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Minor tweaks to console output

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Dan Abramov
2016-08-04 13:30:03 +01:00
parent 4ac60e536f
commit 670e382ccf
1 changed files with 73 additions and 53 deletions
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126
scripts/build.js
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@@ -27,7 +27,7 @@ function removeFileNameHash(fileName) {
.replace(/\/?(.*)(\.\w+)(\.js|\.css)/, (match, p1, p2, p3) => p1 + p3);
}
function getDifferentLabel(currentSize, previousSize) {
function getDifferenceLabel(currentSize, previousSize) {
var FIFTY_KILOBYTES = 1024 * 50;
var difference = currentSize - previousSize;
var fileSize = !Number.isNaN(difference) ? filesize(difference) : 0;
@@ -42,10 +42,10 @@ function getDifferentLabel(currentSize, previousSize) {
}
}
// First, read the current file sizes in build directory.
// This lets us display how much they changed later.
recursive(paths.appBuild, (err, fileNames) => {
fileNames = fileNames || [];
var previousSizeMap = fileNames
var previousSizeMap = (fileNames || [])
.filter(fileName => /\.(js|css)$/.test(fileName))
.reduce((memo, fileName) => {
var contents = fs.readFileSync(fileName);
@@ -58,9 +58,44 @@ recursive(paths.appBuild, (err, fileNames) => {
// if you're in it, you don't end up in Trash
rimrafSync(paths.appBuild + '/*');
// Start the webpack build
build(previousSizeMap);
});
function printFileSizes(stats, previousSizeMap) {
var assets = stats.toJson().assets
.filter(asset => /\.(js|css)$/.test(asset.name))
.map(asset => {
var fileContents = fs.readFileSync(paths.appBuild + '/' + asset.name);
var size = gzipSize(fileContents);
var previousSize = previousSizeMap[removeFileNameHash(asset.name)];
var difference = getDifferenceLabel(size, previousSize);
return {
folder: path.join('build', path.dirname(asset.name)),
name: path.basename(asset.name),
size: size,
sizeLabel: filesize(size) + (difference ? ' (' + difference + ')' : '')
};
});
assets.sort((a, b) => b.size - a.size);
var longestSizeLabelLength = Math.max.apply(null,
assets.map(a => stripAnsi(a.sizeLabel).length)
);
assets.forEach(asset => {
var sizeLabel = asset.sizeLabel;
var sizeLength = stripAnsi(sizeLabel).length;
if (sizeLength < longestSizeLabelLength) {
var rightPadding = ' '.repeat(longestSizeLabelLength - sizeLength);
sizeLabel += rightPadding;
}
console.log(
' ' + sizeLabel +
' ' + chalk.dim(asset.folder + path.sep) + chalk.cyan(asset.name)
);
});
}
function build(previousSizeMap) {
console.log('Creating an optimized production build...');
webpack(config).run((err, stats) => {
@@ -75,64 +110,49 @@ function build(previousSizeMap) {
console.log('File sizes after gzip:');
console.log();
var assets = stats.toJson().assets
.filter(asset => /\.(js|css)$/.test(asset.name))
.map(asset => {
var fileContents = fs.readFileSync(paths.appBuild + '/' + asset.name);
var size = gzipSize(fileContents);
var previousSize = previousSizeMap[removeFileNameHash(asset.name)];
var difference = getDifferentLabel(size, previousSize);
return {
folder: path.join('build', path.dirname(asset.name)),
name: path.basename(asset.name),
size: size,
sizeLabel: filesize(size) + (difference ? ' (' + difference + ')' : '')
};
});
assets.sort((a, b) => b.size - a.size);
var longestSizeLabelLength = Math.max.apply(null,
assets.map(a => stripAnsi(a.sizeLabel).length)
);
assets.forEach(asset => {
var sizeLabel = asset.sizeLabel;
var sizeLength = stripAnsi(sizeLabel).length;
if (sizeLength < longestSizeLabelLength) {
var rightPadding = ' '.repeat(longestSizeLabelLength - sizeLength);
sizeLabel += rightPadding;
}
console.log(
' ' + sizeLabel +
' ' + chalk.dim(asset.folder + path.sep) + chalk.cyan(asset.name)
);
});
printFileSizes(stats, previousSizeMap);
console.log();
var openCommand = process.platform === 'win32' ? 'start' : 'open';
var homepagePath = require(paths.appPackageJson).homepage;
if (homepagePath) {
console.log('You can now publish them at ' + homepagePath + '.');
console.log('For example, if you use GitHub Pages:');
var publicPath = config.output.publicPath;
if (homepagePath && homepagePath.indexOf('.github.io/') !== -1) {
// "homepage": "http://user.github.io/project"
console.log('You can now deploy them to ' + chalk.green(homepagePath) + ':');
console.log();
console.log(' git commit -am "Save local changes"');
console.log(' git checkout -B gh-pages');
console.log(' git add -f build');
console.log(' git commit -am "Rebuild website"');
console.log(' git filter-branch -f --prune-empty --subdirectory-filter build');
console.log(' git push -f origin gh-pages');
console.log(' git checkout -');
console.log(' ' + chalk.blue('git') + chalk.cyan(' commit -am ') + chalk.yellow('"Save local changes"'));
console.log(' ' + chalk.blue('git') + chalk.cyan(' checkout -B gh-pages'));
console.log(' ' + chalk.blue('git') + chalk.cyan(' add -f build'));
console.log(' ' + chalk.blue('git') + chalk.cyan(' commit -am ' + chalk.yellow('"Rebuild website"')));
console.log(' ' + chalk.blue('git') + chalk.cyan(' filter-branch -f --prune-empty --subdirectory-filter build'));
console.log(' ' + chalk.blue('git') + chalk.cyan(' push -f origin gh-pages'));
console.log(' ' + chalk.blue('git') + chalk.cyan(' checkout -'));
console.log();
console.log('The project was built assuming it is hosted at ' + chalk.green(publicPath) + '.');
console.log('You can control this with the ' + chalk.green('homepage') + ' field in your ' + chalk.cyan('package.json') + '.');
} else if (publicPath !== '/') {
// "homepage": "http://mywebsite.com/project"
console.log('The project was built assuming it is hosted at ' + chalk.green(publicPath) + '.');
console.log('You can control this with the ' + chalk.green('homepage') + ' field in your ' + chalk.cyan('package.json') + '.');
} else {
console.log('You can now serve them with any static server.');
console.log('For example:');
// no homepage or "homepage": "http://mywebsite.com"
console.log('You can now deploy them or serve them with a static server:');
console.log();
console.log(' npm install -g pushstate-server');
console.log(' pushstate-server build');
console.log(' ' + openCommand + ' http://localhost:9000');
console.log(' ' + chalk.blue('npm') + chalk.cyan(' install -g pushstate-server'));
console.log(' ' + chalk.blue('pushstate-server') + chalk.cyan(' build'));
console.log(' ' + chalk.blue(openCommand) + chalk.cyan(' http://localhost:9000'));
console.log();
console.log(chalk.dim('The project was built assuming it is hosted at the root.'));
console.log(chalk.dim('Set the "homepage" field in package.json to override this.'));
console.log(chalk.dim('For example, "homepage": "http://user.github.io/project".'));
console.log('The project was built assuming it is hosted at the server root.');
if (homepagePath) {
// "homepage": "http://mywebsite.com"
console.log('You can control this with the ' + chalk.green('homepage') + ' field in your ' + chalk.cyan('package.json') + '.');
} else {
// no homepage
console.log('To override this, specify the ' + chalk.green('homepage') + ' in your ' + chalk.cyan('package.json') + '.');
console.log('For example, add this to build it for GitHub Pages:')
console.log();
console.log(' ' + chalk.green('"homepage"') + chalk.cyan(': ') + chalk.green('"http://myname.github.io/myapp"') + chalk.cyan(','));
}
}
console.log();
});