Initial commit

node_modules/fast-check/lib/esm/arbitrary/_internals/WithShrinkFromOtherArbitrary.js

@@ -0,0 +1,39 @@
+import { Arbitrary } from '../../check/arbitrary/definition/Arbitrary.js';
+import { Value } from '../../check/arbitrary/definition/Value.js';
+function isSafeContext(context) {
+    return context !== undefined;
+}
+function toGeneratorValue(value) {
+    if (value.hasToBeCloned) {
+        return new Value(value.value_, { generatorContext: value.context }, () => value.value);
+    }
+    return new Value(value.value_, { generatorContext: value.context });
+}
+function toShrinkerValue(value) {
+    if (value.hasToBeCloned) {
+        return new Value(value.value_, { shrinkerContext: value.context }, () => value.value);
+    }
+    return new Value(value.value_, { shrinkerContext: value.context });
+}
+export class WithShrinkFromOtherArbitrary extends Arbitrary {
+    constructor(generatorArbitrary, shrinkerArbitrary) {
+        super();
+        this.generatorArbitrary = generatorArbitrary;
+        this.shrinkerArbitrary = shrinkerArbitrary;
+    }
+    generate(mrng, biasFactor) {
+        return toGeneratorValue(this.generatorArbitrary.generate(mrng, biasFactor));
+    }
+    canShrinkWithoutContext(value) {
+        return this.shrinkerArbitrary.canShrinkWithoutContext(value);
+    }
+    shrink(value, context) {
+        if (!isSafeContext(context)) {
+            return this.shrinkerArbitrary.shrink(value, undefined).map(toShrinkerValue);
+        }
+        if ('generatorContext' in context) {
+            return this.generatorArbitrary.shrink(value, context.generatorContext).map(toGeneratorValue);
+        }
+        return this.shrinkerArbitrary.shrink(value, context.shrinkerContext).map(toShrinkerValue);
+    }
+}