feat(core): first attempt to init script standard (#8224)

- lazy load
- rate limit per path
- init .debug.json support
- docs
- maintainer
- radar

lib/middleware/cache/memory.js

@@ -0,0 +1,42 @@
+const Lru = require('lru-cache');
+const config = require('@/config').value;
+
+const status = { available: false };
+
+const pageCache = new Lru({
+    maxAge: config.cache.routeExpire * 1000,
+    max: Infinity,
+});
+
+const routeCache = new Lru({
+    maxAge: config.cache.routeExpire * 1000,
+    max: Infinity,
+    updateAgeOnGet: true,
+});
+
+status.available = true;
+
+module.exports = {
+    get: (key, refresh = true) => {
+        if (key && status.available) {
+            let value = (refresh ? routeCache : pageCache).get(key);
+            if (value) {
+                value = value + '';
+            }
+            return value;
+        }
+    },
+    set: (key, value, maxAge = config.cache.contentExpire, refresh = true) => {
+        if (!value || value === 'undefined') {
+            value = '';
+        }
+        if (typeof value === 'object') {
+            value = JSON.stringify(value);
+        }
+        if (key && status.available) {
+            return (refresh ? routeCache : pageCache).set(key, value, maxAge * 1000);
+        }
+    },
+    clients: { pageCache, routeCache },
+    status,
+};