91 lines
2.5 KiB
TypeScript
91 lines
2.5 KiB
TypeScript
import { dir } from "dir";
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import { inspectTreeAsync } from "fs-jetpack";
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import { InspectTreeResult } from "fs-jetpack/types";
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import { join } from "path";
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import { watch } from "fs";
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import mime from "mime";
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import { g } from "utils/global";
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const web = {
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get path() {
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if (g.mode === "dev") return "static";
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return "static-br";
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},
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};
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const cache = {
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static: {} as Record<
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string,
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{ type: string; content: any; compression: "" | "br" }
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>,
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};
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export const serveStatic = {
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init: async () => {
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const list = await inspectTreeAsync(dir.path(`app/${web.path}`));
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const walk = async (
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list: InspectTreeResult,
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parent?: InspectTreeResult[]
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) => {
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if (list.type === "dir") {
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for (const item of list.children) {
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await walk(item, [...(parent || []), list]);
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}
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} else {
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const path = join(...(parent || []).map((e) => e.name), list.name);
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const file = Bun.file(dir.path(`app/${path}`));
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if (await file.exists()) {
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cache.static[path.substring(web.path.length)] = {
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type: mime.getType(path) || "application/octet-stream",
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compression: g.mode === "prod" ? "br" : "",
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content: await file.arrayBuffer(),
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};
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}
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}
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};
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if (list) {
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await walk(list);
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}
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if (g.mode === "dev") {
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watch(dir.path(`app/static`), async (_, filename) => {
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if (filename) {
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const path = join("static", filename);
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const file = Bun.file(dir.path(`app/${path}`));
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if (await file.exists()) {
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cache.static[`/${filename}`] = {
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type: mime.getType(path) || "application/octet-stream",
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compression: g.mode === "prod" ? "br" : "",
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content: await file.arrayBuffer(),
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};
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}
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}
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});
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}
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},
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exists: (url: URL) => {
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return !!cache.static[url.pathname];
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},
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serve: (url: URL) => {
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let file = cache.static[url.pathname];
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if (file) {
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return new Response(file.content, {
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headers: {
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...{ "content-type": file.type },
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...(file.compression ? { "content-encoding": file.compression } : {}),
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},
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});
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}
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file = cache.static["/index.html"];
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if (file) {
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return new Response(file.content, {
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headers: {
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...{ "content-type": file.type },
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...(file.compression ? { "content-encoding": file.compression } : {}),
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},
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});
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}
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},
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};
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