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ggml-org--llama.cpp/tools/ui/scripts/vite-plugin-relativize-base.ts
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chore: import upstream snapshot with attribution
2026-07-13 11:57:56 +08:00

62 lines
1.9 KiB
TypeScript

import { readFileSync, writeFileSync, existsSync } from 'node:fs';
import { resolve } from 'path';
import type { Plugin } from 'vite';
import { BUILD_CONFIG } from '../src/lib/constants/pwa';
let processed = false;
const OUTPUT_DIR = process.env.LLAMA_UI_OUT_DIR ?? BUILD_CONFIG.OUTPUT_DIR;
function rewrite(path: string, pairs: [string, string][]): void {
if (!existsSync(path)) {
return;
}
const text = readFileSync(path, 'utf-8');
let out = text;
for (const [from, to] of pairs) {
out = out.split(from).join(to);
}
if (out !== text) {
writeFileSync(path, out, 'utf-8');
}
}
/**
* Relativize SvelteKit absolute base refs so the build is relocatable under any subpath.
*
* SvelteKit bakes root absolute /_app/ paths into the SPA fallback because paths.relative
* does not apply to a depth agnostic fallback page. Rewriting to ./_app/ lets a plain
* recursive copy of the output into /any/subdir/ resolve assets against the document URL.
* Runs after adapter-static writes index.html and the PWA plugin writes sw.js, deferred the
* same way as buildInfoPlugin so the emitted files exist.
*/
export function relativizeBasePlugin(): Plugin {
return {
name: 'llamacpp:relativize-base',
apply: 'build',
closeBundle() {
setTimeout(() => {
try {
if (processed) return;
processed = true;
const outDir = resolve(OUTPUT_DIR);
// index.html: modulepreload, stylesheet and bootstrap import reference "/_app/
rewrite(resolve(outDir, 'index.html'), [['"/_app/', '"./_app/']]);
// sw.js: the only absolute entries are the navigate fallback precache key and handler
rewrite(resolve(outDir, 'sw.js'), [
['{url:"/"', '{url:"./"'],
['createHandlerBoundToURL("/"', 'createHandlerBoundToURL("./"']
]);
console.log('Relativized base refs in index.html and sw.js');
} catch (error) {
console.error('Failed to relativize base refs:', error);
}
}, 100);
}
};
}