package.dist.autosize.min.js Maven / Gradle / Ivy

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Autosize is a small, stand-alone script to automatically adjust textarea height to fit text.
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e||self).autosize=t()}(this,function(){var e=new Map;function t(t){var o=e.get(t);o&&o.destroy()}function o(t){var o=e.get(t);o&&o.update()}var r=null;return"undefined"==typeof window?((r=function(e){return e}).destroy=function(e){return e},r.update=function(e){return e}):((r=function(t,o){return t&&Array.prototype.forEach.call(t.length?t:[t],function(t){return function(t){if(t&&t.nodeName&&"TEXTAREA"===t.nodeName&&!e.has(t)){var o,r=null,n=window.getComputedStyle(t),i=(o=t.value,function(){s({testForHeightReduction:""===o||!t.value.startsWith(o),restoreTextAlign:null}),o=t.value}),l=function(o){t.removeEventListener("autosize:destroy",l),t.removeEventListener("autosize:update",a),t.removeEventListener("input",i),window.removeEventListener("resize",a),Object.keys(o).forEach(function(e){return t.style[e]=o[e]}),e.delete(t)}.bind(t,{height:t.style.height,resize:t.style.resize,textAlign:t.style.textAlign,overflowY:t.style.overflowY,overflowX:t.style.overflowX,wordWrap:t.style.wordWrap});t.addEventListener("autosize:destroy",l),t.addEventListener("autosize:update",a),t.addEventListener("input",i),window.addEventListener("resize",a),t.style.overflowX="hidden",t.style.wordWrap="break-word",e.set(t,{destroy:l,update:a}),a()}function s(e){var o,i,l=e.restoreTextAlign,a=void 0===l?null:l,d=e.testForHeightReduction,u=void 0===d||d,f=n.overflowY;if(0!==t.scrollHeight&&("vertical"===n.resize?t.style.resize="none":"both"===n.resize&&(t.style.resize="horizontal"),u&&(o=function(e){for(var t=[];e&&e.parentNode&&e.parentNode instanceof Element;)e.parentNode.scrollTop&&t.push([e.parentNode,e.parentNode.scrollTop]),e=e.parentNode;return function(){return t.forEach(function(e){var t=e[0],o=e[1];t.style.scrollBehavior="auto",t.scrollTop=o,t.style.scrollBehavior=null})}}(t),t.style.height=""),i="content-box"===n.boxSizing?t.scrollHeight-(parseFloat(n.paddingTop)+parseFloat(n.paddingBottom)):t.scrollHeight+parseFloat(n.borderTopWidth)+parseFloat(n.borderBottomWidth),"none"!==n.maxHeight&&i>parseFloat(n.maxHeight)?("hidden"===n.overflowY&&(t.style.overflow="scroll"),i=parseFloat(n.maxHeight)):"hidden"!==n.overflowY&&(t.style.overflow="hidden"),t.style.height=i+"px",a&&(t.style.textAlign=a),o&&o(),r!==i&&(t.dispatchEvent(new Event("autosize:resized",{bubbles:!0})),r=i),f!==n.overflow&&!a)){var c=n.textAlign;"hidden"===n.overflow&&(t.style.textAlign="start"===c?"end":"start"),s({restoreTextAlign:c,testForHeightReduction:!0})}}function a(){s({testForHeightReduction:!0,restoreTextAlign:null})}}(t)}),t}).destroy=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],t),e},r.update=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],o),e}),r});