adds browser compatibility, avoid global namespace pollution in browsers

- add trickle to window namespace if module is not defined - this should make trickle usable in browsers
manuelstofer · Feb 13, 2012 · 27b990e · 27b990e
1 parent 45b3a0b
commit 27b990e
Showing 1 changed file with 67 additions and 59 deletions.
diff --git a/lib/trickle.js b/lib/trickle.js
@@ -1,59 +1,67 @@
-var VERSION = '0.0.1';
-
-var Trickle = function (interval, callback) {
-	this._interval = interval;
-	this._requests = [];
-	this._lastRun = 0;
-	this._callback = callback;
-};
-
-Trickle.prototype = {
-
-	trickle: function (callback) {
-		var self = this;
-		this._requests.push(callback);
-		process.nextTick(function () { self._run(); });
-	},
-
-	isEmpty: function () {
-		return this._requests.length === 0;
-	},
-
-	_run: function () {
-		var now = (new Date()).getTime();
-
-		if (this._isReady()) {
-			this._requests.shift().call();
-			this._lastRun = now;
-
-			if (!this.isEmpty()) {
-				this._plan();
-			}
-
-		} else if (!this._planed) {
-			this._plan(this._lastRun + this._interval - now);
-		}
-
-		if (this.isEmpty() && this._callback) {
-			this._callback();
-		}
-	},
-
-	_plan: function (to) {
-		var self = this;
-		self._planed = true;
-		setTimeout(function () {
-				self._planed = false; self._run();
-			}, to || this._interval
-		);
-	},
-
-	_isReady: function () {
-		return this._lastRun === null || this._lastRun + this._interval <= (new Date()).getTime();
-	}
-};
-
-module.exports = {
-	VERSION: VERSION,
-	Trickle: Trickle
-};
+;(function () {
+
+    var VERSION = '0.0.1';
+
+    var Trickle = function (interval, callback) {
+        this._interval = interval;
+        this._requests = [];
+        this._lastRun = 0;
+        this._callback = callback;
+    };
+
+    Trickle.prototype = {
+
+        trickle: function (callback) {
+            var self = this;
+            this._requests.push(callback);
+            process.nextTick(function () { self._run(); });
+        },
+
+        isEmpty: function () {
+            return this._requests.length === 0;
+        },
+
+        _run: function () {
+            var now = (new Date()).getTime();
+
+            if (this._isReady()) {
+                this._requests.shift().call();
+                this._lastRun = now;
+
+                if (!this.isEmpty()) {
+                    this._plan();
+                }
+
+            } else if (!this._planed) {
+                this._plan(this._lastRun + this._interval - now);
+            }
+
+            if (this.isEmpty() && this._callback) {
+                this._callback();
+            }
+        },
+
+        _plan: function (to) {
+            var self = this;
+            self._planed = true;
+            setTimeout(function () {
+                    self._planed = false; self._run();
+                }, to || this._interval
+            );
+        },
+
+        _isReady: function () {
+            return this._lastRun === null || this._lastRun + this._interval <= (new Date()).getTime();
+        }
+    };
+
+    if (typeof module != 'undefined') {
+        module.exports = {
+            VERSION: VERSION,
+            Trickle: Trickle
+        };
+    } else {
+        window.Trickle = Trickle;
+    }
+
+}).call(this);