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forgejo/tools/generate-svg.js
silverwind 6eb576c36d
move some scripts from 'build' to 'tools' directory, misc refactors (#29844)
- Move some scripts from `build` to new `tools` dir. Eventually i would
like to move all but let's do it step-by-step.
- Add dir to eslint and move the files into vars.
- Update docs accordingly.
- While updating docs I noticed we were incorrectly having `public/img`
path still in a few places. Replace those with the current
`public/assets/img`.

---------

Co-authored-by: Nanguan Lin <nanguanlin6@gmail.com>
Co-authored-by: Giteabot <teabot@gitea.io>
(cherry picked from commit 095fdd691dd1a7d7748372cc73e7708278c80933)
2024-03-26 19:04:25 +01:00

70 lines
2 KiB
JavaScript
Executable file

#!/usr/bin/env node
import fastGlob from 'fast-glob';
import {optimize} from 'svgo';
import {parse} from 'node:path';
import {readFile, writeFile, mkdir} from 'node:fs/promises';
import {fileURLToPath} from 'node:url';
import {exit} from 'node:process';
const glob = (pattern) => fastGlob.sync(pattern, {
cwd: fileURLToPath(new URL('..', import.meta.url)),
absolute: true,
});
function doExit(err) {
if (err) console.error(err);
exit(err ? 1 : 0);
}
async function processFile(file, {prefix, fullName} = {}) {
let name;
if (fullName) {
name = fullName;
} else {
name = parse(file).name;
if (prefix) name = `${prefix}-${name}`;
if (prefix === 'octicon') name = name.replace(/-[0-9]+$/, ''); // chop of '-16' on octicons
}
// Set the `xmlns` attribute so that the files are displayable in standalone documents
// The svg backend module will strip the attribute during startup for inline display
const {data} = optimize(await readFile(file, 'utf8'), {
plugins: [
{name: 'preset-default'},
{name: 'removeDimensions'},
{name: 'prefixIds', params: {prefix: () => name}},
{name: 'addClassesToSVGElement', params: {classNames: ['svg', name]}},
{
name: 'addAttributesToSVGElement', params: {
attributes: [
{'xmlns': 'http://www.w3.org/2000/svg'},
{'width': '16'}, {'height': '16'}, {'aria-hidden': 'true'},
]
}
},
],
});
await writeFile(fileURLToPath(new URL(`../public/assets/img/svg/${name}.svg`, import.meta.url)), data);
}
function processFiles(pattern, opts) {
return glob(pattern).map((file) => processFile(file, opts));
}
async function main() {
try {
await mkdir(fileURLToPath(new URL('../public/assets/img/svg', import.meta.url)), {recursive: true});
} catch {}
await Promise.all([
...processFiles('node_modules/@primer/octicons/build/svg/*-16.svg', {prefix: 'octicon'}),
...processFiles('web_src/svg/*.svg'),
]);
}
try {
doExit(await main());
} catch (err) {
doExit(err);
}