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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- 'use strict';
- const fs = require( 'fs' );
- const path = require( 'path' );
- const gulp = require( 'gulp' );
- const gulpRename = require( 'gulp-rename' );
- const gutil = require( 'gulp-util' );
- const prettyBytes = require( 'pretty-bytes' );
- const gzipSize = require( 'gzip-size' );
- const mainUtils = require( '../utils' );
- const utils = {
- /**
- * Save files from stream in specific destination and add `.min` suffix to the name.
- *
- * @param {Stream} stream
- * @param {String} destination path
- * @returns {Stream}
- */
- saveFileFromStreamAsMinified( stream, destination ) {
- return stream
- .pipe( gulpRename( {
- suffix: '.min'
- } ) )
- .pipe( gulp.dest( destination ) );
- },
- /**
- * Copy specified file to specified destination.
- *
- * @param {String} from file path
- * @param {String} to copied file destination
- * @returns {Promise}
- */
- copyFile( from, to ) {
- return new Promise( ( resolve ) => {
- gulp.src( from )
- .pipe( gulp.dest( to ) )
- .on( 'finish', resolve );
- } );
- },
- /**
- * Get size of the file.
- *
- * @param {String} path path to the file
- * @returns {Number} size size in bytes
- */
- getFileSize( path ) {
- return fs.statSync( path ).size;
- },
- /**
- * Get human readable gzipped size of the file.
- *
- * @param {String} path path to the file
- * @returns {Number} size size in bytes
- */
- getGzippedFileSize( path ) {
- return gzipSize.sync( fs.readFileSync( path ) );
- },
- /**
- * Get normal and gzipped size of every passed file in specified directory.
- *
- * @param {Array<String>} files
- * @param {String} [rootDir='']
- * @returns {Array<Object>} List with file size data
- */
- getFilesSizeStats( files, rootDir = '' ) {
- return files.map( ( file ) => {
- const filePath = path.join( rootDir, file );
- return {
- name: path.basename( filePath ),
- size: utils.getFileSize( filePath ),
- gzippedSize: utils.getGzippedFileSize( filePath )
- };
- } );
- },
- /**
- * Print on console list of files with their size stats.
- *
- * Title:
- * file.js: 1 MB (gzipped: 400 kB)
- * file.css 500 kB (gzipped: 100 kB)
- *
- * @param {String} title
- * @param {Array<Object>} filesStats
- */
- showFilesSummary( title, filesStats ) {
- const label = gutil.colors.underline( title );
- const filesSummary = filesStats.map( ( file ) => {
- return `${ file.name }: ${ prettyBytes( file.size ) } (gzipped: ${ prettyBytes( file.gzippedSize ) })`;
- } ).join( '\n' );
- gutil.log( gutil.colors.green( `\n${ label }:\n${ filesSummary }` ) );
- }
- };
- // Assign properties from top level utils.
- module.exports = Object.assign( utils, mainUtils );
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