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f7830041f4
* Make build scripts compatible with node 12 "fs/promises" is not in node 12, use a more compatible way to import it. Also, lock major down versions of the image build dependencies to prevent future surprises. * add node_modules dependency
83 lines
2.5 KiB
JavaScript
Executable file
83 lines
2.5 KiB
JavaScript
Executable file
import imageminZopfli from 'imagemin-zopfli';
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import {optimize, extendDefaultPlugins} from 'svgo';
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import {fabric} from 'fabric';
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import fs from 'fs';
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import {resolve, dirname} from 'path';
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import {fileURLToPath} from 'url';
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const {readFile, writeFile} = fs.promises;
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const logoFile = resolve(__dirname, '../assets/logo.svg');
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function exit(err) {
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if (err) console.error(err);
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process.exit(err ? 1 : 0);
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}
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function loadSvg(svg) {
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return new Promise((resolve) => {
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fabric.loadSVGFromString(svg, (objects, options) => {
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resolve({objects, options});
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});
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});
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}
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async function generate(svg, outputFile, {size, bg}) {
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if (outputFile.endsWith('.svg')) {
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const {data} = optimize(svg, {
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plugins: extendDefaultPlugins([
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'removeDimensions',
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{
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name: 'addAttributesToSVGElement',
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params: {attributes: [{width: size}, {height: size}]}
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},
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]),
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});
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await writeFile(outputFile, data);
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return;
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}
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const {objects, options} = await loadSvg(svg);
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const canvas = new fabric.Canvas();
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canvas.setDimensions({width: size, height: size});
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const ctx = canvas.getContext('2d');
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ctx.scale(options.width ? (size / options.width) : 1, options.height ? (size / options.height) : 1);
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if (bg) {
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canvas.add(new fabric.Rect({
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left: 0,
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top: 0,
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height: size * (1 / (size / options.height)),
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width: size * (1 / (size / options.width)),
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fill: 'white',
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}));
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}
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canvas.add(fabric.util.groupSVGElements(objects, options));
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canvas.renderAll();
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let png = Buffer.from([]);
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for await (const chunk of canvas.createPNGStream()) {
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png = Buffer.concat([png, chunk]);
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}
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png = await imageminZopfli({more: true})(png);
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await writeFile(outputFile, png);
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}
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async function main() {
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const gitea = process.argv.slice(2).includes('gitea');
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const svg = await readFile(logoFile, 'utf8');
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await Promise.all([
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generate(svg, resolve(__dirname, '../public/img/logo.svg'), {size: 32}),
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generate(svg, resolve(__dirname, '../public/img/logo.png'), {size: 512}),
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generate(svg, resolve(__dirname, '../public/img/favicon.png'), {size: 180}),
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generate(svg, resolve(__dirname, '../public/img/avatar_default.png'), {size: 200}),
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generate(svg, resolve(__dirname, '../public/img/apple-touch-icon.png'), {size: 180, bg: true}),
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gitea && generate(svg, resolve(__dirname, '../public/img/gitea.svg'), {size: 32}),
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]);
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}
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main().then(exit).catch(exit);
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