模块管理器

hydro/lib/hpm.js

@@ -0,0 +1,39 @@
+/* eslint-disable import/no-dynamic-require */
+/* eslint-disable no-await-in-loop */
+/* eslint-disable no-eval */
+const fs = require('fs');
+const zlib = require('zlib');
+const path = require('path');
+const yaml = require('js-yaml');
+const download = require('./download');
+
+function root(name) {
+    return path.resolve(process.cwd(), name);
+}
+
+async function getInstalled() {
+    const files = fs.readdirSync(root('.build/module'));
+    const installed = [];
+    for (const file of files) {
+        if (file.endsWith('.hydro-module')) {
+            const f = fs.readFileSync(root(`.build/module/${file}`));
+            const s = fs.statSync(root(`.build/module/${file}`));
+            installed.push({
+                ...yaml.safeLoad(zlib.gunzipSync(f)),
+                id: file.split('.')[0],
+                size: s.size,
+            });
+        }
+    }
+    return installed;
+}
+
+async function del(id) {
+    fs.unlinkSync(root(`.build/module/${id}.hydro-module`));
+}
+
+async function install(id, url) {
+    await download(url, root(`module/${id}.hydro-module`));
+}
+
+module.exports = { getInstalled, del, install };