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

Predict the output of Math.random

"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());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.runPredictor = runPredictor;
const lib_1 = require("../lib");
function runPredictor(argv) {
    return __awaiter(this, void 0, void 0, function* () {
        if (!argv.sequence) {
            const dynamicPredictor = new lib_1.Predictor();
            const predictions = yield dynamicPredictor.predictNext(argv.predictions);
            const actual = Array.from({ length: argv.predictions }, Math.random);
            return {
                mode: "seeds",
                generatedSequence: dynamicPredictor.sequence,
                predictions,
                actual,
                isCorrect: predictions.every((e, i) => actual[i] === e),
            };
        }
        if (argv.sequence) {
            const userPredictor = new lib_1.Predictor(argv.sequence);
            const future = yield userPredictor.predictNext(argv.predictions);
            return {
                mode: "sequence",
                sequence: userPredictor.sequence,
                predictions: future,
                actual: "You'll need to get this yourself via the same way you generated the sequence",
            };
        }
        throw new Error("Please provide either --seeds or --sequence along with --predictions");
    });
}