Selection.js

Selection.js provides a clean API to access the selection in a <textarea>. It is powerful and easy to use. It helps developers to deal with editors or the like.

Installation

Install with npm:

$ npm install selection.js --save

API

var Selection = require('selection.js');

new Selection(document.getElementById('textarea'));
new Selection(document.getElementsByTagName('textarea'));
new Selection($('textarea'));

Selection#cursor()

Get current cursor position, return [start, end]:

sel.cursor();

Set cursor position (or select text):

sel.cursor(1);
sel.cursor(1, 4);
sel.cursor([1, 4]);

Selection#text()

Get current selected text:

sel.text();

Replace current selected text:

// will select replaced text
// word ... [replaced text] word ...
sel.text('replaced text');

Selection#append(text)

Insert text after current selection

sel.append('append text');

Selection#prepend(text)

Insert text before current selection:

sel.prepend('prepend text');

Selection#line()

Get current line text:

sel.line()

Selection#surround()

Get surround word:

sel.surround();
sel.surround(3);   // get surroud 3 characters.

Selection#insertText(text, cursorStart, cursorEnd)

Insert text at the give cursor:

sel.insertText('text', 3, 4);

License

New BSD