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678/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// @ts-check
const child_process = require('child_process');
const path = require('path');
const chokidar = require('chokidar');
const fs = require('fs');
const { workspace } = require('../workspace');
const { build, context } = require('esbuild');
/**
* @typedef {{
* files: string,
* from: string,
* to: string,
* ignored?: string[],
* }} CopyFile
*/
/**
* @typedef {{
* inputs: string[],
* mustExist?: string[],
* cwd?: string,
* }} BaseOnChange
*/
/**
* @typedef {BaseOnChange & {
* command: string,
* args?: string[],
* }} CommandOnChange
*/
/**
* @typedef {BaseOnChange & {
* script: string,
* }} ScriptOnChange
*/
/**
* @typedef {CommandOnChange|ScriptOnChange} OnChange
*/
/** @type {(() => void)[]} */
const disposables = [];
/** @type {Step[]} */
const steps = [];
/** @type {OnChange[]} */
const onChanges = [];
/** @type {CopyFile[]} */
const copyFiles = [];
const watchMode = process.argv.slice(2).includes('--watch');
const withSourceMaps = watchMode;
const disableInstall = process.argv.slice(2).includes('--disable-install');
const ROOT = path.join(__dirname, '..', '..');
/**
* @param {string} relative
* @returns {string}
*/
function filePath(relative) {
return path.join(ROOT, ...relative.split('/'));
}
/**
* @param {string} path
* @returns {string}
*/
function quotePath(path) {
return "\"" + path + "\"";
}
class Step {
/**
* @param {{
* concurrent?: boolean,
* }} options
*/
constructor(options) {
this.concurrent = options.concurrent;
}
async run() {
throw new Error('Not implemented');
}
}
class ProgramStep extends Step {
/**
* @param {{
* command: string,
* args: string[],
* shell: boolean,
* env?: NodeJS.ProcessEnv,
* cwd?: string,
* concurrent?: boolean,
* }} options
*/
constructor(options) {
super(options);
this._options = options;
}
/** @override */
async run() {
const step = this._options;
console.log(`==== Running ${step.command} ${step.args.join(' ')} in ${step.cwd || process.cwd()}`);
const child = child_process.spawn(step.command, step.args, {
stdio: 'inherit',
shell: step.shell,
env: {
...process.env,
...step.env
},
cwd: step.cwd,
});
disposables.push(() => {
if (child.exitCode === null)
child.kill();
});
return new Promise((resolve, reject) => {
child.on('close', (code, signal) => {
if (code || signal)
reject(new Error(`'${step.command} ${step.args.join(' ')}' exited with code ${code}, signal ${signal}`));
else
resolve({ });
});
});
}
}
/**
* @param {OnChange} onChange
*/
async function runOnChangeStep(onChange) {
const step = ('script' in onChange)
? new ProgramStep({ command: 'node', args: [filePath(onChange.script)], shell: false })
: new ProgramStep({ command: onChange.command, args: onChange.args || [], shell: true, cwd: onChange.cwd });
await step.run();
}
async function runWatch() {
/** @param {OnChange} onChange */
function runOnChange(onChange) {
const paths = onChange.inputs;
const mustExist = onChange.mustExist || [];
let timeout;
function callback() {
timeout = undefined;
for (const fileMustExist of mustExist) {
if (!fs.existsSync(filePath(fileMustExist)))
return;
}
runOnChangeStep(onChange).catch(e => console.error(e));
}
// chokidar will report all files as added in a sync loop, throttle those.
const reschedule = () => {
if (timeout)
clearTimeout(timeout);
timeout = setTimeout(callback, 500);
};
chokidar.watch([...paths, ...mustExist, onChange.script].filter(Boolean).map(filePath)).on('all', reschedule);
callback();
}
for (const { files, from, to, ignored } of copyFiles) {
const watcher = chokidar.watch([filePath(files)], { ignored });
watcher.on('all', (event, file) => {
copyFile(file, from, to);
});
}
for (const step of steps) {
if (!step.concurrent)
await step.run();
}
for (const step of steps) {
if (step.concurrent)
step.run().catch(e => console.error(e));
}
for (const onChange of onChanges)
runOnChange(onChange);
}
async function runBuild() {
for (const { files, from, to, ignored } of copyFiles) {
const watcher = chokidar.watch([filePath(files)], {
ignored
});
watcher.on('add', file => {
copyFile(file, from, to);
});
await new Promise(x => watcher.once('ready', x));
watcher.close();
}
for (const step of steps)
await step.run();
for (const onChange of onChanges)
runOnChangeStep(onChange);
}
/**
* @param {string} file
* @param {string} from
* @param {string} to
*/
function copyFile(file, from, to) {
const destination = path.resolve(filePath(to), path.relative(filePath(from), file));
fs.mkdirSync(path.dirname(destination), { recursive: true });
fs.copyFileSync(file, destination);
}
/**
* @typedef {{
* modulePath: string,
* entryPoints: string[],
* external?: string[],
* outdir?: string,
* outfile?: string,
* minify?: boolean,
* alias?: Record<string, string>,
* }} BundleOptions
*/
/** @type {BundleOptions[]} */
const bundles = [];
bundles.push({
modulePath: 'packages/playwright/bundles/babel',
outdir: 'packages/playwright/lib/transform',
entryPoints: ['src/babelBundleImpl.ts'],
external: ['playwright'],
});
bundles.push({
modulePath: 'packages/playwright/bundles/expect',
outdir: 'packages/playwright/lib/common',
entryPoints: ['src/expectBundleImpl.ts'],
});
bundles.push({
modulePath: 'packages/playwright/bundles/utils',
outdir: 'packages/playwright/lib',
entryPoints: ['src/utilsBundleImpl.ts'],
external: ['fsevents'],
});
bundles.push({
modulePath: 'packages/playwright-core/bundles/utils',
outfile: 'packages/playwright-core/lib/utilsBundleImpl/index.js',
entryPoints: ['src/utilsBundleImpl.ts'],
});
bundles.push({
modulePath: 'packages/playwright-core/bundles/zip',
outdir: 'packages/playwright-core/lib',
entryPoints: ['src/zipBundleImpl.ts'],
});
bundles.push({
modulePath: 'packages/playwright-core/bundles/mcp',
outfile: 'packages/playwright-core/lib/mcpBundleImpl/index.js',
entryPoints: ['src/mcpBundleImpl.ts'],
external: ['express', '@anthropic-ai/sdk'],
alias: {
'raw-body': 'raw-body.ts',
},
});
// @playwright/client
bundles.push({
modulePath: 'packages/playwright-client',
outdir: 'packages/playwright-client/lib',
entryPoints: ['src/index.ts'],
minify: false,
});
class GroupStep extends Step {
/** @param {Step[]} steps */
constructor(steps) {
super({ concurrent: false });
this._steps = steps;
if (steps.some(s => !s.concurrent))
throw new Error('Composite step cannot contain non-concurrent steps');
}
async run() {
console.log('==== Starting parallel group');
const start = Date.now();
await Promise.all(this._steps.map(step => step.run()));
console.log('==== Parallel group finished in', Date.now() - start, 'ms');
}
}
/** @type {Step[]} */
const updateSteps = [];
// Update test runner.
updateSteps.push(new ProgramStep({
command: 'npm',
args: ['ci', '--save=false', '--fund=false', '--audit=false'],
shell: true,
cwd: path.join(__dirname, '..', '..', 'tests', 'playwright-test', 'stable-test-runner'),
concurrent: true,
}));
// Update bundles.
for (const bundle of bundles) {
// Do not update @playwright/client, it has not its own deps.
if (bundle.modulePath === 'packages/playwright-client')
continue;
const packageJson = path.join(filePath(bundle.modulePath), 'package.json');
if (!fs.existsSync(packageJson))
throw new Error(`${packageJson} does not exist`);
updateSteps.push(new ProgramStep({
command: 'npm',
args: ['ci', '--save=false', '--fund=false', '--audit=false', '--omit=optional'],
shell: true,
cwd: filePath(bundle.modulePath),
concurrent: true,
}));
}
steps.push(new GroupStep(updateSteps));
// Generate third party licenses for bundles.
steps.push(new ProgramStep({
command: 'node',
args: [path.resolve(__dirname, '../generate_third_party_notice.js')],
shell: true,
}));
// Build injected icons.
steps.push(new ProgramStep({
command: 'node',
args: ['utils/generate_clip_paths.js'],
shell: true,
}));
// Build injected scripts.
steps.push(new ProgramStep({
command: 'node',
args: ['utils/generate_injected.js'],
shell: true,
}));
class EsbuildStep extends Step {
/** @type {import('esbuild').BuildOptions} */
constructor(options) {
// Starting esbuild steps in parallel showed longer overall time.
super({ concurrent: false });
this._options = options;
}
/** @override */
async run() {
if (watchMode) {
await this._ensureWatching();
} else {
console.log('==== Running esbuild:', this._relativeEntryPoints().join(', '));
const start = Date.now();
await build(this._options);
console.log('==== Done in', Date.now() - start, 'ms');
}
}
async _ensureWatching() {
const start = Date.now();
if (this._context)
return;
this._context = await context(this._options);
disposables.push(() => this._context?.dispose());
const watcher = chokidar.watch(this._options.entryPoints);
await new Promise(x => watcher.once('ready', x));
watcher.on('all', () => this._rebuild());
await this._rebuild();
console.log('==== Esbuild watching:', this._relativeEntryPoints().join(', '), `(started in ${Date.now() - start}ms)`);
}
async _rebuild() {
if (this._rebuilding) {
this._sourcesChanged = true;
return;
}
do {
this._sourcesChanged = false;
this._rebuilding = true;
try {
await this._context?.rebuild();
} catch (e) {
// Ignore. Esbuild inherits stderr and already logs nicely formatted errors
// before throwing.
}
this._rebuilding = false;
} while (this._sourcesChanged);
}
_relativeEntryPoints() {
return this._options.entryPoints.map(e => path.relative(ROOT, e));
}
}
class CustomCallbackStep extends Step {
constructor(callback) {
super({ concurrent: false });
this._callback = callback;
}
async run() {
await this._callback();
}
}
// Run esbuild.
for (const pkg of workspace.packages()) {
if (!fs.existsSync(path.join(pkg.path, 'src')))
continue;
// playwright-client is built as a bundle.
if (['@playwright/client'].includes(pkg.name))
continue;
steps.push(new EsbuildStep({
entryPoints: [path.join(pkg.path, 'src/**/*.ts')],
outdir: `${path.join(pkg.path, 'lib')}`,
sourcemap: withSourceMaps ? 'linked' : false,
platform: 'node',
format: 'cjs',
}));
}
function copyXdgOpen() {
const outdir = filePath('packages/playwright-core/lib/utilsBundleImpl');
if (!fs.existsSync(outdir))
fs.mkdirSync(outdir, { recursive: true });
// 'open' package requires 'xdg-open' binary to be present, which does not get bundled by esbuild.
fs.copyFileSync(filePath('packages/playwright-core/bundles/utils/node_modules/open/xdg-open'), path.join(outdir, 'xdg-open'));
console.log('==== Copied xdg-open to', path.join(outdir, 'xdg-open'));
}
// Copy xdg-open after bundles 'npm ci' has finished.
steps.push(new CustomCallbackStep(copyXdgOpen));
function pkgNameFromPath(p) {
const i = p.split(path.sep);
const nm = i.lastIndexOf('node_modules');
if (nm === -1 || nm + 1 >= i.length) return null;
const first = i[nm + 1];
if (first.startsWith('@')) return nm + 2 < i.length ? `${first}/${i[nm + 2]}` : null;
return first;
}
const pkgSizePlugin = {
name: 'pkg-size',
setup(build) {
build.onEnd(async (result) => {
if (!result.metafile) return;
const totals = new Map();
for (const out of Object.values(result.metafile.outputs)) {
for (const [inFile, meta] of Object.entries(out.inputs)) {
const pkg = pkgNameFromPath(inFile);
if (!pkg) continue;
totals.set(pkg, (totals.get(pkg) || 0) + (meta.bytesInOutput || 0));
}
}
const sorted = [...totals.entries()].sort((a, b) => b[1] - a[1]);
const sum = sorted.reduce((s, [, v]) => s + v, 0) || 1;
console.log('\nPackage contribution to bundle:');
for (const [pkg, bytes] of sorted.slice(0, 30)) {
const pct = ((bytes / sum) * 100).toFixed(2);
console.log(`${pkg.padEnd(30)} ${(bytes / 1024).toFixed(1)} KB ${pct}%`);
}
});
},
};
// Build/watch bundles.
for (const bundle of bundles) {
/** @type {import('esbuild').BuildOptions} */
const options = {
bundle: true,
format: 'cjs',
platform: 'node',
target: 'ES2019',
sourcemap: watchMode,
minify: !watchMode,
entryPoints: bundle.entryPoints.map(e => path.join(filePath(bundle.modulePath), e)),
...(bundle.outdir ? { outdir: filePath(bundle.outdir) } : {}),
...(bundle.outfile ? { outfile: filePath(bundle.outfile) } : {}),
...(bundle.external ? { external: bundle.external } : {}),
...(bundle.minify !== undefined ? { minify: bundle.minify } : {}),
alias: bundle.alias ? Object.fromEntries(Object.entries(bundle.alias).map(([k, v]) => [k, path.join(filePath(bundle.modulePath), v)])) : undefined,
metafile: true,
plugins: [pkgSizePlugin],
};
steps.push(new EsbuildStep(options));
}
// Build/watch trace viewer service worker.
steps.push(new ProgramStep({
command: 'npx',
args: [
'vite',
'--config',
'vite.sw.config.ts',
'build',
...(watchMode ? ['--watch', '--minify=false'] : []),
...(withSourceMaps ? ['--sourcemap=inline'] : []),
],
shell: true,
cwd: path.join(__dirname, '..', '..', 'packages', 'trace-viewer'),
concurrent: true,
}));
// Build/watch web packages.
for (const webPackage of ['html-reporter', 'recorder', 'trace-viewer']) {
steps.push(new ProgramStep({
command: 'npx',
args: [
'vite',
'build',
...(watchMode ? ['--watch', '--minify=false'] : []),
...(withSourceMaps ? ['--sourcemap=inline'] : []),
'--clearScreen=false',
],
shell: true,
cwd: path.join(__dirname, '..', '..', 'packages', webPackage),
concurrent: true,
}));
}
// Generate injected.
onChanges.push({
inputs: [
'packages/injected/src/**',
'packages/playwright-core/src/third_party/**',
'packages/playwright-ct-core/src/injected/**',
'packages/playwright-core/src/utils/isomorphic/**',
'utils/generate_injected_builtins.js',
'utils/generate_injected.js',
],
script: 'utils/generate_injected.js',
});
// Generate channels.
onChanges.push({
inputs: [
'packages/protocol/src/protocol.yml'
],
script: 'utils/generate_channels.js',
});
// Generate types.
onChanges.push({
inputs: [
'docs/src/api/',
'docs/src/test-api/',
'docs/src/test-reporter-api/',
'utils/generate_types/overrides.d.ts',
'utils/generate_types/overrides-test.d.ts',
'utils/generate_types/overrides-testReporter.d.ts',
'utils/generate_types/exported.json',
'packages/playwright-core/src/server/chromium/protocol.d.ts',
],
mustExist: [
'packages/playwright-core/lib/server/deviceDescriptorsSource.json',
],
script: 'utils/generate_types/index.js',
});
if (watchMode && !disableInstall) {
// Keep browser installs up to date.
onChanges.push({
inputs: ['packages/playwright-core/browsers.json'],
command: 'npx',
args: ['playwright', 'install'],
});
}
// The recorder and trace viewer have an app_icon.png that needs to be copied.
copyFiles.push({
files: 'packages/playwright-core/src/server/chromium/*.png',
from: 'packages/playwright-core/src',
to: 'packages/playwright-core/lib',
});
// esbuild doesn't touch JS files, so copy them manually.
// For example: diff_match_patch.js
copyFiles.push({
files: 'packages/playwright-core/src/**/*.js',
from: 'packages/playwright-core/src',
to: 'packages/playwright-core/lib',
ignored: ['**/.eslintrc.js', '**/injected/**/*']
});
// Sometimes we require JSON files that esbuild ignores.
// For example, deviceDescriptorsSource.json
copyFiles.push({
files: 'packages/playwright-core/src/**/*.json',
ignored: ['**/injected/**/*'],
from: 'packages/playwright-core/src',
to: 'packages/playwright-core/lib',
});
copyFiles.push({
files: 'packages/playwright/src/agents/*.md',
from: 'packages/playwright/src',
to: 'packages/playwright/lib',
});
copyFiles.push({
files: 'packages/playwright/src/agents/*.yml',
from: 'packages/playwright/src',
to: 'packages/playwright/lib',
});
if (watchMode) {
// Run TypeScript for type checking.
steps.push(new ProgramStep({
command: 'npx',
args: ['tsc', ...(watchMode ? ['-w'] : []), '--preserveWatchOutput', '-p', quotePath(filePath('.'))],
shell: true,
concurrent: true,
}));
for (const webPackage of ['html-reporter', 'recorder', 'trace-viewer']) {
steps.push(new ProgramStep({
command: 'npx',
args: ['tsc', ...(watchMode ? ['-w'] : []), '--preserveWatchOutput', '-p', quotePath(filePath(`packages/${webPackage}`))],
shell: true,
concurrent: true,
}));
}
}
let cleanupCalled = false;
function cleanup() {
if (cleanupCalled)
return;
cleanupCalled = true;
for (const disposable of disposables) {
try {
disposable();
} catch (e) {
console.error('Error during cleanup:', e);
}
}
}
process.on('exit', cleanup);
process.on('SIGINT', () => {
cleanup();
process.exit(0);
});
watchMode ? runWatch() : runBuild();