autosize.min.js 3.3 KB

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  1. /*!
  2. Autosize 3.0.17
  3. license: MIT
  4. http://www.jacklmoore.com/autosize
  5. */
  6. !function(e,t){if("function"==typeof define&&define.amd)define(["exports","module"],t);else if("undefined"!=typeof exports&&"undefined"!=typeof module)t(exports,module);else{var n={exports:{}};t(n.exports,n),e.autosize=n.exports}}(this,function(e,t){"use strict";function n(e){function t(){var t=window.getComputedStyle(e,null);"vertical"===t.resize?e.style.resize="none":"both"===t.resize&&(e.style.resize="horizontal"),l="content-box"===t.boxSizing?-(parseFloat(t.paddingTop)+parseFloat(t.paddingBottom)):parseFloat(t.borderTopWidth)+parseFloat(t.borderBottomWidth),isNaN(l)&&(l=0),a()}function n(t){var n=e.style.width;e.style.width="0px",e.offsetWidth,e.style.width=n,e.style.overflowY=t,r()}function o(e){for(var t=[];e&&e.parentNode&&e.parentNode instanceof Element;)e.parentNode.scrollTop&&t.push({node:e.parentNode,scrollTop:e.parentNode.scrollTop}),e=e.parentNode;return t}function r(){var t=e.style.height,n=o(e),r=document.documentElement&&document.documentElement.scrollTop;e.style.height="auto";var i=e.scrollHeight+l;return 0===e.scrollHeight?void(e.style.height=t):(e.style.height=i+"px",s=e.clientWidth,n.forEach(function(e){e.node.scrollTop=e.scrollTop}),void(r&&(document.documentElement.scrollTop=r)))}function a(){r();var t=window.getComputedStyle(e,null),o=Math.round(parseFloat(t.height)),i=Math.round(parseFloat(e.style.height));if(o!==i?"visible"!==t.overflowY&&n("visible"):"hidden"!==t.overflowY&&n("hidden"),u!==o){u=o;var a=d("autosize:resized");e.dispatchEvent(a)}}if(e&&e.nodeName&&"TEXTAREA"===e.nodeName&&!i.has(e)){var l=null,s=e.clientWidth,u=null,c=function(){e.clientWidth!==s&&a()},p=function(t){window.removeEventListener("resize",c,!1),e.removeEventListener("input",a,!1),e.removeEventListener("keyup",a,!1),e.removeEventListener("autosize:destroy",p,!1),e.removeEventListener("autosize:update",a,!1),i["delete"](e),Object.keys(t).forEach(function(n){e.style[n]=t[n]})}.bind(e,{height:e.style.height,resize:e.style.resize,overflowY:e.style.overflowY,overflowX:e.style.overflowX,wordWrap:e.style.wordWrap});e.addEventListener("autosize:destroy",p,!1),"onpropertychange"in e&&"oninput"in e&&e.addEventListener("keyup",a,!1),window.addEventListener("resize",c,!1),e.addEventListener("input",a,!1),e.addEventListener("autosize:update",a,!1),i.add(e),e.style.overflowX="hidden",e.style.wordWrap="break-word",t()}}function o(e){if(e&&e.nodeName&&"TEXTAREA"===e.nodeName){var t=d("autosize:destroy");e.dispatchEvent(t)}}function r(e){if(e&&e.nodeName&&"TEXTAREA"===e.nodeName){var t=d("autosize:update");e.dispatchEvent(t)}}var i="function"==typeof Set?new Set:function(){var e=[];return{has:function(t){return Boolean(e.indexOf(t)>-1)},add:function(t){e.push(t)},"delete":function(t){e.splice(e.indexOf(t),1)}}}(),d=function(e){return new Event(e)};try{new Event("test")}catch(a){d=function(e){var t=document.createEvent("Event");return t.initEvent(e,!0,!1),t}}var l=null;"undefined"==typeof window||"function"!=typeof window.getComputedStyle?(l=function(e){return e},l.destroy=function(e){return e},l.update=function(e){return e}):(l=function(e,t){return e&&Array.prototype.forEach.call(e.length?e:[e],function(e){return n(e,t)}),e},l.destroy=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],o),e},l.update=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],r),e}),t.exports=l});