| 1 | import fs from 'fs' |
| 2 | import find from 'find' |
| 3 | import filesize from 'filesize' |
| 4 | import imagemin from 'imagemin' |
| 5 | import imageminGifsicle from 'imagemin-gifsicle' |
| 6 | import imageminJpegtran from 'imagemin-jpegtran' |
| 7 | import imageminOptipng from 'imagemin-optipng' |
| 8 | import imageminSvgo from 'imagemin-svgo' |
| 9 | import parseFilepath from 'parse-filepath' |
| 10 | import chalk from 'chalk' |
| 11 | |
| 12 | const plugins = [ |
| 13 | imageminGifsicle({}), |
| 14 | imageminJpegtran({}), |
| 15 | imageminOptipng({}), |
| 16 | imageminSvgo({}) |
| 17 | ] |
| 18 | |
| 19 | let savedSize = 0 |
| 20 | |
| 21 | const run = async () => { |
| 22 | const regex = new RegExp(/\.gif|\.jpeg|\.jpg|\.png$/) |
| 23 | |
| 24 | const files = find.fileSync(regex, 'icons/'); |
| 25 | |
| 26 | for (const file of files) { |
| 27 | await optimized(file) |
| 28 | } |
| 29 | |
| 30 | if (savedSize > 0) { |
| 31 | console.info(`\n🎉 You saved ${readableSize(savedSize)}.`) |
| 32 | } else { |
| 33 | console.info(`\n🎉 Nothing to optimize.`) |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | const size = (filename) => { |
| 38 | return fs.statSync(filename).size |
| 39 | } |
| 40 | |
| 41 | const readableSize = (size) => { |
| 42 | return filesize(size, { round: 5 }) |
| 43 | } |
| 44 | |
| 45 | const optimized = async (filename) => { |
| 46 | let output = parseFilepath(filename).dir || './' |
| 47 | |
| 48 | const fileSizeBefore = size(filename) |
| 49 | |
| 50 | if (fileSizeBefore === 0){ |
| 51 | console.info(chalk.blue(`Skipping ${filename}, it has ${readableSize(fileSizeBefore)}`)) |
| 52 | return |
| 53 | } |
| 54 | |
| 55 | const pluginsOptions = { |
| 56 | destination: output, |
| 57 | plugins |
| 58 | } |
| 59 | |
| 60 | const filenameBackup = `${filename}.bak` |
| 61 | fs.copyFileSync(filename, filenameBackup) |
| 62 | |
| 63 | try { |
| 64 | await imagemin([filename], pluginsOptions) |
| 65 | |
| 66 | const fileSizeAfter = size(filename) |
| 67 | const fileSizeDiff = fileSizeBefore - fileSizeAfter |
| 68 | if (fileSizeDiff > 0){ |
| 69 | savedSize += fileSizeDiff |
| 70 | console.info(chalk.green(`Optimized ${filename}: ${chalk.yellow(readableSize(fileSizeAfter))}`)) |
| 71 | } else { // file after same or bigger |
| 72 | // restore previous file |
| 73 | fs.renameSync(filenameBackup, filename) |
| 74 | |
| 75 | console.info(`${filename} ${chalk.red(`already optimized`)}`) |
| 76 | } |
| 77 | |
| 78 | } catch (err) { |
| 79 | console.info(chalk.red(`Skip ${filename} due to error when optimizing`)); |
| 80 | } |
| 81 | |
| 82 | // delete backup file |
| 83 | if (fs.existsSync(filenameBackup)) { |
| 84 | fs.unlinkSync(filenameBackup) |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | (async () => { |
| 89 | await run(); |
| 90 | })(); |