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[Feature] Introducing image compression using imagemin (#654)

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* Introduce imagemin for compressing images

* Replace original images with the optimized ones

* Add imagemin-svgo to dependencies

* Remove console statement, replace let with const

* Replace let with const

* Add --skip-image-compression

* Run Prettier
This commit is contained in:
Ahmad Alfy 2018-05-10 02:59:36 +03:00 • committed by Yangshun Tay
parent ac718dd7c4
commit ab6bab9f8d
45 changed files with 3519 additions and 680 deletions
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32
lib/server/generate.js
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@ -29,6 +29,14 @@ async function execute() {
const sep = path.sep;
const escapeStringRegexp = require('escape-string-regexp');
const {renderToStaticMarkupWithDoctype} = require('./renderUtils');
const commander = require('commander');
const imagemin = require('imagemin');
const imageminJpegtran = require('imagemin-jpegtran');
const imageminOptipng = require('imagemin-optipng');
const imageminSvgo = require('imagemin-svgo');
const imageminGifsicle = require('imagemin-gifsicle');
commander.option('--skip-image-compression').parse(process.argv);
// create the folder path for a file if it does not exist, then write the file
function writeFileAndCreateFolder(file, content) {
@ -399,9 +407,29 @@ async function execute() {
}
fs.writeFileSync(mainCss, cssContent);
} else if (
normalizedFile.match(/\.png$|.jpg$|.svg$|.gif$/) &&
!commander.skipImageCompression
) {
const parts = normalizedFile.split(sep + 'static' + sep);
const targetDirectory = join(
buildDir,
parts[1].substring(0, parts[1].lastIndexOf(sep))
);
mkdirp.sync(path.dirname(targetDirectory));
imagemin([normalizedFile], targetDirectory, {
use: [
imageminOptipng(),
imageminJpegtran(),
imageminSvgo({
plugins: [{removeViewBox: false}],
}),
imageminGifsicle(),
],
});
} else if (!fs.lstatSync(normalizedFile).isDirectory()) {
let parts = normalizedFile.split(sep + 'static' + sep);
let targetFile = join(buildDir, parts[1]);
const parts = normalizedFile.split(sep + 'static' + sep);
const targetFile = join(buildDir, parts[1]);
mkdirp.sync(path.dirname(targetFile));
fs.copySync(normalizedFile, targetFile);
}