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Display JS and CSS bundle sizes after build #229

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merged 3 commits into from
Jul 27, 2016
Merged

Display JS and CSS bundle sizes after build #229

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e2f4aa9
Display JS and CSS bundle sizes after build
lvwrence Jul 27, 2016
52a8605
Print gzipped filesize, address nits
lvwrence Jul 27, 2016
598a832
Use filesize for human readable output.
lvwrence Jul 27, 2016
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Print gzipped filesize, address nits
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@lvwrence
lvwrence authored and Lawrence Wu committed Jul 27, 2016
commit 52a8605373dd6c23b8ce5da842d70f75ab686491
2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -48,8 +48,8 @@
"eslint-plugin-react": "5.2.2",
"extract-text-webpack-plugin": "1.0.1",
"file-loader": "0.9.0",
"filesize": "^3.3.0",
"fs-extra": "0.30.0",
"gzip-size": "^3.0.0",
"html-webpack-plugin": "2.22.0",
"json-loader": "0.5.4",
"opn": "4.0.2",
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12 changes: 7 additions & 5 deletions scripts/build.js
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Expand Up @@ -9,7 +9,8 @@

process.env.NODE_ENV = 'production';

var filesize = require('filesize');
var fs = require('fs');
var gzipSize = require('gzip-size');
var rimrafSync = require('rimraf').sync;
var webpack = require('webpack');
var config = require('../config/webpack.config.prod');
Expand All @@ -22,8 +23,9 @@ rimrafSync(paths.appBuild + '/*');
function logBuildSize(assets, extension) {
for (var i = 0; i < assets.length; i++) {
var asset = assets[i];
if (asset['name'].endsWith(extension)) {
console.log('Size of ' + asset['name'] + ': ' + filesize(asset['size']));
if (asset.name.endsWith('.' + extension)) {
var fileContents = fs.readFileSync(paths.appBuild + '/' + asset.name);
console.log('Size (gzipped) of ' + asset.name + ': ' + gzipSize.sync(fileContents));
}
}
}
Expand Down Expand Up @@ -59,8 +61,8 @@ webpack(config).run(function(err, stats) {
console.log(' ' + openCommand + ' http://localhost:8080');
console.log();
var assets = stats.toJson()['assets'];
logBuildSize(assets, '.js');
logBuildSize(assets, '.css');
logBuildSize(assets, 'js');
logBuildSize(assets, 'css');
}
console.log('The bundle is optimized and ready to be deployed to production.');
});