My big initial commit to this repo and project.

This commit is contained in:
Brian McGonagill 2022-08-05 16:55:56 -05:00
parent 750811a81f
commit 8636f8cf9b
2433 changed files with 199488 additions and 1042 deletions

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node_modules/meteor-node-stubs/.idea/modules.xml generated vendored Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/node-stubs.iml" filepath="$PROJECT_DIR$/.idea/node-stubs.iml" />
</modules>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<module type="WEB_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/temp" />
<excludeFolder url="file://$MODULE_DIR$/.tmp" />
<excludeFolder url="file://$MODULE_DIR$/tmp" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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v1.1.0 - 2021-07-19
* Updated dependencies to their latest versions
- `assert@2.0.0`
- `buffer@6.0.3`
- `console-browserify@1.2.0`
- `domain-browser@4.19.0`
- `events@3.3.0`
- `readable-stream@3.6.0`
- `stream-browserify@3.0.0`
- `stream-http@3.2.0`
- `string_decoder@1.3.0`
- `timers-browserify@2.0.12`
- `util@0.12.4`
- `vm-browserify@1.1.2`
v1.0.3 - 2021-03-25
* Add elliptic@6.5.4 as a direct dependency to force upgrade due to a security vulnerability. It was not possible to upgrade indirectly as [crypto-browserify]( https://www.npmjs.com/package/crypto-browserify) is not updated.

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The MIT License (MIT)
Copyright (c) 2016 Ben Newman
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# node-stubs
Stub implementations of Node built-in modules, a la Browserify

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require("readable-stream/lib/_stream_duplex.js");

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require("readable-stream/lib/_stream_passthrough.js");

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require("readable-stream/lib/_stream_readable.js");

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require("readable-stream/lib/_stream_transform.js");

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require("readable-stream/lib/_stream_writable.js");

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require("assert/");

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require("buffer/");

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node_modules/meteor-node-stubs/deps/console.js generated vendored Normal file
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require("console-browserify");

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node_modules/meteor-node-stubs/deps/constants.js generated vendored Normal file
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require("constants-browserify");

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node_modules/meteor-node-stubs/deps/crypto.js generated vendored Normal file
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require("../wrappers/crypto.js");

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node_modules/meteor-node-stubs/deps/dgram.js generated vendored Normal file
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node_modules/meteor-node-stubs/deps/domain.js generated vendored Normal file
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require("domain-browser");

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require("events/");

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node_modules/meteor-node-stubs/deps/fs.js generated vendored Normal file
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require("stream-http");

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node_modules/meteor-node-stubs/deps/https.js generated vendored Normal file
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require("https-browserify");

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node_modules/meteor-node-stubs/deps/module.js generated vendored Normal file
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require("../wrappers/module.js");

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node_modules/meteor-node-stubs/deps/net.js generated vendored Normal file
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node_modules/meteor-node-stubs/deps/os.js generated vendored Normal file
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require("os-browserify/browser.js");

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require("path-browserify");

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node_modules/meteor-node-stubs/deps/process.js generated vendored Normal file
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require("process/browser.js");

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node_modules/meteor-node-stubs/deps/punycode.js generated vendored Normal file
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require("punycode/");

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node_modules/meteor-node-stubs/deps/querystring.js generated vendored Normal file
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require("querystring-es3/");

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node_modules/meteor-node-stubs/deps/readline.js generated vendored Normal file
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node_modules/meteor-node-stubs/deps/stream.js generated vendored Normal file
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require("stream-browserify");

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require("string_decoder/");

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node_modules/meteor-node-stubs/deps/sys.js generated vendored Normal file
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require("util/util.js");

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node_modules/meteor-node-stubs/deps/timers.js generated vendored Normal file
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require("timers-browserify");

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node_modules/meteor-node-stubs/deps/tls.js generated vendored Normal file
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node_modules/meteor-node-stubs/deps/tty.js generated vendored Normal file
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require("tty-browserify");

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node_modules/meteor-node-stubs/deps/url.js generated vendored Normal file
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require("url/");

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node_modules/meteor-node-stubs/deps/util.js generated vendored Normal file
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require("util/util.js");

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node_modules/meteor-node-stubs/deps/vm.js generated vendored Normal file
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require("vm-browserify");

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node_modules/meteor-node-stubs/deps/zlib.js generated vendored Normal file
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require("browserify-zlib");

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node_modules/meteor-node-stubs/index.js generated vendored Normal file
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var map = require("./map.json");
var meteorAliases = {};
Object.keys(map).forEach(function (id) {
if (typeof map[id] === "string") {
var aliasParts = module.id.split("/");
aliasParts.pop();
aliasParts.push("node_modules", map[id]);
exports[id] = meteorAliases[id + ".js"] =
aliasParts.join("/");
} else {
exports[id] = map[id];
meteorAliases[id + ".js"] = function(){};
}
});
if (typeof meteorInstall === "function") {
meteorInstall({
// Install the aliases into a node_modules directory one level up from
// the root directory, so that they do not clutter the namespace
// available to apps and packages.
"..": {
node_modules: meteorAliases
}
});
}
// If Buffer is not defined globally, but the "buffer" built-in stub is
// installed and can be imported, use it to define global.Buffer so that
// modules like core-util-is/lib/util.js can refer to Buffer without
// crashing application startup.
if (typeof global.Buffer !== "function") {
try {
// Use (0, require)(...) to avoid registering a dependency on the
// "buffer" stub, in case it is not otherwise bundled.
global.Buffer = (0, require)("buffer").Buffer;
} catch (ok) {
// Failure to import "buffer" is fine as long as the Buffer global
// variable is not used.
}
}

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node_modules/meteor-node-stubs/map.json generated vendored Normal file
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{
"assert": "assert/",
"buffer": "buffer/",
"child_process": null,
"cluster": null,
"console": "console-browserify",
"constants": "constants-browserify",
"crypto": "../wrappers/crypto.js",
"dgram": null,
"dns": null,
"domain": "domain-browser",
"events": "events/",
"fs": null,
"http": "stream-http",
"https": "https-browserify",
"module": "../wrappers/module.js",
"net": null,
"os": "os-browserify/browser.js",
"path": "path-browserify",
"process": "process/browser.js",
"punycode": "punycode/",
"querystring": "querystring-es3/",
"readline": null,
"repl": null,
"stream": "stream-browserify",
"_stream_duplex": "readable-stream/lib/_stream_duplex.js",
"_stream_passthrough": "readable-stream/lib/_stream_passthrough.js",
"_stream_readable": "readable-stream/lib/_stream_readable.js",
"_stream_transform": "readable-stream/lib/_stream_transform.js",
"_stream_writable": "readable-stream/lib/_stream_writable.js",
"string_decoder": "string_decoder/",
"sys": "util/util.js",
"timers": "timers-browserify",
"tls": null,
"tty": "tty-browserify",
"url": "url/",
"util": "util/util.js",
"vm": "vm-browserify",
"zlib": "browserify-zlib"
}

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../miller-rabin/bin/miller-rabin

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node_modules/meteor-node-stubs/node_modules/.bin/sha.js generated vendored Symbolic link
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../sha.js/bin.js

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module.exports = {
'env': {
'browser': false,
'commonjs': true,
'es6': true,
'node': true
},
'extends': 'eslint:recommended',
'rules': {
'indent': [
'error',
2
],
'linebreak-style': [
'error',
'unix'
],
'quotes': [
'error',
'single'
],
'semi': [
'error',
'always'
]
}
};

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MIT License
Copyright (c) 2017 Fedor Indutny
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# ASN1.js
ASN.1 DER Encoder/Decoder and DSL.
## Example
Define model:
```javascript
var asn = require('asn1.js');
var Human = asn.define('Human', function() {
this.seq().obj(
this.key('firstName').octstr(),
this.key('lastName').octstr(),
this.key('age').int(),
this.key('gender').enum({ 0: 'male', 1: 'female' }),
this.key('bio').seqof(Bio)
);
});
var Bio = asn.define('Bio', function() {
this.seq().obj(
this.key('time').gentime(),
this.key('description').octstr()
);
});
```
Encode data:
```javascript
var output = Human.encode({
firstName: 'Thomas',
lastName: 'Anderson',
age: 28,
gender: 'male',
bio: [
{
time: +new Date('31 March 1999'),
description: 'freedom of mind'
}
]
}, 'der');
```
Decode data:
```javascript
var human = Human.decode(output, 'der');
console.log(human);
/*
{ firstName: <Buffer 54 68 6f 6d 61 73>,
lastName: <Buffer 41 6e 64 65 72 73 6f 6e>,
age: 28,
gender: 'male',
bio:
[ { time: 922820400000,
description: <Buffer 66 72 65 65 64 6f 6d 20 6f 66 20 6d 69 6e 64> } ] }
*/
```
### Partial decode
Its possible to parse data without stopping on first error. In order to do it,
you should call:
```javascript
var human = Human.decode(output, 'der', { partial: true });
console.log(human);
/*
{ result: { ... },
errors: [ ... ] }
*/
```
#### LICENSE
This software is licensed under the MIT License.
Copyright Fedor Indutny, 2017.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to permit
persons to whom the Software is furnished to do so, subject to the
following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.

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'use strict';
const asn1 = exports;
asn1.bignum = require('bn.js');
asn1.define = require('./asn1/api').define;
asn1.base = require('./asn1/base');
asn1.constants = require('./asn1/constants');
asn1.decoders = require('./asn1/decoders');
asn1.encoders = require('./asn1/encoders');

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'use strict';
const encoders = require('./encoders');
const decoders = require('./decoders');
const inherits = require('inherits');
const api = exports;
api.define = function define(name, body) {
return new Entity(name, body);
};
function Entity(name, body) {
this.name = name;
this.body = body;
this.decoders = {};
this.encoders = {};
}
Entity.prototype._createNamed = function createNamed(Base) {
const name = this.name;
function Generated(entity) {
this._initNamed(entity, name);
}
inherits(Generated, Base);
Generated.prototype._initNamed = function _initNamed(entity, name) {
Base.call(this, entity, name);
};
return new Generated(this);
};
Entity.prototype._getDecoder = function _getDecoder(enc) {
enc = enc || 'der';
// Lazily create decoder
if (!this.decoders.hasOwnProperty(enc))
this.decoders[enc] = this._createNamed(decoders[enc]);
return this.decoders[enc];
};
Entity.prototype.decode = function decode(data, enc, options) {
return this._getDecoder(enc).decode(data, options);
};
Entity.prototype._getEncoder = function _getEncoder(enc) {
enc = enc || 'der';
// Lazily create encoder
if (!this.encoders.hasOwnProperty(enc))
this.encoders[enc] = this._createNamed(encoders[enc]);
return this.encoders[enc];
};
Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) {
return this._getEncoder(enc).encode(data, reporter);
};

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'use strict';
const inherits = require('inherits');
const Reporter = require('../base/reporter').Reporter;
const Buffer = require('safer-buffer').Buffer;
function DecoderBuffer(base, options) {
Reporter.call(this, options);
if (!Buffer.isBuffer(base)) {
this.error('Input not Buffer');
return;
}
this.base = base;
this.offset = 0;
this.length = base.length;
}
inherits(DecoderBuffer, Reporter);
exports.DecoderBuffer = DecoderBuffer;
DecoderBuffer.isDecoderBuffer = function isDecoderBuffer(data) {
if (data instanceof DecoderBuffer) {
return true;
}
// Or accept compatible API
const isCompatible = typeof data === 'object' &&
Buffer.isBuffer(data.base) &&
data.constructor.name === 'DecoderBuffer' &&
typeof data.offset === 'number' &&
typeof data.length === 'number' &&
typeof data.save === 'function' &&
typeof data.restore === 'function' &&
typeof data.isEmpty === 'function' &&
typeof data.readUInt8 === 'function' &&
typeof data.skip === 'function' &&
typeof data.raw === 'function';
return isCompatible;
};
DecoderBuffer.prototype.save = function save() {
return { offset: this.offset, reporter: Reporter.prototype.save.call(this) };
};
DecoderBuffer.prototype.restore = function restore(save) {
// Return skipped data
const res = new DecoderBuffer(this.base);
res.offset = save.offset;
res.length = this.offset;
this.offset = save.offset;
Reporter.prototype.restore.call(this, save.reporter);
return res;
};
DecoderBuffer.prototype.isEmpty = function isEmpty() {
return this.offset === this.length;
};
DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) {
if (this.offset + 1 <= this.length)
return this.base.readUInt8(this.offset++, true);
else
return this.error(fail || 'DecoderBuffer overrun');
};
DecoderBuffer.prototype.skip = function skip(bytes, fail) {
if (!(this.offset + bytes <= this.length))
return this.error(fail || 'DecoderBuffer overrun');
const res = new DecoderBuffer(this.base);
// Share reporter state
res._reporterState = this._reporterState;
res.offset = this.offset;
res.length = this.offset + bytes;
this.offset += bytes;
return res;
};
DecoderBuffer.prototype.raw = function raw(save) {
return this.base.slice(save ? save.offset : this.offset, this.length);
};
function EncoderBuffer(value, reporter) {
if (Array.isArray(value)) {
this.length = 0;
this.value = value.map(function(item) {
if (!EncoderBuffer.isEncoderBuffer(item))
item = new EncoderBuffer(item, reporter);
this.length += item.length;
return item;
}, this);
} else if (typeof value === 'number') {
if (!(0 <= value && value <= 0xff))
return reporter.error('non-byte EncoderBuffer value');
this.value = value;
this.length = 1;
} else if (typeof value === 'string') {
this.value = value;
this.length = Buffer.byteLength(value);
} else if (Buffer.isBuffer(value)) {
this.value = value;
this.length = value.length;
} else {
return reporter.error('Unsupported type: ' + typeof value);
}
}
exports.EncoderBuffer = EncoderBuffer;
EncoderBuffer.isEncoderBuffer = function isEncoderBuffer(data) {
if (data instanceof EncoderBuffer) {
return true;
}
// Or accept compatible API
const isCompatible = typeof data === 'object' &&
data.constructor.name === 'EncoderBuffer' &&
typeof data.length === 'number' &&
typeof data.join === 'function';
return isCompatible;
};
EncoderBuffer.prototype.join = function join(out, offset) {
if (!out)
out = Buffer.alloc(this.length);
if (!offset)
offset = 0;
if (this.length === 0)
return out;
if (Array.isArray(this.value)) {
this.value.forEach(function(item) {
item.join(out, offset);
offset += item.length;
});
} else {
if (typeof this.value === 'number')
out[offset] = this.value;
else if (typeof this.value === 'string')
out.write(this.value, offset);
else if (Buffer.isBuffer(this.value))
this.value.copy(out, offset);
offset += this.length;
}
return out;
};

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'use strict';
const base = exports;
base.Reporter = require('./reporter').Reporter;
base.DecoderBuffer = require('./buffer').DecoderBuffer;
base.EncoderBuffer = require('./buffer').EncoderBuffer;
base.Node = require('./node');

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'use strict';
const Reporter = require('../base/reporter').Reporter;
const EncoderBuffer = require('../base/buffer').EncoderBuffer;
const DecoderBuffer = require('../base/buffer').DecoderBuffer;
const assert = require('minimalistic-assert');
// Supported tags
const tags = [
'seq', 'seqof', 'set', 'setof', 'objid', 'bool',
'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc',
'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str',
'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr'
];
// Public methods list
const methods = [
'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice',
'any', 'contains'
].concat(tags);
// Overrided methods list
const overrided = [
'_peekTag', '_decodeTag', '_use',
'_decodeStr', '_decodeObjid', '_decodeTime',
'_decodeNull', '_decodeInt', '_decodeBool', '_decodeList',
'_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime',
'_encodeNull', '_encodeInt', '_encodeBool'
];
function Node(enc, parent, name) {
const state = {};
this._baseState = state;
state.name = name;
state.enc = enc;
state.parent = parent || null;
state.children = null;
// State
state.tag = null;
state.args = null;
state.reverseArgs = null;
state.choice = null;
state.optional = false;
state.any = false;
state.obj = false;
state.use = null;
state.useDecoder = null;
state.key = null;
state['default'] = null;
state.explicit = null;
state.implicit = null;
state.contains = null;
// Should create new instance on each method
if (!state.parent) {
state.children = [];
this._wrap();
}
}
module.exports = Node;
const stateProps = [
'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice',
'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit',
'implicit', 'contains'
];
Node.prototype.clone = function clone() {
const state = this._baseState;
const cstate = {};
stateProps.forEach(function(prop) {
cstate[prop] = state[prop];
});
const res = new this.constructor(cstate.parent);
res._baseState = cstate;
return res;
};
Node.prototype._wrap = function wrap() {
const state = this._baseState;
methods.forEach(function(method) {
this[method] = function _wrappedMethod() {
const clone = new this.constructor(this);
state.children.push(clone);
return clone[method].apply(clone, arguments);
};
}, this);
};
Node.prototype._init = function init(body) {
const state = this._baseState;
assert(state.parent === null);
body.call(this);
// Filter children
state.children = state.children.filter(function(child) {
return child._baseState.parent === this;
}, this);
assert.equal(state.children.length, 1, 'Root node can have only one child');
};
Node.prototype._useArgs = function useArgs(args) {
const state = this._baseState;
// Filter children and args
const children = args.filter(function(arg) {
return arg instanceof this.constructor;
}, this);
args = args.filter(function(arg) {
return !(arg instanceof this.constructor);
}, this);
if (children.length !== 0) {
assert(state.children === null);
state.children = children;
// Replace parent to maintain backward link
children.forEach(function(child) {
child._baseState.parent = this;
}, this);
}
if (args.length !== 0) {
assert(state.args === null);
state.args = args;
state.reverseArgs = args.map(function(arg) {
if (typeof arg !== 'object' || arg.constructor !== Object)
return arg;
const res = {};
Object.keys(arg).forEach(function(key) {
if (key == (key | 0))
key |= 0;
const value = arg[key];
res[value] = key;
});
return res;
});
}
};
//
// Overrided methods
//
overrided.forEach(function(method) {
Node.prototype[method] = function _overrided() {
const state = this._baseState;
throw new Error(method + ' not implemented for encoding: ' + state.enc);
};
});
//
// Public methods
//
tags.forEach(function(tag) {
Node.prototype[tag] = function _tagMethod() {
const state = this._baseState;
const args = Array.prototype.slice.call(arguments);
assert(state.tag === null);
state.tag = tag;
this._useArgs(args);
return this;
};
});
Node.prototype.use = function use(item) {
assert(item);
const state = this._baseState;
assert(state.use === null);
state.use = item;
return this;
};
Node.prototype.optional = function optional() {
const state = this._baseState;
state.optional = true;
return this;
};
Node.prototype.def = function def(val) {
const state = this._baseState;
assert(state['default'] === null);
state['default'] = val;
state.optional = true;
return this;
};
Node.prototype.explicit = function explicit(num) {
const state = this._baseState;
assert(state.explicit === null && state.implicit === null);
state.explicit = num;
return this;
};
Node.prototype.implicit = function implicit(num) {
const state = this._baseState;
assert(state.explicit === null && state.implicit === null);
state.implicit = num;
return this;
};
Node.prototype.obj = function obj() {
const state = this._baseState;
const args = Array.prototype.slice.call(arguments);
state.obj = true;
if (args.length !== 0)
this._useArgs(args);
return this;
};
Node.prototype.key = function key(newKey) {
const state = this._baseState;
assert(state.key === null);
state.key = newKey;
return this;
};
Node.prototype.any = function any() {
const state = this._baseState;
state.any = true;
return this;
};
Node.prototype.choice = function choice(obj) {
const state = this._baseState;
assert(state.choice === null);
state.choice = obj;
this._useArgs(Object.keys(obj).map(function(key) {
return obj[key];
}));
return this;
};
Node.prototype.contains = function contains(item) {
const state = this._baseState;
assert(state.use === null);
state.contains = item;
return this;
};
//
// Decoding
//
Node.prototype._decode = function decode(input, options) {
const state = this._baseState;
// Decode root node
if (state.parent === null)
return input.wrapResult(state.children[0]._decode(input, options));
let result = state['default'];
let present = true;
let prevKey = null;
if (state.key !== null)
prevKey = input.enterKey(state.key);
// Check if tag is there
if (state.optional) {
let tag = null;
if (state.explicit !== null)
tag = state.explicit;
else if (state.implicit !== null)
tag = state.implicit;
else if (state.tag !== null)
tag = state.tag;
if (tag === null && !state.any) {
// Trial and Error
const save = input.save();
try {
if (state.choice === null)
this._decodeGeneric(state.tag, input, options);
else
this._decodeChoice(input, options);
present = true;
} catch (e) {
present = false;
}
input.restore(save);
} else {
present = this._peekTag(input, tag, state.any);
if (input.isError(present))
return present;
}
}
// Push object on stack
let prevObj;
if (state.obj && present)
prevObj = input.enterObject();
if (present) {
// Unwrap explicit values
if (state.explicit !== null) {
const explicit = this._decodeTag(input, state.explicit);
if (input.isError(explicit))
return explicit;
input = explicit;
}
const start = input.offset;
// Unwrap implicit and normal values
if (state.use === null && state.choice === null) {
let save;
if (state.any)
save = input.save();
const body = this._decodeTag(
input,
state.implicit !== null ? state.implicit : state.tag,
state.any
);
if (input.isError(body))
return body;
if (state.any)
result = input.raw(save);
else
input = body;
}
if (options && options.track && state.tag !== null)
options.track(input.path(), start, input.length, 'tagged');
if (options && options.track && state.tag !== null)
options.track(input.path(), input.offset, input.length, 'content');
// Select proper method for tag
if (state.any) {
// no-op
} else if (state.choice === null) {
result = this._decodeGeneric(state.tag, input, options);
} else {
result = this._decodeChoice(input, options);
}
if (input.isError(result))
return result;
// Decode children
if (!state.any && state.choice === null && state.children !== null) {
state.children.forEach(function decodeChildren(child) {
// NOTE: We are ignoring errors here, to let parser continue with other
// parts of encoded data
child._decode(input, options);
});
}
// Decode contained/encoded by schema, only in bit or octet strings
if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) {
const data = new DecoderBuffer(result);
result = this._getUse(state.contains, input._reporterState.obj)
._decode(data, options);
}
}
// Pop object
if (state.obj && present)
result = input.leaveObject(prevObj);
// Set key
if (state.key !== null && (result !== null || present === true))
input.leaveKey(prevKey, state.key, result);
else if (prevKey !== null)
input.exitKey(prevKey);
return result;
};
Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) {
const state = this._baseState;
if (tag === 'seq' || tag === 'set')
return null;
if (tag === 'seqof' || tag === 'setof')
return this._decodeList(input, tag, state.args[0], options);
else if (/str$/.test(tag))
return this._decodeStr(input, tag, options);
else if (tag === 'objid' && state.args)
return this._decodeObjid(input, state.args[0], state.args[1], options);
else if (tag === 'objid')
return this._decodeObjid(input, null, null, options);
else if (tag === 'gentime' || tag === 'utctime')
return this._decodeTime(input, tag, options);
else if (tag === 'null_')
return this._decodeNull(input, options);
else if (tag === 'bool')
return this._decodeBool(input, options);
else if (tag === 'objDesc')
return this._decodeStr(input, tag, options);
else if (tag === 'int' || tag === 'enum')
return this._decodeInt(input, state.args && state.args[0], options);
if (state.use !== null) {
return this._getUse(state.use, input._reporterState.obj)
._decode(input, options);
} else {
return input.error('unknown tag: ' + tag);
}
};
Node.prototype._getUse = function _getUse(entity, obj) {
const state = this._baseState;
// Create altered use decoder if implicit is set
state.useDecoder = this._use(entity, obj);
assert(state.useDecoder._baseState.parent === null);
state.useDecoder = state.useDecoder._baseState.children[0];
if (state.implicit !== state.useDecoder._baseState.implicit) {
state.useDecoder = state.useDecoder.clone();
state.useDecoder._baseState.implicit = state.implicit;
}
return state.useDecoder;
};
Node.prototype._decodeChoice = function decodeChoice(input, options) {
const state = this._baseState;
let result = null;
let match = false;
Object.keys(state.choice).some(function(key) {
const save = input.save();
const node = state.choice[key];
try {
const value = node._decode(input, options);
if (input.isError(value))
return false;
result = { type: key, value: value };
match = true;
} catch (e) {
input.restore(save);
return false;
}
return true;
}, this);
if (!match)
return input.error('Choice not matched');
return result;
};
//
// Encoding
//
Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) {
return new EncoderBuffer(data, this.reporter);
};
Node.prototype._encode = function encode(data, reporter, parent) {
const state = this._baseState;
if (state['default'] !== null && state['default'] === data)
return;
const result = this._encodeValue(data, reporter, parent);
if (result === undefined)
return;
if (this._skipDefault(result, reporter, parent))
return;
return result;
};
Node.prototype._encodeValue = function encode(data, reporter, parent) {
const state = this._baseState;
// Decode root node
if (state.parent === null)
return state.children[0]._encode(data, reporter || new Reporter());
let result = null;
// Set reporter to share it with a child class
this.reporter = reporter;
// Check if data is there
if (state.optional && data === undefined) {
if (state['default'] !== null)
data = state['default'];
else
return;
}
// Encode children first
let content = null;
let primitive = false;
if (state.any) {
// Anything that was given is translated to buffer
result = this._createEncoderBuffer(data);
} else if (state.choice) {
result = this._encodeChoice(data, reporter);
} else if (state.contains) {
content = this._getUse(state.contains, parent)._encode(data, reporter);
primitive = true;
} else if (state.children) {
content = state.children.map(function(child) {
if (child._baseState.tag === 'null_')
return child._encode(null, reporter, data);
if (child._baseState.key === null)
return reporter.error('Child should have a key');
const prevKey = reporter.enterKey(child._baseState.key);
if (typeof data !== 'object')
return reporter.error('Child expected, but input is not object');
const res = child._encode(data[child._baseState.key], reporter, data);
reporter.leaveKey(prevKey);
return res;
}, this).filter(function(child) {
return child;
});
content = this._createEncoderBuffer(content);
} else {
if (state.tag === 'seqof' || state.tag === 'setof') {
// TODO(indutny): this should be thrown on DSL level
if (!(state.args && state.args.length === 1))
return reporter.error('Too many args for : ' + state.tag);
if (!Array.isArray(data))
return reporter.error('seqof/setof, but data is not Array');
const child = this.clone();
child._baseState.implicit = null;
content = this._createEncoderBuffer(data.map(function(item) {
const state = this._baseState;
return this._getUse(state.args[0], data)._encode(item, reporter);
}, child));
} else if (state.use !== null) {
result = this._getUse(state.use, parent)._encode(data, reporter);
} else {
content = this._encodePrimitive(state.tag, data);
primitive = true;
}
}
// Encode data itself
if (!state.any && state.choice === null) {
const tag = state.implicit !== null ? state.implicit : state.tag;
const cls = state.implicit === null ? 'universal' : 'context';
if (tag === null) {
if (state.use === null)
reporter.error('Tag could be omitted only for .use()');
} else {
if (state.use === null)
result = this._encodeComposite(tag, primitive, cls, content);
}
}
// Wrap in explicit
if (state.explicit !== null)
result = this._encodeComposite(state.explicit, false, 'context', result);
return result;
};
Node.prototype._encodeChoice = function encodeChoice(data, reporter) {
const state = this._baseState;
const node = state.choice[data.type];
if (!node) {
assert(
false,
data.type + ' not found in ' +
JSON.stringify(Object.keys(state.choice)));
}
return node._encode(data.value, reporter);
};
Node.prototype._encodePrimitive = function encodePrimitive(tag, data) {
const state = this._baseState;
if (/str$/.test(tag))
return this._encodeStr(data, tag);
else if (tag === 'objid' && state.args)
return this._encodeObjid(data, state.reverseArgs[0], state.args[1]);
else if (tag === 'objid')
return this._encodeObjid(data, null, null);
else if (tag === 'gentime' || tag === 'utctime')
return this._encodeTime(data, tag);
else if (tag === 'null_')
return this._encodeNull();
else if (tag === 'int' || tag === 'enum')
return this._encodeInt(data, state.args && state.reverseArgs[0]);
else if (tag === 'bool')
return this._encodeBool(data);
else if (tag === 'objDesc')
return this._encodeStr(data, tag);
else
throw new Error('Unsupported tag: ' + tag);
};
Node.prototype._isNumstr = function isNumstr(str) {
return /^[0-9 ]*$/.test(str);
};
Node.prototype._isPrintstr = function isPrintstr(str) {
return /^[A-Za-z0-9 '()+,-./:=?]*$/.test(str);
};

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@ -0,0 +1,123 @@
'use strict';
const inherits = require('inherits');
function Reporter(options) {
this._reporterState = {
obj: null,
path: [],
options: options || {},
errors: []
};
}
exports.Reporter = Reporter;
Reporter.prototype.isError = function isError(obj) {
return obj instanceof ReporterError;
};
Reporter.prototype.save = function save() {
const state = this._reporterState;
return { obj: state.obj, pathLen: state.path.length };
};
Reporter.prototype.restore = function restore(data) {
const state = this._reporterState;
state.obj = data.obj;
state.path = state.path.slice(0, data.pathLen);
};
Reporter.prototype.enterKey = function enterKey(key) {
return this._reporterState.path.push(key);
};
Reporter.prototype.exitKey = function exitKey(index) {
const state = this._reporterState;
state.path = state.path.slice(0, index - 1);
};
Reporter.prototype.leaveKey = function leaveKey(index, key, value) {
const state = this._reporterState;
this.exitKey(index);
if (state.obj !== null)
state.obj[key] = value;
};
Reporter.prototype.path = function path() {
return this._reporterState.path.join('/');
};
Reporter.prototype.enterObject = function enterObject() {
const state = this._reporterState;
const prev = state.obj;
state.obj = {};
return prev;
};
Reporter.prototype.leaveObject = function leaveObject(prev) {
const state = this._reporterState;
const now = state.obj;
state.obj = prev;
return now;
};
Reporter.prototype.error = function error(msg) {
let err;
const state = this._reporterState;
const inherited = msg instanceof ReporterError;
if (inherited) {
err = msg;
} else {
err = new ReporterError(state.path.map(function(elem) {
return '[' + JSON.stringify(elem) + ']';
}).join(''), msg.message || msg, msg.stack);
}
if (!state.options.partial)
throw err;
if (!inherited)
state.errors.push(err);
return err;
};
Reporter.prototype.wrapResult = function wrapResult(result) {
const state = this._reporterState;
if (!state.options.partial)
return result;
return {
result: this.isError(result) ? null : result,
errors: state.errors
};
};
function ReporterError(path, msg) {
this.path = path;
this.rethrow(msg);
}
inherits(ReporterError, Error);
ReporterError.prototype.rethrow = function rethrow(msg) {
this.message = msg + ' at: ' + (this.path || '(shallow)');
if (Error.captureStackTrace)
Error.captureStackTrace(this, ReporterError);
if (!this.stack) {
try {
// IE only adds stack when thrown
throw new Error(this.message);
} catch (e) {
this.stack = e.stack;
}
}
return this;
};

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@ -0,0 +1,58 @@
'use strict';
// Helper
function reverse(map) {
const res = {};
Object.keys(map).forEach(function(key) {
// Convert key to integer if it is stringified
if ((key | 0) == key)
key = key | 0;
const value = map[key];
res[value] = key;
});
return res;
}
exports.tagClass = {
0: 'universal',
1: 'application',
2: 'context',
3: 'private'
};
exports.tagClassByName = reverse(exports.tagClass);
exports.tag = {
0x00: 'end',
0x01: 'bool',
0x02: 'int',
0x03: 'bitstr',
0x04: 'octstr',
0x05: 'null_',
0x06: 'objid',
0x07: 'objDesc',
0x08: 'external',
0x09: 'real',
0x0a: 'enum',
0x0b: 'embed',
0x0c: 'utf8str',
0x0d: 'relativeOid',
0x10: 'seq',
0x11: 'set',
0x12: 'numstr',
0x13: 'printstr',
0x14: 't61str',
0x15: 'videostr',
0x16: 'ia5str',
0x17: 'utctime',
0x18: 'gentime',
0x19: 'graphstr',
0x1a: 'iso646str',
0x1b: 'genstr',
0x1c: 'unistr',
0x1d: 'charstr',
0x1e: 'bmpstr'
};
exports.tagByName = reverse(exports.tag);

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@ -0,0 +1,21 @@
'use strict';
const constants = exports;
// Helper
constants._reverse = function reverse(map) {
const res = {};
Object.keys(map).forEach(function(key) {
// Convert key to integer if it is stringified
if ((key | 0) == key)
key = key | 0;
const value = map[key];
res[value] = key;
});
return res;
};
constants.der = require('./der');

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@ -0,0 +1,335 @@
'use strict';
const inherits = require('inherits');
const bignum = require('bn.js');
const DecoderBuffer = require('../base/buffer').DecoderBuffer;
const Node = require('../base/node');
// Import DER constants
const der = require('../constants/der');
function DERDecoder(entity) {
this.enc = 'der';
this.name = entity.name;
this.entity = entity;
// Construct base tree
this.tree = new DERNode();
this.tree._init(entity.body);
}
module.exports = DERDecoder;
DERDecoder.prototype.decode = function decode(data, options) {
if (!DecoderBuffer.isDecoderBuffer(data)) {
data = new DecoderBuffer(data, options);
}
return this.tree._decode(data, options);
};
// Tree methods
function DERNode(parent) {
Node.call(this, 'der', parent);
}
inherits(DERNode, Node);
DERNode.prototype._peekTag = function peekTag(buffer, tag, any) {
if (buffer.isEmpty())
return false;
const state = buffer.save();
const decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"');
if (buffer.isError(decodedTag))
return decodedTag;
buffer.restore(state);
return decodedTag.tag === tag || decodedTag.tagStr === tag ||
(decodedTag.tagStr + 'of') === tag || any;
};
DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) {
const decodedTag = derDecodeTag(buffer,
'Failed to decode tag of "' + tag + '"');
if (buffer.isError(decodedTag))
return decodedTag;
let len = derDecodeLen(buffer,
decodedTag.primitive,
'Failed to get length of "' + tag + '"');
// Failure
if (buffer.isError(len))
return len;
if (!any &&
decodedTag.tag !== tag &&
decodedTag.tagStr !== tag &&
decodedTag.tagStr + 'of' !== tag) {
return buffer.error('Failed to match tag: "' + tag + '"');
}
if (decodedTag.primitive || len !== null)
return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
// Indefinite length... find END tag
const state = buffer.save();
const res = this._skipUntilEnd(
buffer,
'Failed to skip indefinite length body: "' + this.tag + '"');
if (buffer.isError(res))
return res;
len = buffer.offset - state.offset;
buffer.restore(state);
return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
};
DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) {
for (;;) {
const tag = derDecodeTag(buffer, fail);
if (buffer.isError(tag))
return tag;
const len = derDecodeLen(buffer, tag.primitive, fail);
if (buffer.isError(len))
return len;
let res;
if (tag.primitive || len !== null)
res = buffer.skip(len);
else
res = this._skipUntilEnd(buffer, fail);
// Failure
if (buffer.isError(res))
return res;
if (tag.tagStr === 'end')
break;
}
};
DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder,
options) {
const result = [];
while (!buffer.isEmpty()) {
const possibleEnd = this._peekTag(buffer, 'end');
if (buffer.isError(possibleEnd))
return possibleEnd;
const res = decoder.decode(buffer, 'der', options);
if (buffer.isError(res) && possibleEnd)
break;
result.push(res);
}
return result;
};
DERNode.prototype._decodeStr = function decodeStr(buffer, tag) {
if (tag === 'bitstr') {
const unused = buffer.readUInt8();
if (buffer.isError(unused))
return unused;
return { unused: unused, data: buffer.raw() };
} else if (tag === 'bmpstr') {
const raw = buffer.raw();
if (raw.length % 2 === 1)
return buffer.error('Decoding of string type: bmpstr length mismatch');
let str = '';
for (let i = 0; i < raw.length / 2; i++) {
str += String.fromCharCode(raw.readUInt16BE(i * 2));
}
return str;
} else if (tag === 'numstr') {
const numstr = buffer.raw().toString('ascii');
if (!this._isNumstr(numstr)) {
return buffer.error('Decoding of string type: ' +
'numstr unsupported characters');
}
return numstr;
} else if (tag === 'octstr') {
return buffer.raw();
} else if (tag === 'objDesc') {
return buffer.raw();
} else if (tag === 'printstr') {
const printstr = buffer.raw().toString('ascii');
if (!this._isPrintstr(printstr)) {
return buffer.error('Decoding of string type: ' +
'printstr unsupported characters');
}
return printstr;
} else if (/str$/.test(tag)) {
return buffer.raw().toString();
} else {
return buffer.error('Decoding of string type: ' + tag + ' unsupported');
}
};
DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) {
let result;
const identifiers = [];
let ident = 0;
let subident = 0;
while (!buffer.isEmpty()) {
subident = buffer.readUInt8();
ident <<= 7;
ident |= subident & 0x7f;
if ((subident & 0x80) === 0) {
identifiers.push(ident);
ident = 0;
}
}
if (subident & 0x80)
identifiers.push(ident);
const first = (identifiers[0] / 40) | 0;
const second = identifiers[0] % 40;
if (relative)
result = identifiers;
else
result = [first, second].concat(identifiers.slice(1));
if (values) {
let tmp = values[result.join(' ')];
if (tmp === undefined)
tmp = values[result.join('.')];
if (tmp !== undefined)
result = tmp;
}
return result;
};
DERNode.prototype._decodeTime = function decodeTime(buffer, tag) {
const str = buffer.raw().toString();
let year;
let mon;
let day;
let hour;
let min;
let sec;
if (tag === 'gentime') {
year = str.slice(0, 4) | 0;
mon = str.slice(4, 6) | 0;
day = str.slice(6, 8) | 0;
hour = str.slice(8, 10) | 0;
min = str.slice(10, 12) | 0;
sec = str.slice(12, 14) | 0;
} else if (tag === 'utctime') {
year = str.slice(0, 2) | 0;
mon = str.slice(2, 4) | 0;
day = str.slice(4, 6) | 0;
hour = str.slice(6, 8) | 0;
min = str.slice(8, 10) | 0;
sec = str.slice(10, 12) | 0;
if (year < 70)
year = 2000 + year;
else
year = 1900 + year;
} else {
return buffer.error('Decoding ' + tag + ' time is not supported yet');
}
return Date.UTC(year, mon - 1, day, hour, min, sec, 0);
};
DERNode.prototype._decodeNull = function decodeNull() {
return null;
};
DERNode.prototype._decodeBool = function decodeBool(buffer) {
const res = buffer.readUInt8();
if (buffer.isError(res))
return res;
else
return res !== 0;
};
DERNode.prototype._decodeInt = function decodeInt(buffer, values) {
// Bigint, return as it is (assume big endian)
const raw = buffer.raw();
let res = new bignum(raw);
if (values)
res = values[res.toString(10)] || res;
return res;
};
DERNode.prototype._use = function use(entity, obj) {
if (typeof entity === 'function')
entity = entity(obj);
return entity._getDecoder('der').tree;
};
// Utility methods
function derDecodeTag(buf, fail) {
let tag = buf.readUInt8(fail);
if (buf.isError(tag))
return tag;
const cls = der.tagClass[tag >> 6];
const primitive = (tag & 0x20) === 0;
// Multi-octet tag - load
if ((tag & 0x1f) === 0x1f) {
let oct = tag;
tag = 0;
while ((oct & 0x80) === 0x80) {
oct = buf.readUInt8(fail);
if (buf.isError(oct))
return oct;
tag <<= 7;
tag |= oct & 0x7f;
}
} else {
tag &= 0x1f;
}
const tagStr = der.tag[tag];
return {
cls: cls,
primitive: primitive,
tag: tag,
tagStr: tagStr
};
}
function derDecodeLen(buf, primitive, fail) {
let len = buf.readUInt8(fail);
if (buf.isError(len))
return len;
// Indefinite form
if (!primitive && len === 0x80)
return null;
// Definite form
if ((len & 0x80) === 0) {
// Short form
return len;
}
// Long form
const num = len & 0x7f;
if (num > 4)
return buf.error('length octect is too long');
len = 0;
for (let i = 0; i < num; i++) {
len <<= 8;
const j = buf.readUInt8(fail);
if (buf.isError(j))
return j;
len |= j;
}
return len;
}

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@ -0,0 +1,6 @@
'use strict';
const decoders = exports;
decoders.der = require('./der');
decoders.pem = require('./pem');

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'use strict';
const inherits = require('inherits');
const Buffer = require('safer-buffer').Buffer;
const DERDecoder = require('./der');
function PEMDecoder(entity) {
DERDecoder.call(this, entity);
this.enc = 'pem';
}
inherits(PEMDecoder, DERDecoder);
module.exports = PEMDecoder;
PEMDecoder.prototype.decode = function decode(data, options) {
const lines = data.toString().split(/[\r\n]+/g);
const label = options.label.toUpperCase();
const re = /^-----(BEGIN|END) ([^-]+)-----$/;
let start = -1;
let end = -1;
for (let i = 0; i < lines.length; i++) {
const match = lines[i].match(re);
if (match === null)
continue;
if (match[2] !== label)
continue;
if (start === -1) {
if (match[1] !== 'BEGIN')
break;
start = i;
} else {
if (match[1] !== 'END')
break;
end = i;
break;
}
}
if (start === -1 || end === -1)
throw new Error('PEM section not found for: ' + label);
const base64 = lines.slice(start + 1, end).join('');
// Remove excessive symbols
base64.replace(/[^a-z0-9+/=]+/gi, '');
const input = Buffer.from(base64, 'base64');
return DERDecoder.prototype.decode.call(this, input, options);
};

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@ -0,0 +1,295 @@
'use strict';
const inherits = require('inherits');
const Buffer = require('safer-buffer').Buffer;
const Node = require('../base/node');
// Import DER constants
const der = require('../constants/der');
function DEREncoder(entity) {
this.enc = 'der';
this.name = entity.name;
this.entity = entity;
// Construct base tree
this.tree = new DERNode();
this.tree._init(entity.body);
}
module.exports = DEREncoder;
DEREncoder.prototype.encode = function encode(data, reporter) {
return this.tree._encode(data, reporter).join();
};
// Tree methods
function DERNode(parent) {
Node.call(this, 'der', parent);
}
inherits(DERNode, Node);
DERNode.prototype._encodeComposite = function encodeComposite(tag,
primitive,
cls,
content) {
const encodedTag = encodeTag(tag, primitive, cls, this.reporter);
// Short form
if (content.length < 0x80) {
const header = Buffer.alloc(2);
header[0] = encodedTag;
header[1] = content.length;
return this._createEncoderBuffer([ header, content ]);
}
// Long form
// Count octets required to store length
let lenOctets = 1;
for (let i = content.length; i >= 0x100; i >>= 8)
lenOctets++;
const header = Buffer.alloc(1 + 1 + lenOctets);
header[0] = encodedTag;
header[1] = 0x80 | lenOctets;
for (let i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8)
header[i] = j & 0xff;
return this._createEncoderBuffer([ header, content ]);
};
DERNode.prototype._encodeStr = function encodeStr(str, tag) {
if (tag === 'bitstr') {
return this._createEncoderBuffer([ str.unused | 0, str.data ]);
} else if (tag === 'bmpstr') {
const buf = Buffer.alloc(str.length * 2);
for (let i = 0; i < str.length; i++) {
buf.writeUInt16BE(str.charCodeAt(i), i * 2);
}
return this._createEncoderBuffer(buf);
} else if (tag === 'numstr') {
if (!this._isNumstr(str)) {
return this.reporter.error('Encoding of string type: numstr supports ' +
'only digits and space');
}
return this._createEncoderBuffer(str);
} else if (tag === 'printstr') {
if (!this._isPrintstr(str)) {
return this.reporter.error('Encoding of string type: printstr supports ' +
'only latin upper and lower case letters, ' +
'digits, space, apostrophe, left and rigth ' +
'parenthesis, plus sign, comma, hyphen, ' +
'dot, slash, colon, equal sign, ' +
'question mark');
}
return this._createEncoderBuffer(str);
} else if (/str$/.test(tag)) {
return this._createEncoderBuffer(str);
} else if (tag === 'objDesc') {
return this._createEncoderBuffer(str);
} else {
return this.reporter.error('Encoding of string type: ' + tag +
' unsupported');
}
};
DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) {
if (typeof id === 'string') {
if (!values)
return this.reporter.error('string objid given, but no values map found');
if (!values.hasOwnProperty(id))
return this.reporter.error('objid not found in values map');
id = values[id].split(/[\s.]+/g);
for (let i = 0; i < id.length; i++)
id[i] |= 0;
} else if (Array.isArray(id)) {
id = id.slice();
for (let i = 0; i < id.length; i++)
id[i] |= 0;
}
if (!Array.isArray(id)) {
return this.reporter.error('objid() should be either array or string, ' +
'got: ' + JSON.stringify(id));
}
if (!relative) {
if (id[1] >= 40)
return this.reporter.error('Second objid identifier OOB');
id.splice(0, 2, id[0] * 40 + id[1]);
}
// Count number of octets
let size = 0;
for (let i = 0; i < id.length; i++) {
let ident = id[i];
for (size++; ident >= 0x80; ident >>= 7)
size++;
}
const objid = Buffer.alloc(size);
let offset = objid.length - 1;
for (let i = id.length - 1; i >= 0; i--) {
let ident = id[i];
objid[offset--] = ident & 0x7f;
while ((ident >>= 7) > 0)
objid[offset--] = 0x80 | (ident & 0x7f);
}
return this._createEncoderBuffer(objid);
};
function two(num) {
if (num < 10)
return '0' + num;
else
return num;
}
DERNode.prototype._encodeTime = function encodeTime(time, tag) {
let str;
const date = new Date(time);
if (tag === 'gentime') {
str = [
two(date.getUTCFullYear()),
two(date.getUTCMonth() + 1),
two(date.getUTCDate()),
two(date.getUTCHours()),
two(date.getUTCMinutes()),
two(date.getUTCSeconds()),
'Z'
].join('');
} else if (tag === 'utctime') {
str = [
two(date.getUTCFullYear() % 100),
two(date.getUTCMonth() + 1),
two(date.getUTCDate()),
two(date.getUTCHours()),
two(date.getUTCMinutes()),
two(date.getUTCSeconds()),
'Z'
].join('');
} else {
this.reporter.error('Encoding ' + tag + ' time is not supported yet');
}
return this._encodeStr(str, 'octstr');
};
DERNode.prototype._encodeNull = function encodeNull() {
return this._createEncoderBuffer('');
};
DERNode.prototype._encodeInt = function encodeInt(num, values) {
if (typeof num === 'string') {
if (!values)
return this.reporter.error('String int or enum given, but no values map');
if (!values.hasOwnProperty(num)) {
return this.reporter.error('Values map doesn\'t contain: ' +
JSON.stringify(num));
}
num = values[num];
}
// Bignum, assume big endian
if (typeof num !== 'number' && !Buffer.isBuffer(num)) {
const numArray = num.toArray();
if (!num.sign && numArray[0] & 0x80) {
numArray.unshift(0);
}
num = Buffer.from(numArray);
}
if (Buffer.isBuffer(num)) {
let size = num.length;
if (num.length === 0)
size++;
const out = Buffer.alloc(size);
num.copy(out);
if (num.length === 0)
out[0] = 0;
return this._createEncoderBuffer(out);
}
if (num < 0x80)
return this._createEncoderBuffer(num);
if (num < 0x100)
return this._createEncoderBuffer([0, num]);
let size = 1;
for (let i = num; i >= 0x100; i >>= 8)
size++;
const out = new Array(size);
for (let i = out.length - 1; i >= 0; i--) {
out[i] = num & 0xff;
num >>= 8;
}
if(out[0] & 0x80) {
out.unshift(0);
}
return this._createEncoderBuffer(Buffer.from(out));
};
DERNode.prototype._encodeBool = function encodeBool(value) {
return this._createEncoderBuffer(value ? 0xff : 0);
};
DERNode.prototype._use = function use(entity, obj) {
if (typeof entity === 'function')
entity = entity(obj);
return entity._getEncoder('der').tree;
};
DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) {
const state = this._baseState;
let i;
if (state['default'] === null)
return false;
const data = dataBuffer.join();
if (state.defaultBuffer === undefined)
state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join();
if (data.length !== state.defaultBuffer.length)
return false;
for (i=0; i < data.length; i++)
if (data[i] !== state.defaultBuffer[i])
return false;
return true;
};
// Utility methods
function encodeTag(tag, primitive, cls, reporter) {
let res;
if (tag === 'seqof')
tag = 'seq';
else if (tag === 'setof')
tag = 'set';
if (der.tagByName.hasOwnProperty(tag))
res = der.tagByName[tag];
else if (typeof tag === 'number' && (tag | 0) === tag)
res = tag;
else
return reporter.error('Unknown tag: ' + tag);
if (res >= 0x1f)
return reporter.error('Multi-octet tag encoding unsupported');
if (!primitive)
res |= 0x20;
res |= (der.tagClassByName[cls || 'universal'] << 6);
return res;
}

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'use strict';
const encoders = exports;
encoders.der = require('./der');
encoders.pem = require('./pem');

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'use strict';
const inherits = require('inherits');
const DEREncoder = require('./der');
function PEMEncoder(entity) {
DEREncoder.call(this, entity);
this.enc = 'pem';
}
inherits(PEMEncoder, DEREncoder);
module.exports = PEMEncoder;
PEMEncoder.prototype.encode = function encode(data, options) {
const buf = DEREncoder.prototype.encode.call(this, data);
const p = buf.toString('base64');
const out = [ '-----BEGIN ' + options.label + '-----' ];
for (let i = 0; i < p.length; i += 64)
out.push(p.slice(i, i + 64));
out.push('-----END ' + options.label + '-----');
return out.join('\n');
};

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Copyright Fedor Indutny, 2015.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# <img src="./logo.png" alt="bn.js" width="160" height="160" />
> BigNum in pure javascript
[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
## Install
`npm install --save bn.js`
## Usage
```js
const BN = require('bn.js');
var a = new BN('dead', 16);
var b = new BN('101010', 2);
var res = a.add(b);
console.log(res.toString(10)); // 57047
```
**Note**: decimals are not supported in this library.
## Notation
### Prefixes
There are several prefixes to instructions that affect the way the work. Here
is the list of them in the order of appearance in the function name:
* `i` - perform operation in-place, storing the result in the host object (on
which the method was invoked). Might be used to avoid number allocation costs
* `u` - unsigned, ignore the sign of operands when performing operation, or
always return positive value. Second case applies to reduction operations
like `mod()`. In such cases if the result will be negative - modulo will be
added to the result to make it positive
### Postfixes
The only available postfix at the moment is:
* `n` - which means that the argument of the function must be a plain JavaScript
Number. Decimals are not supported.
### Examples
* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
* `a.iushln(13)` - shift bits of `a` left by 13
## Instructions
Prefixes/postfixes are put in parens at the of the line. `endian` - could be
either `le` (little-endian) or `be` (big-endian).
### Utilities
* `a.clone()` - clone number
* `a.toString(base, length)` - convert to base-string and pad with zeroes
* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
pad to length, throwing if already exceeding
* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
which must behave like an `Array`
* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
compatibility with browserify and similar tools, use this instead:
`a.toArrayLike(Buffer, endian, length)`
* `a.bitLength()` - get number of bits occupied
* `a.zeroBits()` - return number of less-significant consequent zero bits
(example: `1010000` has 4 zero bits)
* `a.byteLength()` - return number of bytes occupied
* `a.isNeg()` - true if the number is negative
* `a.isEven()` - no comments
* `a.isOdd()` - no comments
* `a.isZero()` - no comments
* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
depending on the comparison result (`ucmp`, `cmpn`)
* `a.lt(b)` - `a` less than `b` (`n`)
* `a.lte(b)` - `a` less than or equals `b` (`n`)
* `a.gt(b)` - `a` greater than `b` (`n`)
* `a.gte(b)` - `a` greater than or equals `b` (`n`)
* `a.eq(b)` - `a` equals `b` (`n`)
* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
### Arithmetics
* `a.neg()` - negate sign (`i`)
* `a.abs()` - absolute value (`i`)
* `a.add(b)` - addition (`i`, `n`, `in`)
* `a.sub(b)` - subtraction (`i`, `n`, `in`)
* `a.mul(b)` - multiply (`i`, `n`, `in`)
* `a.sqr()` - square (`i`)
* `a.pow(b)` - raise `a` to the power of `b`
* `a.div(b)` - divide (`divn`, `idivn`)
* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
* `a.divRound(b)` - rounded division
### Bit operations
* `a.or(b)` - or (`i`, `u`, `iu`)
* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
with `andn` in future)
* `a.xor(b)` - xor (`i`, `u`, `iu`)
* `a.setn(b)` - set specified bit to `1`
* `a.shln(b)` - shift left (`i`, `u`, `iu`)
* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
* `a.testn(b)` - test if specified bit is set
* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
* `a.bincn(b)` - add `1 << b` to the number
* `a.notn(w)` - not (for the width specified by `w`) (`i`)
### Reduction
* `a.gcd(b)` - GCD
* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
* `a.invm(b)` - inverse `a` modulo `b`
## Fast reduction
When doing lots of reductions using the same modulo, it might be beneficial to
use some tricks: like [Montgomery multiplication][0], or using special algorithm
for [Mersenne Prime][1].
### Reduction context
To enable this tricks one should create a reduction context:
```js
var red = BN.red(num);
```
where `num` is just a BN instance.
Or:
```js
var red = BN.red(primeName);
```
Where `primeName` is either of these [Mersenne Primes][1]:
* `'k256'`
* `'p224'`
* `'p192'`
* `'p25519'`
Or:
```js
var red = BN.mont(num);
```
To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
`.red(num)`, but slower than `BN.red(primeName)`.
### Converting numbers
Before performing anything in reduction context - numbers should be converted
to it. Usually, this means that one should:
* Convert inputs to reducted ones
* Operate on them in reduction context
* Convert outputs back from the reduction context
Here is how one may convert numbers to `red`:
```js
var redA = a.toRed(red);
```
Where `red` is a reduction context created using instructions above
Here is how to convert them back:
```js
var a = redA.fromRed();
```
### Red instructions
Most of the instructions from the very start of this readme have their
counterparts in red context:
* `a.redAdd(b)`, `a.redIAdd(b)`
* `a.redSub(b)`, `a.redISub(b)`
* `a.redShl(num)`
* `a.redMul(b)`, `a.redIMul(b)`
* `a.redSqr()`, `a.redISqr()`
* `a.redSqrt()` - square root modulo reduction context's prime
* `a.redInvm()` - modular inverse of the number
* `a.redNeg()`
* `a.redPow(b)` - modular exponentiation
## LICENSE
This software is licensed under the MIT License.
[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
[1]: https://en.wikipedia.org/wiki/Mersenne_prime

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{
"_args": [
[
"bn.js@4.12.0",
"/home/brian/git_test/get_my"
]
],
"_from": "bn.js@4.12.0",
"_id": "bn.js@4.12.0",
"_inBundle": true,
"_integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
"_location": "/meteor-node-stubs/asn1.js/bn.js",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "bn.js@4.12.0",
"name": "bn.js",
"escapedName": "bn.js",
"rawSpec": "4.12.0",
"saveSpec": null,
"fetchSpec": "4.12.0"
},
"_requiredBy": [
"/meteor-node-stubs/asn1.js"
],
"_resolved": false,
"_spec": "4.12.0",
"_where": "/home/brian/git_test/get_my",
"author": {
"name": "Fedor Indutny",
"email": "fedor@indutny.com"
},
"browser": {
"buffer": false
},
"bugs": {
"url": "https://github.com/indutny/bn.js/issues"
},
"description": "Big number implementation in pure javascript",
"devDependencies": {
"istanbul": "^0.3.5",
"mocha": "^2.1.0",
"semistandard": "^7.0.4"
},
"homepage": "https://github.com/indutny/bn.js",
"keywords": [
"BN",
"BigNum",
"Big number",
"Modulo",
"Montgomery"
],
"license": "MIT",
"main": "lib/bn.js",
"name": "bn.js",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/indutny/bn.js.git"
},
"scripts": {
"lint": "semistandard",
"test": "npm run lint && npm run unit",
"unit": "mocha --reporter=spec test/*-test.js"
},
"version": "4.12.0"
}

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{
"_args": [
[
"asn1.js@5.4.1",
"/home/brian/git_test/get_my"
]
],
"_from": "asn1.js@5.4.1",
"_id": "asn1.js@5.4.1",
"_inBundle": true,
"_integrity": "sha512-+I//4cYPccV8LdmBLiX8CYvf9Sp3vQsrqu2QNXRcrbiWvcx/UdlFiqUJJzxRQxgsZmvhXhn4cSKeSmoFjVdupA==",
"_location": "/meteor-node-stubs/asn1.js",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "asn1.js@5.4.1",
"name": "asn1.js",
"escapedName": "asn1.js",
"rawSpec": "5.4.1",
"saveSpec": null,
"fetchSpec": "5.4.1"
},
"_requiredBy": [
"/meteor-node-stubs/parse-asn1"
],
"_resolved": false,
"_spec": "5.4.1",
"_where": "/home/brian/git_test/get_my",
"author": {
"name": "Fedor Indutny"
},
"bugs": {
"url": "https://github.com/indutny/asn1.js/issues"
},
"dependencies": {
"bn.js": "^4.0.0",
"inherits": "^2.0.1",
"minimalistic-assert": "^1.0.0",
"safer-buffer": "^2.1.0"
},
"description": "ASN.1 encoder and decoder",
"devDependencies": {
"eslint": "^4.10.0",
"mocha": "^7.0.0"
},
"homepage": "https://github.com/indutny/asn1.js",
"keywords": [
"asn.1",
"der"
],
"license": "MIT",
"main": "lib/asn1.js",
"name": "asn1.js",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/indutny/asn1.js.git"
},
"scripts": {
"lint": "eslint --fix lib/*.js lib/**/*.js lib/**/**/*.js && npm run lint-2560 && npm run lint-5280",
"lint-2560": "eslint --fix rfc/2560/*.js rfc/2560/test/*.js",
"lint-5280": "eslint --fix rfc/5280/*.js rfc/5280/test/*.js",
"test": "mocha --reporter spec test/*-test.js && cd rfc/2560 && npm i && npm test && cd ../../rfc/5280 && npm i && npm test && cd ../../ && npm run lint"
},
"version": "5.4.1"
}

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# assert change log
All notable changes to this project will be documented in this file.
This project adheres to [Semantic Versioning](http://semver.org/).
## 2.0.0
* Sync with Node.js master. ([@lukechilds](https://github.com/lukechilds) in [#44](https://github.com/browserify/commonjs-assert/pull/44))
**Note:** Support for IE9 and IE10 has been dropped. IE11 is still supported.
## 1.5.0
* Add strict mode APIs. ([@lukechilds](https://github.com/lukechilds) in [#41](https://github.com/browserify/commonjs-assert/pull/41))

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Copyright Joyent, Inc. and other Node contributors. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.

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# assert
> The [`assert`](https://nodejs.org/api/assert.html) module from Node.js, for the browser.
[![Build Status](https://travis-ci.org/browserify/commonjs-assert.svg?branch=master)](https://travis-ci.org/browserify/commonjs-assert)
[![npm](https://img.shields.io/npm/dm/assert.svg)](https://www.npmjs.com/package/assert)
[![npm](https://img.shields.io/npm/v/assert.svg)](https://www.npmjs.com/package/assert)
With browserify, simply `require('assert')` or use the `assert` global and you will get this module.
The goal is to provide an API that is as functionally identical to the [Node.js `assert` API](https://nodejs.org/api/assert.html) as possible. Read the [official docs](https://nodejs.org/api/assert.html) for API documentation.
## Install
To use this module directly (without browserify), install it as a dependency:
```
npm install assert
```
## Usage
The goal is to provide an API that is as functionally identical to the [Node.js `assert` API](https://nodejs.org/api/assert.html) as possible. Read the [official docs](https://nodejs.org/api/assert.html) for API documentation.
### Inconsistencies with Node.js `assert`
Due to differences between browsers, some error properties such as `message` and `stack` will be inconsistent. However the assertion behaviour is as close as possible to Node.js and the same error `code` will always be used.
## Contributing
To contribute, work on the source files. Then build and run the tests against the built files. Be careful to not introduce syntax that will be transpiled down to unsupported syntax. For example, `for...of` loops will be transpiled to use `Symbol.iterator` which is unavailable in IE.
### Build scripts
#### `npm run build`
Builds the project into the `build` dir.
#### `npm run dev`
Watches source files for changes and rebuilds them into the `build` dir.
#### `npm run test`
Builds the source files into the `build` dir and then runs the tests against the built project.
#### `npm run test:nobuild`
Runs the tests against the built project without rebuilding first.
This is useful if you're debugging in the transpiled code and want to re-run the tests without overwriting any changes you may have made.
#### `npm run test:source`
Runs the tests against the unbuilt source files.
This will only work on modern Node.js versions.
#### `npm run test:browsers`
Run browser tests against the all targets in the cloud.
Requires airtap credentials to be configured on your machine.
#### `npm run test:browsers:local`
Run a local browser test server. No airtap configuration required.
When paired with `npm run dev` any changes you make to the source files will be automatically transpiled and served on the next request to the test server.
## License
MIT © Joyent, Inc. and other Node contributors

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// Currently in sync with Node.js lib/assert.js
// https://github.com/nodejs/node/commit/2a51ae424a513ec9a6aa3466baa0cc1d55dd4f3b
// Originally from narwhal.js (http://narwhaljs.org)
// Copyright (c) 2009 Thomas Robinson <280north.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var _require = require('./internal/errors'),
_require$codes = _require.codes,
ERR_AMBIGUOUS_ARGUMENT = _require$codes.ERR_AMBIGUOUS_ARGUMENT,
ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
ERR_INVALID_ARG_VALUE = _require$codes.ERR_INVALID_ARG_VALUE,
ERR_INVALID_RETURN_VALUE = _require$codes.ERR_INVALID_RETURN_VALUE,
ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS;
var AssertionError = require('./internal/assert/assertion_error');
var _require2 = require('util/'),
inspect = _require2.inspect;
var _require$types = require('util/').types,
isPromise = _require$types.isPromise,
isRegExp = _require$types.isRegExp;
var objectAssign = Object.assign ? Object.assign : require('es6-object-assign').assign;
var objectIs = Object.is ? Object.is : require('object-is');
var errorCache = new Map();
var isDeepEqual;
var isDeepStrictEqual;
var parseExpressionAt;
var findNodeAround;
var decoder;
function lazyLoadComparison() {
var comparison = require('./internal/util/comparisons');
isDeepEqual = comparison.isDeepEqual;
isDeepStrictEqual = comparison.isDeepStrictEqual;
} // Escape control characters but not \n and \t to keep the line breaks and
// indentation intact.
// eslint-disable-next-line no-control-regex
var escapeSequencesRegExp = /[\x00-\x08\x0b\x0c\x0e-\x1f]/g;
var meta = ["\\u0000", "\\u0001", "\\u0002", "\\u0003", "\\u0004", "\\u0005", "\\u0006", "\\u0007", '\\b', '', '', "\\u000b", '\\f', '', "\\u000e", "\\u000f", "\\u0010", "\\u0011", "\\u0012", "\\u0013", "\\u0014", "\\u0015", "\\u0016", "\\u0017", "\\u0018", "\\u0019", "\\u001a", "\\u001b", "\\u001c", "\\u001d", "\\u001e", "\\u001f"];
var escapeFn = function escapeFn(str) {
return meta[str.charCodeAt(0)];
};
var warned = false; // The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.
var assert = module.exports = ok;
var NO_EXCEPTION_SENTINEL = {}; // All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided. All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.
function innerFail(obj) {
if (obj.message instanceof Error) throw obj.message;
throw new AssertionError(obj);
}
function fail(actual, expected, message, operator, stackStartFn) {
var argsLen = arguments.length;
var internalMessage;
if (argsLen === 0) {
internalMessage = 'Failed';
} else if (argsLen === 1) {
message = actual;
actual = undefined;
} else {
if (warned === false) {
warned = true;
var warn = process.emitWarning ? process.emitWarning : console.warn.bind(console);
warn('assert.fail() with more than one argument is deprecated. ' + 'Please use assert.strictEqual() instead or only pass a message.', 'DeprecationWarning', 'DEP0094');
}
if (argsLen === 2) operator = '!=';
}
if (message instanceof Error) throw message;
var errArgs = {
actual: actual,
expected: expected,
operator: operator === undefined ? 'fail' : operator,
stackStartFn: stackStartFn || fail
};
if (message !== undefined) {
errArgs.message = message;
}
var err = new AssertionError(errArgs);
if (internalMessage) {
err.message = internalMessage;
err.generatedMessage = true;
}
throw err;
}
assert.fail = fail; // The AssertionError is defined in internal/error.
assert.AssertionError = AssertionError;
function innerOk(fn, argLen, value, message) {
if (!value) {
var generatedMessage = false;
if (argLen === 0) {
generatedMessage = true;
message = 'No value argument passed to `assert.ok()`';
} else if (message instanceof Error) {
throw message;
}
var err = new AssertionError({
actual: value,
expected: true,
message: message,
operator: '==',
stackStartFn: fn
});
err.generatedMessage = generatedMessage;
throw err;
}
} // Pure assertion tests whether a value is truthy, as determined
// by !!value.
function ok() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
innerOk.apply(void 0, [ok, args.length].concat(args));
}
assert.ok = ok; // The equality assertion tests shallow, coercive equality with ==.
/* eslint-disable no-restricted-properties */
assert.equal = function equal(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
} // eslint-disable-next-line eqeqeq
if (actual != expected) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: '==',
stackStartFn: equal
});
}
}; // The non-equality assertion tests for whether two objects are not
// equal with !=.
assert.notEqual = function notEqual(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
} // eslint-disable-next-line eqeqeq
if (actual == expected) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: '!=',
stackStartFn: notEqual
});
}
}; // The equivalence assertion tests a deep equality relation.
assert.deepEqual = function deepEqual(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
}
if (isDeepEqual === undefined) lazyLoadComparison();
if (!isDeepEqual(actual, expected)) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: 'deepEqual',
stackStartFn: deepEqual
});
}
}; // The non-equivalence assertion tests for any deep inequality.
assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
}
if (isDeepEqual === undefined) lazyLoadComparison();
if (isDeepEqual(actual, expected)) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: 'notDeepEqual',
stackStartFn: notDeepEqual
});
}
};
/* eslint-enable */
assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
}
if (isDeepEqual === undefined) lazyLoadComparison();
if (!isDeepStrictEqual(actual, expected)) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: 'deepStrictEqual',
stackStartFn: deepStrictEqual
});
}
};
assert.notDeepStrictEqual = notDeepStrictEqual;
function notDeepStrictEqual(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
}
if (isDeepEqual === undefined) lazyLoadComparison();
if (isDeepStrictEqual(actual, expected)) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: 'notDeepStrictEqual',
stackStartFn: notDeepStrictEqual
});
}
}
assert.strictEqual = function strictEqual(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
}
if (!objectIs(actual, expected)) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: 'strictEqual',
stackStartFn: strictEqual
});
}
};
assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('actual', 'expected');
}
if (objectIs(actual, expected)) {
innerFail({
actual: actual,
expected: expected,
message: message,
operator: 'notStrictEqual',
stackStartFn: notStrictEqual
});
}
};
var Comparison = function Comparison(obj, keys, actual) {
var _this = this;
_classCallCheck(this, Comparison);
keys.forEach(function (key) {
if (key in obj) {
if (actual !== undefined && typeof actual[key] === 'string' && isRegExp(obj[key]) && obj[key].test(actual[key])) {
_this[key] = actual[key];
} else {
_this[key] = obj[key];
}
}
});
};
function compareExceptionKey(actual, expected, key, message, keys, fn) {
if (!(key in actual) || !isDeepStrictEqual(actual[key], expected[key])) {
if (!message) {
// Create placeholder objects to create a nice output.
var a = new Comparison(actual, keys);
var b = new Comparison(expected, keys, actual);
var err = new AssertionError({
actual: a,
expected: b,
operator: 'deepStrictEqual',
stackStartFn: fn
});
err.actual = actual;
err.expected = expected;
err.operator = fn.name;
throw err;
}
innerFail({
actual: actual,
expected: expected,
message: message,
operator: fn.name,
stackStartFn: fn
});
}
}
function expectedException(actual, expected, msg, fn) {
if (typeof expected !== 'function') {
if (isRegExp(expected)) return expected.test(actual); // assert.doesNotThrow does not accept objects.
if (arguments.length === 2) {
throw new ERR_INVALID_ARG_TYPE('expected', ['Function', 'RegExp'], expected);
} // Handle primitives properly.
if (_typeof(actual) !== 'object' || actual === null) {
var err = new AssertionError({
actual: actual,
expected: expected,
message: msg,
operator: 'deepStrictEqual',
stackStartFn: fn
});
err.operator = fn.name;
throw err;
}
var keys = Object.keys(expected); // Special handle errors to make sure the name and the message are compared
// as well.
if (expected instanceof Error) {
keys.push('name', 'message');
} else if (keys.length === 0) {
throw new ERR_INVALID_ARG_VALUE('error', expected, 'may not be an empty object');
}
if (isDeepEqual === undefined) lazyLoadComparison();
keys.forEach(function (key) {
if (typeof actual[key] === 'string' && isRegExp(expected[key]) && expected[key].test(actual[key])) {
return;
}
compareExceptionKey(actual, expected, key, msg, keys, fn);
});
return true;
} // Guard instanceof against arrow functions as they don't have a prototype.
if (expected.prototype !== undefined && actual instanceof expected) {
return true;
}
if (Error.isPrototypeOf(expected)) {
return false;
}
return expected.call({}, actual) === true;
}
function getActual(fn) {
if (typeof fn !== 'function') {
throw new ERR_INVALID_ARG_TYPE('fn', 'Function', fn);
}
try {
fn();
} catch (e) {
return e;
}
return NO_EXCEPTION_SENTINEL;
}
function checkIsPromise(obj) {
// Accept native ES6 promises and promises that are implemented in a similar
// way. Do not accept thenables that use a function as `obj` and that have no
// `catch` handler.
// TODO: thenables are checked up until they have the correct methods,
// but according to documentation, the `then` method should receive
// the `fulfill` and `reject` arguments as well or it may be never resolved.
return isPromise(obj) || obj !== null && _typeof(obj) === 'object' && typeof obj.then === 'function' && typeof obj.catch === 'function';
}
function waitForActual(promiseFn) {
return Promise.resolve().then(function () {
var resultPromise;
if (typeof promiseFn === 'function') {
// Return a rejected promise if `promiseFn` throws synchronously.
resultPromise = promiseFn(); // Fail in case no promise is returned.
if (!checkIsPromise(resultPromise)) {
throw new ERR_INVALID_RETURN_VALUE('instance of Promise', 'promiseFn', resultPromise);
}
} else if (checkIsPromise(promiseFn)) {
resultPromise = promiseFn;
} else {
throw new ERR_INVALID_ARG_TYPE('promiseFn', ['Function', 'Promise'], promiseFn);
}
return Promise.resolve().then(function () {
return resultPromise;
}).then(function () {
return NO_EXCEPTION_SENTINEL;
}).catch(function (e) {
return e;
});
});
}
function expectsError(stackStartFn, actual, error, message) {
if (typeof error === 'string') {
if (arguments.length === 4) {
throw new ERR_INVALID_ARG_TYPE('error', ['Object', 'Error', 'Function', 'RegExp'], error);
}
if (_typeof(actual) === 'object' && actual !== null) {
if (actual.message === error) {
throw new ERR_AMBIGUOUS_ARGUMENT('error/message', "The error message \"".concat(actual.message, "\" is identical to the message."));
}
} else if (actual === error) {
throw new ERR_AMBIGUOUS_ARGUMENT('error/message', "The error \"".concat(actual, "\" is identical to the message."));
}
message = error;
error = undefined;
} else if (error != null && _typeof(error) !== 'object' && typeof error !== 'function') {
throw new ERR_INVALID_ARG_TYPE('error', ['Object', 'Error', 'Function', 'RegExp'], error);
}
if (actual === NO_EXCEPTION_SENTINEL) {
var details = '';
if (error && error.name) {
details += " (".concat(error.name, ")");
}
details += message ? ": ".concat(message) : '.';
var fnType = stackStartFn.name === 'rejects' ? 'rejection' : 'exception';
innerFail({
actual: undefined,
expected: error,
operator: stackStartFn.name,
message: "Missing expected ".concat(fnType).concat(details),
stackStartFn: stackStartFn
});
}
if (error && !expectedException(actual, error, message, stackStartFn)) {
throw actual;
}
}
function expectsNoError(stackStartFn, actual, error, message) {
if (actual === NO_EXCEPTION_SENTINEL) return;
if (typeof error === 'string') {
message = error;
error = undefined;
}
if (!error || expectedException(actual, error)) {
var details = message ? ": ".concat(message) : '.';
var fnType = stackStartFn.name === 'doesNotReject' ? 'rejection' : 'exception';
innerFail({
actual: actual,
expected: error,
operator: stackStartFn.name,
message: "Got unwanted ".concat(fnType).concat(details, "\n") + "Actual message: \"".concat(actual && actual.message, "\""),
stackStartFn: stackStartFn
});
}
throw actual;
}
assert.throws = function throws(promiseFn) {
for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
args[_key2 - 1] = arguments[_key2];
}
expectsError.apply(void 0, [throws, getActual(promiseFn)].concat(args));
};
assert.rejects = function rejects(promiseFn) {
for (var _len3 = arguments.length, args = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
args[_key3 - 1] = arguments[_key3];
}
return waitForActual(promiseFn).then(function (result) {
return expectsError.apply(void 0, [rejects, result].concat(args));
});
};
assert.doesNotThrow = function doesNotThrow(fn) {
for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
args[_key4 - 1] = arguments[_key4];
}
expectsNoError.apply(void 0, [doesNotThrow, getActual(fn)].concat(args));
};
assert.doesNotReject = function doesNotReject(fn) {
for (var _len5 = arguments.length, args = new Array(_len5 > 1 ? _len5 - 1 : 0), _key5 = 1; _key5 < _len5; _key5++) {
args[_key5 - 1] = arguments[_key5];
}
return waitForActual(fn).then(function (result) {
return expectsNoError.apply(void 0, [doesNotReject, result].concat(args));
});
};
assert.ifError = function ifError(err) {
if (err !== null && err !== undefined) {
var message = 'ifError got unwanted exception: ';
if (_typeof(err) === 'object' && typeof err.message === 'string') {
if (err.message.length === 0 && err.constructor) {
message += err.constructor.name;
} else {
message += err.message;
}
} else {
message += inspect(err);
}
var newErr = new AssertionError({
actual: err,
expected: null,
operator: 'ifError',
message: message,
stackStartFn: ifError
}); // Make sure we actually have a stack trace!
var origStack = err.stack;
if (typeof origStack === 'string') {
// This will remove any duplicated frames from the error frames taken
// from within `ifError` and add the original error frames to the newly
// created ones.
var tmp2 = origStack.split('\n');
tmp2.shift(); // Filter all frames existing in err.stack.
var tmp1 = newErr.stack.split('\n');
for (var i = 0; i < tmp2.length; i++) {
// Find the first occurrence of the frame.
var pos = tmp1.indexOf(tmp2[i]);
if (pos !== -1) {
// Only keep new frames.
tmp1 = tmp1.slice(0, pos);
break;
}
}
newErr.stack = "".concat(tmp1.join('\n'), "\n").concat(tmp2.join('\n'));
}
throw newErr;
}
}; // Expose a strict only variant of assert
function strict() {
for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
args[_key6] = arguments[_key6];
}
innerOk.apply(void 0, [strict, args.length].concat(args));
}
assert.strict = objectAssign(strict, assert, {
equal: assert.strictEqual,
deepEqual: assert.deepStrictEqual,
notEqual: assert.notStrictEqual,
notDeepEqual: assert.notDeepStrictEqual
});
assert.strict.strict = assert.strict;

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// Currently in sync with Node.js lib/internal/assert/assertion_error.js
// https://github.com/nodejs/node/commit/0817840f775032169ddd70c85ac059f18ffcc81c
'use strict';
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }
function isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _construct(Parent, args, Class) { if (isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }
function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
var _require = require('util/'),
inspect = _require.inspect;
var _require2 = require('../errors'),
ERR_INVALID_ARG_TYPE = _require2.codes.ERR_INVALID_ARG_TYPE; // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
function endsWith(str, search, this_len) {
if (this_len === undefined || this_len > str.length) {
this_len = str.length;
}
return str.substring(this_len - search.length, this_len) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat
function repeat(str, count) {
count = Math.floor(count);
if (str.length == 0 || count == 0) return '';
var maxCount = str.length * count;
count = Math.floor(Math.log(count) / Math.log(2));
while (count) {
str += str;
count--;
}
str += str.substring(0, maxCount - str.length);
return str;
}
var blue = '';
var green = '';
var red = '';
var white = '';
var kReadableOperator = {
deepStrictEqual: 'Expected values to be strictly deep-equal:',
strictEqual: 'Expected values to be strictly equal:',
strictEqualObject: 'Expected "actual" to be reference-equal to "expected":',
deepEqual: 'Expected values to be loosely deep-equal:',
equal: 'Expected values to be loosely equal:',
notDeepStrictEqual: 'Expected "actual" not to be strictly deep-equal to:',
notStrictEqual: 'Expected "actual" to be strictly unequal to:',
notStrictEqualObject: 'Expected "actual" not to be reference-equal to "expected":',
notDeepEqual: 'Expected "actual" not to be loosely deep-equal to:',
notEqual: 'Expected "actual" to be loosely unequal to:',
notIdentical: 'Values identical but not reference-equal:'
}; // Comparing short primitives should just show === / !== instead of using the
// diff.
var kMaxShortLength = 10;
function copyError(source) {
var keys = Object.keys(source);
var target = Object.create(Object.getPrototypeOf(source));
keys.forEach(function (key) {
target[key] = source[key];
});
Object.defineProperty(target, 'message', {
value: source.message
});
return target;
}
function inspectValue(val) {
// The util.inspect default values could be changed. This makes sure the
// error messages contain the necessary information nevertheless.
return inspect(val, {
compact: false,
customInspect: false,
depth: 1000,
maxArrayLength: Infinity,
// Assert compares only enumerable properties (with a few exceptions).
showHidden: false,
// Having a long line as error is better than wrapping the line for
// comparison for now.
// TODO(BridgeAR): `breakLength` should be limited as soon as soon as we
// have meta information about the inspected properties (i.e., know where
// in what line the property starts and ends).
breakLength: Infinity,
// Assert does not detect proxies currently.
showProxy: false,
sorted: true,
// Inspect getters as we also check them when comparing entries.
getters: true
});
}
function createErrDiff(actual, expected, operator) {
var other = '';
var res = '';
var lastPos = 0;
var end = '';
var skipped = false;
var actualInspected = inspectValue(actual);
var actualLines = actualInspected.split('\n');
var expectedLines = inspectValue(expected).split('\n');
var i = 0;
var indicator = ''; // In case both values are objects explicitly mark them as not reference equal
// for the `strictEqual` operator.
if (operator === 'strictEqual' && _typeof(actual) === 'object' && _typeof(expected) === 'object' && actual !== null && expected !== null) {
operator = 'strictEqualObject';
} // If "actual" and "expected" fit on a single line and they are not strictly
// equal, check further special handling.
if (actualLines.length === 1 && expectedLines.length === 1 && actualLines[0] !== expectedLines[0]) {
var inputLength = actualLines[0].length + expectedLines[0].length; // If the character length of "actual" and "expected" together is less than
// kMaxShortLength and if neither is an object and at least one of them is
// not `zero`, use the strict equal comparison to visualize the output.
if (inputLength <= kMaxShortLength) {
if ((_typeof(actual) !== 'object' || actual === null) && (_typeof(expected) !== 'object' || expected === null) && (actual !== 0 || expected !== 0)) {
// -0 === +0
return "".concat(kReadableOperator[operator], "\n\n") + "".concat(actualLines[0], " !== ").concat(expectedLines[0], "\n");
}
} else if (operator !== 'strictEqualObject') {
// If the stderr is a tty and the input length is lower than the current
// columns per line, add a mismatch indicator below the output. If it is
// not a tty, use a default value of 80 characters.
var maxLength = process.stderr && process.stderr.isTTY ? process.stderr.columns : 80;
if (inputLength < maxLength) {
while (actualLines[0][i] === expectedLines[0][i]) {
i++;
} // Ignore the first characters.
if (i > 2) {
// Add position indicator for the first mismatch in case it is a
// single line and the input length is less than the column length.
indicator = "\n ".concat(repeat(' ', i), "^");
i = 0;
}
}
}
} // Remove all ending lines that match (this optimizes the output for
// readability by reducing the number of total changed lines).
var a = actualLines[actualLines.length - 1];
var b = expectedLines[expectedLines.length - 1];
while (a === b) {
if (i++ < 2) {
end = "\n ".concat(a).concat(end);
} else {
other = a;
}
actualLines.pop();
expectedLines.pop();
if (actualLines.length === 0 || expectedLines.length === 0) break;
a = actualLines[actualLines.length - 1];
b = expectedLines[expectedLines.length - 1];
}
var maxLines = Math.max(actualLines.length, expectedLines.length); // Strict equal with identical objects that are not identical by reference.
// E.g., assert.deepStrictEqual({ a: Symbol() }, { a: Symbol() })
if (maxLines === 0) {
// We have to get the result again. The lines were all removed before.
var _actualLines = actualInspected.split('\n'); // Only remove lines in case it makes sense to collapse those.
// TODO: Accept env to always show the full error.
if (_actualLines.length > 30) {
_actualLines[26] = "".concat(blue, "...").concat(white);
while (_actualLines.length > 27) {
_actualLines.pop();
}
}
return "".concat(kReadableOperator.notIdentical, "\n\n").concat(_actualLines.join('\n'), "\n");
}
if (i > 3) {
end = "\n".concat(blue, "...").concat(white).concat(end);
skipped = true;
}
if (other !== '') {
end = "\n ".concat(other).concat(end);
other = '';
}
var printedLines = 0;
var msg = kReadableOperator[operator] + "\n".concat(green, "+ actual").concat(white, " ").concat(red, "- expected").concat(white);
var skippedMsg = " ".concat(blue, "...").concat(white, " Lines skipped");
for (i = 0; i < maxLines; i++) {
// Only extra expected lines exist
var cur = i - lastPos;
if (actualLines.length < i + 1) {
// If the last diverging line is more than one line above and the
// current line is at least line three, add some of the former lines and
// also add dots to indicate skipped entries.
if (cur > 1 && i > 2) {
if (cur > 4) {
res += "\n".concat(blue, "...").concat(white);
skipped = true;
} else if (cur > 3) {
res += "\n ".concat(expectedLines[i - 2]);
printedLines++;
}
res += "\n ".concat(expectedLines[i - 1]);
printedLines++;
} // Mark the current line as the last diverging one.
lastPos = i; // Add the expected line to the cache.
other += "\n".concat(red, "-").concat(white, " ").concat(expectedLines[i]);
printedLines++; // Only extra actual lines exist
} else if (expectedLines.length < i + 1) {
// If the last diverging line is more than one line above and the
// current line is at least line three, add some of the former lines and
// also add dots to indicate skipped entries.
if (cur > 1 && i > 2) {
if (cur > 4) {
res += "\n".concat(blue, "...").concat(white);
skipped = true;
} else if (cur > 3) {
res += "\n ".concat(actualLines[i - 2]);
printedLines++;
}
res += "\n ".concat(actualLines[i - 1]);
printedLines++;
} // Mark the current line as the last diverging one.
lastPos = i; // Add the actual line to the result.
res += "\n".concat(green, "+").concat(white, " ").concat(actualLines[i]);
printedLines++; // Lines diverge
} else {
var expectedLine = expectedLines[i];
var actualLine = actualLines[i]; // If the lines diverge, specifically check for lines that only diverge by
// a trailing comma. In that case it is actually identical and we should
// mark it as such.
var divergingLines = actualLine !== expectedLine && (!endsWith(actualLine, ',') || actualLine.slice(0, -1) !== expectedLine); // If the expected line has a trailing comma but is otherwise identical,
// add a comma at the end of the actual line. Otherwise the output could
// look weird as in:
//
// [
// 1 // No comma at the end!
// + 2
// ]
//
if (divergingLines && endsWith(expectedLine, ',') && expectedLine.slice(0, -1) === actualLine) {
divergingLines = false;
actualLine += ',';
}
if (divergingLines) {
// If the last diverging line is more than one line above and the
// current line is at least line three, add some of the former lines and
// also add dots to indicate skipped entries.
if (cur > 1 && i > 2) {
if (cur > 4) {
res += "\n".concat(blue, "...").concat(white);
skipped = true;
} else if (cur > 3) {
res += "\n ".concat(actualLines[i - 2]);
printedLines++;
}
res += "\n ".concat(actualLines[i - 1]);
printedLines++;
} // Mark the current line as the last diverging one.
lastPos = i; // Add the actual line to the result and cache the expected diverging
// line so consecutive diverging lines show up as +++--- and not +-+-+-.
res += "\n".concat(green, "+").concat(white, " ").concat(actualLine);
other += "\n".concat(red, "-").concat(white, " ").concat(expectedLine);
printedLines += 2; // Lines are identical
} else {
// Add all cached information to the result before adding other things
// and reset the cache.
res += other;
other = ''; // If the last diverging line is exactly one line above or if it is the
// very first line, add the line to the result.
if (cur === 1 || i === 0) {
res += "\n ".concat(actualLine);
printedLines++;
}
}
} // Inspected object to big (Show ~20 rows max)
if (printedLines > 20 && i < maxLines - 2) {
return "".concat(msg).concat(skippedMsg, "\n").concat(res, "\n").concat(blue, "...").concat(white).concat(other, "\n") + "".concat(blue, "...").concat(white);
}
}
return "".concat(msg).concat(skipped ? skippedMsg : '', "\n").concat(res).concat(other).concat(end).concat(indicator);
}
var AssertionError =
/*#__PURE__*/
function (_Error) {
_inherits(AssertionError, _Error);
function AssertionError(options) {
var _this;
_classCallCheck(this, AssertionError);
if (_typeof(options) !== 'object' || options === null) {
throw new ERR_INVALID_ARG_TYPE('options', 'Object', options);
}
var message = options.message,
operator = options.operator,
stackStartFn = options.stackStartFn;
var actual = options.actual,
expected = options.expected;
var limit = Error.stackTraceLimit;
Error.stackTraceLimit = 0;
if (message != null) {
_this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, String(message)));
} else {
if (process.stderr && process.stderr.isTTY) {
// Reset on each call to make sure we handle dynamically set environment
// variables correct.
if (process.stderr && process.stderr.getColorDepth && process.stderr.getColorDepth() !== 1) {
blue = "\x1B[34m";
green = "\x1B[32m";
white = "\x1B[39m";
red = "\x1B[31m";
} else {
blue = '';
green = '';
white = '';
red = '';
}
} // Prevent the error stack from being visible by duplicating the error
// in a very close way to the original in case both sides are actually
// instances of Error.
if (_typeof(actual) === 'object' && actual !== null && _typeof(expected) === 'object' && expected !== null && 'stack' in actual && actual instanceof Error && 'stack' in expected && expected instanceof Error) {
actual = copyError(actual);
expected = copyError(expected);
}
if (operator === 'deepStrictEqual' || operator === 'strictEqual') {
_this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, createErrDiff(actual, expected, operator)));
} else if (operator === 'notDeepStrictEqual' || operator === 'notStrictEqual') {
// In case the objects are equal but the operator requires unequal, show
// the first object and say A equals B
var base = kReadableOperator[operator];
var res = inspectValue(actual).split('\n'); // In case "actual" is an object, it should not be reference equal.
if (operator === 'notStrictEqual' && _typeof(actual) === 'object' && actual !== null) {
base = kReadableOperator.notStrictEqualObject;
} // Only remove lines in case it makes sense to collapse those.
// TODO: Accept env to always show the full error.
if (res.length > 30) {
res[26] = "".concat(blue, "...").concat(white);
while (res.length > 27) {
res.pop();
}
} // Only print a single input.
if (res.length === 1) {
_this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(base, " ").concat(res[0])));
} else {
_this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(base, "\n\n").concat(res.join('\n'), "\n")));
}
} else {
var _res = inspectValue(actual);
var other = '';
var knownOperators = kReadableOperator[operator];
if (operator === 'notDeepEqual' || operator === 'notEqual') {
_res = "".concat(kReadableOperator[operator], "\n\n").concat(_res);
if (_res.length > 1024) {
_res = "".concat(_res.slice(0, 1021), "...");
}
} else {
other = "".concat(inspectValue(expected));
if (_res.length > 512) {
_res = "".concat(_res.slice(0, 509), "...");
}
if (other.length > 512) {
other = "".concat(other.slice(0, 509), "...");
}
if (operator === 'deepEqual' || operator === 'equal') {
_res = "".concat(knownOperators, "\n\n").concat(_res, "\n\nshould equal\n\n");
} else {
other = " ".concat(operator, " ").concat(other);
}
}
_this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(_res).concat(other)));
}
}
Error.stackTraceLimit = limit;
_this.generatedMessage = !message;
Object.defineProperty(_assertThisInitialized(_this), 'name', {
value: 'AssertionError [ERR_ASSERTION]',
enumerable: false,
writable: true,
configurable: true
});
_this.code = 'ERR_ASSERTION';
_this.actual = actual;
_this.expected = expected;
_this.operator = operator;
if (Error.captureStackTrace) {
// eslint-disable-next-line no-restricted-syntax
Error.captureStackTrace(_assertThisInitialized(_this), stackStartFn);
} // Create error message including the error code in the name.
_this.stack; // Reset the name.
_this.name = 'AssertionError';
return _possibleConstructorReturn(_this);
}
_createClass(AssertionError, [{
key: "toString",
value: function toString() {
return "".concat(this.name, " [").concat(this.code, "]: ").concat(this.message);
}
}, {
key: inspect.custom,
value: function value(recurseTimes, ctx) {
// This limits the `actual` and `expected` property default inspection to
// the minimum depth. Otherwise those values would be too verbose compared
// to the actual error message which contains a combined view of these two
// input values.
return inspect(this, _objectSpread({}, ctx, {
customInspect: false,
depth: 0
}));
}
}]);
return AssertionError;
}(_wrapNativeSuper(Error));
module.exports = AssertionError;

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// Currently in sync with Node.js lib/internal/errors.js
// https://github.com/nodejs/node/commit/3b044962c48fe313905877a96b5d0894a5404f6f
/* eslint node-core/documented-errors: "error" */
/* eslint node-core/alphabetize-errors: "error" */
/* eslint node-core/prefer-util-format-errors: "error" */
'use strict'; // The whole point behind this internal module is to allow Node.js to no
// longer be forced to treat every error message change as a semver-major
// change. The NodeError classes here all expose a `code` property whose
// value statically and permanently identifies the error. While the error
// message may change, the code should not.
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var codes = {}; // Lazy loaded
var assert;
var util;
function createErrorType(code, message, Base) {
if (!Base) {
Base = Error;
}
function getMessage(arg1, arg2, arg3) {
if (typeof message === 'string') {
return message;
} else {
return message(arg1, arg2, arg3);
}
}
var NodeError =
/*#__PURE__*/
function (_Base) {
_inherits(NodeError, _Base);
function NodeError(arg1, arg2, arg3) {
var _this;
_classCallCheck(this, NodeError);
_this = _possibleConstructorReturn(this, _getPrototypeOf(NodeError).call(this, getMessage(arg1, arg2, arg3)));
_this.code = code;
return _this;
}
return NodeError;
}(Base);
codes[code] = NodeError;
} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js
function oneOf(expected, thing) {
if (Array.isArray(expected)) {
var len = expected.length;
expected = expected.map(function (i) {
return String(i);
});
if (len > 2) {
return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1];
} else if (len === 2) {
return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]);
} else {
return "of ".concat(thing, " ").concat(expected[0]);
}
} else {
return "of ".concat(thing, " ").concat(String(expected));
}
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
function startsWith(str, search, pos) {
return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
function endsWith(str, search, this_len) {
if (this_len === undefined || this_len > str.length) {
this_len = str.length;
}
return str.substring(this_len - search.length, this_len) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
function includes(str, search, start) {
if (typeof start !== 'number') {
start = 0;
}
if (start + search.length > str.length) {
return false;
} else {
return str.indexOf(search, start) !== -1;
}
}
createErrorType('ERR_AMBIGUOUS_ARGUMENT', 'The "%s" argument is ambiguous. %s', TypeError);
createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) {
if (assert === undefined) assert = require('../assert');
assert(typeof name === 'string', "'name' must be a string"); // determiner: 'must be' or 'must not be'
var determiner;
if (typeof expected === 'string' && startsWith(expected, 'not ')) {
determiner = 'must not be';
expected = expected.replace(/^not /, '');
} else {
determiner = 'must be';
}
var msg;
if (endsWith(name, ' argument')) {
// For cases like 'first argument'
msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
} else {
var type = includes(name, '.') ? 'property' : 'argument';
msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
} // TODO(BridgeAR): Improve the output by showing `null` and similar.
msg += ". Received type ".concat(_typeof(actual));
return msg;
}, TypeError);
createErrorType('ERR_INVALID_ARG_VALUE', function (name, value) {
var reason = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'is invalid';
if (util === undefined) util = require('util/');
var inspected = util.inspect(value);
if (inspected.length > 128) {
inspected = "".concat(inspected.slice(0, 128), "...");
}
return "The argument '".concat(name, "' ").concat(reason, ". Received ").concat(inspected);
}, TypeError, RangeError);
createErrorType('ERR_INVALID_RETURN_VALUE', function (input, name, value) {
var type;
if (value && value.constructor && value.constructor.name) {
type = "instance of ".concat(value.constructor.name);
} else {
type = "type ".concat(_typeof(value));
}
return "Expected ".concat(input, " to be returned from the \"").concat(name, "\"") + " function but got ".concat(type, ".");
}, TypeError);
createErrorType('ERR_MISSING_ARGS', function () {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
if (assert === undefined) assert = require('../assert');
assert(args.length > 0, 'At least one arg needs to be specified');
var msg = 'The ';
var len = args.length;
args = args.map(function (a) {
return "\"".concat(a, "\"");
});
switch (len) {
case 1:
msg += "".concat(args[0], " argument");
break;
case 2:
msg += "".concat(args[0], " and ").concat(args[1], " arguments");
break;
default:
msg += args.slice(0, len - 1).join(', ');
msg += ", and ".concat(args[len - 1], " arguments");
break;
}
return "".concat(msg, " must be specified");
}, TypeError);
module.exports.codes = codes;

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@ -0,0 +1,688 @@
// Currently in sync with Node.js lib/internal/util/comparisons.js
// https://github.com/nodejs/node/commit/112cc7c27551254aa2b17098fb774867f05ed0d9
'use strict';
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
var regexFlagsSupported = /a/g.flags !== undefined;
var arrayFromSet = function arrayFromSet(set) {
var array = [];
set.forEach(function (value) {
return array.push(value);
});
return array;
};
var arrayFromMap = function arrayFromMap(map) {
var array = [];
map.forEach(function (value, key) {
return array.push([key, value]);
});
return array;
};
var objectIs = Object.is ? Object.is : require('object-is');
var objectGetOwnPropertySymbols = Object.getOwnPropertySymbols ? Object.getOwnPropertySymbols : function () {
return [];
};
var numberIsNaN = Number.isNaN ? Number.isNaN : require('is-nan');
function uncurryThis(f) {
return f.call.bind(f);
}
var hasOwnProperty = uncurryThis(Object.prototype.hasOwnProperty);
var propertyIsEnumerable = uncurryThis(Object.prototype.propertyIsEnumerable);
var objectToString = uncurryThis(Object.prototype.toString);
var _require$types = require('util/').types,
isAnyArrayBuffer = _require$types.isAnyArrayBuffer,
isArrayBufferView = _require$types.isArrayBufferView,
isDate = _require$types.isDate,
isMap = _require$types.isMap,
isRegExp = _require$types.isRegExp,
isSet = _require$types.isSet,
isNativeError = _require$types.isNativeError,
isBoxedPrimitive = _require$types.isBoxedPrimitive,
isNumberObject = _require$types.isNumberObject,
isStringObject = _require$types.isStringObject,
isBooleanObject = _require$types.isBooleanObject,
isBigIntObject = _require$types.isBigIntObject,
isSymbolObject = _require$types.isSymbolObject,
isFloat32Array = _require$types.isFloat32Array,
isFloat64Array = _require$types.isFloat64Array;
function isNonIndex(key) {
if (key.length === 0 || key.length > 10) return true;
for (var i = 0; i < key.length; i++) {
var code = key.charCodeAt(i);
if (code < 48 || code > 57) return true;
} // The maximum size for an array is 2 ** 32 -1.
return key.length === 10 && key >= Math.pow(2, 32);
}
function getOwnNonIndexProperties(value) {
return Object.keys(value).filter(isNonIndex).concat(objectGetOwnPropertySymbols(value).filter(Object.prototype.propertyIsEnumerable.bind(value)));
} // Taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js
// original notice:
/*!
* The buffer module from node.js, for the browser.
*
* @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
* @license MIT
*/
function compare(a, b) {
if (a === b) {
return 0;
}
var x = a.length;
var y = b.length;
for (var i = 0, len = Math.min(x, y); i < len; ++i) {
if (a[i] !== b[i]) {
x = a[i];
y = b[i];
break;
}
}
if (x < y) {
return -1;
}
if (y < x) {
return 1;
}
return 0;
}
var ONLY_ENUMERABLE = undefined;
var kStrict = true;
var kLoose = false;
var kNoIterator = 0;
var kIsArray = 1;
var kIsSet = 2;
var kIsMap = 3; // Check if they have the same source and flags
function areSimilarRegExps(a, b) {
return regexFlagsSupported ? a.source === b.source && a.flags === b.flags : RegExp.prototype.toString.call(a) === RegExp.prototype.toString.call(b);
}
function areSimilarFloatArrays(a, b) {
if (a.byteLength !== b.byteLength) {
return false;
}
for (var offset = 0; offset < a.byteLength; offset++) {
if (a[offset] !== b[offset]) {
return false;
}
}
return true;
}
function areSimilarTypedArrays(a, b) {
if (a.byteLength !== b.byteLength) {
return false;
}
return compare(new Uint8Array(a.buffer, a.byteOffset, a.byteLength), new Uint8Array(b.buffer, b.byteOffset, b.byteLength)) === 0;
}
function areEqualArrayBuffers(buf1, buf2) {
return buf1.byteLength === buf2.byteLength && compare(new Uint8Array(buf1), new Uint8Array(buf2)) === 0;
}
function isEqualBoxedPrimitive(val1, val2) {
if (isNumberObject(val1)) {
return isNumberObject(val2) && objectIs(Number.prototype.valueOf.call(val1), Number.prototype.valueOf.call(val2));
}
if (isStringObject(val1)) {
return isStringObject(val2) && String.prototype.valueOf.call(val1) === String.prototype.valueOf.call(val2);
}
if (isBooleanObject(val1)) {
return isBooleanObject(val2) && Boolean.prototype.valueOf.call(val1) === Boolean.prototype.valueOf.call(val2);
}
if (isBigIntObject(val1)) {
return isBigIntObject(val2) && BigInt.prototype.valueOf.call(val1) === BigInt.prototype.valueOf.call(val2);
}
return isSymbolObject(val2) && Symbol.prototype.valueOf.call(val1) === Symbol.prototype.valueOf.call(val2);
} // Notes: Type tags are historical [[Class]] properties that can be set by
// FunctionTemplate::SetClassName() in C++ or Symbol.toStringTag in JS
// and retrieved using Object.prototype.toString.call(obj) in JS
// See https://tc39.github.io/ecma262/#sec-object.prototype.tostring
// for a list of tags pre-defined in the spec.
// There are some unspecified tags in the wild too (e.g. typed array tags).
// Since tags can be altered, they only serve fast failures
//
// Typed arrays and buffers are checked by comparing the content in their
// underlying ArrayBuffer. This optimization requires that it's
// reasonable to interpret their underlying memory in the same way,
// which is checked by comparing their type tags.
// (e.g. a Uint8Array and a Uint16Array with the same memory content
// could still be different because they will be interpreted differently).
//
// For strict comparison, objects should have
// a) The same built-in type tags
// b) The same prototypes.
function innerDeepEqual(val1, val2, strict, memos) {
// All identical values are equivalent, as determined by ===.
if (val1 === val2) {
if (val1 !== 0) return true;
return strict ? objectIs(val1, val2) : true;
} // Check more closely if val1 and val2 are equal.
if (strict) {
if (_typeof(val1) !== 'object') {
return typeof val1 === 'number' && numberIsNaN(val1) && numberIsNaN(val2);
}
if (_typeof(val2) !== 'object' || val1 === null || val2 === null) {
return false;
}
if (Object.getPrototypeOf(val1) !== Object.getPrototypeOf(val2)) {
return false;
}
} else {
if (val1 === null || _typeof(val1) !== 'object') {
if (val2 === null || _typeof(val2) !== 'object') {
// eslint-disable-next-line eqeqeq
return val1 == val2;
}
return false;
}
if (val2 === null || _typeof(val2) !== 'object') {
return false;
}
}
var val1Tag = objectToString(val1);
var val2Tag = objectToString(val2);
if (val1Tag !== val2Tag) {
return false;
}
if (Array.isArray(val1)) {
// Check for sparse arrays and general fast path
if (val1.length !== val2.length) {
return false;
}
var keys1 = getOwnNonIndexProperties(val1, ONLY_ENUMERABLE);
var keys2 = getOwnNonIndexProperties(val2, ONLY_ENUMERABLE);
if (keys1.length !== keys2.length) {
return false;
}
return keyCheck(val1, val2, strict, memos, kIsArray, keys1);
} // [browserify] This triggers on certain types in IE (Map/Set) so we don't
// wan't to early return out of the rest of the checks. However we can check
// if the second value is one of these values and the first isn't.
if (val1Tag === '[object Object]') {
// return keyCheck(val1, val2, strict, memos, kNoIterator);
if (!isMap(val1) && isMap(val2) || !isSet(val1) && isSet(val2)) {
return false;
}
}
if (isDate(val1)) {
if (!isDate(val2) || Date.prototype.getTime.call(val1) !== Date.prototype.getTime.call(val2)) {
return false;
}
} else if (isRegExp(val1)) {
if (!isRegExp(val2) || !areSimilarRegExps(val1, val2)) {
return false;
}
} else if (isNativeError(val1) || val1 instanceof Error) {
// Do not compare the stack as it might differ even though the error itself
// is otherwise identical.
if (val1.message !== val2.message || val1.name !== val2.name) {
return false;
}
} else if (isArrayBufferView(val1)) {
if (!strict && (isFloat32Array(val1) || isFloat64Array(val1))) {
if (!areSimilarFloatArrays(val1, val2)) {
return false;
}
} else if (!areSimilarTypedArrays(val1, val2)) {
return false;
} // Buffer.compare returns true, so val1.length === val2.length. If they both
// only contain numeric keys, we don't need to exam further than checking
// the symbols.
var _keys = getOwnNonIndexProperties(val1, ONLY_ENUMERABLE);
var _keys2 = getOwnNonIndexProperties(val2, ONLY_ENUMERABLE);
if (_keys.length !== _keys2.length) {
return false;
}
return keyCheck(val1, val2, strict, memos, kNoIterator, _keys);
} else if (isSet(val1)) {
if (!isSet(val2) || val1.size !== val2.size) {
return false;
}
return keyCheck(val1, val2, strict, memos, kIsSet);
} else if (isMap(val1)) {
if (!isMap(val2) || val1.size !== val2.size) {
return false;
}
return keyCheck(val1, val2, strict, memos, kIsMap);
} else if (isAnyArrayBuffer(val1)) {
if (!areEqualArrayBuffers(val1, val2)) {
return false;
}
} else if (isBoxedPrimitive(val1) && !isEqualBoxedPrimitive(val1, val2)) {
return false;
}
return keyCheck(val1, val2, strict, memos, kNoIterator);
}
function getEnumerables(val, keys) {
return keys.filter(function (k) {
return propertyIsEnumerable(val, k);
});
}
function keyCheck(val1, val2, strict, memos, iterationType, aKeys) {
// For all remaining Object pairs, including Array, objects and Maps,
// equivalence is determined by having:
// a) The same number of owned enumerable properties
// b) The same set of keys/indexes (although not necessarily the same order)
// c) Equivalent values for every corresponding key/index
// d) For Sets and Maps, equal contents
// Note: this accounts for both named and indexed properties on Arrays.
if (arguments.length === 5) {
aKeys = Object.keys(val1);
var bKeys = Object.keys(val2); // The pair must have the same number of owned properties.
if (aKeys.length !== bKeys.length) {
return false;
}
} // Cheap key test
var i = 0;
for (; i < aKeys.length; i++) {
if (!hasOwnProperty(val2, aKeys[i])) {
return false;
}
}
if (strict && arguments.length === 5) {
var symbolKeysA = objectGetOwnPropertySymbols(val1);
if (symbolKeysA.length !== 0) {
var count = 0;
for (i = 0; i < symbolKeysA.length; i++) {
var key = symbolKeysA[i];
if (propertyIsEnumerable(val1, key)) {
if (!propertyIsEnumerable(val2, key)) {
return false;
}
aKeys.push(key);
count++;
} else if (propertyIsEnumerable(val2, key)) {
return false;
}
}
var symbolKeysB = objectGetOwnPropertySymbols(val2);
if (symbolKeysA.length !== symbolKeysB.length && getEnumerables(val2, symbolKeysB).length !== count) {
return false;
}
} else {
var _symbolKeysB = objectGetOwnPropertySymbols(val2);
if (_symbolKeysB.length !== 0 && getEnumerables(val2, _symbolKeysB).length !== 0) {
return false;
}
}
}
if (aKeys.length === 0 && (iterationType === kNoIterator || iterationType === kIsArray && val1.length === 0 || val1.size === 0)) {
return true;
} // Use memos to handle cycles.
if (memos === undefined) {
memos = {
val1: new Map(),
val2: new Map(),
position: 0
};
} else {
// We prevent up to two map.has(x) calls by directly retrieving the value
// and checking for undefined. The map can only contain numbers, so it is
// safe to check for undefined only.
var val2MemoA = memos.val1.get(val1);
if (val2MemoA !== undefined) {
var val2MemoB = memos.val2.get(val2);
if (val2MemoB !== undefined) {
return val2MemoA === val2MemoB;
}
}
memos.position++;
}
memos.val1.set(val1, memos.position);
memos.val2.set(val2, memos.position);
var areEq = objEquiv(val1, val2, strict, aKeys, memos, iterationType);
memos.val1.delete(val1);
memos.val2.delete(val2);
return areEq;
}
function setHasEqualElement(set, val1, strict, memo) {
// Go looking.
var setValues = arrayFromSet(set);
for (var i = 0; i < setValues.length; i++) {
var val2 = setValues[i];
if (innerDeepEqual(val1, val2, strict, memo)) {
// Remove the matching element to make sure we do not check that again.
set.delete(val2);
return true;
}
}
return false;
} // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#Loose_equality_using
// Sadly it is not possible to detect corresponding values properly in case the
// type is a string, number, bigint or boolean. The reason is that those values
// can match lots of different string values (e.g., 1n == '+00001').
function findLooseMatchingPrimitives(prim) {
switch (_typeof(prim)) {
case 'undefined':
return null;
case 'object':
// Only pass in null as object!
return undefined;
case 'symbol':
return false;
case 'string':
prim = +prim;
// Loose equal entries exist only if the string is possible to convert to
// a regular number and not NaN.
// Fall through
case 'number':
if (numberIsNaN(prim)) {
return false;
}
}
return true;
}
function setMightHaveLoosePrim(a, b, prim) {
var altValue = findLooseMatchingPrimitives(prim);
if (altValue != null) return altValue;
return b.has(altValue) && !a.has(altValue);
}
function mapMightHaveLoosePrim(a, b, prim, item, memo) {
var altValue = findLooseMatchingPrimitives(prim);
if (altValue != null) {
return altValue;
}
var curB = b.get(altValue);
if (curB === undefined && !b.has(altValue) || !innerDeepEqual(item, curB, false, memo)) {
return false;
}
return !a.has(altValue) && innerDeepEqual(item, curB, false, memo);
}
function setEquiv(a, b, strict, memo) {
// This is a lazily initiated Set of entries which have to be compared
// pairwise.
var set = null;
var aValues = arrayFromSet(a);
for (var i = 0; i < aValues.length; i++) {
var val = aValues[i]; // Note: Checking for the objects first improves the performance for object
// heavy sets but it is a minor slow down for primitives. As they are fast
// to check this improves the worst case scenario instead.
if (_typeof(val) === 'object' && val !== null) {
if (set === null) {
set = new Set();
} // If the specified value doesn't exist in the second set its an not null
// object (or non strict only: a not matching primitive) we'll need to go
// hunting for something thats deep-(strict-)equal to it. To make this
// O(n log n) complexity we have to copy these values in a new set first.
set.add(val);
} else if (!b.has(val)) {
if (strict) return false; // Fast path to detect missing string, symbol, undefined and null values.
if (!setMightHaveLoosePrim(a, b, val)) {
return false;
}
if (set === null) {
set = new Set();
}
set.add(val);
}
}
if (set !== null) {
var bValues = arrayFromSet(b);
for (var _i = 0; _i < bValues.length; _i++) {
var _val = bValues[_i]; // We have to check if a primitive value is already
// matching and only if it's not, go hunting for it.
if (_typeof(_val) === 'object' && _val !== null) {
if (!setHasEqualElement(set, _val, strict, memo)) return false;
} else if (!strict && !a.has(_val) && !setHasEqualElement(set, _val, strict, memo)) {
return false;
}
}
return set.size === 0;
}
return true;
}
function mapHasEqualEntry(set, map, key1, item1, strict, memo) {
// To be able to handle cases like:
// Map([[{}, 'a'], [{}, 'b']]) vs Map([[{}, 'b'], [{}, 'a']])
// ... we need to consider *all* matching keys, not just the first we find.
var setValues = arrayFromSet(set);
for (var i = 0; i < setValues.length; i++) {
var key2 = setValues[i];
if (innerDeepEqual(key1, key2, strict, memo) && innerDeepEqual(item1, map.get(key2), strict, memo)) {
set.delete(key2);
return true;
}
}
return false;
}
function mapEquiv(a, b, strict, memo) {
var set = null;
var aEntries = arrayFromMap(a);
for (var i = 0; i < aEntries.length; i++) {
var _aEntries$i = _slicedToArray(aEntries[i], 2),
key = _aEntries$i[0],
item1 = _aEntries$i[1];
if (_typeof(key) === 'object' && key !== null) {
if (set === null) {
set = new Set();
}
set.add(key);
} else {
// By directly retrieving the value we prevent another b.has(key) check in
// almost all possible cases.
var item2 = b.get(key);
if (item2 === undefined && !b.has(key) || !innerDeepEqual(item1, item2, strict, memo)) {
if (strict) return false; // Fast path to detect missing string, symbol, undefined and null
// keys.
if (!mapMightHaveLoosePrim(a, b, key, item1, memo)) return false;
if (set === null) {
set = new Set();
}
set.add(key);
}
}
}
if (set !== null) {
var bEntries = arrayFromMap(b);
for (var _i2 = 0; _i2 < bEntries.length; _i2++) {
var _bEntries$_i = _slicedToArray(bEntries[_i2], 2),
key = _bEntries$_i[0],
item = _bEntries$_i[1];
if (_typeof(key) === 'object' && key !== null) {
if (!mapHasEqualEntry(set, a, key, item, strict, memo)) return false;
} else if (!strict && (!a.has(key) || !innerDeepEqual(a.get(key), item, false, memo)) && !mapHasEqualEntry(set, a, key, item, false, memo)) {
return false;
}
}
return set.size === 0;
}
return true;
}
function objEquiv(a, b, strict, keys, memos, iterationType) {
// Sets and maps don't have their entries accessible via normal object
// properties.
var i = 0;
if (iterationType === kIsSet) {
if (!setEquiv(a, b, strict, memos)) {
return false;
}
} else if (iterationType === kIsMap) {
if (!mapEquiv(a, b, strict, memos)) {
return false;
}
} else if (iterationType === kIsArray) {
for (; i < a.length; i++) {
if (hasOwnProperty(a, i)) {
if (!hasOwnProperty(b, i) || !innerDeepEqual(a[i], b[i], strict, memos)) {
return false;
}
} else if (hasOwnProperty(b, i)) {
return false;
} else {
// Array is sparse.
var keysA = Object.keys(a);
for (; i < keysA.length; i++) {
var key = keysA[i];
if (!hasOwnProperty(b, key) || !innerDeepEqual(a[key], b[key], strict, memos)) {
return false;
}
}
if (keysA.length !== Object.keys(b).length) {
return false;
}
return true;
}
}
} // The pair must have equivalent values for every corresponding key.
// Possibly expensive deep test:
for (i = 0; i < keys.length; i++) {
var _key = keys[i];
if (!innerDeepEqual(a[_key], b[_key], strict, memos)) {
return false;
}
}
return true;
}
function isDeepEqual(val1, val2) {
return innerDeepEqual(val1, val2, kLoose);
}
function isDeepStrictEqual(val1, val2) {
return innerDeepEqual(val1, val2, kStrict);
}
module.exports = {
isDeepEqual: isDeepEqual,
isDeepStrictEqual: isDeepStrictEqual
};

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@ -0,0 +1,79 @@
{
"_args": [
[
"assert@2.0.0",
"/home/brian/git_test/get_my"
]
],
"_from": "assert@2.0.0",
"_id": "assert@2.0.0",
"_inBundle": true,
"_integrity": "sha512-se5Cd+js9dXJnu6Ag2JFc00t+HmHOen+8Q+L7O9zI0PqQXr20uk2J0XQqMxZEeo5U50o8Nvmmx7dZrl+Ufr35A==",
"_location": "/meteor-node-stubs/assert",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "assert@2.0.0",
"name": "assert",
"escapedName": "assert",
"rawSpec": "2.0.0",
"saveSpec": null,
"fetchSpec": "2.0.0"
},
"_requiredBy": [
"/meteor-node-stubs"
],
"_resolved": false,
"_spec": "2.0.0",
"_where": "/home/brian/git_test/get_my",
"bugs": {
"url": "https://github.com/browserify/commonjs-assert/issues"
},
"dependencies": {
"es6-object-assign": "^1.1.0",
"is-nan": "^1.2.1",
"object-is": "^1.0.1",
"util": "^0.12.0"
},
"description": "The assert module from Node.js, for the browser.",
"devDependencies": {
"@babel/cli": "^7.4.4",
"@babel/core": "^7.4.4",
"@babel/preset-env": "^7.4.4",
"airtap": "^2.0.2",
"array-fill": "^1.2.0",
"core-js": "^3.0.1",
"cross-env": "^5.2.0",
"object.entries": "^1.1.0",
"object.getownpropertydescriptors": "^2.0.3",
"tape": "^4.10.1"
},
"files": [
"build/assert.js",
"build/internal"
],
"homepage": "https://github.com/browserify/commonjs-assert",
"keywords": [
"assert",
"browser"
],
"license": "MIT",
"main": "build/assert.js",
"name": "assert",
"repository": {
"type": "git",
"url": "git+https://github.com/browserify/commonjs-assert.git"
},
"scripts": {
"build": "babel assert.js test.js --out-dir build && babel internal --out-dir build/internal && babel test --out-dir build/test",
"dev": "babel assert.js test.js --watch --out-dir build & babel internal --watch --out-dir build/internal & babel test --watch --out-dir build/test",
"prepare": "npm run build",
"test": "npm run build && npm run test:nobuild",
"test:browsers": "airtap build/test.js",
"test:browsers:local": "npm run test:browsers -- --local",
"test:nobuild": "node build/test.js",
"test:source": "node test.js"
},
"version": "2.0.0"
}

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coverage/

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@ -0,0 +1,5 @@
{
"root": true,
"extends": "@ljharb",
}

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@ -0,0 +1,12 @@
# These are supported funding model platforms
github: [ljharb]
patreon: # Replace with a single Patreon username
open_collective: # Replace with a single Open Collective username
ko_fi: # Replace with a single Ko-fi username
tidelift: npm/available-typed-arrays
community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
otechie: # Replace with a single Otechie username
custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

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@ -0,0 +1,9 @@
{
"all": true,
"check-coverage": false,
"reporter": ["text-summary", "text", "html", "json"],
"exclude": [
"coverage",
"test"
]
}

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@ -0,0 +1,69 @@
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [v1.0.4](https://github.com/inspect-js/available-typed-arrays/compare/v1.0.3...v1.0.4) - 2021-05-25
### Commits
- [Refactor] Remove `array.prototype.filter` dependency [`f39c90e`](https://github.com/inspect-js/available-typed-arrays/commit/f39c90ecb1907de28ee2d3577b7da37ae12aac56)
- [Dev Deps] update `eslint`, `auto-changelog` [`b2e3a03`](https://github.com/inspect-js/available-typed-arrays/commit/b2e3a035e8cd3ddfd7b565249e1651c6419a34d0)
- [meta] create `FUNDING.yml` [`8c0e758`](https://github.com/inspect-js/available-typed-arrays/commit/8c0e758c6ec80adbb3770554653cdc3aa16beb55)
- [Tests] fix harmony test matrix [`ef96549`](https://github.com/inspect-js/available-typed-arrays/commit/ef96549df171776267529413240a2219cb59d5ce)
- [meta] add `sideEffects` flag [`288cca0`](https://github.com/inspect-js/available-typed-arrays/commit/288cca0fbd214bec706447851bb8bccc4b899a48)
## [v1.0.3](https://github.com/inspect-js/available-typed-arrays/compare/v1.0.2...v1.0.3) - 2021-05-19
### Commits
- [Tests] migrate tests to Github Actions [`3ef082c`](https://github.com/inspect-js/available-typed-arrays/commit/3ef082caaa153b49f4c37c85bbd5c4b13fe4f638)
- [meta] do not publish github action workflow files [`fd95ffd`](https://github.com/inspect-js/available-typed-arrays/commit/fd95ffdaca759eca81cb4c5d5772ee863dfea501)
- [actions] use `node/install` instead of `node/run`; use `codecov` action [`eb6bd65`](https://github.com/inspect-js/available-typed-arrays/commit/eb6bd659a31c92a6a178c71a89fe0d5261413e6c)
- [Tests] run `nyc` on all tests [`636c946`](https://github.com/inspect-js/available-typed-arrays/commit/636c94657b532599ef90a214aaa12639d11b0161)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`70a3b61`](https://github.com/inspect-js/available-typed-arrays/commit/70a3b61367b318fb883c2f35b8f2d539849a23b6)
- [actions] add "Allow Edits" workflow [`bd09c45`](https://github.com/inspect-js/available-typed-arrays/commit/bd09c45299e396fa5bbd5be4c58b1aedcb372a82)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `array.prototype.every`, `aud`, `tape` [`8f97523`](https://github.com/inspect-js/available-typed-arrays/commit/8f9752308390a79068cd431436bbfd77bca15647)
- [readme] fix URLs [`75418e2`](https://github.com/inspect-js/available-typed-arrays/commit/75418e20b57f4ad5e65d8c2e1864efd14eaa2e65)
- [readme] add actions and codecov badges [`4a8bc30`](https://github.com/inspect-js/available-typed-arrays/commit/4a8bc30af2ce1f48e2b28ab3db5be9589bd6f2d0)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud` [`65198ac`](https://github.com/inspect-js/available-typed-arrays/commit/65198ace335a013ef49b6bd722bc80bbbc6be784)
- [actions] update workflows [`7f816eb`](https://github.com/inspect-js/available-typed-arrays/commit/7f816eb231131e53ced2572ba6c6c6a00f975789)
- [Refactor] use `array.prototype.filter` instead of `array-filter` [`2dd1038`](https://github.com/inspect-js/available-typed-arrays/commit/2dd1038d71ce48b5650687691cf8fe09795a6d30)
- [actions] switch Automatic Rease workflow to `pull_request_target` event [`9b45e91`](https://github.com/inspect-js/available-typed-arrays/commit/9b45e914fcb08bdaaaa0166b41716e51f400d1c6)
- [Dev Deps] update `auto-changelog`, `tape` [`0003a5b`](https://github.com/inspect-js/available-typed-arrays/commit/0003a5b122a0724db5499c114104eeeb396b2f67)
- [meta] use `prepublishOnly` script for npm 7+ [`d884dd1`](https://github.com/inspect-js/available-typed-arrays/commit/d884dd1c1117411f35d9fbc07f513a1a85ccdead)
- [readme] remove travis badge [`9da2b3c`](https://github.com/inspect-js/available-typed-arrays/commit/9da2b3c29706340fada995137aba12cfae4d6f37)
- [Dev Deps] update `auto-changelog`; add `aud` [`41b1336`](https://github.com/inspect-js/available-typed-arrays/commit/41b13369c71b0e3e57b9de0f4fb1e4d67950d74a)
- [Tests] only audit prod deps [`2571826`](https://github.com/inspect-js/available-typed-arrays/commit/2571826a5d121eeeeccf4c711e3f9e4616685d50)
## [v1.0.2](https://github.com/inspect-js/available-typed-arrays/compare/v1.0.1...v1.0.2) - 2020-01-26
### Commits
- [actions] add automatic rebasing / merge commit blocking [`3229a74`](https://github.com/inspect-js/available-typed-arrays/commit/3229a74bda60f24e2257efc40ddff9a3ce98de76)
- [Dev Deps] update `@ljharb/eslint-config` [`9579abe`](https://github.com/inspect-js/available-typed-arrays/commit/9579abecc196088561d3aedf27cad45b56f8e18b)
- [Fix] remove `require` condition to avoid experimental warning [`2cade6b`](https://github.com/inspect-js/available-typed-arrays/commit/2cade6b56d6a508a950c7da27d038bee496e716b)
## [v1.0.1](https://github.com/inspect-js/available-typed-arrays/compare/v1.0.0...v1.0.1) - 2020-01-24
### Commits
- [meta] add "exports" [`5942917`](https://github.com/inspect-js/available-typed-arrays/commit/5942917aafb56c6bce80f01b7ae6a9b46bc72c69)
## v1.0.0 - 2020-01-24
### Commits
- Initial commit [`2bc5144`](https://github.com/inspect-js/available-typed-arrays/commit/2bc514459c9f65756adfbd9964abf433183d78f6)
- readme [`31e4796`](https://github.com/inspect-js/available-typed-arrays/commit/31e4796379eba4a16d3c6a8e9baf6eb3f39e33d1)
- npm init [`9194266`](https://github.com/inspect-js/available-typed-arrays/commit/9194266b471a2a2dd5e6969bc40358ceb346e21e)
- Tests [`b539830`](https://github.com/inspect-js/available-typed-arrays/commit/b539830c3213f90de42b4d6e62803f52daf61a6d)
- Implementation [`6577df2`](https://github.com/inspect-js/available-typed-arrays/commit/6577df244ea146ef5ec16858044c8955e0fc445c)
- [meta] add `auto-changelog` [`7b43310`](https://github.com/inspect-js/available-typed-arrays/commit/7b43310be76f00fe60b74a2fd6d0e46ac1d01f3e)
- [Tests] add `npm run lint` [`dedfbc1`](https://github.com/inspect-js/available-typed-arrays/commit/dedfbc1592f86ac1636267d3965f2345df43815b)
- [Tests] use shared travis-ci configs [`c459d78`](https://github.com/inspect-js/available-typed-arrays/commit/c459d78bf2efa9d777f88599ae71a796dbfcb70f)
- Only apps should have lockfiles [`d294668`](https://github.com/inspect-js/available-typed-arrays/commit/d294668422cf35f5e7716a85bfd204e62b01c056)
- [meta] add `funding` field [`6e70bc1`](https://github.com/inspect-js/available-typed-arrays/commit/6e70bc1fb199c7898165aaf05c25bb49f4062e53)
- [meta] add `safe-publish-latest` [`dd89ca2`](https://github.com/inspect-js/available-typed-arrays/commit/dd89ca2c6842f0f3e82958df2b2bd0fc0c929c51)

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MIT License
Copyright (c) 2020 Inspect JS
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# available-typed-arrays <sup>[![Version Badge][2]][1]</sup>
[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![dependency status][5]][6]
[![dev dependency status][7]][8]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][11]][1]
Returns an array of Typed Array names that are available in the current environment.
## Example
```js
var availableTypedArrays = require('available-typed-arrays');
var assert = require('assert');
assert.deepStrictEqual(availableTypedArrays(), [
'Int8Array',
'Uint8Array',
'Uint8ClampedArray',
'Int16Array',
'Uint16Array',
'Int32Array',
'Uint32Array',
'Float32Array',
'Float64Array',
'BigInt64Array',
'BigUint64Array'
].sort());
```
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[1]: https://npmjs.org/package/available-typed-arrays
[2]: https://versionbadg.es/inspect-js/available-typed-arrays.svg
[5]: https://david-dm.org/inspect-js/available-typed-arrays.svg
[6]: https://david-dm.org/inspect-js/available-typed-arrays
[7]: https://david-dm.org/inspect-js/available-typed-arrays/dev-status.svg
[8]: https://david-dm.org/inspect-js/available-typed-arrays#info=devDependencies
[11]: https://nodei.co/npm/available-typed-arrays.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/available-typed-arrays.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/available-typed-arrays.svg
[downloads-url]: https://npm-stat.com/charts.html?package=available-typed-arrays
[codecov-image]: https://codecov.io/gh/inspect-js/available-typed-arrays/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/inspect-js/available-typed-arrays/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/available-typed-arrays
[actions-url]: https://github.com/inspect-js/available-typed-arrays/actions

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'use strict';
var possibleNames = [
'BigInt64Array',
'BigUint64Array',
'Float32Array',
'Float64Array',
'Int16Array',
'Int32Array',
'Int8Array',
'Uint16Array',
'Uint32Array',
'Uint8Array',
'Uint8ClampedArray'
];
module.exports = function availableTypedArrays() {
var out = [];
for (var i = 0; i < possibleNames.length; i++) {
if (typeof global[possibleNames[i]] === 'function') {
out[out.length] = possibleNames[i];
}
}
return out;
};

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{
"_args": [
[
"available-typed-arrays@1.0.4",
"/home/brian/git_test/get_my"
]
],
"_from": "available-typed-arrays@1.0.4",
"_id": "available-typed-arrays@1.0.4",
"_inBundle": true,
"_integrity": "sha512-SA5mXJWrId1TaQjfxUYghbqQ/hYioKmLJvPJyDuYRtXXenFNMjj4hSSt1Cf1xsuXSXrtxrVC5Ot4eU6cOtBDdA==",
"_location": "/meteor-node-stubs/available-typed-arrays",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "available-typed-arrays@1.0.4",
"name": "available-typed-arrays",
"escapedName": "available-typed-arrays",
"rawSpec": "1.0.4",
"saveSpec": null,
"fetchSpec": "1.0.4"
},
"_requiredBy": [
"/meteor-node-stubs/is-typed-array",
"/meteor-node-stubs/which-typed-array"
],
"_resolved": false,
"_spec": "1.0.4",
"_where": "/home/brian/git_test/get_my",
"author": {
"name": "Jordan Harband",
"email": "ljharb@gmail.com"
},
"auto-changelog": {
"output": "CHANGELOG.md",
"template": "keepachangelog",
"unreleased": false,
"commitLimit": false,
"backfillLimit": false,
"hideCredit": true
},
"bugs": {
"url": "https://github.com/inspect-js/available-typed-arrays/issues"
},
"description": "Returns an array of Typed Array names that are available in the current environment",
"devDependencies": {
"@ljharb/eslint-config": "^17.6.0",
"array.prototype.every": "^1.1.2",
"aud": "^1.1.5",
"auto-changelog": "^2.3.0",
"eslint": "^7.27.0",
"evalmd": "^0.0.19",
"isarray": "^2.0.5",
"nyc": "^10.3.2",
"safe-publish-latest": "^1.1.4",
"tape": "^5.2.2"
},
"engines": {
"node": ">= 0.4"
},
"exports": {
".": [
{
"default": "./index.js"
},
"./index.js"
],
"./package": "./package.json",
"./package.json": "./package.json"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"homepage": "https://github.com/inspect-js/available-typed-arrays#readme",
"keywords": [
"typed",
"arrays",
"Float32Array",
"Float64Array",
"Int8Array",
"Int16Array",
"Int32Array",
"Uint8Array",
"Uint8ClampedArray",
"Uint16Array",
"Uint32Array",
"BigInt64Array",
"BigUint64Array"
],
"license": "MIT",
"main": "index.js",
"name": "available-typed-arrays",
"repository": {
"type": "git",
"url": "git+https://github.com/inspect-js/available-typed-arrays.git"
},
"scripts": {
"lint": "eslint --ext=js,mjs .",
"posttest": "aud --production",
"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\"",
"prelint": "evalmd README.md",
"prepublish": "not-in-publish || npm run prepublishOnly",
"prepublishOnly": "safe-publish-latest",
"pretest": "npm run lint",
"test": "npm run tests-only && npm run test:harmony",
"test:harmony": "nyc node --harmony --es-staging test",
"tests-only": "nyc tape 'test/**/*.js'",
"version": "auto-changelog && git add CHANGELOG.md"
},
"sideEffects": false,
"type": "commonjs",
"version": "1.0.4"
}

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'use strict';
var test = require('tape');
var isArray = require('isarray');
var every = require('array.prototype.every');
var availableTypedArrays = require('../');
test('available typed arrays', function (t) {
t.equal(typeof availableTypedArrays, 'function', 'is a function');
var arrays = availableTypedArrays();
t.equal(isArray(arrays), true, 'returns an array');
t.equal(every(arrays, function (array) { return typeof array === 'string'; }), true, 'contains only strings');
t.end();
});

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The MIT License (MIT)
Copyright (c) 2014 Jameson Little
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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base64-js
=========
`base64-js` does basic base64 encoding/decoding in pure JS.
[![build status](https://secure.travis-ci.org/beatgammit/base64-js.png)](http://travis-ci.org/beatgammit/base64-js)
Many browsers already have base64 encoding/decoding functionality, but it is for text data, not all-purpose binary data.
Sometimes encoding/decoding binary data in the browser is useful, and that is what this module does.
## install
With [npm](https://npmjs.org) do:
`npm install base64-js` and `var base64js = require('base64-js')`
For use in web browsers do:
`<script src="base64js.min.js"></script>`
[Get supported base64-js with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-base64-js?utm_source=npm-base64-js&utm_medium=referral&utm_campaign=readme)
## methods
`base64js` has three exposed functions, `byteLength`, `toByteArray` and `fromByteArray`, which both take a single argument.
* `byteLength` - Takes a base64 string and returns length of byte array
* `toByteArray` - Takes a base64 string and returns a byte array
* `fromByteArray` - Takes a byte array and returns a base64 string
## license
MIT

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@ -0,0 +1 @@
(function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,b.base64js=a()}})(function(){return function(){function b(d,e,g){function a(j,i){if(!e[j]){if(!d[j]){var f="function"==typeof require&&require;if(!i&&f)return f(j,!0);if(h)return h(j,!0);var c=new Error("Cannot find module '"+j+"'");throw c.code="MODULE_NOT_FOUND",c}var k=e[j]={exports:{}};d[j][0].call(k.exports,function(b){var c=d[j][1][b];return a(c||b)},k,k.exports,b,d,e,g)}return e[j].exports}for(var h="function"==typeof require&&require,c=0;c<g.length;c++)a(g[c]);return a}return b}()({"/":[function(a,b,c){'use strict';function d(a){var b=a.length;if(0<b%4)throw new Error("Invalid string. Length must be a multiple of 4");var c=a.indexOf("=");-1===c&&(c=b);var d=c===b?0:4-c%4;return[c,d]}function e(a,b,c){return 3*(b+c)/4-c}function f(a){var b,c,f=d(a),g=f[0],h=f[1],j=new m(e(a,g,h)),k=0,n=0<h?g-4:g;for(c=0;c<n;c+=4)b=l[a.charCodeAt(c)]<<18|l[a.charCodeAt(c+1)]<<12|l[a.charCodeAt(c+2)]<<6|l[a.charCodeAt(c+3)],j[k++]=255&b>>16,j[k++]=255&b>>8,j[k++]=255&b;return 2===h&&(b=l[a.charCodeAt(c)]<<2|l[a.charCodeAt(c+1)]>>4,j[k++]=255&b),1===h&&(b=l[a.charCodeAt(c)]<<10|l[a.charCodeAt(c+1)]<<4|l[a.charCodeAt(c+2)]>>2,j[k++]=255&b>>8,j[k++]=255&b),j}function g(a){return k[63&a>>18]+k[63&a>>12]+k[63&a>>6]+k[63&a]}function h(a,b,c){for(var d,e=[],f=b;f<c;f+=3)d=(16711680&a[f]<<16)+(65280&a[f+1]<<8)+(255&a[f+2]),e.push(g(d));return e.join("")}function j(a){for(var b,c=a.length,d=c%3,e=[],f=16383,g=0,j=c-d;g<j;g+=f)e.push(h(a,g,g+f>j?j:g+f));return 1===d?(b=a[c-1],e.push(k[b>>2]+k[63&b<<4]+"==")):2===d&&(b=(a[c-2]<<8)+a[c-1],e.push(k[b>>10]+k[63&b>>4]+k[63&b<<2]+"=")),e.join("")}c.byteLength=function(a){var b=d(a),c=b[0],e=b[1];return 3*(c+e)/4-e},c.toByteArray=f,c.fromByteArray=j;for(var k=[],l=[],m="undefined"==typeof Uint8Array?Array:Uint8Array,n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",o=0,p=n.length;o<p;++o)k[o]=n[o],l[n.charCodeAt(o)]=o;l[45]=62,l[95]=63},{}]},{},[])("/")});

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export function byteLength(b64: string): number;
export function toByteArray(b64: string): Uint8Array;
export function fromByteArray(uint8: Uint8Array): string;

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'use strict'
exports.byteLength = byteLength
exports.toByteArray = toByteArray
exports.fromByteArray = fromByteArray
var lookup = []
var revLookup = []
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
for (var i = 0, len = code.length; i < len; ++i) {
lookup[i] = code[i]
revLookup[code.charCodeAt(i)] = i
}
// Support decoding URL-safe base64 strings, as Node.js does.
// See: https://en.wikipedia.org/wiki/Base64#URL_applications
revLookup['-'.charCodeAt(0)] = 62
revLookup['_'.charCodeAt(0)] = 63
function getLens (b64) {
var len = b64.length
if (len % 4 > 0) {
throw new Error('Invalid string. Length must be a multiple of 4')
}
// Trim off extra bytes after placeholder bytes are found
// See: https://github.com/beatgammit/base64-js/issues/42
var validLen = b64.indexOf('=')
if (validLen === -1) validLen = len
var placeHoldersLen = validLen === len
? 0
: 4 - (validLen % 4)
return [validLen, placeHoldersLen]
}
// base64 is 4/3 + up to two characters of the original data
function byteLength (b64) {
var lens = getLens(b64)
var validLen = lens[0]
var placeHoldersLen = lens[1]
return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}
function _byteLength (b64, validLen, placeHoldersLen) {
return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}
function toByteArray (b64) {
var tmp
var lens = getLens(b64)
var validLen = lens[0]
var placeHoldersLen = lens[1]
var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))
var curByte = 0
// if there are placeholders, only get up to the last complete 4 chars
var len = placeHoldersLen > 0
? validLen - 4
: validLen
var i
for (i = 0; i < len; i += 4) {
tmp =
(revLookup[b64.charCodeAt(i)] << 18) |
(revLookup[b64.charCodeAt(i + 1)] << 12) |
(revLookup[b64.charCodeAt(i + 2)] << 6) |
revLookup[b64.charCodeAt(i + 3)]
arr[curByte++] = (tmp >> 16) & 0xFF
arr[curByte++] = (tmp >> 8) & 0xFF
arr[curByte++] = tmp & 0xFF
}
if (placeHoldersLen === 2) {
tmp =
(revLookup[b64.charCodeAt(i)] << 2) |
(revLookup[b64.charCodeAt(i + 1)] >> 4)
arr[curByte++] = tmp & 0xFF
}
if (placeHoldersLen === 1) {
tmp =
(revLookup[b64.charCodeAt(i)] << 10) |
(revLookup[b64.charCodeAt(i + 1)] << 4) |
(revLookup[b64.charCodeAt(i + 2)] >> 2)
arr[curByte++] = (tmp >> 8) & 0xFF
arr[curByte++] = tmp & 0xFF
}
return arr
}
function tripletToBase64 (num) {
return lookup[num >> 18 & 0x3F] +
lookup[num >> 12 & 0x3F] +
lookup[num >> 6 & 0x3F] +
lookup[num & 0x3F]
}
function encodeChunk (uint8, start, end) {
var tmp
var output = []
for (var i = start; i < end; i += 3) {
tmp =
((uint8[i] << 16) & 0xFF0000) +
((uint8[i + 1] << 8) & 0xFF00) +
(uint8[i + 2] & 0xFF)
output.push(tripletToBase64(tmp))
}
return output.join('')
}
function fromByteArray (uint8) {
var tmp
var len = uint8.length
var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
var parts = []
var maxChunkLength = 16383 // must be multiple of 3
// go through the array every three bytes, we'll deal with trailing stuff later
for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
}
// pad the end with zeros, but make sure to not forget the extra bytes
if (extraBytes === 1) {
tmp = uint8[len - 1]
parts.push(
lookup[tmp >> 2] +
lookup[(tmp << 4) & 0x3F] +
'=='
)
} else if (extraBytes === 2) {
tmp = (uint8[len - 2] << 8) + uint8[len - 1]
parts.push(
lookup[tmp >> 10] +
lookup[(tmp >> 4) & 0x3F] +
lookup[(tmp << 2) & 0x3F] +
'='
)
}
return parts.join('')
}

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{
"_args": [
[
"base64-js@1.5.1",
"/home/brian/git_test/get_my"
]
],
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"_location": "/meteor-node-stubs/base64-js",
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],
"_resolved": false,
"_spec": "1.5.1",
"_where": "/home/brian/git_test/get_my",
"author": {
"name": "T. Jameson Little",
"email": "t.jameson.little@gmail.com"
},
"bugs": {
"url": "https://github.com/beatgammit/base64-js/issues"
},
"description": "Base64 encoding/decoding in pure JS",
"devDependencies": {
"babel-minify": "^0.5.1",
"benchmark": "^2.1.4",
"browserify": "^16.3.0",
"standard": "*",
"tape": "4.x"
},
"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/feross"
},
{
"type": "patreon",
"url": "https://www.patreon.com/feross"
},
{
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"url": "https://feross.org/support"
}
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"keywords": [
"base64"
],
"license": "MIT",
"main": "index.js",
"name": "base64-js",
"repository": {
"type": "git",
"url": "git://github.com/beatgammit/base64-js.git"
},
"scripts": {
"build": "browserify -s base64js -r ./ | minify > base64js.min.js",
"lint": "standard",
"test": "npm run lint && npm run unit",
"unit": "tape test/*.js"
},
"typings": "index.d.ts",
"version": "1.5.1"
}

View file

@ -0,0 +1,51 @@
5.2.0 / 2021-02-23
------------------
- fix: Buffer not using global in browser (#260)
- Fix LE constructor for HEX (#265)
5.1.3 / 2020-08-14
------------------
- Add support for defined but not implemented Symbol.for (#252)
5.1.2 / 2020-05-20
------------------
- Fix BN v5/v4 interoperability issue (#249)
5.1.1 / 2019-12-24
------------------
- Temporary workaround for BN#_move (#236)
- Add eslintrc instead config in package.json (#237)
5.1.0 / 2019-12-23
------------------
- Benchmark for BigInt (#226)
- Add documentation for max/min (#232)
- Update BN#inspect for Symbols (#225)
- Improve performance of toArrayLike (#222)
- temporary disable jumboMulTo in BN#mulTo (#221)
- optimize toBitArray function (#212)
- fix iaddn sign issue (#216)
5.0.0 / 2019-07-04
------------------
- travis: update node versions (#205)
- Refactor buffer constructor (#200)
- lib: fix for negative numbers: imuln, modrn, idivn (#185)
- bn: fix Red#imod (#178)
- check unexpected high bits for invalid characters (#173)
- document support very large integers (#158)
- only define toBuffer if Buffer is defined (#172)
- lib: better validation of string input (#151)
- tests: reject decimal input in constructor (#91)
- bn: make .strip() an internal method (#105)
- lib: deprecate `.modn()` introduce `.modrn()` (#112 #129 #130)
- bn: don't accept invalid characters (#141)
- package: use `files` insteadof `.npmignore` (#152)
- bn: improve allocation speed for buffers (#167)
- toJSON to default to interoperable hex (length % 2) (#164)

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@ -0,0 +1,19 @@
Copyright Fedor Indutny, 2015.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -0,0 +1,208 @@
# <img src="./logo.png" alt="bn.js" width="160" height="160" />
> BigNum in pure javascript
[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
## Install
`npm install --save bn.js`
## Usage
```js
const BN = require('bn.js');
var a = new BN('dead', 16);
var b = new BN('101010', 2);
var res = a.add(b);
console.log(res.toString(10)); // 57047
```
**Note**: decimals are not supported in this library.
## Notation
### Prefixes
There are several prefixes to instructions that affect the way the work. Here
is the list of them in the order of appearance in the function name:
* `i` - perform operation in-place, storing the result in the host object (on
which the method was invoked). Might be used to avoid number allocation costs
* `u` - unsigned, ignore the sign of operands when performing operation, or
always return positive value. Second case applies to reduction operations
like `mod()`. In such cases if the result will be negative - modulo will be
added to the result to make it positive
### Postfixes
* `n` - the argument of the function must be a plain JavaScript
Number. Decimals are not supported.
* `rn` - both argument and return value of the function are plain JavaScript
Numbers. Decimals are not supported.
### Examples
* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
* `a.iushln(13)` - shift bits of `a` left by 13
## Instructions
Prefixes/postfixes are put in parens at the of the line. `endian` - could be
either `le` (little-endian) or `be` (big-endian).
### Utilities
* `a.clone()` - clone number
* `a.toString(base, length)` - convert to base-string and pad with zeroes
* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
pad to length, throwing if already exceeding
* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
which must behave like an `Array`
* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
compatibility with browserify and similar tools, use this instead:
`a.toArrayLike(Buffer, endian, length)`
* `a.bitLength()` - get number of bits occupied
* `a.zeroBits()` - return number of less-significant consequent zero bits
(example: `1010000` has 4 zero bits)
* `a.byteLength()` - return number of bytes occupied
* `a.isNeg()` - true if the number is negative
* `a.isEven()` - no comments
* `a.isOdd()` - no comments
* `a.isZero()` - no comments
* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
depending on the comparison result (`ucmp`, `cmpn`)
* `a.lt(b)` - `a` less than `b` (`n`)
* `a.lte(b)` - `a` less than or equals `b` (`n`)
* `a.gt(b)` - `a` greater than `b` (`n`)
* `a.gte(b)` - `a` greater than or equals `b` (`n`)
* `a.eq(b)` - `a` equals `b` (`n`)
* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
* `BN.max(a, b)` - return `a` if `a` bigger than `b`
* `BN.min(a, b)` - return `a` if `a` less than `b`
### Arithmetics
* `a.neg()` - negate sign (`i`)
* `a.abs()` - absolute value (`i`)
* `a.add(b)` - addition (`i`, `n`, `in`)
* `a.sub(b)` - subtraction (`i`, `n`, `in`)
* `a.mul(b)` - multiply (`i`, `n`, `in`)
* `a.sqr()` - square (`i`)
* `a.pow(b)` - raise `a` to the power of `b`
* `a.div(b)` - divide (`divn`, `idivn`)
* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
* `a.divmod(b)` - quotient and modulus obtained by dividing
* `a.divRound(b)` - rounded division
### Bit operations
* `a.or(b)` - or (`i`, `u`, `iu`)
* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
with `andn` in future)
* `a.xor(b)` - xor (`i`, `u`, `iu`)
* `a.setn(b, value)` - set specified bit to `value`
* `a.shln(b)` - shift left (`i`, `u`, `iu`)
* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
* `a.testn(b)` - test if specified bit is set
* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
* `a.bincn(b)` - add `1 << b` to the number
* `a.notn(w)` - not (for the width specified by `w`) (`i`)
### Reduction
* `a.gcd(b)` - GCD
* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
* `a.invm(b)` - inverse `a` modulo `b`
## Fast reduction
When doing lots of reductions using the same modulo, it might be beneficial to
use some tricks: like [Montgomery multiplication][0], or using special algorithm
for [Mersenne Prime][1].
### Reduction context
To enable this tricks one should create a reduction context:
```js
var red = BN.red(num);
```
where `num` is just a BN instance.
Or:
```js
var red = BN.red(primeName);
```
Where `primeName` is either of these [Mersenne Primes][1]:
* `'k256'`
* `'p224'`
* `'p192'`
* `'p25519'`
Or:
```js
var red = BN.mont(num);
```
To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
`.red(num)`, but slower than `BN.red(primeName)`.
### Converting numbers
Before performing anything in reduction context - numbers should be converted
to it. Usually, this means that one should:
* Convert inputs to reducted ones
* Operate on them in reduction context
* Convert outputs back from the reduction context
Here is how one may convert numbers to `red`:
```js
var redA = a.toRed(red);
```
Where `red` is a reduction context created using instructions above
Here is how to convert them back:
```js
var a = redA.fromRed();
```
### Red instructions
Most of the instructions from the very start of this readme have their
counterparts in red context:
* `a.redAdd(b)`, `a.redIAdd(b)`
* `a.redSub(b)`, `a.redISub(b)`
* `a.redShl(num)`
* `a.redMul(b)`, `a.redIMul(b)`
* `a.redSqr()`, `a.redISqr()`
* `a.redSqrt()` - square root modulo reduction context's prime
* `a.redInvm()` - modular inverse of the number
* `a.redNeg()`
* `a.redPow(b)` - modular exponentiation
### Number Size
Optimized for elliptic curves that work with 256-bit numbers.
There is no limitation on the size of the numbers.
## LICENSE
This software is licensed under the MIT License.
[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
[1]: https://en.wikipedia.org/wiki/Mersenne_prime

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{
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"bn.js@5.2.0",
"/home/brian/git_test/get_my"
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"author": {
"name": "Fedor Indutny",
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"bugs": {
"url": "https://github.com/indutny/bn.js/issues"
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"description": "Big number implementation in pure javascript",
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"test": "npm run lint && npm run unit",
"unit": "mocha --reporter=spec test/*-test.js"
},
"version": "5.2.0"
}

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node_modules/
npm-debug.log

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