Update framework

framework/resonator/data-pool.js

@@ -0,0 +1,48 @@
+// a data pool holds frequently played sounds in memory together with decoded audio data to no longer have to decode them from the cache when loaded again
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+import EventEmitter from 'eventemitter3';
+import DataPoolItem from './data-pool-item';
+import { HTTPLoader } from './loaders/http-loader';
+export default class DataPool extends EventEmitter {
+    constructor(context, loader = new HTTPLoader(), maxData = 512) {
+        super();
+        this.loader = loader;
+        this.data = {};
+        this.maxData = maxData;
+        this.context = context;
+    }
+    get(path) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.data[path]) {
+                return this.data[path].getDecodedData();
+            }
+            else {
+                const buffer = yield this.loader.get(path);
+                const decoded = yield this.context.decodeAudioData(buffer);
+                const item = new DataPoolItem(path, buffer, decoded);
+                const length = Object.keys(this.data).length;
+                if (length < this.maxData) {
+                    this.data[path] = item;
+                }
+                else {
+                    // TODO: figure out a more clever solution than just removing the first loaded data. Like tracking how much certain data is needed and prioritize them.
+                    // const paths: string[] = Object.keys(this.data);
+                    // delete this.data[paths[0]];
+                    this.data[path] = item;
+                }
+                return item.getDecodedData();
+            }
+        });
+    }
+    clear() {
+        this.data = {};
+    }
+}