231 lines
5.8 KiB
JavaScript
231 lines
5.8 KiB
JavaScript
/* eslint-disable no-eval, no-process-exit, no-unused-vars */
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import { Observable } from 'rx';
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import tape from 'tape';
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import getChallenges from './getChallenges';
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import MongoIds from './mongoIds';
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import ChallengeTitles from './challengeTitles';
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import addAssertsToTapTest from './addAssertsToTapTest';
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import { validateChallenge } from './schema/challengeSchema';
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// modern challengeType
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const modern = 6;
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let mongoIds = new MongoIds();
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let challengeTitles = new ChallengeTitles();
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function evaluateTest(
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solution,
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assert,
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react,
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redux,
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reactRedux,
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head,
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tail,
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test,
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tapTest
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) {
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let code = solution;
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/* NOTE: Provide dependencies for React/Redux challenges
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* and configure testing environment
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*/
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let React, ReactDOM, Redux, ReduxThunk, ReactRedux, Enzyme, document;
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// Fake Deep Equal dependency
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const DeepEqual = (a, b) => JSON.stringify(a) === JSON.stringify(b);
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// Hardcode Deep Freeze dependency
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const DeepFreeze = o => {
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Object.freeze(o);
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Object.getOwnPropertyNames(o).forEach(function(prop) {
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if (
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o.hasOwnProperty(prop) &&
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o[prop] !== null &&
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(typeof o[prop] === 'object' || typeof o[prop] === 'function') &&
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!Object.isFrozen(o[prop])
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) {
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DeepFreeze(o[prop]);
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}
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});
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return o;
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};
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if (react || redux || reactRedux) {
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// Provide dependencies, just provide all of them
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React = require('react');
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ReactDOM = require('react-dom');
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Redux = require('redux');
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ReduxThunk = require('redux-thunk');
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ReactRedux = require('react-redux');
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Enzyme = require('enzyme');
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const Adapter15 = require('enzyme-adapter-react-15');
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Enzyme.configure({ adapter: new Adapter15() });
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/* Transpile ALL the code
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* (we may use JSX in head or tail or tests, too): */
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const transform = require('babel-standalone').transform;
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const options = { presets: ['es2015', 'react'] };
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head = transform(head, options).code;
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solution = transform(solution, options).code;
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tail = transform(tail, options).code;
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test = transform(test, options).code;
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const { JSDOM } = require('jsdom');
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// Mock DOM document for ReactDOM.render method
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const jsdom = new JSDOM(`<!doctype html>
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<html>
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<body>
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<div id="challenge-node"></div>
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</body>
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</html>
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`);
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const { window } = jsdom;
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// Mock DOM for ReactDOM tests
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document = window.document;
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global.window = window;
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global.document = window.document;
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}
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/* eslint-enable no-unused-vars */
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try {
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(() => {
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return eval(
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head + '\n' + solution + '\n' + tail + '\n' + test.testString
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);
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})();
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} catch (e) {
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console.log(head + '\n' + solution + '\n' + tail + '\n' + test.testString);
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console.log(e);
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tapTest.fail(e);
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process.exit(1);
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}
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}
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function createTest({
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title,
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id = '',
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tests = [],
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solutions = [],
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files = [],
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react = false,
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redux = false,
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reactRedux = false
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}) {
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mongoIds.check(id, title);
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challengeTitles.check(title);
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solutions = solutions.filter(solution => !!solution);
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tests = tests.filter(test => !!test);
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// No support for async tests
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const isAsync = s => s.includes('(async () => ');
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if (isAsync(tests.join(''))) {
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console.log(`Replacing Async Tests for Challenge ${title}`);
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tests = tests.map(
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challengeTestSource =>
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isAsync(challengeTestSource)
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? "assert(true, 'message: great');"
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: challengeTestSource
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);
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}
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const { head, tail } = Object.keys(files)
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.map(key => files[key])
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.reduce(
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(result, file) => ({
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head: result.head + ';' + file.head.join('\n'),
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tail: result.tail + ';' + file.tail.join('\n')
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}),
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{ head: '', tail: '' }
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);
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const plan = tests.length;
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if (!plan) {
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return Observable.just({
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title,
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type: 'missing'
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});
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}
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return Observable.fromCallback(tape)(title)
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.doOnNext(
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tapTest => (solutions.length ? tapTest.plan(plan) : tapTest.end())
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)
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.flatMap(tapTest => {
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if (solutions.length <= 0) {
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return Observable.just({
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title,
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type: 'missing'
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});
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}
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return (
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Observable.just(tapTest)
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.map(addAssertsToTapTest)
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/* eslint-disable no-unused-vars */
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// assert and code used within the eval
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.doOnNext(assert => {
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solutions.forEach(solution => {
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tests.forEach(test => {
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evaluateTest(
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solution,
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assert,
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react,
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redux,
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reactRedux,
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head,
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tail,
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test,
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tapTest
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);
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});
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});
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})
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.map(() => ({ title }))
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);
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});
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}
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Observable.from(getChallenges())
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.do(({ challenges }) => {
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challenges.forEach(challenge => {
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const result = validateChallenge(challenge);
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if (result.error) {
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console.log(result.value);
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throw new Error(result.error);
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}
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});
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})
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.flatMap(challengeSpec => {
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return Observable.from(challengeSpec.challenges);
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})
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.filter(({ challengeType }) => challengeType !== modern)
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.flatMap(challenge => {
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return createTest(challenge);
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})
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.map(({ title, type }) => {
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if (type === 'missing') {
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return title;
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}
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return false;
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})
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.filter(title => !!title)
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.toArray()
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.subscribe(
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noSolutions => {
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if (noSolutions) {
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console.log(
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'# These challenges have no solutions\n- [ ] ' +
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noSolutions.join('\n- [ ] ')
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);
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}
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},
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err => {
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throw err;
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},
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() => process.exit(0)
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);
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