angularjs-autogrow

AngularJS 1.x directive for auto-grow / auto-resize of textarea elements

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angularjs-autogrow
AngularJS directive for auto-grow / auto-resize of textarea elements on typing.
Works in all cases: expands on line breaks and word breaks. Great Performance: minimal DOM manipulation and no watchers. Allows limitation of auto-growing so a scrollbar will appear after X lines of content.

Installation via NPM

``npm install angularjs-autogrow --save``

Usage:

Include angular-autogrow.min.js file in <head> section of the HTML:
<script type="text/javascript" src="angularjs-autogrow.min.js"></script>

Include angularjs-autogrow dependency in your angular module:
var app = angular.module("app", ["angularjs-autogrow"]);

It's also recommended to add those two CSS properties to make things stable:
textarea {
	resize: none;
	box-sizing: content-box;
}

Add the directive to the textarea element:
<textarea autogrow></textarea>

More Options:

Limit Autogrow Lines

You can limit the auto-growing of the textarea element by using max-lines attribute:
<textarea autogrow max-lines="3"></textarea>

Set Initial Rows

You can set the initial line number using rows attribute:
<textarea autogrow rows="1"></textarea>

Autogrow on css properties change

You can define which CSS properties have to be watched in order to trigger the auto-growing:
<textarea autogrow="font-family,font-size"></textarea>