64 lines
No EOL
2 KiB
JavaScript
64 lines
No EOL
2 KiB
JavaScript
import { AstroIntegration } from 'astro';
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import { readFile, writeFile } from 'node:fs/promises';
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import { fileURLToPath } from 'node:url';
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import path from 'node:path';
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import { randomUUID } from "node:crypto";
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/**
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* @type {Array<string>}
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*/
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let assets = [];
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/**
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* @typedef {{
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* assetCachePrefix?: string,
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* assetCacheVersionID?: string,
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* path: string,
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* }} ServiceWorkerConfig
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*/
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const plugin_dir = path.resolve(path.dirname('.'));
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/**
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*
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* @param {ServiceWorkerConfig} config
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* @returns {AstroIntegration}
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*/
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export default function serviceWorker(config) {
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let {
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assetCachePrefix,
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assetCacheVersionID = randomUUID(),
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path: serviceWorkerPath
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} = config;
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console.log('[astro-sw] dir', plugin_dir)
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return {
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'name': 'astro-sw',
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'hooks': {
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'astro:build:ssr': ({ manifest }) => {
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assets = manifest.assets.filter(ass => !ass.includes('sw.js'))
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},
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'astro:build:done': async ({ dir }) => {
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const outFile = fileURLToPath(new URL('./sw.js', dir));
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let originalScript;
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try {
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const __dirname = path.resolve(path.dirname('.'));
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const swPath = path.join(__dirname, serviceWorkerPath ?? '');
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console.log('[astro-sw] Using service worker:', swPath);
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originalScript = await readFile(swPath);
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} catch {
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throw Error('[astro-sw] ERROR: service worker script not found!')
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}
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const assetsDeclaration = `const __assets = ${JSON.stringify(assets)};\n`;
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const versionDeclaration = `const __version = ${JSON.stringify(assetCacheVersionID)};\n`;
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const prefixDeclaration = `const __prefix = ${JSON.stringify(assetCachePrefix)};\n`;
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await writeFile(
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outFile,
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assetsDeclaration + versionDeclaration + prefixDeclaration + originalScript
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);
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}
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}
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}
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}; |