"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.RandomJson = void 0; const defaultOpts = { rootNode: 'object', nodeCount: 32, odds: { null: 1, boolean: 2, number: 10, string: 8, binary: 0, array: 2, object: 2, }, }; const ascii = () => { return String.fromCharCode(Math.floor(32 + Math.random() * (126 - 32))); }; const alphabet = [ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '_', '.', ',', ';', '!', '@', '#', '$', '%', '^', '&', '*', '\\', '/', '(', ')', '+', '=', '\n', '👍', '🏻', '😛', 'ä', 'ö', 'ü', 'ß', 'а', 'б', 'в', 'г', '诶', '必', '西', ]; const utf16 = () => { return alphabet[Math.floor(Math.random() * alphabet.length)]; }; class RandomJson { static generate(opts) { const rnd = new RandomJson(opts); return rnd.create(); } static genBoolean() { return Math.random() > 0.5; } static genNumber() { const num = Math.random() > 0.2 ? Math.random() * 1e9 : Math.random() < 0.2 ? Math.round(0xff * (2 * Math.random() - 1)) : Math.random() < 0.2 ? Math.round(0xffff * (2 * Math.random() - 1)) : Math.round(Number.MAX_SAFE_INTEGER * (2 * Math.random() - 1)); if (num === -0) return 0; return num; } static genString(length = Math.ceil(Math.random() * 16)) { let str = ''; if (Math.random() < 0.1) for (let i = 0; i < length; i++) str += utf16(); else for (let i = 0; i < length; i++) str += ascii(); if (str.length !== length) return ascii().repeat(length); return str; } static genBinary(length = Math.ceil(Math.random() * 16)) { const buf = new Uint8Array(length); for (let i = 0; i < length; i++) buf[i] = Math.floor(Math.random() * 256); return buf; } static genArray(options = { odds: defaultOpts.odds }) { return RandomJson.generate({ nodeCount: 6, ...options, rootNode: 'array', }); } static genObject(options = { odds: defaultOpts.odds }) { return RandomJson.generate({ nodeCount: 6, ...options, rootNode: 'object', }); } constructor(opts = {}) { this.containers = []; this.opts = { ...defaultOpts, ...opts }; this.oddTotals = {}; this.oddTotals.null = this.opts.odds.null; this.oddTotals.boolean = this.oddTotals.null + this.opts.odds.boolean; this.oddTotals.number = this.oddTotals.boolean + this.opts.odds.number; this.oddTotals.string = this.oddTotals.number + this.opts.odds.string; this.oddTotals.binary = this.oddTotals.string + this.opts.odds.binary; this.oddTotals.array = this.oddTotals.string + this.opts.odds.array; this.oddTotals.object = this.oddTotals.array + this.opts.odds.object; this.totalOdds = this.opts.odds.null + this.opts.odds.boolean + this.opts.odds.number + this.opts.odds.string + this.opts.odds.binary + this.opts.odds.array + this.opts.odds.object; this.root = this.opts.rootNode === 'object' ? {} : this.opts.rootNode === 'array' ? [] : this.pickContainerType() === 'object' ? {} : []; this.containers.push(this.root); } create() { for (let i = 0; i < this.opts.nodeCount; i++) this.addNode(); return this.root; } addNode() { const container = this.pickContainer(); const newNodeType = this.pickNodeType(); const node = this.generate(newNodeType); if (node && typeof node === 'object') this.containers.push(node); if (Array.isArray(container)) { const index = Math.floor(Math.random() * (container.length + 1)); container.splice(index, 0, node); } else { const key = RandomJson.genString(); container[key] = node; } } generate(type) { switch (type) { case 'null': return null; case 'boolean': return RandomJson.genBoolean(); case 'number': return RandomJson.genNumber(); case 'string': return RandomJson.genString(); case 'binary': return RandomJson.genBinary(); case 'array': return []; case 'object': return {}; } } pickNodeType() { const odd = Math.random() * this.totalOdds; if (odd <= this.oddTotals.null) return 'null'; if (odd <= this.oddTotals.boolean) return 'boolean'; if (odd <= this.oddTotals.number) return 'number'; if (odd <= this.oddTotals.string) return 'string'; if (odd <= this.oddTotals.binary) return 'binary'; if (odd <= this.oddTotals.array) return 'array'; return 'object'; } pickContainerType() { const sum = this.opts.odds.array + this.opts.odds.object; if (Math.random() < this.opts.odds.array / sum) return 'array'; return 'object'; } pickContainer() { return this.containers[Math.floor(Math.random() * this.containers.length)]; } } exports.RandomJson = RandomJson; //# sourceMappingURL=RandomJson.js.map