playwright/utils/generate_injected.js
2023-03-05 20:01:35 -08:00

73 lines
2.9 KiB
JavaScript

#!/usr/bin/env node
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* 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 fs = require('fs');
const path = require('path');
const ROOT = path.join(__dirname, '..');
const esbuild = require('esbuild');
const injectedScripts = [
path.join(ROOT, 'packages', 'playwright-core', 'src', 'server', 'injected', 'utilityScript.ts'),
path.join(ROOT, 'packages', 'playwright-core', 'src', 'server', 'injected', 'injectedScript.ts'),
path.join(ROOT, 'packages', 'playwright-core', 'src', 'server', 'injected', 'consoleApi.ts'),
path.join(ROOT, 'packages', 'playwright-core', 'src', 'server', 'injected', 'recorder.ts'),
];
const modulePrefix = `
var __export = (target, all) => {for (var name in all) target[name] = all[name];};
var __toCommonJS = mod => ({ ...mod, __esModule: true });
`;
async function replaceEsbuildHeader(content, outFileJs) {
const sourcesStart = content.indexOf('// packages/playwright-core/src/server');
if (sourcesStart === -1)
throw new Error(`Did not find start of bundled code in ${outFileJs}`);
const preamble = content.substring(0, sourcesStart);
// Replace standard esbuild definition with our own which do not depend on builtins.
// See https://github.com/microsoft/playwright/issues/17029
if (preamble.indexOf('__toCommonJS') !== -1) {
content = modulePrefix + content.substring(sourcesStart);
await fs.promises.writeFile(outFileJs, content);
}
return content;
}
(async () => {
const generatedFolder = path.join(ROOT, 'packages', 'playwright-core', 'src', 'generated');
await fs.promises.mkdir(generatedFolder, { recursive: true });
for (const injected of injectedScripts) {
const outdir = path.join(ROOT, 'packages', 'playwright-core', 'lib', 'server', 'injected', 'packed');
await esbuild.build({
entryPoints: [injected],
bundle: true,
outdir,
format: 'cjs',
platform: 'browser',
target: 'ES2019'
});
const baseName = path.basename(injected);
const outFileJs = path.join(outdir, baseName.replace('.ts', '.js'));
let content = await fs.promises.readFile(outFileJs, 'utf-8');
content = await replaceEsbuildHeader(content, outFileJs);
const newContent = `export const source = ${JSON.stringify(content)};`;
await fs.promises.writeFile(path.join(generatedFolder, baseName.replace('.ts', 'Source.ts')), newContent);
}
})();