第一次提交

common/onfire.js

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+"use strict";
+/**
+ * mini (~300 b) version for event-emitter.
+ */
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+/**
+ * const ee = new OnFire();
+ *
+ * ee.on('click', () => {});
+ *
+ * ee.on('mouseover', () => {});
+ *
+ * ee.emit('click', 1, 2, 3);
+ * ee.fire('mouseover', {}); // same with emit
+ *
+ * ee.off();
+ */
+
+var OnFire =
+/** @class */
+function () {
+  function OnFire() {
+    // 所有事件的监听器
+    this.es = {}; // cname of fire
+
+    this.emit = this.fire;
+  }
+
+  OnFire.prototype.on = function (eventName, cb, once) {
+    if (once === void 0) {
+      once = false;
+    }
+
+    if (!this.es[eventName]) {
+      this.es[eventName] = [];
+    }
+
+    this.es[eventName].push({
+      cb: cb,
+      once: once
+    });
+  };
+
+  OnFire.prototype.once = function (eventName, cb) {
+    this.on(eventName, cb, true);
+  };
+
+  OnFire.prototype.fire = function (eventName) {
+    var params = [];
+
+    for (var _i = 1; _i < arguments.length; _i++) {
+      params[_i - 1] = arguments[_i];
+    }
+
+    var listeners = this.es[eventName] || [];
+
+    for (var i = 0; i < listeners.length; i++) {
+      var _a = listeners[i],
+          cb = _a.cb,
+          once = _a.once;
+      cb.apply(this, params);
+
+      if (once) {
+        listeners.splice(i, 1);
+        i--;
+      }
+    }
+  };
+
+  OnFire.prototype.off = function (eventName, cb) {
+    // clean all
+    if (eventName === undefined) {
+      this.es = {};
+    } else {
+      if (cb === undefined) {
+        // clean the eventName's listeners
+        delete this.es[eventName];
+      } else {
+        var listeners = this.es[eventName] || []; // clean the event and listener
+
+        for (var i = 0; i < listeners.length; i++) {
+          if (listeners[i].cb === cb) {
+            listeners.splice(i, 1);
+            i--;
+          }
+        }
+      }
+    }
+  };
+
+  OnFire.ver = "2.0.0";
+  return OnFire;
+}();
+
+exports.default = OnFire;