feat: support storage state on extension (#235)

pkg/download/testdata/extensions/storage/index.js

@@ -0,0 +1,49 @@
+gopeed.events.onResolve(async function (ctx) {
+    const key = "key"
+    const value1 = "value1", value2 = JSON.stringify({a: 1, b: "2"})
+
+    if (ctx.storage.get(key) !== null) {
+        throw new Error("storage get null error")
+    }
+    ctx.storage.remove(key)
+    if(ctx.storage.keys().length !== 0) {
+        throw new Error("storage keys null error")
+    }
+
+    ctx.storage.set(key, value1)
+    if (ctx.storage.get(key) !== value1) {
+        throw new Error("storage put1 error")
+    }
+
+    ctx.storage.set(key, value2)
+    if (ctx.storage.get(key) !== value2) {
+        throw new Error("storage put2 error")
+    }
+
+    if(ctx.storage.keys().length !== 1) {
+        throw new Error("storage keys error")
+    }
+
+    ctx.storage.remove(key)
+    if (ctx.storage.get(key) !== null) {
+        throw new Error("storage delete error")
+    }
+
+    ctx.storage.set(key, value1)
+    ctx.storage.clear()
+    if (ctx.storage.get(key) !== null) {
+        throw new Error("storage clear error")
+    }
+
+    ctx.res = {
+        name: "test",
+        files: Array(2).fill(true).map((_, i) => ({
+                name: `test-${i}.txt`,
+                size: 1024,
+                req: {
+                    url: ctx.req.url + "/" + i,
+                }
+            }),
+        ),
+    };
+});

pkg/download/testdata/extensions/storage/manifest.json

@@ -0,0 +1,21 @@
+{
+  "name": "basic",
+  "title": "gopeed extension basic test",
+  "version": "0.0.1",
+  "scripts": [
+    {
+      "event": "onResolve",
+      "matches": [
+        "*://github.com/*"
+      ],
+      "entry": "index.js"
+    }
+  ],
+  "settings": [
+    {
+      "name": "ua",
+      "title": "User-Agent",
+      "type": "string"
+    }
+  ]
+}