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using unminified version of autosize
This commit is contained in:
146
public/vendor/autosize.js
vendored
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146
public/vendor/autosize.js
vendored
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/*!
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Autosize 2.0.0
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license: MIT
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http://www.jacklmoore.com/autosize
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*/
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(function (root, factory) {
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'use strict';
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if (typeof define === 'function' && define.amd) {
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// AMD. Register as an anonymous module.
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define([], factory);
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} else if (typeof exports === 'object') {
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// Node. Does not work with strict CommonJS, but
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// only CommonJS-like environments that support module.exports,
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// like Node.
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module.exports = factory();
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} else {
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// Browser globals (root is window)
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root.autosize = factory();
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}
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}(this, function () {
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function main(ta) {
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if (!ta || !ta.nodeName || ta.nodeName !== 'TEXTAREA' || ta.hasAttribute('data-autosize-on')) { return; }
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var maxHeight;
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var heightOffset;
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function init() {
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var style = window.getComputedStyle(ta, null);
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if (style.resize === 'vertical') {
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ta.style.resize = 'none';
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} else if (style.resize === 'both') {
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ta.style.resize = 'horizontal';
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}
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// horizontal overflow is hidden, so break-word is necessary for handling words longer than the textarea width
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ta.style.wordWrap = 'break-word';
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// Chrome/Safari-specific fix:
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// When the textarea y-overflow is hidden, Chrome/Safari doesn't reflow the text to account for the space
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// made available by removing the scrollbar. This workaround will cause the text to reflow.
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var width = ta.style.width;
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ta.style.width = '0px';
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// Force reflow:
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/* jshint ignore:start */
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ta.offsetWidth;
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/* jshint ignore:end */
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ta.style.width = width;
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maxHeight = style.maxHeight !== 'none' ? parseFloat(style.maxHeight) : false;
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if (style.boxSizing === 'content-box') {
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heightOffset = -(parseFloat(style.paddingTop)+parseFloat(style.paddingBottom));
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} else {
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heightOffset = parseFloat(style.borderTopWidth)+parseFloat(style.borderBottomWidth);
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}
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adjust();
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}
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function adjust() {
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var startHeight = ta.style.height;
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var htmlTop = document.documentElement.scrollTop;
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var bodyTop = document.body.scrollTop;
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ta.style.height = 'auto';
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var endHeight = ta.scrollHeight+heightOffset;
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if (maxHeight !== false && maxHeight < endHeight) {
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endHeight = maxHeight;
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if (ta.style.overflowY !== 'scroll') {
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ta.style.overflowY = 'scroll';
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}
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} else if (ta.style.overflowY !== 'hidden') {
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ta.style.overflowY = 'hidden';
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}
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ta.style.height = endHeight+'px';
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// prevents scroll-position jumping
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document.documentElement.scrollTop = htmlTop;
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document.body.scrollTop = bodyTop;
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if (startHeight !== ta.style.height) {
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var evt = document.createEvent('Event');
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evt.initEvent('autosize.resized', true, false);
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ta.dispatchEvent(evt);
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}
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}
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// IE9 does not fire onpropertychange or oninput for deletions,
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// so binding to onkeyup to catch most of those events.
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// There is no way that I know of to detect something like 'cut' in IE9.
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if ('onpropertychange' in ta && 'oninput' in ta) {
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ta.addEventListener('keyup', adjust);
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}
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window.addEventListener('resize', adjust);
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ta.addEventListener('input', adjust);
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ta.addEventListener('autosize.update', adjust);
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ta.addEventListener('autosize.destroy', function(style){
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window.removeEventListener('resize', adjust);
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ta.removeEventListener('input', adjust);
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ta.removeEventListener('keyup', adjust);
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ta.removeEventListener('autosize.destroy');
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Object.keys(style).forEach(function(key){
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ta.style[key] = style[key];
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});
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ta.removeAttribute('data-autosize-on');
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}.bind(ta, {
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height: ta.style.height,
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overflow: ta.style.overflow,
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overflowY: ta.style.overflowY,
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wordWrap: ta.style.wordWrap,
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resize: ta.style.resize
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}));
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ta.setAttribute('data-autosize-on', true);
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ta.style.overflow = 'hidden';
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ta.style.overflowY = 'hidden';
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init();
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}
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// Do nothing in IE8 or lower
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if (typeof window.getComputedStyle !== 'function') {
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return function(elements) {
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return elements;
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};
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} else {
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return function(elements) {
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if (elements && elements.length) {
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Array.prototype.forEach.call(elements, main);
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} else if (elements && elements.nodeName) {
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main(elements);
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}
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return elements;
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};
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}
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}));
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