46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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const chalk = require('chalk');
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module.exports = function printBuildError(err) {
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const message = err != null && err.message;
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const stack = err != null && err.stack;
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// Add more helpful message for Terser error
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if (
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stack &&
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typeof message === 'string' &&
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message.indexOf('from Terser') !== -1
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) {
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try {
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const matched = /(.+)\[(.+):(.+),(.+)\]\[.+\]/.exec(stack);
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if (!matched) {
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throw new Error('Using errors for control flow is bad.');
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}
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const problemPath = matched[2];
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const line = matched[3];
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const column = matched[4];
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console.log(
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'Failed to minify the code from this file: \n\n',
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chalk.yellow(
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`\t${problemPath}:${line}${column !== '0' ? ':' + column : ''}`
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),
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'\n'
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);
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} catch (ignored) {
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console.log('Failed to minify the bundle.', err);
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}
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console.log('Read more here: https://cra.link/failed-to-minify');
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} else {
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console.log((message || err) + '\n');
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}
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console.log();
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};
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