Used newer Event constructor when available. Fixes jackmoore#280.

4zik88 · Jan 26, 2016 · 1e94f8a · 1e94f8a
1 parent e3534db
commit 1e94f8a
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Showing 5 changed files with 39 additions and 16 deletions.
diff --git a/changelog.md b/changelog.md
@@ -1,5 +1,8 @@
 ## Changelog
 
+##### v.3.0.15 - 2016-1-26
+* Used newer Event constructor, when available. Fixes #280.
+
 ##### v.3.0.14 - 2015-11-11
 * Fixed memory leak on destroy. Merged #271, fixes #270.
 * Fixed bug in old versions of Firefox (1-5), fixes #246.

diff --git a/dist/autosize.js b/dist/autosize.js
@@ -1,5 +1,5 @@
 /*!
-	Autosize 3.0.14
+	Autosize 3.0.15
 	license: MIT
 	http://www.jacklmoore.com/autosize
 */
@@ -33,6 +33,20 @@
 			} };
 	})();
 
+	var createEvent = function createEvent(name) {
+		return new Event(name);
+	};
+	try {
+		new Event('test');
+	} catch (e) {
+		// IE does not support `new Event()`
+		createEvent = function (name) {
+			var evt = document.createEvent('Event');
+			evt.initEvent(name, true, false);
+			return evt;
+		};
+	}
+
 	function assign(ta) {
 		var _ref = arguments[1] === undefined ? {} : arguments[1];
 
@@ -137,8 +151,7 @@
 			}
 
 			if (startHeight !== ta.style.height) {
-				var evt = document.createEvent('Event');
-				evt.initEvent('autosize:resized', true, false);
+				var evt = createEvent('autosize:resized');
 				ta.dispatchEvent(evt);
 			}
 		}
@@ -191,15 +204,13 @@
 
 	function destroy(ta) {
 		if (!(ta && ta.nodeName && ta.nodeName === 'TEXTAREA')) return;
-		var evt = document.createEvent('Event');
-		evt.initEvent('autosize:destroy', true, false);
+		var evt = createEvent('autosize:destroy');
 		ta.dispatchEvent(evt);
 	}
 
 	function update(ta) {
 		if (!(ta && ta.nodeName && ta.nodeName === 'TEXTAREA')) return;
-		var evt = document.createEvent('Event');
-		evt.initEvent('autosize:update', true, false);
+		var evt = createEvent('autosize:update');
 		ta.dispatchEvent(evt);
 	}
 

diff --git a/dist/autosize.min.js b/dist/autosize.min.js
diff --git a/package.json b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "autosize",
   "description": "Autosize is a small, stand-alone script to automatically adjust textarea height to fit text.",
-  "version": "3.0.14",
+  "version": "3.0.15",
   "keywords": [
     "textarea",
     "form",

diff --git a/src/autosize.js b/src/autosize.js
@@ -14,6 +14,18 @@ const set = (typeof Set === "function") ? new Set() : (function () {
 	}
 })();
 
+let createEvent = (name)=> new Event(name);
+try {
+	new Event('test');
+} catch(e) {
+	// IE does not support `new Event()`
+	createEvent = (name)=> {
+		const evt = document.createEvent('Event');
+		evt.initEvent(name, true, false);
+		return evt;
+	};
+}
+
 function assign(ta, {setOverflowX = true, setOverflowY = true} = {}) {
 	if (!ta || !ta.nodeName || ta.nodeName !== 'TEXTAREA' || set.has(ta)) return;
 
@@ -111,8 +123,7 @@ function assign(ta, {setOverflowX = true, setOverflowY = true} = {}) {
 		}
 
 		if (startHeight !== ta.style.height) {
-			const evt = document.createEvent('Event');
-			evt.initEvent('autosize:resized', true, false);
+			const evt = createEvent('autosize:resized');
 			ta.dispatchEvent(evt);
 		}
 	}
@@ -166,15 +177,13 @@ function assign(ta, {setOverflowX = true, setOverflowY = true} = {}) {
 
 function destroy(ta) {
 	if (!(ta && ta.nodeName && ta.nodeName === 'TEXTAREA')) return;
-	const evt = document.createEvent('Event');
-	evt.initEvent('autosize:destroy', true, false);
+	const evt = createEvent('autosize:destroy');
 	ta.dispatchEvent(evt);
 }
 
 function update(ta) {
 	if (!(ta && ta.nodeName && ta.nodeName === 'TEXTAREA')) return;
-	const evt = document.createEvent('Event');
-	evt.initEvent('autosize:update', true, false);
+	const evt = createEvent('autosize:update');
 	ta.dispatchEvent(evt);
 }