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import { hash } from '../utils/hash.js';
import { asyncStringify, asyncToStringMethod, stringify, toStringMethod } from '../utils/stringify.js';
import { cloneMethod, hasCloneMethod } from '../check/symbols.js';
import { array } from './array.js';
import { integer } from './integer.js';
import { noShrink } from './noShrink.js';
import { tuple } from './tuple.js';
import { escapeForMultilineComments } from './_internals/helpers/TextEscaper.js';
import { safeMap, safeSort } from '../utils/globals.js';
const safeObjectDefineProperties = Object.defineProperties;
const safeObjectKeys = Object.keys;
export function func(arb) {
return tuple(array(arb, { minLength: 1 }), noShrink(integer())).map(([outs, seed]) => {
const producer = () => {
const recorded = {};
const f = (...args) => {
const repr = stringify(args);
const val = outs[hash(`${seed}${repr}`) % outs.length];
recorded[repr] = val;
return hasCloneMethod(val) ? val[cloneMethod]() : val;
};
function prettyPrint(stringifiedOuts) {
const seenValues = safeMap(safeMap(safeSort(safeObjectKeys(recorded)), (k) => `${k} => ${stringify(recorded[k])}`), (line) => `/* ${escapeForMultilineComments(line)} */`);
return `function(...args) {
// With hash and stringify coming from fast-check${seenValues.length !== 0 ? `\n ${seenValues.join('\n ')}` : ''}
const outs = ${stringifiedOuts};
return outs[hash('${seed}' + stringify(args)) % outs.length];
}`;
}
return safeObjectDefineProperties(f, {
toString: { value: () => prettyPrint(stringify(outs)) },
[toStringMethod]: { value: () => prettyPrint(stringify(outs)) },
[asyncToStringMethod]: { value: async () => prettyPrint(await asyncStringify(outs)) },
[cloneMethod]: { value: producer, configurable: true },
});
};
return producer();
});
}
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