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- /**
- * Copyright 2020 Google Inc. 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.
- */
-
- const child_process = require('child_process');
- const path = require('path');
- const fs = require('fs');
- const { promisify } = require('util');
-
- const exec = promisify(child_process.exec);
- const fsAccess = promisify(fs.access);
-
- const fileExists = async (filePath) =>
- fsAccess(filePath)
- .then(() => true)
- .catch(() => false);
- /*
-
- * Now Puppeteer is built with TypeScript, we need to ensure that
- * locally we have the generated output before trying to install.
- *
- * For users installing puppeteer this is fine, they will have the
- * generated lib/ directory as we ship it when we publish to npm.
- *
- * However, if you're cloning the repo to contribute, you won't have the
- * generated lib/ directory so this script checks if we need to run
- * TypeScript first to ensure the output exists and is in the right
- * place.
- */
- async function compileTypeScript() {
- return exec('npm run tsc').catch((error) => {
- console.error('Error running TypeScript', error);
- process.exit(1);
- });
- }
-
- async function compileTypeScriptIfRequired() {
- const libPath = path.join(__dirname, 'lib');
- const libExists = await fileExists(libPath);
- if (libExists) return;
-
- console.log('Puppeteer:', 'Compiling TypeScript...');
- await compileTypeScript();
- }
-
- // It's being run as node typescript-if-required.js, not require('..')
- if (require.main === module) compileTypeScriptIfRequired();
-
- module.exports = compileTypeScriptIfRequired;
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