Initial commit

node_modules/fast-check/lib/esm/arbitrary/option.js

@@ -0,0 +1,19 @@
+import { constant } from './constant.js';
+import { FrequencyArbitrary } from './_internals/FrequencyArbitrary.js';
+import { safeHasOwnProperty } from '../utils/globals.js';
+export function option(arb, constraints = {}) {
+    const freq = constraints.freq == null ? 5 : constraints.freq;
+    const nilValue = safeHasOwnProperty(constraints, 'nil') ? constraints.nil : null;
+    const nilArb = constant(nilValue);
+    const weightedArbs = [
+        { arbitrary: nilArb, weight: 1, fallbackValue: { default: nilValue } },
+        { arbitrary: arb, weight: freq },
+    ];
+    const frequencyConstraints = {
+        withCrossShrink: true,
+        depthSize: constraints.depthSize,
+        maxDepth: constraints.maxDepth,
+        depthIdentifier: constraints.depthIdentifier,
+    };
+    return FrequencyArbitrary.from(weightedArbs, frequencyConstraints, 'fc.option');
+}