predict-v8-randomness/dist/cjs/bin/predict-v8-randomness.js

Predict the output of Math.random

#!/usr/bin/env node
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const yargs_1 = __importDefault(require("yargs"));
const helpers_1 = require("yargs/helpers");
const runPredictor_1 = require("./runPredictor");
const predictCommand = {
    command: "*",
    describe: "Predict future Math.random() values from seed or sequence",
    builder: (yargs) => {
        return yargs
            .option("sequence", {
            alias: "seq",
            describe: "Manually provided seed values",
            type: "array",
            demandOption: false,
        })
            .option("predictions", {
            alias: "p",
            describe: "Number of future predictions to make",
            type: "number",
            demandOption: true,
        })
            .check((argv) => {
            if (argv.sequence && !argv.predictions) {
                throw new Error("The --predictions option is required if --sequence is used");
            }
            return true;
        });
    },
    handler: (argv) => __awaiter(void 0, void 0, void 0, function* () {
        try {
            const result = yield (0, runPredictor_1.runPredictor)(argv);
            console.log(JSON.stringify(result, null, 2));
        }
        catch (err) {
            console.error(err.message);
            process.exit(1);
        }
    }),
};
(0, yargs_1.default)((0, helpers_1.hideBin)(process.argv)).scriptName("predict-v8-randomness").usage("$0 [args]").command(predictCommand).help().argv;