297 lines
9.4 KiB
TypeScript
297 lines
9.4 KiB
TypeScript
/**
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* Copyright 2023 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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import {stdin as input, stdout as output} from 'process';
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import * as readline from 'readline';
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import ProgressBar from 'progress';
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import yargs from 'yargs';
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import {hideBin} from 'yargs/helpers';
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import {
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resolveBuildId,
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Browser,
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BrowserPlatform,
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ChromeReleaseChannel,
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} from './browser-data/browser-data.js';
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import {Cache} from './Cache.js';
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import {detectBrowserPlatform} from './detectPlatform.js';
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import {fetch} from './fetch.js';
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import {
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computeExecutablePath,
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computeSystemExecutablePath,
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launch,
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} from './launcher.js';
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type InstallArgs = {
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browser: {
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name: Browser;
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buildId: string;
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};
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path?: string;
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platform?: BrowserPlatform;
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};
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type LaunchArgs = {
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browser: {
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name: Browser;
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buildId: string;
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};
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path?: string;
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platform?: BrowserPlatform;
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detached: boolean;
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system: boolean;
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};
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type ClearArgs = {
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path?: string;
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};
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export class CLI {
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#cachePath;
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#rl?: readline.Interface;
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constructor(cachePath = process.cwd(), rl?: readline.Interface) {
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this.#cachePath = cachePath;
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this.#rl = rl;
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}
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#defineBrowserParameter(yargs: yargs.Argv<unknown>): void {
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yargs.positional('browser', {
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description:
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'Which browser to install <browser>[@<buildId|latest>]. `latest` will try to find the latest available build. `buildId` is a browser-specific identifier such as a version or a revision.',
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type: 'string',
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coerce: (opt): InstallArgs['browser'] => {
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return {
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name: this.#parseBrowser(opt),
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buildId: this.#parseBuildId(opt),
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};
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},
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});
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}
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#definePlatformParameter(yargs: yargs.Argv<unknown>): void {
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yargs.option('platform', {
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type: 'string',
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desc: 'Platform that the binary needs to be compatible with.',
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choices: Object.values(BrowserPlatform),
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defaultDescription: 'Auto-detected',
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});
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}
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#definePathParameter(yargs: yargs.Argv<unknown>, required = false): void {
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yargs.option('path', {
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type: 'string',
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desc: 'Path to the root folder for the browser downloads and installation. The installation folder structure is compatible with the cache structure used by Puppeteer.',
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defaultDescription: 'Current working directory',
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...(required ? {} : {default: process.cwd()}),
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});
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if (required) {
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yargs.demandOption('path');
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}
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}
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async run(argv: string[]): Promise<void> {
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await yargs(hideBin(argv))
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.scriptName('@puppeteer/browsers')
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.command(
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'install <browser>',
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'Download and install the specified browser. If successful, the command outputs the actual browser buildId that was installed and the absolute path to the browser executable (format: <browser>@<buildID> <path>).',
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yargs => {
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this.#defineBrowserParameter(yargs);
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this.#definePlatformParameter(yargs);
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this.#definePathParameter(yargs);
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yargs.example(
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'$0 install chrome',
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'Install the latest available build of the Chrome browser.'
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);
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yargs.example(
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'$0 install chrome@latest',
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'Install the latest available build for the Chrome browser.'
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);
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yargs.example(
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'$0 install chromium@1083080',
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'Install the revision 1083080 of the Chromium browser.'
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);
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yargs.example(
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'$0 install firefox',
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'Install the latest available build of the Firefox browser.'
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);
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yargs.example(
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'$0 install firefox --platform mac',
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'Install the latest Mac (Intel) build of the Firefox browser.'
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);
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yargs.example(
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'$0 install firefox --path /tmp/my-browser-cache',
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'Install to the specified cache directory.'
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);
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},
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async argv => {
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const args = argv as unknown as InstallArgs;
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args.platform ??= detectBrowserPlatform();
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if (!args.platform) {
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throw new Error(`Could not resolve the current platform`);
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}
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args.browser.buildId = await resolveBuildId(
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args.browser.name,
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args.platform,
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args.browser.buildId
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);
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await fetch({
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browser: args.browser.name,
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buildId: args.browser.buildId,
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platform: args.platform,
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cacheDir: args.path ?? this.#cachePath,
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downloadProgressCallback: this.#makeProgressCallback(
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args.browser.name,
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args.browser.buildId
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),
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});
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console.log(
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`${args.browser.name}@${
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args.browser.buildId
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} ${computeExecutablePath({
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browser: args.browser.name,
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buildId: args.browser.buildId,
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cacheDir: args.path ?? this.#cachePath,
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platform: args.platform,
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})}`
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);
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}
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)
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.command(
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'launch <browser>',
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'Launch the specified browser',
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yargs => {
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this.#defineBrowserParameter(yargs);
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this.#definePlatformParameter(yargs);
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this.#definePathParameter(yargs);
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yargs.option('detached', {
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type: 'boolean',
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desc: 'Detach the child process.',
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default: false,
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});
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yargs.option('system', {
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type: 'boolean',
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desc: 'Search for a browser installed on the system instead of the cache folder.',
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default: false,
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});
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yargs.example(
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'$0 launch chrome@1083080',
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'Launch the Chrome browser identified by the revision 1083080.'
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);
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yargs.example(
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'$0 launch firefox@112.0a1',
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'Launch the Firefox browser identified by the milestone 112.0a1.'
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);
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yargs.example(
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'$0 launch chrome@1083080 --detached',
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'Launch the browser but detach the sub-processes.'
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);
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yargs.example(
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'$0 launch chrome@canary --system',
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'Try to locate the Canary build of Chrome installed on the system and launch it.'
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);
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},
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async argv => {
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const args = argv as unknown as LaunchArgs;
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const executablePath = args.system
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? computeSystemExecutablePath({
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browser: args.browser.name,
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// TODO: throw an error if not a ChromeReleaseChannel is provided.
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channel: args.browser.buildId as ChromeReleaseChannel,
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platform: args.platform,
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})
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: computeExecutablePath({
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browser: args.browser.name,
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buildId: args.browser.buildId,
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cacheDir: args.path ?? this.#cachePath,
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platform: args.platform,
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});
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launch({
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executablePath,
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detached: args.detached,
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});
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}
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)
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.command(
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'clear',
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'Removes all installed browsers from the specified cache directory',
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yargs => {
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this.#definePathParameter(yargs, true);
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},
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async argv => {
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const args = argv as unknown as ClearArgs;
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const cacheDir = args.path ?? this.#cachePath;
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const rl = this.#rl ?? readline.createInterface({input, output});
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rl.question(
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`Do you want to permanently and recursively delete the content of ${cacheDir} (yes/No)? `,
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answer => {
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rl.close();
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if (!['y', 'yes'].includes(answer.toLowerCase().trim())) {
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console.log('Cancelled.');
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return;
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}
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const cache = new Cache(cacheDir);
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cache.clear();
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console.log(`${cacheDir} cleared.`);
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}
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);
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}
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)
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.demandCommand(1)
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.help()
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.wrap(Math.min(120, yargs.terminalWidth()))
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.parse();
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}
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#parseBrowser(version: string): Browser {
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return version.split('@').shift() as Browser;
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}
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#parseBuildId(version: string): string {
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return version.split('@').pop() ?? 'latest';
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}
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#toMegabytes(bytes: number) {
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const mb = bytes / 1000 / 1000;
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return `${Math.round(mb * 10) / 10} MB`;
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}
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#makeProgressCallback(browser: Browser, buildId: string) {
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let progressBar: ProgressBar;
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let lastDownloadedBytes = 0;
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return (downloadedBytes: number, totalBytes: number) => {
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if (!progressBar) {
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progressBar = new ProgressBar(
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`Downloading ${browser} r${buildId} - ${this.#toMegabytes(
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totalBytes
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)} [:bar] :percent :etas `,
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{
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complete: '=',
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incomplete: ' ',
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width: 20,
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total: totalBytes,
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}
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);
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}
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const delta = downloadedBytes - lastDownloadedBytes;
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lastDownloadedBytes = downloadedBytes;
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progressBar.tick(delta);
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};
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}
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}
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