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| #!/usr/bin/env node | |
| /** | |
| * Copyright (c) 2015-present, Facebook, Inc. | |
| * | |
| * This source code is licensed under the MIT license found in the | |
| * LICENSE file in the root directory of this source tree. | |
| */ | |
| 'use strict'; | |
| // Makes the script crash on unhandled rejections instead of silently | |
| // ignoring them. In the future, promise rejections that are not handled will | |
| // terminate the Node.js process with a non-zero exit code. | |
| process.on('unhandledRejection', err => { | |
| throw err; | |
| }); | |
| const spawn = require('react-dev-utils/crossSpawn'); | |
| const args = process.argv.slice(2); | |
| const scriptIndex = args.findIndex( | |
| x => x === 'build' || x === 'eject' || x === 'start' || x === 'test' | |
| ); | |
| const script = scriptIndex === -1 ? args[0] : args[scriptIndex]; | |
| const nodeArgs = scriptIndex > 0 ? args.slice(0, scriptIndex) : []; | |
| if (['build', 'eject', 'start', 'test'].includes(script)) { | |
| const result = spawn.sync( | |
| process.execPath, | |
| nodeArgs | |
| .concat(require.resolve('../scripts/' + script)) | |
| .concat(args.slice(scriptIndex + 1)), | |
| { stdio: 'inherit' } | |
| ); | |
| if (result.signal) { | |
| if (result.signal === 'SIGKILL') { | |
| console.log( | |
| 'The build failed because the process exited too early. ' + | |
| 'This probably means the system ran out of memory or someone called ' + | |
| '`kill -9` on the process.' | |
| ); | |
| } else if (result.signal === 'SIGTERM') { | |
| console.log( | |
| 'The build failed because the process exited too early. ' + | |
| 'Someone might have called `kill` or `killall`, or the system could ' + | |
| 'be shutting down.' | |
| ); | |
| } | |
| process.exit(1); | |
| } | |
| process.exit(result.status); | |
| } else { | |
| console.log('Unknown script "' + script + '".'); | |
| console.log('Perhaps you need to update react-scripts?'); | |
| console.log( | |
| 'See: https://facebook.github.io/create-react-app/docs/updating-to-new-releases' | |
| ); | |
| } |
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