Initial Move from Azure DevOps to GitHub

src/Common/HashMap.ts

@@ -0,0 +1,45 @@
+/**
+ * Simple hashmap implementation that doesn't rely on ES6 Map nor polyfills
+ */
+export class HashMap<T> {
+  constructor(private container: { [key: string]: T } = {}) {}
+
+  public has(key: string): boolean {
+    return this.container.hasOwnProperty(key);
+  }
+
+  public set(key: string, value: T): void {
+    this.container[key] = value;
+  }
+
+  public get(key: string): T {
+    return this.container[key];
+  }
+
+  public size(): number {
+    return Object.keys(this.container).length;
+  }
+
+  public delete(key: string): boolean {
+    if (this.has(key)) {
+      delete this.container[key];
+      return true;
+    }
+
+    return false;
+  }
+
+  public clear(): void {
+    this.container = {};
+  }
+
+  public keys(): string[] {
+    return Object.keys(this.container);
+  }
+
+  public forEach(iteratorFct: (key: string, value: T) => void) {
+    for (const k in this.container) {
+      iteratorFct(k, this.container[k]);
+    }
+  }
+}