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fast-check

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Property based testing framework for JavaScript (like QuickCheck)

13 lines (12 loc) 709 B
import { array } from './array.js'; import { patternsToStringMapper, patternsToStringUnmapperFor } from './_internals/mappers/PatternsToString.js'; import { createSlicesForStringLegacy } from './_internals/helpers/SlicesForStringBuilder.js'; const safeObjectAssign = Object.assign; export function stringOf(charArb, constraints = {}) { const unmapper = patternsToStringUnmapperFor(charArb, constraints); const experimentalCustomSlices = createSlicesForStringLegacy(charArb, unmapper); const enrichedConstraints = safeObjectAssign(safeObjectAssign({}, constraints), { experimentalCustomSlices, }); return array(charArb, enrichedConstraints).map(patternsToStringMapper, unmapper); }