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Exit production build if any errors are in build stats #859

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Merged
merged 2 commits into from
Oct 7, 2016
Merged

Exit production build if any errors are in build stats #859

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43014e8
Exit on any errors passed in build stats
Oct 6, 2016
93e4c29
Match console error output in start.js
Oct 7, 2016
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Match console error output in start.js
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Patrick Dillon committed Oct 7, 2016
commit 93e4c291daaa99801a21bf0f7f2a453d0c412307
17 changes: 12 additions & 5 deletions packages/react-scripts/scripts/build.js
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Original file line number Diff line number Diff line change
Expand Up @@ -118,20 +118,27 @@ function printFileSizes(stats, previousSizeMap) {
});
}

// Print out errors
function printErrors(summary, errors) {
console.log(chalk.red(summary));
console.log();
errors.forEach(err => {
console.log(err.message || err);
console.log();
});
}

// Create the production build and print the deployment instructions.
function build(previousSizeMap) {
console.log('Creating an optimized production build...');
webpack(config).run((err, stats) => {
if (err) {
console.error('Failed to create a production build. Reason:');
console.error(err.message || err);
printErrors('Failed to compile.', [err]);
process.exit(1);
}

// Webpack may swallow uglify errors even with bail:true
if (stats.compilation.errors.length) {
console.error(chalk.red('Error(s) occurred during the production build:'));
stats.compilation.errors.forEach(err => console.error(chalk.red(err.message || err)));
printErrors('Failed to compile.', stats.compilation.errors);
process.exit(1);
}

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