43 lines
2.2 KiB
JavaScript
43 lines
2.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.func = func;
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const hash_1 = require("../utils/hash");
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const stringify_1 = require("../utils/stringify");
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const symbols_1 = require("../check/symbols");
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const array_1 = require("./array");
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const integer_1 = require("./integer");
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const noShrink_1 = require("./noShrink");
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const tuple_1 = require("./tuple");
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const TextEscaper_1 = require("./_internals/helpers/TextEscaper");
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const globals_1 = require("../utils/globals");
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const safeObjectDefineProperties = Object.defineProperties;
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const safeObjectKeys = Object.keys;
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function func(arb) {
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return (0, tuple_1.tuple)((0, array_1.array)(arb, { minLength: 1 }), (0, noShrink_1.noShrink)((0, integer_1.integer)())).map(([outs, seed]) => {
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const producer = () => {
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const recorded = {};
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const f = (...args) => {
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const repr = (0, stringify_1.stringify)(args);
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const val = outs[(0, hash_1.hash)(`${seed}${repr}`) % outs.length];
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recorded[repr] = val;
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return (0, symbols_1.hasCloneMethod)(val) ? val[symbols_1.cloneMethod]() : val;
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};
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function prettyPrint(stringifiedOuts) {
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const seenValues = (0, globals_1.safeMap)((0, globals_1.safeMap)((0, globals_1.safeSort)(safeObjectKeys(recorded)), (k) => `${k} => ${(0, stringify_1.stringify)(recorded[k])}`), (line) => `/* ${(0, TextEscaper_1.escapeForMultilineComments)(line)} */`);
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return `function(...args) {
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// With hash and stringify coming from fast-check${seenValues.length !== 0 ? `\n ${seenValues.join('\n ')}` : ''}
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const outs = ${stringifiedOuts};
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return outs[hash('${seed}' + stringify(args)) % outs.length];
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}`;
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}
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return safeObjectDefineProperties(f, {
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toString: { value: () => prettyPrint((0, stringify_1.stringify)(outs)) },
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[stringify_1.toStringMethod]: { value: () => prettyPrint((0, stringify_1.stringify)(outs)) },
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[stringify_1.asyncToStringMethod]: { value: async () => prettyPrint(await (0, stringify_1.asyncStringify)(outs)) },
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[symbols_1.cloneMethod]: { value: producer, configurable: true },
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});
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};
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return producer();
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});
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}
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