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backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/ArrayInt64.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Unit64 = exports.Zero64 = void 0;
+exports.isZero64 = isZero64;
+exports.isStrictlyNegative64 = isStrictlyNegative64;
+exports.isStrictlyPositive64 = isStrictlyPositive64;
+exports.isEqual64 = isEqual64;
+exports.isStrictlySmaller64 = isStrictlySmaller64;
+exports.clone64 = clone64;
+exports.substract64 = substract64;
+exports.negative64 = negative64;
+exports.add64 = add64;
+exports.halve64 = halve64;
+exports.logLike64 = logLike64;
+exports.Zero64 = { sign: 1, data: [0, 0] };
+exports.Unit64 = { sign: 1, data: [0, 1] };
+function isZero64(a) {
+    return a.data[0] === 0 && a.data[1] === 0;
+}
+function isStrictlyNegative64(a) {
+    return a.sign === -1 && !isZero64(a);
+}
+function isStrictlyPositive64(a) {
+    return a.sign === 1 && !isZero64(a);
+}
+function isEqual64(a, b) {
+    if (a.data[0] === b.data[0] && a.data[1] === b.data[1]) {
+        return a.sign === b.sign || (a.data[0] === 0 && a.data[1] === 0);
+    }
+    return false;
+}
+function isStrictlySmaller64Internal(a, b) {
+    return a[0] < b[0] || (a[0] === b[0] && a[1] < b[1]);
+}
+function isStrictlySmaller64(a, b) {
+    if (a.sign === b.sign) {
+        return a.sign === 1
+            ? isStrictlySmaller64Internal(a.data, b.data)
+            : isStrictlySmaller64Internal(b.data, a.data);
+    }
+    return a.sign === -1 && (!isZero64(a) || !isZero64(b));
+}
+function clone64(a) {
+    return { sign: a.sign, data: [a.data[0], a.data[1]] };
+}
+function substract64DataInternal(a, b) {
+    let reminderLow = 0;
+    let low = a[1] - b[1];
+    if (low < 0) {
+        reminderLow = 1;
+        low = low >>> 0;
+    }
+    return [a[0] - b[0] - reminderLow, low];
+}
+function substract64Internal(a, b) {
+    if (a.sign === 1 && b.sign === -1) {
+        const low = a.data[1] + b.data[1];
+        const high = a.data[0] + b.data[0] + (low > 0xffffffff ? 1 : 0);
+        return { sign: 1, data: [high >>> 0, low >>> 0] };
+    }
+    return {
+        sign: 1,
+        data: a.sign === 1 ? substract64DataInternal(a.data, b.data) : substract64DataInternal(b.data, a.data),
+    };
+}
+function substract64(arrayIntA, arrayIntB) {
+    if (isStrictlySmaller64(arrayIntA, arrayIntB)) {
+        const out = substract64Internal(arrayIntB, arrayIntA);
+        out.sign = -1;
+        return out;
+    }
+    return substract64Internal(arrayIntA, arrayIntB);
+}
+function negative64(arrayIntA) {
+    return {
+        sign: -arrayIntA.sign,
+        data: [arrayIntA.data[0], arrayIntA.data[1]],
+    };
+}
+function add64(arrayIntA, arrayIntB) {
+    if (isZero64(arrayIntB)) {
+        if (isZero64(arrayIntA)) {
+            return clone64(exports.Zero64);
+        }
+        return clone64(arrayIntA);
+    }
+    return substract64(arrayIntA, negative64(arrayIntB));
+}
+function halve64(a) {
+    return {
+        sign: a.sign,
+        data: [Math.floor(a.data[0] / 2), (a.data[0] % 2 === 1 ? 0x80000000 : 0) + Math.floor(a.data[1] / 2)],
+    };
+}
+function logLike64(a) {
+    return {
+        sign: a.sign,
+        data: [0, Math.floor(Math.log(a.data[0] * 0x100000000 + a.data[1]) / Math.log(2))],
+    };
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/BiasNumericRange.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.integerLogLike = integerLogLike;
+exports.bigIntLogLike = bigIntLogLike;
+exports.biasNumericRange = biasNumericRange;
+const globals_1 = require("../../../utils/globals");
+const safeMathFloor = Math.floor;
+const safeMathLog = Math.log;
+function integerLogLike(v) {
+    return safeMathFloor(safeMathLog(v) / safeMathLog(2));
+}
+function bigIntLogLike(v) {
+    if (v === (0, globals_1.BigInt)(0))
+        return (0, globals_1.BigInt)(0);
+    return (0, globals_1.BigInt)((0, globals_1.String)(v).length);
+}
+function biasNumericRange(min, max, logLike) {
+    if (min === max) {
+        return [{ min: min, max: max }];
+    }
+    if (min < 0 && max > 0) {
+        const logMin = logLike(-min);
+        const logMax = logLike(max);
+        return [
+            { min: -logMin, max: logMax },
+            { min: (max - logMax), max: max },
+            { min: min, max: min + logMin },
+        ];
+    }
+    const logGap = logLike((max - min));
+    const arbCloseToMin = { min: min, max: min + logGap };
+    const arbCloseToMax = { min: (max - logGap), max: max };
+    return min < 0
+        ? [arbCloseToMax, arbCloseToMin]
+        : [arbCloseToMin, arbCloseToMax];
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/BuildSchedulerFor.js

@@ -0,0 +1,24 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.buildSchedulerFor = buildSchedulerFor;
+const SchedulerImplem_1 = require("../implementations/SchedulerImplem");
+function buildNextTaskIndex(ordering) {
+    let numTasks = 0;
+    return {
+        clone: () => buildNextTaskIndex(ordering),
+        nextTaskIndex: (scheduledTasks) => {
+            if (ordering.length <= numTasks) {
+                throw new Error(`Invalid schedulerFor defined: too many tasks have been scheduled`);
+            }
+            const taskIndex = scheduledTasks.findIndex((t) => t.taskId === ordering[numTasks]);
+            if (taskIndex === -1) {
+                throw new Error(`Invalid schedulerFor defined: unable to find next task`);
+            }
+            ++numTasks;
+            return taskIndex;
+        },
+    };
+}
+function buildSchedulerFor(act, ordering) {
+    return new SchedulerImplem_1.SchedulerImplem(act, buildNextTaskIndex(ordering));
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/BuildSlicedGenerator.js

@@ -0,0 +1,11 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.buildSlicedGenerator = buildSlicedGenerator;
+const NoopSlicedGenerator_1 = require("../implementations/NoopSlicedGenerator");
+const SlicedBasedGenerator_1 = require("../implementations/SlicedBasedGenerator");
+function buildSlicedGenerator(arb, mrng, slices, biasFactor) {
+    if (biasFactor === undefined || slices.length === 0 || mrng.nextInt(1, biasFactor) !== 1) {
+        return new NoopSlicedGenerator_1.NoopSlicedGenerator(arb, mrng, biasFactor);
+    }
+    return new SlicedBasedGenerator_1.SlicedBasedGenerator(arb, mrng, slices, biasFactor);
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/CustomEqualSet.js

@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CustomEqualSet = void 0;
+const globals_1 = require("../../../utils/globals");
+class CustomEqualSet {
+    constructor(isEqual) {
+        this.isEqual = isEqual;
+        this.data = [];
+    }
+    tryAdd(value) {
+        for (let idx = 0; idx !== this.data.length; ++idx) {
+            if (this.isEqual(this.data[idx], value)) {
+                return false;
+            }
+        }
+        (0, globals_1.safePush)(this.data, value);
+        return true;
+    }
+    size() {
+        return this.data.length;
+    }
+    getData() {
+        return this.data;
+    }
+}
+exports.CustomEqualSet = CustomEqualSet;

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/DepthContext.js

@@ -0,0 +1,25 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getDepthContextFor = getDepthContextFor;
+exports.createDepthIdentifier = createDepthIdentifier;
+const globals_1 = require("../../../utils/globals");
+const depthContextCache = new Map();
+function getDepthContextFor(contextMeta) {
+    if (contextMeta === undefined) {
+        return { depth: 0 };
+    }
+    if (typeof contextMeta !== 'string') {
+        return contextMeta;
+    }
+    const cachedContext = (0, globals_1.safeMapGet)(depthContextCache, contextMeta);
+    if (cachedContext !== undefined) {
+        return cachedContext;
+    }
+    const context = { depth: 0 };
+    (0, globals_1.safeMapSet)(depthContextCache, contextMeta, context);
+    return context;
+}
+function createDepthIdentifier() {
+    const identifier = { depth: 0 };
+    return identifier;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/DoubleHelpers.js

@@ -0,0 +1,90 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.decomposeDouble = decomposeDouble;
+exports.doubleToIndex = doubleToIndex;
+exports.indexToDouble = indexToDouble;
+const ArrayInt64_1 = require("./ArrayInt64");
+const safeNegativeInfinity = Number.NEGATIVE_INFINITY;
+const safePositiveInfinity = Number.POSITIVE_INFINITY;
+const safeEpsilon = Number.EPSILON;
+const INDEX_POSITIVE_INFINITY = { sign: 1, data: [2146435072, 0] };
+const INDEX_NEGATIVE_INFINITY = { sign: -1, data: [2146435072, 1] };
+const f64 = new Float64Array(1);
+const u32 = new Uint32Array(f64.buffer, f64.byteOffset);
+function bitCastDoubleToUInt64(f) {
+    f64[0] = f;
+    return [u32[1], u32[0]];
+}
+function decomposeDouble(d) {
+    const { 0: hi, 1: lo } = bitCastDoubleToUInt64(d);
+    const signBit = hi >>> 31;
+    const exponentBits = (hi >>> 20) & 0x7ff;
+    const significandBits = (hi & 0xfffff) * 0x100000000 + lo;
+    const exponent = exponentBits === 0 ? -1022 : exponentBits - 1023;
+    let significand = exponentBits === 0 ? 0 : 1;
+    significand += significandBits / 2 ** 52;
+    significand *= signBit === 0 ? 1 : -1;
+    return { exponent, significand };
+}
+function positiveNumberToInt64(n) {
+    return [~~(n / 0x100000000), n >>> 0];
+}
+function indexInDoubleFromDecomp(exponent, significand) {
+    if (exponent === -1022) {
+        const rescaledSignificand = significand * 2 ** 52;
+        return positiveNumberToInt64(rescaledSignificand);
+    }
+    const rescaledSignificand = (significand - 1) * 2 ** 52;
+    const exponentOnlyHigh = (exponent + 1023) * 2 ** 20;
+    const index = positiveNumberToInt64(rescaledSignificand);
+    index[0] += exponentOnlyHigh;
+    return index;
+}
+function doubleToIndex(d) {
+    if (d === safePositiveInfinity) {
+        return (0, ArrayInt64_1.clone64)(INDEX_POSITIVE_INFINITY);
+    }
+    if (d === safeNegativeInfinity) {
+        return (0, ArrayInt64_1.clone64)(INDEX_NEGATIVE_INFINITY);
+    }
+    const decomp = decomposeDouble(d);
+    const exponent = decomp.exponent;
+    const significand = decomp.significand;
+    if (d > 0 || (d === 0 && 1 / d === safePositiveInfinity)) {
+        return { sign: 1, data: indexInDoubleFromDecomp(exponent, significand) };
+    }
+    else {
+        const indexOpposite = indexInDoubleFromDecomp(exponent, -significand);
+        if (indexOpposite[1] === 0xffffffff) {
+            indexOpposite[0] += 1;
+            indexOpposite[1] = 0;
+        }
+        else {
+            indexOpposite[1] += 1;
+        }
+        return { sign: -1, data: indexOpposite };
+    }
+}
+function indexToDouble(index) {
+    if (index.sign === -1) {
+        const indexOpposite = { sign: 1, data: [index.data[0], index.data[1]] };
+        if (indexOpposite.data[1] === 0) {
+            indexOpposite.data[0] -= 1;
+            indexOpposite.data[1] = 0xffffffff;
+        }
+        else {
+            indexOpposite.data[1] -= 1;
+        }
+        return -indexToDouble(indexOpposite);
+    }
+    if ((0, ArrayInt64_1.isEqual64)(index, INDEX_POSITIVE_INFINITY)) {
+        return safePositiveInfinity;
+    }
+    if (index.data[0] < 0x200000) {
+        return (index.data[0] * 0x100000000 + index.data[1]) * 2 ** -1074;
+    }
+    const postIndexHigh = index.data[0] - 0x200000;
+    const exponent = -1021 + (postIndexHigh >> 20);
+    const significand = 1 + ((postIndexHigh & 0xfffff) * 2 ** 32 + index.data[1]) * safeEpsilon;
+    return significand * 2 ** exponent;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/DoubleOnlyHelpers.js

@@ -0,0 +1,31 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.onlyIntegersAfterThisValue = exports.maxNonIntegerValue = void 0;
+exports.refineConstraintsForDoubleOnly = refineConstraintsForDoubleOnly;
+exports.doubleOnlyMapper = doubleOnlyMapper;
+exports.doubleOnlyUnmapper = doubleOnlyUnmapper;
+const FloatingOnlyHelpers_1 = require("./FloatingOnlyHelpers");
+const safeNegativeInfinity = Number.NEGATIVE_INFINITY;
+const safePositiveInfinity = Number.POSITIVE_INFINITY;
+const safeMaxValue = Number.MAX_VALUE;
+exports.maxNonIntegerValue = 4503599627370495.5;
+exports.onlyIntegersAfterThisValue = 4503599627370496;
+function refineConstraintsForDoubleOnly(constraints) {
+    return (0, FloatingOnlyHelpers_1.refineConstraintsForFloatingOnly)(constraints, safeMaxValue, exports.maxNonIntegerValue, exports.onlyIntegersAfterThisValue);
+}
+function doubleOnlyMapper(value) {
+    return value === exports.onlyIntegersAfterThisValue
+        ? safePositiveInfinity
+        : value === -exports.onlyIntegersAfterThisValue
+            ? safeNegativeInfinity
+            : value;
+}
+function doubleOnlyUnmapper(value) {
+    if (typeof value !== 'number')
+        throw new Error('Unsupported type');
+    return value === safePositiveInfinity
+        ? exports.onlyIntegersAfterThisValue
+        : value === safeNegativeInfinity
+            ? -exports.onlyIntegersAfterThisValue
+            : value;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/EnumerableKeysExtractor.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.extractEnumerableKeys = extractEnumerableKeys;
+const safeObjectKeys = Object.keys;
+const safeObjectGetOwnPropertySymbols = Object.getOwnPropertySymbols;
+const safeObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+function extractEnumerableKeys(instance) {
+    const keys = safeObjectKeys(instance);
+    const symbols = safeObjectGetOwnPropertySymbols(instance);
+    for (let index = 0; index !== symbols.length; ++index) {
+        const symbol = symbols[index];
+        const descriptor = safeObjectGetOwnPropertyDescriptor(instance, symbol);
+        if (descriptor && descriptor.enumerable) {
+            keys.push(symbol);
+        }
+    }
+    return keys;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/FloatHelpers.js

@@ -0,0 +1,68 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EPSILON_32 = exports.MAX_VALUE_32 = exports.MIN_VALUE_32 = void 0;
+exports.decomposeFloat = decomposeFloat;
+exports.floatToIndex = floatToIndex;
+exports.indexToFloat = indexToFloat;
+const safeNegativeInfinity = Number.NEGATIVE_INFINITY;
+const safePositiveInfinity = Number.POSITIVE_INFINITY;
+exports.MIN_VALUE_32 = 2 ** -126 * 2 ** -23;
+exports.MAX_VALUE_32 = 2 ** 127 * (1 + (2 ** 23 - 1) / 2 ** 23);
+exports.EPSILON_32 = 2 ** -23;
+const INDEX_POSITIVE_INFINITY = 2139095040;
+const INDEX_NEGATIVE_INFINITY = -2139095041;
+const f32 = new Float32Array(1);
+const u32 = new Uint32Array(f32.buffer, f32.byteOffset);
+function bitCastFloatToUInt32(f) {
+    f32[0] = f;
+    return u32[0];
+}
+function decomposeFloat(f) {
+    const bits = bitCastFloatToUInt32(f);
+    const signBit = bits >>> 31;
+    const exponentBits = (bits >>> 23) & 0xff;
+    const significandBits = bits & 0x7fffff;
+    const exponent = exponentBits === 0 ? -126 : exponentBits - 127;
+    let significand = exponentBits === 0 ? 0 : 1;
+    significand += significandBits / 2 ** 23;
+    significand *= signBit === 0 ? 1 : -1;
+    return { exponent, significand };
+}
+function indexInFloatFromDecomp(exponent, significand) {
+    if (exponent === -126) {
+        return significand * 0x800000;
+    }
+    return (exponent + 127) * 0x800000 + (significand - 1) * 0x800000;
+}
+function floatToIndex(f) {
+    if (f === safePositiveInfinity) {
+        return INDEX_POSITIVE_INFINITY;
+    }
+    if (f === safeNegativeInfinity) {
+        return INDEX_NEGATIVE_INFINITY;
+    }
+    const decomp = decomposeFloat(f);
+    const exponent = decomp.exponent;
+    const significand = decomp.significand;
+    if (f > 0 || (f === 0 && 1 / f === safePositiveInfinity)) {
+        return indexInFloatFromDecomp(exponent, significand);
+    }
+    else {
+        return -indexInFloatFromDecomp(exponent, -significand) - 1;
+    }
+}
+function indexToFloat(index) {
+    if (index < 0) {
+        return -indexToFloat(-index - 1);
+    }
+    if (index === INDEX_POSITIVE_INFINITY) {
+        return safePositiveInfinity;
+    }
+    if (index < 0x1000000) {
+        return index * 2 ** -149;
+    }
+    const postIndex = index - 0x1000000;
+    const exponent = -125 + (postIndex >> 23);
+    const significand = 1 + (postIndex & 0x7fffff) / 0x800000;
+    return significand * 2 ** exponent;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/FloatOnlyHelpers.js

@@ -0,0 +1,32 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.onlyIntegersAfterThisValue = exports.maxNonIntegerValue = void 0;
+exports.refineConstraintsForFloatOnly = refineConstraintsForFloatOnly;
+exports.floatOnlyMapper = floatOnlyMapper;
+exports.floatOnlyUnmapper = floatOnlyUnmapper;
+const FloatHelpers_1 = require("./FloatHelpers");
+const FloatingOnlyHelpers_1 = require("./FloatingOnlyHelpers");
+const safeNegativeInfinity = Number.NEGATIVE_INFINITY;
+const safePositiveInfinity = Number.POSITIVE_INFINITY;
+const safeMaxValue = FloatHelpers_1.MAX_VALUE_32;
+exports.maxNonIntegerValue = 8388607.5;
+exports.onlyIntegersAfterThisValue = 8388608;
+function refineConstraintsForFloatOnly(constraints) {
+    return (0, FloatingOnlyHelpers_1.refineConstraintsForFloatingOnly)(constraints, safeMaxValue, exports.maxNonIntegerValue, exports.onlyIntegersAfterThisValue);
+}
+function floatOnlyMapper(value) {
+    return value === exports.onlyIntegersAfterThisValue
+        ? safePositiveInfinity
+        : value === -exports.onlyIntegersAfterThisValue
+            ? safeNegativeInfinity
+            : value;
+}
+function floatOnlyUnmapper(value) {
+    if (typeof value !== 'number')
+        throw new Error('Unsupported type');
+    return value === safePositiveInfinity
+        ? exports.onlyIntegersAfterThisValue
+        : value === safeNegativeInfinity
+            ? -exports.onlyIntegersAfterThisValue
+            : value;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/FloatingOnlyHelpers.js

@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.refineConstraintsForFloatingOnly = refineConstraintsForFloatingOnly;
+const safeNumberIsInteger = Number.isInteger;
+const safeObjectIs = Object.is;
+const safeNegativeInfinity = Number.NEGATIVE_INFINITY;
+const safePositiveInfinity = Number.POSITIVE_INFINITY;
+function refineConstraintsForFloatingOnly(constraints, maxValue, maxNonIntegerValue, onlyIntegersAfterThisValue) {
+    const { noDefaultInfinity = false, minExcluded = false, maxExcluded = false, min = noDefaultInfinity ? -maxValue : safeNegativeInfinity, max = noDefaultInfinity ? maxValue : safePositiveInfinity, } = constraints;
+    const effectiveMin = minExcluded
+        ? min < -maxNonIntegerValue
+            ? -onlyIntegersAfterThisValue
+            : Math.max(min, -maxNonIntegerValue)
+        : min === safeNegativeInfinity
+            ? Math.max(min, -onlyIntegersAfterThisValue)
+            : Math.max(min, -maxNonIntegerValue);
+    const effectiveMax = maxExcluded
+        ? max > maxNonIntegerValue
+            ? onlyIntegersAfterThisValue
+            : Math.min(max, maxNonIntegerValue)
+        : max === safePositiveInfinity
+            ? Math.min(max, onlyIntegersAfterThisValue)
+            : Math.min(max, maxNonIntegerValue);
+    const fullConstraints = {
+        noDefaultInfinity: false,
+        minExcluded: minExcluded || ((min !== safeNegativeInfinity || minExcluded) && safeNumberIsInteger(effectiveMin)),
+        maxExcluded: maxExcluded || ((max !== safePositiveInfinity || maxExcluded) && safeNumberIsInteger(effectiveMax)),
+        min: safeObjectIs(effectiveMin, -0) ? 0 : effectiveMin,
+        max: safeObjectIs(effectiveMax, 0) ? -0 : effectiveMax,
+        noNaN: constraints.noNaN || false,
+    };
+    return fullConstraints;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/GraphemeRangesHelpers.js

@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.convertGraphemeRangeToMapToConstantEntry = convertGraphemeRangeToMapToConstantEntry;
+exports.intersectGraphemeRanges = intersectGraphemeRanges;
+const globals_1 = require("../../../utils/globals");
+const safeStringFromCodePoint = String.fromCodePoint;
+const safeMathMin = Math.min;
+const safeMathMax = Math.max;
+function convertGraphemeRangeToMapToConstantEntry(range) {
+    if (range.length === 1) {
+        const codePointString = safeStringFromCodePoint(range[0]);
+        return { num: 1, build: () => codePointString };
+    }
+    const rangeStart = range[0];
+    return { num: range[1] - range[0] + 1, build: (idInGroup) => safeStringFromCodePoint(rangeStart + idInGroup) };
+}
+function intersectGraphemeRanges(rangesA, rangesB) {
+    const mergedRanges = [];
+    let cursorA = 0;
+    let cursorB = 0;
+    while (cursorA < rangesA.length && cursorB < rangesB.length) {
+        const rangeA = rangesA[cursorA];
+        const rangeAMin = rangeA[0];
+        const rangeAMax = rangeA.length === 1 ? rangeA[0] : rangeA[1];
+        const rangeB = rangesB[cursorB];
+        const rangeBMin = rangeB[0];
+        const rangeBMax = rangeB.length === 1 ? rangeB[0] : rangeB[1];
+        if (rangeAMax < rangeBMin) {
+            cursorA += 1;
+        }
+        else if (rangeBMax < rangeAMin) {
+            cursorB += 1;
+        }
+        else {
+            let min = safeMathMax(rangeAMin, rangeBMin);
+            const max = safeMathMin(rangeAMax, rangeBMax);
+            if (mergedRanges.length >= 1) {
+                const lastMergedRange = mergedRanges[mergedRanges.length - 1];
+                const lastMergedRangeMax = lastMergedRange.length === 1 ? lastMergedRange[0] : lastMergedRange[1];
+                if (lastMergedRangeMax + 1 === min) {
+                    min = lastMergedRange[0];
+                    (0, globals_1.safePop)(mergedRanges);
+                }
+            }
+            (0, globals_1.safePush)(mergedRanges, min === max ? [min] : [min, max]);
+            if (rangeAMax <= max) {
+                cursorA += 1;
+            }
+            if (rangeBMax <= max) {
+                cursorB += 1;
+            }
+        }
+    }
+    return mergedRanges;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/InvalidSubdomainLabelFiIter.js

@@ -0,0 +1,13 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.filterInvalidSubdomainLabel = filterInvalidSubdomainLabel;
+function filterInvalidSubdomainLabel(subdomainLabel) {
+    if (subdomainLabel.length > 63) {
+        return false;
+    }
+    return (subdomainLabel.length < 4 ||
+        subdomainLabel[0] !== 'x' ||
+        subdomainLabel[1] !== 'n' ||
+        subdomainLabel[2] !== '-' ||
+        subdomainLabel[3] !== '-');
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/IsSubarrayOf.js

@@ -0,0 +1,36 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isSubarrayOf = isSubarrayOf;
+const globals_1 = require("../../../utils/globals");
+const safeObjectIs = Object.is;
+function isSubarrayOf(source, small) {
+    const countMap = new globals_1.Map();
+    let countMinusZero = 0;
+    for (const sourceEntry of source) {
+        if (safeObjectIs(sourceEntry, -0)) {
+            ++countMinusZero;
+        }
+        else {
+            const oldCount = (0, globals_1.safeMapGet)(countMap, sourceEntry) || 0;
+            (0, globals_1.safeMapSet)(countMap, sourceEntry, oldCount + 1);
+        }
+    }
+    for (let index = 0; index !== small.length; ++index) {
+        if (!(index in small)) {
+            return false;
+        }
+        const smallEntry = small[index];
+        if (safeObjectIs(smallEntry, -0)) {
+            if (countMinusZero === 0)
+                return false;
+            --countMinusZero;
+        }
+        else {
+            const oldCount = (0, globals_1.safeMapGet)(countMap, smallEntry) || 0;
+            if (oldCount === 0)
+                return false;
+            (0, globals_1.safeMapSet)(countMap, smallEntry, oldCount - 1);
+        }
+    }
+    return true;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/JsonConstraintsBuilder.js

@@ -0,0 +1,17 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.jsonConstraintsBuilder = jsonConstraintsBuilder;
+const boolean_1 = require("../../boolean");
+const constant_1 = require("../../constant");
+const double_1 = require("../../double");
+function jsonConstraintsBuilder(stringArbitrary, constraints) {
+    const { depthSize, maxDepth } = constraints;
+    const key = stringArbitrary;
+    const values = [
+        (0, boolean_1.boolean)(),
+        (0, double_1.double)({ noDefaultInfinity: true, noNaN: true }),
+        stringArbitrary,
+        (0, constant_1.constant)(null),
+    ];
+    return { key, values, depthSize, maxDepth };
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/MaxLengthFromMinLength.js

@@ -0,0 +1,91 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DefaultSize = exports.MaxLengthUpperBound = void 0;
+exports.maxLengthFromMinLength = maxLengthFromMinLength;
+exports.relativeSizeToSize = relativeSizeToSize;
+exports.maxGeneratedLengthFromSizeForArbitrary = maxGeneratedLengthFromSizeForArbitrary;
+exports.depthBiasFromSizeForArbitrary = depthBiasFromSizeForArbitrary;
+exports.resolveSize = resolveSize;
+const GlobalParameters_1 = require("../../../check/runner/configuration/GlobalParameters");
+const globals_1 = require("../../../utils/globals");
+const safeMathFloor = Math.floor;
+const safeMathMin = Math.min;
+exports.MaxLengthUpperBound = 0x7fffffff;
+const orderedSize = ['xsmall', 'small', 'medium', 'large', 'xlarge'];
+const orderedRelativeSize = ['-4', '-3', '-2', '-1', '=', '+1', '+2', '+3', '+4'];
+exports.DefaultSize = 'small';
+function maxLengthFromMinLength(minLength, size) {
+    switch (size) {
+        case 'xsmall':
+            return safeMathFloor(1.1 * minLength) + 1;
+        case 'small':
+            return 2 * minLength + 10;
+        case 'medium':
+            return 11 * minLength + 100;
+        case 'large':
+            return 101 * minLength + 1000;
+        case 'xlarge':
+            return 1001 * minLength + 10000;
+        default:
+            throw new Error(`Unable to compute lengths based on received size: ${size}`);
+    }
+}
+function relativeSizeToSize(size, defaultSize) {
+    const sizeInRelative = (0, globals_1.safeIndexOf)(orderedRelativeSize, size);
+    if (sizeInRelative === -1) {
+        return size;
+    }
+    const defaultSizeInSize = (0, globals_1.safeIndexOf)(orderedSize, defaultSize);
+    if (defaultSizeInSize === -1) {
+        throw new Error(`Unable to offset size based on the unknown defaulted one: ${defaultSize}`);
+    }
+    const resultingSizeInSize = defaultSizeInSize + sizeInRelative - 4;
+    return resultingSizeInSize < 0
+        ? orderedSize[0]
+        : resultingSizeInSize >= orderedSize.length
+            ? orderedSize[orderedSize.length - 1]
+            : orderedSize[resultingSizeInSize];
+}
+function maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, specifiedMaxLength) {
+    const { baseSize: defaultSize = exports.DefaultSize, defaultSizeToMaxWhenMaxSpecified } = (0, GlobalParameters_1.readConfigureGlobal)() || {};
+    const definedSize = size !== undefined ? size : specifiedMaxLength && defaultSizeToMaxWhenMaxSpecified ? 'max' : defaultSize;
+    if (definedSize === 'max') {
+        return maxLength;
+    }
+    const finalSize = relativeSizeToSize(definedSize, defaultSize);
+    return safeMathMin(maxLengthFromMinLength(minLength, finalSize), maxLength);
+}
+function depthBiasFromSizeForArbitrary(depthSizeOrSize, specifiedMaxDepth) {
+    if (typeof depthSizeOrSize === 'number') {
+        return 1 / depthSizeOrSize;
+    }
+    const { baseSize: defaultSize = exports.DefaultSize, defaultSizeToMaxWhenMaxSpecified } = (0, GlobalParameters_1.readConfigureGlobal)() || {};
+    const definedSize = depthSizeOrSize !== undefined
+        ? depthSizeOrSize
+        : specifiedMaxDepth && defaultSizeToMaxWhenMaxSpecified
+            ? 'max'
+            : defaultSize;
+    if (definedSize === 'max') {
+        return 0;
+    }
+    const finalSize = relativeSizeToSize(definedSize, defaultSize);
+    switch (finalSize) {
+        case 'xsmall':
+            return 1;
+        case 'small':
+            return 0.5;
+        case 'medium':
+            return 0.25;
+        case 'large':
+            return 0.125;
+        case 'xlarge':
+            return 0.0625;
+    }
+}
+function resolveSize(size) {
+    const { baseSize: defaultSize = exports.DefaultSize } = (0, GlobalParameters_1.readConfigureGlobal)() || {};
+    if (size === undefined) {
+        return defaultSize;
+    }
+    return relativeSizeToSize(size, defaultSize);
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/NoUndefinedAsContext.js

@@ -0,0 +1,15 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.UndefinedContextPlaceholder = void 0;
+exports.noUndefinedAsContext = noUndefinedAsContext;
+const Value_1 = require("../../../check/arbitrary/definition/Value");
+exports.UndefinedContextPlaceholder = Symbol('UndefinedContextPlaceholder');
+function noUndefinedAsContext(value) {
+    if (value.context !== undefined) {
+        return value;
+    }
+    if (value.hasToBeCloned) {
+        return new Value_1.Value(value.value_, exports.UndefinedContextPlaceholder, () => value.value);
+    }
+    return new Value_1.Value(value.value_, exports.UndefinedContextPlaceholder);
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/QualifiedObjectConstraints.js

@@ -0,0 +1,49 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.toQualifiedObjectConstraints = toQualifiedObjectConstraints;
+const boolean_1 = require("../../boolean");
+const constant_1 = require("../../constant");
+const double_1 = require("../../double");
+const fullUnicodeString_1 = require("../../fullUnicodeString");
+const maxSafeInteger_1 = require("../../maxSafeInteger");
+const oneof_1 = require("../../oneof");
+const string_1 = require("../../string");
+const BoxedArbitraryBuilder_1 = require("../builders/BoxedArbitraryBuilder");
+function defaultValues(constraints, stringArbitrary) {
+    return [
+        (0, boolean_1.boolean)(),
+        (0, maxSafeInteger_1.maxSafeInteger)(),
+        (0, double_1.double)(),
+        stringArbitrary(constraints),
+        (0, oneof_1.oneof)(stringArbitrary(constraints), (0, constant_1.constant)(null), (0, constant_1.constant)(undefined)),
+    ];
+}
+function boxArbitraries(arbs) {
+    return arbs.map((arb) => (0, BoxedArbitraryBuilder_1.boxedArbitraryBuilder)(arb));
+}
+function boxArbitrariesIfNeeded(arbs, boxEnabled) {
+    return boxEnabled ? boxArbitraries(arbs).concat(arbs) : arbs;
+}
+function toQualifiedObjectConstraints(settings = {}) {
+    function orDefault(optionalValue, defaultValue) {
+        return optionalValue !== undefined ? optionalValue : defaultValue;
+    }
+    const stringArbitrary = 'stringUnit' in settings ? string_1.string : settings.withUnicodeString ? fullUnicodeString_1.fullUnicodeString : string_1.string;
+    const valueConstraints = { size: settings.size, unit: settings.stringUnit };
+    return {
+        key: orDefault(settings.key, stringArbitrary(valueConstraints)),
+        values: boxArbitrariesIfNeeded(orDefault(settings.values, defaultValues(valueConstraints, stringArbitrary)), orDefault(settings.withBoxedValues, false)),
+        depthSize: settings.depthSize,
+        maxDepth: settings.maxDepth,
+        maxKeys: settings.maxKeys,
+        size: settings.size,
+        withSet: orDefault(settings.withSet, false),
+        withMap: orDefault(settings.withMap, false),
+        withObjectString: orDefault(settings.withObjectString, false),
+        withNullPrototype: orDefault(settings.withNullPrototype, false),
+        withBigInt: orDefault(settings.withBigInt, false),
+        withDate: orDefault(settings.withDate, false),
+        withTypedArray: orDefault(settings.withTypedArray, false),
+        withSparseArray: orDefault(settings.withSparseArray, false),
+    };
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/ReadRegex.js

@@ -0,0 +1,211 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TokenizerBlockMode = void 0;
+exports.readFrom = readFrom;
+function charSizeAt(text, pos) {
+    return text[pos] >= '\uD800' && text[pos] <= '\uDBFF' && text[pos + 1] >= '\uDC00' && text[pos + 1] <= '\uDFFF'
+        ? 2
+        : 1;
+}
+function isHexaDigit(char) {
+    return (char >= '0' && char <= '9') || (char >= 'a' && char <= 'f') || (char >= 'A' && char <= 'F');
+}
+function isDigit(char) {
+    return char >= '0' && char <= '9';
+}
+function squaredBracketBlockContentEndFrom(text, from) {
+    for (let index = from; index !== text.length; ++index) {
+        const char = text[index];
+        if (char === '\\') {
+            index += 1;
+        }
+        else if (char === ']') {
+            return index;
+        }
+    }
+    throw new Error(`Missing closing ']'`);
+}
+function parenthesisBlockContentEndFrom(text, from) {
+    let numExtraOpened = 0;
+    for (let index = from; index !== text.length; ++index) {
+        const char = text[index];
+        if (char === '\\') {
+            index += 1;
+        }
+        else if (char === ')') {
+            if (numExtraOpened === 0) {
+                return index;
+            }
+            numExtraOpened -= 1;
+        }
+        else if (char === '[') {
+            index = squaredBracketBlockContentEndFrom(text, index);
+        }
+        else if (char === '(') {
+            numExtraOpened += 1;
+        }
+    }
+    throw new Error(`Missing closing ')'`);
+}
+function curlyBracketBlockContentEndFrom(text, from) {
+    let foundComma = false;
+    for (let index = from; index !== text.length; ++index) {
+        const char = text[index];
+        if (isDigit(char)) {
+        }
+        else if (from === index) {
+            return -1;
+        }
+        else if (char === ',') {
+            if (foundComma) {
+                return -1;
+            }
+            foundComma = true;
+        }
+        else if (char === '}') {
+            return index;
+        }
+        else {
+            return -1;
+        }
+    }
+    return -1;
+}
+var TokenizerBlockMode;
+(function (TokenizerBlockMode) {
+    TokenizerBlockMode[TokenizerBlockMode["Full"] = 0] = "Full";
+    TokenizerBlockMode[TokenizerBlockMode["Character"] = 1] = "Character";
+})(TokenizerBlockMode || (exports.TokenizerBlockMode = TokenizerBlockMode = {}));
+function blockEndFrom(text, from, unicodeMode, mode) {
+    switch (text[from]) {
+        case '[': {
+            if (mode === TokenizerBlockMode.Character) {
+                return from + 1;
+            }
+            return squaredBracketBlockContentEndFrom(text, from + 1) + 1;
+        }
+        case '{': {
+            if (mode === TokenizerBlockMode.Character) {
+                return from + 1;
+            }
+            const foundEnd = curlyBracketBlockContentEndFrom(text, from + 1);
+            if (foundEnd === -1) {
+                return from + 1;
+            }
+            return foundEnd + 1;
+        }
+        case '(': {
+            if (mode === TokenizerBlockMode.Character) {
+                return from + 1;
+            }
+            return parenthesisBlockContentEndFrom(text, from + 1) + 1;
+        }
+        case ']':
+        case '}':
+        case ')':
+            return from + 1;
+        case '\\': {
+            const next1 = text[from + 1];
+            switch (next1) {
+                case 'x':
+                    if (isHexaDigit(text[from + 2]) && isHexaDigit(text[from + 3])) {
+                        return from + 4;
+                    }
+                    throw new Error(`Unexpected token '${text.substring(from, from + 4)}' found`);
+                case 'u':
+                    if (text[from + 2] === '{') {
+                        if (!unicodeMode) {
+                            return from + 2;
+                        }
+                        if (text[from + 4] === '}') {
+                            if (isHexaDigit(text[from + 3])) {
+                                return from + 5;
+                            }
+                            throw new Error(`Unexpected token '${text.substring(from, from + 5)}' found`);
+                        }
+                        if (text[from + 5] === '}') {
+                            if (isHexaDigit(text[from + 3]) && isHexaDigit(text[from + 4])) {
+                                return from + 6;
+                            }
+                            throw new Error(`Unexpected token '${text.substring(from, from + 6)}' found`);
+                        }
+                        if (text[from + 6] === '}') {
+                            if (isHexaDigit(text[from + 3]) && isHexaDigit(text[from + 4]) && isHexaDigit(text[from + 5])) {
+                                return from + 7;
+                            }
+                            throw new Error(`Unexpected token '${text.substring(from, from + 7)}' found`);
+                        }
+                        if (text[from + 7] === '}') {
+                            if (isHexaDigit(text[from + 3]) &&
+                                isHexaDigit(text[from + 4]) &&
+                                isHexaDigit(text[from + 5]) &&
+                                isHexaDigit(text[from + 6])) {
+                                return from + 8;
+                            }
+                            throw new Error(`Unexpected token '${text.substring(from, from + 8)}' found`);
+                        }
+                        if (text[from + 8] === '}' &&
+                            isHexaDigit(text[from + 3]) &&
+                            isHexaDigit(text[from + 4]) &&
+                            isHexaDigit(text[from + 5]) &&
+                            isHexaDigit(text[from + 6]) &&
+                            isHexaDigit(text[from + 7])) {
+                            return from + 9;
+                        }
+                        throw new Error(`Unexpected token '${text.substring(from, from + 9)}' found`);
+                    }
+                    if (isHexaDigit(text[from + 2]) &&
+                        isHexaDigit(text[from + 3]) &&
+                        isHexaDigit(text[from + 4]) &&
+                        isHexaDigit(text[from + 5])) {
+                        return from + 6;
+                    }
+                    throw new Error(`Unexpected token '${text.substring(from, from + 6)}' found`);
+                case 'p':
+                case 'P': {
+                    if (!unicodeMode) {
+                        return from + 2;
+                    }
+                    let subIndex = from + 2;
+                    for (; subIndex < text.length && text[subIndex] !== '}'; subIndex += text[subIndex] === '\\' ? 2 : 1) {
+                    }
+                    if (text[subIndex] !== '}') {
+                        throw new Error(`Invalid \\P definition`);
+                    }
+                    return subIndex + 1;
+                }
+                case 'k': {
+                    let subIndex = from + 2;
+                    for (; subIndex < text.length && text[subIndex] !== '>'; ++subIndex) {
+                    }
+                    if (text[subIndex] !== '>') {
+                        if (!unicodeMode) {
+                            return from + 2;
+                        }
+                        throw new Error(`Invalid \\k definition`);
+                    }
+                    return subIndex + 1;
+                }
+                default: {
+                    if (isDigit(next1)) {
+                        const maxIndex = unicodeMode ? text.length : Math.min(from + 4, text.length);
+                        let subIndex = from + 2;
+                        for (; subIndex < maxIndex && isDigit(text[subIndex]); ++subIndex) {
+                        }
+                        return subIndex;
+                    }
+                    const charSize = unicodeMode ? charSizeAt(text, from + 1) : 1;
+                    return from + charSize + 1;
+                }
+            }
+        }
+        default: {
+            const charSize = unicodeMode ? charSizeAt(text, from) : 1;
+            return from + charSize;
+        }
+    }
+}
+function readFrom(text, from, unicodeMode, mode) {
+    const to = blockEndFrom(text, from, unicodeMode, mode);
+    return text.substring(from, to);
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/SameValueSet.js

@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SameValueSet = void 0;
+const globals_1 = require("../../../utils/globals");
+const safeObjectIs = Object.is;
+class SameValueSet {
+    constructor(selector) {
+        this.selector = selector;
+        this.selectedItemsExceptMinusZero = new globals_1.Set();
+        this.data = [];
+        this.hasMinusZero = false;
+    }
+    tryAdd(value) {
+        const selected = this.selector(value);
+        if (safeObjectIs(selected, -0)) {
+            if (this.hasMinusZero) {
+                return false;
+            }
+            (0, globals_1.safePush)(this.data, value);
+            this.hasMinusZero = true;
+            return true;
+        }
+        const sizeBefore = this.selectedItemsExceptMinusZero.size;
+        (0, globals_1.safeAdd)(this.selectedItemsExceptMinusZero, selected);
+        if (sizeBefore !== this.selectedItemsExceptMinusZero.size) {
+            (0, globals_1.safePush)(this.data, value);
+            return true;
+        }
+        return false;
+    }
+    size() {
+        return this.data.length;
+    }
+    getData() {
+        return this.data;
+    }
+}
+exports.SameValueSet = SameValueSet;

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/SameValueZeroSet.js

@@ -0,0 +1,28 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SameValueZeroSet = void 0;
+const globals_1 = require("../../../utils/globals");
+class SameValueZeroSet {
+    constructor(selector) {
+        this.selector = selector;
+        this.selectedItems = new globals_1.Set();
+        this.data = [];
+    }
+    tryAdd(value) {
+        const selected = this.selector(value);
+        const sizeBefore = this.selectedItems.size;
+        (0, globals_1.safeAdd)(this.selectedItems, selected);
+        if (sizeBefore !== this.selectedItems.size) {
+            (0, globals_1.safePush)(this.data, value);
+            return true;
+        }
+        return false;
+    }
+    size() {
+        return this.data.length;
+    }
+    getData() {
+        return this.data;
+    }
+}
+exports.SameValueZeroSet = SameValueZeroSet;

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/SanitizeRegexAst.js

@@ -0,0 +1,84 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.addMissingDotStar = addMissingDotStar;
+const stringify_1 = require("../../../utils/stringify");
+function raiseUnsupportedASTNode(astNode) {
+    return new Error(`Unsupported AST node! Received: ${(0, stringify_1.stringify)(astNode)}`);
+}
+function addMissingDotStarTraversalAddMissing(astNode, isFirst, isLast) {
+    if (!isFirst && !isLast) {
+        return astNode;
+    }
+    const traversalResults = { hasStart: false, hasEnd: false };
+    const revampedNode = addMissingDotStarTraversal(astNode, isFirst, isLast, traversalResults);
+    const missingStart = isFirst && !traversalResults.hasStart;
+    const missingEnd = isLast && !traversalResults.hasEnd;
+    if (!missingStart && !missingEnd) {
+        return revampedNode;
+    }
+    const expressions = [];
+    if (missingStart) {
+        expressions.push({ type: 'Assertion', kind: '^' });
+        expressions.push({
+            type: 'Repetition',
+            quantifier: { type: 'Quantifier', kind: '*', greedy: true },
+            expression: { type: 'Char', kind: 'meta', symbol: '.', value: '.', codePoint: Number.NaN },
+        });
+    }
+    expressions.push(revampedNode);
+    if (missingEnd) {
+        expressions.push({
+            type: 'Repetition',
+            quantifier: { type: 'Quantifier', kind: '*', greedy: true },
+            expression: { type: 'Char', kind: 'meta', symbol: '.', value: '.', codePoint: Number.NaN },
+        });
+        expressions.push({ type: 'Assertion', kind: '$' });
+    }
+    return { type: 'Group', capturing: false, expression: { type: 'Alternative', expressions } };
+}
+function addMissingDotStarTraversal(astNode, isFirst, isLast, traversalResults) {
+    switch (astNode.type) {
+        case 'Char':
+            return astNode;
+        case 'Repetition':
+            return astNode;
+        case 'Quantifier':
+            throw new Error(`Wrongly defined AST tree, Quantifier nodes not supposed to be scanned!`);
+        case 'Alternative':
+            traversalResults.hasStart = true;
+            traversalResults.hasEnd = true;
+            return Object.assign(Object.assign({}, astNode), { expressions: astNode.expressions.map((node, index) => addMissingDotStarTraversalAddMissing(node, isFirst && index === 0, isLast && index === astNode.expressions.length - 1)) });
+        case 'CharacterClass':
+            return astNode;
+        case 'ClassRange':
+            return astNode;
+        case 'Group': {
+            return Object.assign(Object.assign({}, astNode), { expression: addMissingDotStarTraversal(astNode.expression, isFirst, isLast, traversalResults) });
+        }
+        case 'Disjunction': {
+            traversalResults.hasStart = true;
+            traversalResults.hasEnd = true;
+            return Object.assign(Object.assign({}, astNode), { left: astNode.left !== null ? addMissingDotStarTraversalAddMissing(astNode.left, isFirst, isLast) : null, right: astNode.right !== null ? addMissingDotStarTraversalAddMissing(astNode.right, isFirst, isLast) : null });
+        }
+        case 'Assertion': {
+            if (astNode.kind === '^' || astNode.kind === 'Lookahead') {
+                traversalResults.hasStart = true;
+                return astNode;
+            }
+            else if (astNode.kind === '$' || astNode.kind === 'Lookbehind') {
+                traversalResults.hasEnd = true;
+                return astNode;
+            }
+            else {
+                throw new Error(`Assertions of kind ${astNode.kind} not implemented yet!`);
+            }
+        }
+        case 'Backreference':
+            return astNode;
+        default:
+            throw raiseUnsupportedASTNode(astNode);
+    }
+}
+function addMissingDotStar(astNode) {
+    return addMissingDotStarTraversalAddMissing(astNode, true, true);
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/ShrinkBigInt.js

@@ -0,0 +1,31 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.shrinkBigInt = shrinkBigInt;
+const Stream_1 = require("../../../stream/Stream");
+const Value_1 = require("../../../check/arbitrary/definition/Value");
+const globals_1 = require("../../../utils/globals");
+function halveBigInt(n) {
+    return n / (0, globals_1.BigInt)(2);
+}
+function shrinkBigInt(current, target, tryTargetAsap) {
+    const realGap = current - target;
+    function* shrinkDecr() {
+        let previous = tryTargetAsap ? undefined : target;
+        const gap = tryTargetAsap ? realGap : halveBigInt(realGap);
+        for (let toremove = gap; toremove > 0; toremove = halveBigInt(toremove)) {
+            const next = current - toremove;
+            yield new Value_1.Value(next, previous);
+            previous = next;
+        }
+    }
+    function* shrinkIncr() {
+        let previous = tryTargetAsap ? undefined : target;
+        const gap = tryTargetAsap ? realGap : halveBigInt(realGap);
+        for (let toremove = gap; toremove < 0; toremove = halveBigInt(toremove)) {
+            const next = current - toremove;
+            yield new Value_1.Value(next, previous);
+            previous = next;
+        }
+    }
+    return realGap > 0 ? (0, Stream_1.stream)(shrinkDecr()) : (0, Stream_1.stream)(shrinkIncr());
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/ShrinkInteger.js

@@ -0,0 +1,35 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.shrinkInteger = shrinkInteger;
+const Value_1 = require("../../../check/arbitrary/definition/Value");
+const Stream_1 = require("../../../stream/Stream");
+const safeMathCeil = Math.ceil;
+const safeMathFloor = Math.floor;
+function halvePosInteger(n) {
+    return safeMathFloor(n / 2);
+}
+function halveNegInteger(n) {
+    return safeMathCeil(n / 2);
+}
+function shrinkInteger(current, target, tryTargetAsap) {
+    const realGap = current - target;
+    function* shrinkDecr() {
+        let previous = tryTargetAsap ? undefined : target;
+        const gap = tryTargetAsap ? realGap : halvePosInteger(realGap);
+        for (let toremove = gap; toremove > 0; toremove = halvePosInteger(toremove)) {
+            const next = toremove === realGap ? target : current - toremove;
+            yield new Value_1.Value(next, previous);
+            previous = next;
+        }
+    }
+    function* shrinkIncr() {
+        let previous = tryTargetAsap ? undefined : target;
+        const gap = tryTargetAsap ? realGap : halveNegInteger(realGap);
+        for (let toremove = gap; toremove < 0; toremove = halveNegInteger(toremove)) {
+            const next = toremove === realGap ? target : current - toremove;
+            yield new Value_1.Value(next, previous);
+            previous = next;
+        }
+    }
+    return realGap > 0 ? (0, Stream_1.stream)(shrinkDecr()) : (0, Stream_1.stream)(shrinkIncr());
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/SlicesForStringBuilder.js

@@ -0,0 +1,82 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createSlicesForStringLegacy = createSlicesForStringLegacy;
+exports.createSlicesForString = createSlicesForString;
+const globals_1 = require("../../../utils/globals");
+const PatternsToString_1 = require("../mappers/PatternsToString");
+const MaxLengthFromMinLength_1 = require("./MaxLengthFromMinLength");
+const TokenizeString_1 = require("./TokenizeString");
+const dangerousStrings = [
+    '__defineGetter__',
+    '__defineSetter__',
+    '__lookupGetter__',
+    '__lookupSetter__',
+    '__proto__',
+    'constructor',
+    'hasOwnProperty',
+    'isPrototypeOf',
+    'propertyIsEnumerable',
+    'toLocaleString',
+    'toString',
+    'valueOf',
+    'apply',
+    'arguments',
+    'bind',
+    'call',
+    'caller',
+    'length',
+    'name',
+    'prototype',
+    'key',
+    'ref',
+];
+function computeCandidateStringLegacy(dangerous, charArbitrary, stringSplitter) {
+    let candidate;
+    try {
+        candidate = stringSplitter(dangerous);
+    }
+    catch (err) {
+        return undefined;
+    }
+    for (const entry of candidate) {
+        if (!charArbitrary.canShrinkWithoutContext(entry)) {
+            return undefined;
+        }
+    }
+    return candidate;
+}
+function createSlicesForStringLegacy(charArbitrary, stringSplitter) {
+    const slicesForString = [];
+    for (const dangerous of dangerousStrings) {
+        const candidate = computeCandidateStringLegacy(dangerous, charArbitrary, stringSplitter);
+        if (candidate !== undefined) {
+            (0, globals_1.safePush)(slicesForString, candidate);
+        }
+    }
+    return slicesForString;
+}
+const slicesPerArbitrary = new WeakMap();
+function createSlicesForStringNoConstraints(charArbitrary) {
+    const slicesForString = [];
+    for (const dangerous of dangerousStrings) {
+        const candidate = (0, TokenizeString_1.tokenizeString)(charArbitrary, dangerous, 0, MaxLengthFromMinLength_1.MaxLengthUpperBound);
+        if (candidate !== undefined) {
+            (0, globals_1.safePush)(slicesForString, candidate);
+        }
+    }
+    return slicesForString;
+}
+function createSlicesForString(charArbitrary, constraints) {
+    let slices = (0, globals_1.safeGet)(slicesPerArbitrary, charArbitrary);
+    if (slices === undefined) {
+        slices = createSlicesForStringNoConstraints(charArbitrary);
+        (0, globals_1.safeSet)(slicesPerArbitrary, charArbitrary, slices);
+    }
+    const slicesForConstraints = [];
+    for (const slice of slices) {
+        if ((0, PatternsToString_1.patternsToStringUnmapperIsValidLength)(slice, constraints)) {
+            (0, globals_1.safePush)(slicesForConstraints, slice);
+        }
+    }
+    return slicesForConstraints;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/StrictlyEqualSet.js

@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.StrictlyEqualSet = void 0;
+const globals_1 = require("../../../utils/globals");
+const safeNumberIsNaN = Number.isNaN;
+class StrictlyEqualSet {
+    constructor(selector) {
+        this.selector = selector;
+        this.selectedItemsExceptNaN = new globals_1.Set();
+        this.data = [];
+    }
+    tryAdd(value) {
+        const selected = this.selector(value);
+        if (safeNumberIsNaN(selected)) {
+            (0, globals_1.safePush)(this.data, value);
+            return true;
+        }
+        const sizeBefore = this.selectedItemsExceptNaN.size;
+        (0, globals_1.safeAdd)(this.selectedItemsExceptNaN, selected);
+        if (sizeBefore !== this.selectedItemsExceptNaN.size) {
+            (0, globals_1.safePush)(this.data, value);
+            return true;
+        }
+        return false;
+    }
+    size() {
+        return this.data.length;
+    }
+    getData() {
+        return this.data;
+    }
+}
+exports.StrictlyEqualSet = StrictlyEqualSet;

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/TextEscaper.js

@@ -0,0 +1,10 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.escapeForTemplateString = escapeForTemplateString;
+exports.escapeForMultilineComments = escapeForMultilineComments;
+function escapeForTemplateString(originalText) {
+    return originalText.replace(/([$`\\])/g, '\\$1').replace(/\r/g, '\\r');
+}
+function escapeForMultilineComments(originalText) {
+    return originalText.replace(/\*\//g, '*\\/');
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/ToggleFlags.js

@@ -0,0 +1,53 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.countToggledBits = countToggledBits;
+exports.computeNextFlags = computeNextFlags;
+exports.computeTogglePositions = computeTogglePositions;
+exports.computeFlagsFromChars = computeFlagsFromChars;
+exports.applyFlagsOnChars = applyFlagsOnChars;
+const globals_1 = require("../../../utils/globals");
+function countToggledBits(n) {
+    let count = 0;
+    while (n > (0, globals_1.BigInt)(0)) {
+        if (n & (0, globals_1.BigInt)(1))
+            ++count;
+        n >>= (0, globals_1.BigInt)(1);
+    }
+    return count;
+}
+function computeNextFlags(flags, nextSize) {
+    const allowedMask = ((0, globals_1.BigInt)(1) << (0, globals_1.BigInt)(nextSize)) - (0, globals_1.BigInt)(1);
+    const preservedFlags = flags & allowedMask;
+    let numMissingFlags = countToggledBits(flags - preservedFlags);
+    let nFlags = preservedFlags;
+    for (let mask = (0, globals_1.BigInt)(1); mask <= allowedMask && numMissingFlags !== 0; mask <<= (0, globals_1.BigInt)(1)) {
+        if (!(nFlags & mask)) {
+            nFlags |= mask;
+            --numMissingFlags;
+        }
+    }
+    return nFlags;
+}
+function computeTogglePositions(chars, toggleCase) {
+    const positions = [];
+    for (let idx = chars.length - 1; idx !== -1; --idx) {
+        if (toggleCase(chars[idx]) !== chars[idx])
+            (0, globals_1.safePush)(positions, idx);
+    }
+    return positions;
+}
+function computeFlagsFromChars(untoggledChars, toggledChars, togglePositions) {
+    let flags = (0, globals_1.BigInt)(0);
+    for (let idx = 0, mask = (0, globals_1.BigInt)(1); idx !== togglePositions.length; ++idx, mask <<= (0, globals_1.BigInt)(1)) {
+        if (untoggledChars[togglePositions[idx]] !== toggledChars[togglePositions[idx]]) {
+            flags |= mask;
+        }
+    }
+    return flags;
+}
+function applyFlagsOnChars(chars, flags, togglePositions, toggleCase) {
+    for (let idx = 0, mask = (0, globals_1.BigInt)(1); idx !== togglePositions.length; ++idx, mask <<= (0, globals_1.BigInt)(1)) {
+        if (flags & mask)
+            chars[togglePositions[idx]] = toggleCase(chars[togglePositions[idx]]);
+    }
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/TokenizeRegex.js

@@ -0,0 +1,323 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.tokenizeRegex = tokenizeRegex;
+const globals_1 = require("../../../utils/globals");
+const ReadRegex_1 = require("./ReadRegex");
+const safeStringFromCodePoint = String.fromCodePoint;
+function safePop(tokens) {
+    const previous = tokens.pop();
+    if (previous === undefined) {
+        throw new Error('Unable to extract token preceeding the currently parsed one');
+    }
+    return previous;
+}
+function isDigit(char) {
+    return char >= '0' && char <= '9';
+}
+function simpleChar(char, escaped) {
+    return {
+        type: 'Char',
+        kind: 'simple',
+        symbol: char,
+        value: char,
+        codePoint: char.codePointAt(0) || -1,
+        escaped,
+    };
+}
+function metaEscapedChar(block, symbol) {
+    return {
+        type: 'Char',
+        kind: 'meta',
+        symbol,
+        value: block,
+        codePoint: symbol.codePointAt(0) || -1,
+    };
+}
+function toSingleToken(tokens, allowEmpty) {
+    if (tokens.length > 1) {
+        return {
+            type: 'Alternative',
+            expressions: tokens,
+        };
+    }
+    if (!allowEmpty && tokens.length === 0) {
+        throw new Error(`Unsupported no token`);
+    }
+    return tokens[0];
+}
+function blockToCharToken(block) {
+    if (block[0] === '\\') {
+        const next = block[1];
+        switch (next) {
+            case 'x': {
+                const allDigits = block.substring(2);
+                const codePoint = Number.parseInt(allDigits, 16);
+                const symbol = safeStringFromCodePoint(codePoint);
+                return { type: 'Char', kind: 'hex', symbol, value: block, codePoint };
+            }
+            case 'u': {
+                if (block === '\\u') {
+                    return simpleChar('u', true);
+                }
+                const allDigits = block[2] === '{' ? block.substring(3, block.length - 1) : block.substring(2);
+                const codePoint = Number.parseInt(allDigits, 16);
+                const symbol = safeStringFromCodePoint(codePoint);
+                return { type: 'Char', kind: 'unicode', symbol, value: block, codePoint };
+            }
+            case '0': {
+                return metaEscapedChar(block, '\0');
+            }
+            case 'n': {
+                return metaEscapedChar(block, '\n');
+            }
+            case 'f': {
+                return metaEscapedChar(block, '\f');
+            }
+            case 'r': {
+                return metaEscapedChar(block, '\r');
+            }
+            case 't': {
+                return metaEscapedChar(block, '\t');
+            }
+            case 'v': {
+                return metaEscapedChar(block, '\v');
+            }
+            case 'w':
+            case 'W':
+            case 'd':
+            case 'D':
+            case 's':
+            case 'S':
+            case 'b':
+            case 'B': {
+                return { type: 'Char', kind: 'meta', symbol: undefined, value: block, codePoint: Number.NaN };
+            }
+            default: {
+                if (isDigit(next)) {
+                    const allDigits = block.substring(1);
+                    const codePoint = Number(allDigits);
+                    const symbol = safeStringFromCodePoint(codePoint);
+                    return { type: 'Char', kind: 'decimal', symbol, value: block, codePoint };
+                }
+                if (block.length > 2 && (next === 'p' || next === 'P')) {
+                    throw new Error(`UnicodeProperty not implemented yet!`);
+                }
+                const char = block.substring(1);
+                return simpleChar(char, true);
+            }
+        }
+    }
+    return simpleChar(block);
+}
+function pushTokens(tokens, regexSource, unicodeMode, groups) {
+    let disjunctions = null;
+    for (let index = 0, block = (0, ReadRegex_1.readFrom)(regexSource, index, unicodeMode, ReadRegex_1.TokenizerBlockMode.Full); index !== regexSource.length; index += block.length, block = (0, ReadRegex_1.readFrom)(regexSource, index, unicodeMode, ReadRegex_1.TokenizerBlockMode.Full)) {
+        const firstInBlock = block[0];
+        switch (firstInBlock) {
+            case '|': {
+                if (disjunctions === null) {
+                    disjunctions = [];
+                }
+                disjunctions.push(toSingleToken(tokens.splice(0), true) || null);
+                break;
+            }
+            case '.': {
+                tokens.push({ type: 'Char', kind: 'meta', symbol: block, value: block, codePoint: Number.NaN });
+                break;
+            }
+            case '*':
+            case '+': {
+                const previous = safePop(tokens);
+                tokens.push({
+                    type: 'Repetition',
+                    expression: previous,
+                    quantifier: { type: 'Quantifier', kind: firstInBlock, greedy: true },
+                });
+                break;
+            }
+            case '?': {
+                const previous = safePop(tokens);
+                if (previous.type === 'Repetition') {
+                    previous.quantifier.greedy = false;
+                    tokens.push(previous);
+                }
+                else {
+                    tokens.push({
+                        type: 'Repetition',
+                        expression: previous,
+                        quantifier: { type: 'Quantifier', kind: firstInBlock, greedy: true },
+                    });
+                }
+                break;
+            }
+            case '{': {
+                if (block === '{') {
+                    tokens.push(simpleChar(block));
+                    break;
+                }
+                const previous = safePop(tokens);
+                const quantifierText = block.substring(1, block.length - 1);
+                const quantifierTokens = quantifierText.split(',');
+                const from = Number(quantifierTokens[0]);
+                const to = quantifierTokens.length === 1
+                    ? from
+                    : quantifierTokens[1].length !== 0
+                        ? Number(quantifierTokens[1])
+                        : undefined;
+                tokens.push({
+                    type: 'Repetition',
+                    expression: previous,
+                    quantifier: { type: 'Quantifier', kind: 'Range', greedy: true, from, to },
+                });
+                break;
+            }
+            case '[': {
+                const blockContent = block.substring(1, block.length - 1);
+                const subTokens = [];
+                let negative = undefined;
+                let previousWasSimpleDash = false;
+                for (let subIndex = 0, subBlock = (0, ReadRegex_1.readFrom)(blockContent, subIndex, unicodeMode, ReadRegex_1.TokenizerBlockMode.Character); subIndex !== blockContent.length; subIndex += subBlock.length,
+                    subBlock = (0, ReadRegex_1.readFrom)(blockContent, subIndex, unicodeMode, ReadRegex_1.TokenizerBlockMode.Character)) {
+                    if (subIndex === 0 && subBlock === '^') {
+                        negative = true;
+                        continue;
+                    }
+                    const newToken = blockToCharToken(subBlock);
+                    if (subBlock === '-') {
+                        subTokens.push(newToken);
+                        previousWasSimpleDash = true;
+                    }
+                    else {
+                        const operand1Token = subTokens.length >= 2 ? subTokens[subTokens.length - 2] : undefined;
+                        if (previousWasSimpleDash && operand1Token !== undefined && operand1Token.type === 'Char') {
+                            subTokens.pop();
+                            subTokens.pop();
+                            subTokens.push({ type: 'ClassRange', from: operand1Token, to: newToken });
+                        }
+                        else {
+                            subTokens.push(newToken);
+                        }
+                        previousWasSimpleDash = false;
+                    }
+                }
+                tokens.push({ type: 'CharacterClass', expressions: subTokens, negative });
+                break;
+            }
+            case '(': {
+                const blockContent = block.substring(1, block.length - 1);
+                const subTokens = [];
+                if (blockContent[0] === '?') {
+                    if (blockContent[1] === ':') {
+                        pushTokens(subTokens, blockContent.substring(2), unicodeMode, groups);
+                        tokens.push({
+                            type: 'Group',
+                            capturing: false,
+                            expression: toSingleToken(subTokens),
+                        });
+                    }
+                    else if (blockContent[1] === '=' || blockContent[1] === '!') {
+                        pushTokens(subTokens, blockContent.substring(2), unicodeMode, groups);
+                        tokens.push({
+                            type: 'Assertion',
+                            kind: 'Lookahead',
+                            negative: blockContent[1] === '!' ? true : undefined,
+                            assertion: toSingleToken(subTokens),
+                        });
+                    }
+                    else if (blockContent[1] === '<' && (blockContent[2] === '=' || blockContent[2] === '!')) {
+                        pushTokens(subTokens, blockContent.substring(3), unicodeMode, groups);
+                        tokens.push({
+                            type: 'Assertion',
+                            kind: 'Lookbehind',
+                            negative: blockContent[2] === '!' ? true : undefined,
+                            assertion: toSingleToken(subTokens),
+                        });
+                    }
+                    else {
+                        const chunks = blockContent.split('>');
+                        if (chunks.length < 2 || chunks[0][1] !== '<') {
+                            throw new Error(`Unsupported regex content found at ${JSON.stringify(block)}`);
+                        }
+                        const groupIndex = ++groups.lastIndex;
+                        const nameRaw = chunks[0].substring(2);
+                        groups.named.set(nameRaw, groupIndex);
+                        pushTokens(subTokens, chunks.slice(1).join('>'), unicodeMode, groups);
+                        tokens.push({
+                            type: 'Group',
+                            capturing: true,
+                            nameRaw,
+                            name: nameRaw,
+                            number: groupIndex,
+                            expression: toSingleToken(subTokens),
+                        });
+                    }
+                }
+                else {
+                    const groupIndex = ++groups.lastIndex;
+                    pushTokens(subTokens, blockContent, unicodeMode, groups);
+                    tokens.push({
+                        type: 'Group',
+                        capturing: true,
+                        number: groupIndex,
+                        expression: toSingleToken(subTokens),
+                    });
+                }
+                break;
+            }
+            default: {
+                if (block === '^') {
+                    tokens.push({ type: 'Assertion', kind: block });
+                }
+                else if (block === '$') {
+                    tokens.push({ type: 'Assertion', kind: block });
+                }
+                else if (block[0] === '\\' && isDigit(block[1])) {
+                    const reference = Number(block.substring(1));
+                    if (unicodeMode || reference <= groups.lastIndex) {
+                        tokens.push({ type: 'Backreference', kind: 'number', number: reference, reference });
+                    }
+                    else {
+                        tokens.push(blockToCharToken(block));
+                    }
+                }
+                else if (block[0] === '\\' && block[1] === 'k' && block.length !== 2) {
+                    const referenceRaw = block.substring(3, block.length - 1);
+                    tokens.push({
+                        type: 'Backreference',
+                        kind: 'name',
+                        number: groups.named.get(referenceRaw) || 0,
+                        referenceRaw,
+                        reference: referenceRaw,
+                    });
+                }
+                else {
+                    tokens.push(blockToCharToken(block));
+                }
+                break;
+            }
+        }
+    }
+    if (disjunctions !== null) {
+        disjunctions.push(toSingleToken(tokens.splice(0), true) || null);
+        let currentDisjunction = {
+            type: 'Disjunction',
+            left: disjunctions[0],
+            right: disjunctions[1],
+        };
+        for (let index = 2; index < disjunctions.length; ++index) {
+            currentDisjunction = {
+                type: 'Disjunction',
+                left: currentDisjunction,
+                right: disjunctions[index],
+            };
+        }
+        tokens.push(currentDisjunction);
+    }
+}
+function tokenizeRegex(regex) {
+    const unicodeMode = (0, globals_1.safeIndexOf)([...regex.flags], 'u') !== -1;
+    const regexSource = regex.source;
+    const tokens = [];
+    pushTokens(tokens, regexSource, unicodeMode, { lastIndex: 0, named: new Map() });
+    return toSingleToken(tokens);
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/TokenizeString.js

@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.tokenizeString = tokenizeString;
+const globals_1 = require("../../../utils/globals");
+function tokenizeString(patternsArb, value, minLength, maxLength) {
+    if (value.length === 0) {
+        if (minLength > 0) {
+            return undefined;
+        }
+        return [];
+    }
+    if (maxLength <= 0) {
+        return undefined;
+    }
+    const stack = [{ endIndexChunks: 0, nextStartIndex: 1, chunks: [] }];
+    while (stack.length > 0) {
+        const last = (0, globals_1.safePop)(stack);
+        for (let index = last.nextStartIndex; index <= value.length; ++index) {
+            const chunk = (0, globals_1.safeSubstring)(value, last.endIndexChunks, index);
+            if (patternsArb.canShrinkWithoutContext(chunk)) {
+                const newChunks = [...last.chunks, chunk];
+                if (index === value.length) {
+                    if (newChunks.length < minLength) {
+                        break;
+                    }
+                    return newChunks;
+                }
+                (0, globals_1.safePush)(stack, { endIndexChunks: last.endIndexChunks, nextStartIndex: index + 1, chunks: last.chunks });
+                if (newChunks.length < maxLength) {
+                    (0, globals_1.safePush)(stack, { endIndexChunks: index, nextStartIndex: index + 1, chunks: newChunks });
+                }
+                break;
+            }
+        }
+    }
+    return undefined;
+}

backend/node_modules/fast-check/lib/arbitrary/_internals/helpers/ZipIterableIterators.js

@@ -0,0 +1,30 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.zipIterableIterators = zipIterableIterators;
+function initZippedValues(its) {
+    const vs = [];
+    for (let index = 0; index !== its.length; ++index) {
+        vs.push(its[index].next());
+    }
+    return vs;
+}
+function nextZippedValues(its, vs) {
+    for (let index = 0; index !== its.length; ++index) {
+        vs[index] = its[index].next();
+    }
+}
+function isDoneZippedValues(vs) {
+    for (let index = 0; index !== vs.length; ++index) {
+        if (vs[index].done) {
+            return true;
+        }
+    }
+    return false;
+}
+function* zipIterableIterators(...its) {
+    const vs = initZippedValues(its);
+    while (!isDoneZippedValues(vs)) {
+        yield vs.map((v) => v.value);
+        nextZippedValues(its, vs);
+    }
+}