Added bundle

Observe.bundle.js

@@ -0,0 +1,174 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+// This is a specialised implementation of a System module loader.
+
+"use strict";
+
+// @ts-nocheck
+/* eslint-disable */
+let System, __instantiate;
+(() => {
+  const r = new Map();
+
+  System = {
+    register(id, d, f) {
+      r.set(id, { d, f, exp: {} });
+    },
+  };
+  async function dI(mid, src) {
+    let id = mid.replace(/\.\w+$/i, "");
+    if (id.includes("./")) {
+      const [o, ...ia] = id.split("/").reverse(),
+        [, ...sa] = src.split("/").reverse(),
+        oa = [o];
+      let s = 0,
+        i;
+      while ((i = ia.shift())) {
+        if (i === "..") s++;
+        else if (i === ".") break;
+        else oa.push(i);
+      }
+      if (s < sa.length) oa.push(...sa.slice(s));
+      id = oa.reverse().join("/");
+    }
+    return r.has(id) ? gExpA(id) : import(mid);
+  }
+
+  function gC(id, main) {
+    return {
+      id,
+      import: (m) => dI(m, id),
+      meta: { url: id, main },
+    };
+  }
+
+  function gE(exp) {
+    return (id, v) => {
+      v = typeof id === "string" ? { [id]: v } : id;
+      for (const [id, value] of Object.entries(v)) {
+        Object.defineProperty(exp, id, {
+          value,
+          writable: true,
+          enumerable: true,
+        });
+      }
+    };
+  }
+
+  function rF(main) {
+    for (const [id, m] of r.entries()) {
+      const { f, exp } = m;
+      const { execute: e, setters: s } = f(gE(exp), gC(id, id === main));
+      delete m.f;
+      m.e = e;
+      m.s = s;
+    }
+  }
+
+  async function gExpA(id) {
+    if (!r.has(id)) return;
+    const m = r.get(id);
+    if (m.s) {
+      const { d, e, s } = m;
+      delete m.s;
+      delete m.e;
+      for (let i = 0; i < s.length; i++) s[i](await gExpA(d[i]));
+      const r = e();
+      if (r) await r;
+    }
+    return m.exp;
+  }
+
+  function gExp(id) {
+    if (!r.has(id)) return;
+    const m = r.get(id);
+    if (m.s) {
+      const { d, e, s } = m;
+      delete m.s;
+      delete m.e;
+      for (let i = 0; i < s.length; i++) s[i](gExp(d[i]));
+      e();
+    }
+    return m.exp;
+  }
+  __instantiate = (m, a) => {
+    System = __instantiate = undefined;
+    rF(m);
+    return a ? gExpA(m) : gExp(m);
+  };
+})();
+
+System.register("Observe", [], function (exports_1, context_1) {
+    "use strict";
+    var Observe;
+    var __moduleName = context_1 && context_1.id;
+    return {
+        setters: [],
+        execute: function () {
+            Observe = class Observe {
+                constructor(defaultValue) {
+                    this.history = [];
+                    this.currentEvent = new CustomEvent("");
+                    this.maxHistorySize = 1000;
+                    this.lastNestedBound = () => { };
+                    this.eventID = "Observed_" +
+                        crypto.getRandomValues(new Uint32Array(2)).toString().replace(",", "_");
+                    this.history.push(defaultValue);
+                    if (defaultValue instanceof Observe) {
+                        this.lastNestedBound = defaultValue.bind((d) => this.emit(defaultValue));
+                    }
+                }
+                getValue() {
+                    return this.history[this.history.length - 1];
+                }
+                getHistory() {
+                    return this.history;
+                }
+                bind(callback) {
+                    let func = (e) => callback(e.detail);
+                    addEventListener(this.eventID, func);
+                    return func;
+                }
+                unBind(callback) {
+                    removeEventListener(this.eventID, callback);
+                }
+                setValue(value) {
+                    if (value !== this.getValue() && !(value instanceof Observe)) {
+                        this.updateHistory(value);
+                        this.emit(value);
+                    }
+                    else if (value instanceof Observe) {
+                        let lh = this.getHistory()[this.history.length - 1];
+                        lh.unBind(this.lastNestedBound);
+                        this.lastNestedBound = value.bind((d) => this.emit(value));
+                        this.updateHistory(value);
+                        this.emit(value);
+                    }
+                }
+                updateHistory(value) {
+                    this.history.push(value);
+                    if (this.history.length > this.maxHistorySize) {
+                        this.history.splice(1, 1);
+                    }
+                }
+                reset() {
+                    this.setValue(this.getHistory()[0]);
+                }
+                emit(value) {
+                    this.currentEvent = new CustomEvent(this.eventID, { detail: value });
+                    const success = dispatchEvent(this.currentEvent);
+                }
+                getEventID() {
+                    return this.eventID;
+                }
+                stop() {
+                    this.currentEvent.stopImmediatePropagation();
+                }
+            };
+            exports_1("default", Observe);
+        }
+    };
+});
+
+const __exp = __instantiate("Observe", false);
+export default __exp["default"];