mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
288 lines
7.3 KiB
JavaScript
Executable File
288 lines
7.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const assert = require('assert');
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const https = require('https');
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const packageJSON = require('../package.json');
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const BrowserFetcher = require('../lib/BrowserFetcher').BrowserFetcher;
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const SUPPORTER_PLATFORMS = ['linux', 'mac', 'win32', 'win64'];
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const fetchers = SUPPORTER_PLATFORMS.map(
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(platform) => new BrowserFetcher('', { platform })
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);
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const colors = {
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reset: '\x1b[0m',
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red: '\x1b[31m',
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green: '\x1b[32m',
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yellow: '\x1b[33m',
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};
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class Table {
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/**
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* @param {!Array<number>} columnWidths
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*/
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constructor(columnWidths) {
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this.widths = columnWidths;
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}
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/**
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* @param {!Array<string>} values
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*/
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drawRow(values) {
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assert(values.length === this.widths.length);
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let row = '';
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for (let i = 0; i < values.length; ++i)
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row += padCenter(values[i], this.widths[i]);
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console.log(row);
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}
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}
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const helpMessage = `
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This script checks availability of prebuilt Chromium snapshots.
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Usage: node check_availability.js [<options>] [<browser version(s)>]
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options
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-f full mode checks availability of all the platforms, default mode
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-r roll mode checks for the most recent Chromium roll candidate
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-h show this help
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browser version(s)
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<revision> single revision number means checking for this specific revision
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<from> <to> checks all the revisions within a given range, inclusively
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Examples
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To check Chromium availability of a certain revision
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node check_availability.js [revision]
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To find a Chromium roll candidate for current Stable Linux version
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node check_availability.js -r
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To check Chromium availability from the latest revision in a descending order
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node check_availability.js
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`;
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function main() {
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const args = process.argv.slice(2);
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if (args.length > 3) {
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console.log(helpMessage);
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return;
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}
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if (args.length === 0) {
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checkOmahaProxyAvailability();
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return;
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}
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if (args[0].startsWith('-')) {
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const option = args[0].substring(1);
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switch (option) {
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case 'f':
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break;
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case 'r':
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checkRollCandidate();
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return;
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default:
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console.log(helpMessage);
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return;
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}
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args.splice(0, 1); // remove options arg since we are done with options
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}
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if (args.length === 1) {
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const revision = parseInt(args[0], 10);
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checkRangeAvailability({
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fromRevision: revision,
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toRevision: revision,
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stopWhenAllAvailable: false,
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});
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} else {
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const fromRevision = parseInt(args[0], 10);
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const toRevision = parseInt(args[1], 10);
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checkRangeAvailability({
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fromRevision,
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toRevision,
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stopWhenAllAvailable: false,
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});
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}
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}
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async function checkOmahaProxyAvailability() {
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const latestRevisions = (
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await Promise.all([
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fetch(
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'https://storage.googleapis.com/chromium-browser-snapshots/Mac/LAST_CHANGE'
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),
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fetch(
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'https://storage.googleapis.com/chromium-browser-snapshots/Linux_x64/LAST_CHANGE'
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),
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fetch(
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'https://storage.googleapis.com/chromium-browser-snapshots/Win/LAST_CHANGE'
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),
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fetch(
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'https://storage.googleapis.com/chromium-browser-snapshots/Win_x64/LAST_CHANGE'
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),
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])
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).map((s) => parseInt(s, 10));
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const from = Math.max(...latestRevisions);
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checkRangeAvailability({
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fromRevision: from,
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toRevision: 0,
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stopWhenAllAvailable: false,
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});
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}
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async function checkRollCandidate() {
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const omahaResponse = await fetch(
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'https://omahaproxy.appspot.com/all.json?channel=stable&os=linux'
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);
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const stableLinuxInfo = JSON.parse(omahaResponse)[0];
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if (!stableLinuxInfo) {
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console.error('no stable linux information available from omahaproxy');
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return;
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}
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const stableLinuxRevision = parseInt(
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stableLinuxInfo.versions[0].branch_base_position,
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10
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);
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const currentRevision = parseInt(packageJSON.puppeteer.chromium_revision, 10);
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checkRangeAvailability({
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fromRevision: stableLinuxRevision,
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toRevision: currentRevision,
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stopWhenAllAvailable: true,
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});
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}
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/**
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* @param {*} options
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*/
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async function checkRangeAvailability({
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fromRevision,
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toRevision,
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stopWhenAllAvailable,
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}) {
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const table = new Table([10, 7, 7, 7, 7]);
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table.drawRow([''].concat(SUPPORTER_PLATFORMS));
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const inc = fromRevision < toRevision ? 1 : -1;
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const revisionToStop = toRevision + inc; // +inc so the range is fully inclusive
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for (
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let revision = fromRevision;
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revision !== revisionToStop;
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revision += inc
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) {
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const allAvailable = await checkAndDrawRevisionAvailability(
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table,
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'',
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revision
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);
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if (allAvailable && stopWhenAllAvailable) break;
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}
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}
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/**
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* @param {!Table} table
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* @param {string} name
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* @param {number} revision
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* @return {boolean}
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*/
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async function checkAndDrawRevisionAvailability(table, name, revision) {
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const promises = fetchers.map((fetcher) => fetcher.canDownload(revision));
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const availability = await Promise.all(promises);
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const allAvailable = availability.every((e) => !!e);
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const values = [
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name +
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' ' +
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(allAvailable ? colors.green + revision + colors.reset : revision),
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];
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for (let i = 0; i < availability.length; ++i) {
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const decoration = availability[i] ? '+' : '-';
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const color = availability[i] ? colors.green : colors.red;
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values.push(color + decoration + colors.reset);
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}
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table.drawRow(values);
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return allAvailable;
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}
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/**
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* @param {string} url
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* @return {!Promise<?string>}
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*/
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function fetch(url) {
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let resolve;
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const promise = new Promise((x) => (resolve = x));
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https
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.get(url, (response) => {
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if (response.statusCode !== 200) {
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resolve(null);
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return;
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}
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let body = '';
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response.on('data', function (chunk) {
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body += chunk;
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});
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response.on('end', function () {
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resolve(body);
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});
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})
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.on('error', function (e) {
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console.error('Error fetching json: ' + e);
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resolve(null);
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});
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return promise;
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}
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/**
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* @param {number} size
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* @return {string}
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*/
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function spaceString(size) {
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return new Array(size).fill(' ').join('');
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}
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/**
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* @param {string} text
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* @return {string}
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*/
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function filterOutColors(text) {
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for (const colorName in colors) {
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const color = colors[colorName];
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text = text.replace(color, '');
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}
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return text;
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}
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/**
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* @param {string} text
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* @param {number} length
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* @return {string}
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*/
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function padCenter(text, length) {
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const printableCharacters = filterOutColors(text);
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if (printableCharacters.length >= length) return text;
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const left = Math.floor((length - printableCharacters.length) / 2);
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const right = Math.ceil((length - printableCharacters.length) / 2);
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return spaceString(left) + text + spaceString(right);
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}
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main();
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