shift-interpreter/dist/test/waterfall.test.js

Shift-interpreter is an experimental JavaScript meta-interpreter useful for reverse engineering and analysis. One notable difference from other projects is that shift-interpreter retains state over an entire script but can be fed expressions and statement

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = __importDefault(require("chai"));
const waterfall_1 = require("../src/waterfall");
describe('waterfall', () => {
    it('should run a series of promises in order', async function () {
        const array = ['something', 1, { other: 'this' }];
        const arrayIndex = [];
        function promiseGenerator(el, i) {
            return new Promise((res, rej) => {
                setTimeout(() => res(el), Math.random() * 200);
            });
        }
        function promiseGeneratorIndex(el, i) {
            return new Promise((res, rej) => {
                setTimeout(() => {
                    arrayIndex[i] = el;
                    res();
                }, Math.random() * 200);
            });
        }
        const newArray = await waterfall_1.waterfallMap(array, promiseGenerator);
        chai_1.default.expect(newArray).to.deep.equal(array);
        await waterfall_1.waterfallMap(array, promiseGeneratorIndex);
        chai_1.default.expect(arrayIndex).to.deep.equal(array);
        chai_1.default.expect(arrayIndex).to.deep.equal(newArray);
    });
});
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