83 lines
2.2 KiB
TypeScript
83 lines
2.2 KiB
TypeScript
import crypto from "crypto";
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import { dir } from "dir";
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import { readAsync } from "fs-jetpack";
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import mime from "mime-types";
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import { apiContext } from "service-srv";
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import { glb } from "../global";
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import { g } from "utils/global";
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export const _ = {
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url: "/npm/:mode/:id/*",
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async api(mode: "site" | "page", id: string) {
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const { req, res, mode: _mode } = apiContext(this);
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let path = dir.path(`${g.datadir}/npm/${mode}/${id}/${req.params._}`);
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if (!glb.npm) {
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glb.npm = { page: {}, site: {} };
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}
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const contentType = mime.lookup(path);
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if (contentType) res.setHeader("content-type", contentType);
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if (path.endsWith(`${mode}.js`)) {
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path = path.substring(0, path.length - `${mode}.js`.length) + `index.js`;
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if (glb.npm[mode][id]) {
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const npm = glb.npm[mode][id];
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if (npm) {
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res.setHeader("etag", npm.etag);
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res.setHeader("content-length", npm.file.byteLength.toString());
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if (npm.etag === req.headers.get("if-none-match")) {
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res.sendStatus(304);
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return;
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}
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res.send(npm.file);
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readAsync(path, "buffer").then((file) => {
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if (file && path.endsWith("index.js")) {
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glb.npm[mode][id] = {
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file,
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etag: crypto.createHash("md5").update(file).digest("hex"),
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};
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}
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});
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return;
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}
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}
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}
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if (path.length > dir.path(`../npm/${mode}/${id}`).length) {
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const file = await readAsync(path, "buffer");
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if (file) {
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if (path.endsWith("index.js")) {
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glb.npm[mode][id] = {
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file,
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etag: crypto.createHash("md5").update(file).digest("hex"),
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};
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const npm = glb.npm[mode][id];
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if (npm) {
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res.setHeader("etag", npm.etag);
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if (npm.etag === req.headers.get("if-none-match")) {
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res.sendStatus(304);
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return;
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}
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}
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}
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res.setHeader("content-length", file.byteLength.toString());
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res.send(file);
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return;
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} else {
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glb.npm[mode][id] = null;
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}
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}
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res.setHeader("etag", "empty");
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res.send("");
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},
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};
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