74 lines
2.1 KiB
TypeScript
74 lines
2.1 KiB
TypeScript
import brotliPromise from "brotli-wasm"; // Import the default export
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import { g } from "./global";
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import { dir } from "./dir";
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import { simpleHash } from "./cache";
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const encoder = new TextEncoder();
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const brotli = await brotliPromise;
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export const loadCachedBr = (hash: string, content: string) => {
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if (g.compress.mode === "all") {
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if (!g.cache.br[hash]) {
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if (!g.cache.br_progress.pending[hash]) {
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g.cache.br_progress.pending[hash] = content;
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recurseCompressBr();
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}
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}
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}
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};
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export const startBrCompress = () => {
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if (g.compress.mode === "all") {
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if (g.deploy.content) {
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const core = g.deploy.content.code.core;
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const site = g.deploy.content.code.site;
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const all = [...Object.values(core), ...Object.values(site)];
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console.log(`brotli cache: compressing ${all.length} files`);
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for (const content of all) {
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const hash = simpleHash(content);
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g.cache.br_progress.pending[hash] = content;
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}
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recurseCompressBr();
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}
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}
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};
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const recurseCompressBr = () => {
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if (g.compress.mode === "all") {
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clearTimeout(g.cache.br_progress.timeout);
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g.cache.br_progress.timeout = setTimeout(async () => {
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if (g.cache.br_progress.running) {
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return;
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}
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g.cache.br_progress.running = true;
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const entries = Object.entries(g.cache.br_progress.pending);
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if (entries.length > 0) {
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const [hash, content] = entries.shift() as [
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string,
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string | Uint8Array
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];
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const file = Bun.file(dir(`${g.datadir}/br-cache/${hash}`));
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if (await file.exists()) {
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g.cache.br[hash] = new Uint8Array(await file.arrayBuffer());
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} else {
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g.cache.br[hash] = brotli.compress(
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typeof content === "string" ? encoder.encode(content) : content,
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{ quality: 11 }
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);
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await Bun.write(file, g.cache.br[hash]);
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}
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delete g.cache.br_progress.pending[hash];
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g.cache.br_progress.running = false;
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recurseCompressBr();
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} else {
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console.log("brotli cache: finished");
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}
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}, 50);
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}
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};
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