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feat: self-hosting existing google fonts (#8540)

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Marcel Mraz 2024-09-24 17:30:21 +02:00 • committed by GitHub
parent 6dfa18414a
commit a80cb5896a
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18 changed files with 47 additions and 200 deletions
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46
scripts/woff2/woff2-vite-plugins.js
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@ -1,15 +1,13 @@
// `EXCALIDRAW_ASSET_PATH` as a SSOT
const OSS_FONTS_CDN =
"https://excalidraw.nyc3.cdn.digitaloceanspaces.com/fonts/oss/";
/**
* Custom vite plugin to convert url woff2 imports into a text.
* Other woff2 imports are automatically served and resolved as a file uri.
* Custom vite plugin for auto-prefixing `EXCALIDRAW_ASSET_PATH` woff2 fonts in `excalidraw-app`.
*
* @returns {import("vite").PluginOption}
*/
module.exports.woff2BrowserPlugin = () => {
// for now limited to woff2 only, might be extended to any assets in the future
const regex = /^https:\/\/.+?\.woff2$/;
let isDev;
return {
@ -18,34 +16,9 @@ module.exports.woff2BrowserPlugin = () => {
config(_, { command }) {
isDev = command === "serve";
},
resolveId(source) {
if (!regex.test(source)) {
return null;
}
// getting the url to the dependency tree
return source;
},
load(id) {
if (!regex.test(id)) {
return null;
}
// loading the url as string
return `export default "${id}"`;
},
// necessary for dev as vite / rollup does skips https imports in serve (~dev) mode
// aka dev mode equivalent of "export default x" above (resolveId + load)
transform(code, id) {
// treat https woff2 imports as a text
if (isDev && id.endsWith("/excalidraw/fonts/index.ts")) {
return code.replaceAll(
/import\s+(\w+)\s+from\s+(["']https:\/\/.+?\.woff2["'])/g,
`const $1 = $2`,
);
}
// use CDN for Assistant
// using copy / replace as fonts defined in the `.css` don't have to be manually copied over (vite/rollup does this automatically),
// but at the same time can't be easily prefixed with the `EXCALIDRAW_ASSET_PATH` only for the `excalidraw-app`
if (!isDev && id.endsWith("/excalidraw/fonts/assets/fonts.css")) {
return `/* WARN: The following content is generated during excalidraw-app build */
@ -90,7 +63,6 @@ module.exports.woff2BrowserPlugin = () => {
}`;
}
// using EXCALIDRAW_ASSET_PATH as a SSOT
if (!isDev && id.endsWith("excalidraw-app/index.html")) {
return code.replace(
"<!-- PLACEHOLDER:EXCALIDRAW_APP_FONTS -->",
@ -110,9 +82,10 @@ module.exports.woff2BrowserPlugin = () => {
type="font/woff2"
crossorigin="anonymous"
/>
<!-- For Nunito only preload the latin range, which should be good enough for now -->
<link
rel="preload"
href="${OSS_FONTS_CDN}Virgil-Regular-hO16qHwV.woff2"
href="${OSS_FONTS_CDN}Nunito-Regular-XRXI3I6Li01BKofiOc5wtlZ2di8HDIkhdTQ3j6zbXWjgeg-DqUjjPte.woff2"
as="font"
type="font/woff2"
crossorigin="anonymous"
@ -124,6 +97,13 @@ module.exports.woff2BrowserPlugin = () => {
type="font/woff2"
crossorigin="anonymous"
/>
<link
rel="preload"
href="${OSS_FONTS_CDN}Virgil-Regular-hO16qHwV.woff2"
as="font"
type="font/woff2"
crossorigin="anonymous"
/>
`,
);
}