初始化提交

common/modules/mixly-modules/common/registry.js

@@ -0,0 +1,71 @@
+goog.loadJs('common', () => {
+
+goog.require('Mixly.Debug');
+goog.provide('Mixly.Registry');
+
+const { Debug } = Mixly;
+
+class Registry {
+    #registry_ = new Map();
+    
+    constructor() {
+        this.reset();
+    }
+
+    reset() {
+        this.#registry_.clear();
+    }
+
+    validate(keys) {
+        if (!(keys instanceof Array)) {
+            keys = [keys];
+        }
+        return keys;
+    }
+
+    register(keys, value) {
+        keys = this.validate(keys);
+        for (let key of keys) {
+            if (this.#registry_.has(key)) {
+                Debug.warn(`${key}已存在，不可重复注册`);
+                continue;
+            }
+            this.#registry_.set(key, value);
+        }
+    }
+
+    unregister(keys) {
+        keys = this.validate(keys);
+        for (let key of keys) {
+            if (!this.#registry_.has(key)) {
+                Debug.warn(`${key}不存在，无需取消注册`);
+                continue;
+            }
+            this.#registry_.delete(key);
+        }
+    }
+
+    length() {
+        return this.#registry_.size;
+    }
+
+    hasKey(key) {
+        return this.#registry_.has(key);
+    }
+
+    keys() {
+        return [...this.#registry_.keys()];
+    }
+
+    getItem(key) {
+        return this.#registry_.get(key) ?? null;
+    }
+
+    getAllItems() {
+        return this.#registry_;
+    }
+}
+
+Mixly.Registry = Registry;
+
+});