/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import * as fs from 'node:fs';
import * as path from 'node:path';
import tsConfig from '../tsconfig.json' with {type: 'json'};
import {sed} from './sed.ts';
const BUILD_DIR = path.join(process.cwd(), 'build');
/**
* Writes content to a file.
* @param filePath The path to the file.
* @param content The content to write.
*/
function writeFile(filePath: string, content: string): void {
fs.writeFileSync(filePath, content, 'utf-8');
}
/**
* Ensures that licenses for third party files we use gets copied into the build/ dir.
*/
function copyThirdPartyLicenseFiles() {
const thirdPartyDirectories = tsConfig.include.filter(location => {
return location.includes(
'node_modules/chrome-devtools-frontend/front_end/third_party',
);
});
for (const thirdPartyDir of thirdPartyDirectories) {
const fullPath = path.join(process.cwd(), thirdPartyDir);
const licenseFile = path.join(fullPath, 'LICENSE');
if (!fs.existsSync(licenseFile)) {
console.error('No LICENSE for', path.basename(thirdPartyDir));
}
const destinationDir = path.join(BUILD_DIR, thirdPartyDir);
const destinationFile = path.join(destinationDir, 'LICENSE');
fs.copyFileSync(licenseFile, destinationFile);
}
}
function main(): void {
const devtoolsThirdPartyPath =
'node_modules/chrome-devtools-frontend/front_end/third_party';
const devtoolsFrontEndCorePath =
'node_modules/chrome-devtools-frontend/front_end/core';
// Create i18n mock
const i18nDir = path.join(BUILD_DIR, devtoolsFrontEndCorePath, 'i18n');
const localesFile = path.join(i18nDir, 'locales.js');
const localesContent = `
export const LOCALES = [
'en-US',
];
export const BUNDLED_LOCALES = [
'en-US',
];
export const DEFAULT_LOCALE = 'en-US';
export const REMOTE_FETCH_PATTERN = '@HOST@/remote/serve_file/@VERSION@/core/i18n/locales/@LOCALE@.json';
export const LOCAL_FETCH_PATTERN = './locales/@LOCALE@.json';`;
writeFile(localesFile, localesContent);
// Create codemirror.next mock.
const codeMirrorDir = path.join(
BUILD_DIR,
devtoolsThirdPartyPath,
'codemirror.next',
);
fs.mkdirSync(codeMirrorDir, {recursive: true});
const codeMirrorFile = path.join(codeMirrorDir, 'codemirror.next.js');
const codeMirrorContent = `export default {}`;
writeFile(codeMirrorFile, codeMirrorContent);
// Create root mock
const rootDir = path.join(BUILD_DIR, devtoolsFrontEndCorePath, 'root');
fs.mkdirSync(rootDir, {recursive: true});
const runtimeFile = path.join(rootDir, 'Runtime.js');
const runtimeContent = `
export function getChromeVersion() { return ''; };
export const hostConfig = {};
export const Runtime = {
isDescriptorEnabled: () => true,
queryParam: () => null,
}
export const experiments = {
isEnabled: () => false,
}
`;
writeFile(runtimeFile, runtimeContent);
// Update protocol_client to remove:
// 1. self.Protocol assignment
// 2. Call to register backend commands.
const protocolClientDir = path.join(
BUILD_DIR,
devtoolsFrontEndCorePath,
'protocol_client',
);
const clientFile = path.join(protocolClientDir, 'protocol_client.js');
const globalAssignment = /self\.Protocol = self\.Protocol \|\| \{\};/;
const registerCommands =
/InspectorBackendCommands\.registerCommands\(InspectorBackend\.inspectorBackend\);/;
sed(clientFile, globalAssignment, '');
sed(clientFile, registerCommands, '');
const devtoolsLicensePath = path.join(
'node_modules',
'chrome-devtools-frontend',
'LICENSE',
);
const devtoolsLicenseFileSource = path.join(
process.cwd(),
devtoolsLicensePath,
);
const devtoolsLicenseFileDestination = path.join(
BUILD_DIR,
devtoolsLicensePath,
);
fs.copyFileSync(devtoolsLicenseFileSource, devtoolsLicenseFileDestination);
copyThirdPartyLicenseFiles();
copyDevToolsDescriptionFiles();
}
function copyDevToolsDescriptionFiles() {
const devtoolsIssuesDescriptionPath =
'node_modules/chrome-devtools-frontend/front_end/models/issues_manager/descriptions';
const sourceDir = path.join(process.cwd(), devtoolsIssuesDescriptionPath);
const destDir = path.join(BUILD_DIR, devtoolsIssuesDescriptionPath);
fs.cpSync(sourceDir, destDir, {recursive: true});
}
main();