Update scripts

scripts/core/dictionary.ts

@@ -0,0 +1,31 @@
+export class Dictionary {
+  dict: any
+
+  constructor(dict?: any) {
+    this.dict = dict || {}
+  }
+
+  set(key: string, value: any) {
+    this.dict[key] = value
+  }
+
+  has(key: string): boolean {
+    return !!this.dict[key]
+  }
+
+  missing(key: string): boolean {
+    return !this.dict[key]
+  }
+
+  get(key: string): any {
+    return this.dict[key] ? this.dict[key] : undefined
+  }
+
+  keys(): string[] {
+    return Object.keys(this.dict)
+  }
+
+  data() {
+    return this.dict
+  }
+}