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feat(vendor): replace CDN dependencies with local npm packages

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Introduces a vendor build pipeline so all third-party browser assets
(Bootstrap, Bootstrap Icons, Font Awesome, marked, jQuery) are served
from local static files instead of external CDNs.

- Add app/package.json with vendor deps and postinstall/build scripts
- Add app/scripts/copy-vendor.js to copy assets to static/vendor/
- Update base.html.j2 to use url_for('static', ...) for all vendor assets
- Update Dockerfile to install Node.js/npm and run npm install
- Update .gitignore to exclude app/node_modules/ and app/static/vendor/

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Kevin Veen-Birkenbach
2026-03-30 09:29:28 +02:00
parent 252b50d2a7
commit a29a0b1862
5 changed files with 93 additions and 9 deletions
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71
app/scripts/copy-vendor.js Normal file
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'use strict';
/**
* Copies third-party browser assets from node_modules into static/vendor/
* so Flask can serve them without any CDN dependency.
* Runs automatically via the "postinstall" npm hook.
*/
const fs = require('fs');
const path = require('path');
const NM = path.join(__dirname, '..', 'node_modules');
const VENDOR = path.join(__dirname, '..', 'static', 'vendor');
function copyFile(src, dest) {
fs.mkdirSync(path.dirname(dest), { recursive: true });
fs.copyFileSync(src, dest);
}
function copyDir(src, dest) {
fs.mkdirSync(dest, { recursive: true });
for (const entry of fs.readdirSync(src, { withFileTypes: true })) {
const s = path.join(src, entry.name);
const d = path.join(dest, entry.name);
entry.isDirectory() ? copyDir(s, d) : fs.copyFileSync(s, d);
}
}
// Bootstrap CSS + JS bundle
copyFile(
path.join(NM, 'bootstrap', 'dist', 'css', 'bootstrap.min.css'),
path.join(VENDOR, 'bootstrap', 'css', 'bootstrap.min.css')
);
copyFile(
path.join(NM, 'bootstrap', 'dist', 'js', 'bootstrap.bundle.min.js'),
path.join(VENDOR, 'bootstrap', 'js', 'bootstrap.bundle.min.js')
);
// Bootstrap Icons CSS + embedded fonts
copyFile(
path.join(NM, 'bootstrap-icons', 'font', 'bootstrap-icons.css'),
path.join(VENDOR, 'bootstrap-icons', 'font', 'bootstrap-icons.css')
);
copyDir(
path.join(NM, 'bootstrap-icons', 'font', 'fonts'),
path.join(VENDOR, 'bootstrap-icons', 'font', 'fonts')
);
// Font Awesome Free CSS + webfonts
copyFile(
path.join(NM, '@fortawesome', 'fontawesome-free', 'css', 'all.min.css'),
path.join(VENDOR, 'fontawesome', 'css', 'all.min.css')
);
copyDir(
path.join(NM, '@fortawesome', 'fontawesome-free', 'webfonts'),
path.join(VENDOR, 'fontawesome', 'webfonts')
);
// marked – browser UMD build (path varies by version)
const markedCandidates = [
path.join(NM, 'marked', 'marked.min.js'), // v4.x
path.join(NM, 'marked', 'lib', 'marked.umd.min.js'), // v5.x
path.join(NM, 'marked', 'dist', 'marked.min.js'), // v9+
];
const markedSrc = markedCandidates.find(p => fs.existsSync(p));
if (!markedSrc) throw new Error('marked: no browser UMD build found in node_modules');
copyFile(markedSrc, path.join(VENDOR, 'marked', 'marked.min.js'));
// jQuery
copyFile(
path.join(NM, 'jquery', 'dist', 'jquery.min.js'),
path.join(VENDOR, 'jquery', 'jquery.min.js')
);