5 lines
3.5 KiB
JavaScript
5 lines
3.5 KiB
JavaScript
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/*
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* fitty v2.2.5 - Snugly resizes text to fit its parent container
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* Copyright (c) 2017 Rik Schennink <hello@rikschennink.nl> (http://rikschennink.nl/)
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*/
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!function(e,t){if("function"==typeof define&&define.amd)define(["module","exports"],t);else if("undefined"!=typeof exports)t(module,exports);else{var n={exports:{}};t(n,n.exports),e.fitty=n.exports}}(this,function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var i in n)Object.prototype.hasOwnProperty.call(n,i)&&(e[i]=n[i])}return e};t.default=function(e){function t(e,t){var i=n({},F,t),r=e.map(function(e){var t=n({},i,{element:e});return S(t),T(t),{element:e,fit:b(t,o.DIRTY),unsubscribe:w(t)}});return l(),r}function i(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return"string"==typeof e?t(r(document.querySelectorAll(e)),n):t([e],n)[0]}if(e){var r=function(e){return[].slice.call(e)},o={IDLE:0,DIRTY_CONTENT:1,DIRTY_LAYOUT:2,DIRTY:3},u=[],a=null,l="requestAnimationFrame"in e?function(){e.cancelAnimationFrame(a),a=e.requestAnimationFrame(function(){s(u.filter(function(e){return e.dirty}))})}:function(){},c=function(e){return function(){u.forEach(function(t){t.dirty=e}),l()}},s=function(e){e.filter(function(e){return!e.styleComputed}).forEach(function(e){e.styleComputed=p(e)}),e.filter(m).forEach(y),e.filter(d).forEach(f),e.forEach(v),e.forEach(h)},f=function(e){e.availableWidth=e.element.parentNode.clientWidth,e.currentWidth=e.element.scrollWidth,e.previousFontSize=e.currentFontSize,e.currentFontSize=Math.min(Math.max(e.minSize,e.availableWidth/e.currentWidth*e.previousFontSize),e.maxSize),e.whiteSpace=e.multiLine&&e.currentFontSize===e.minSize?"normal":"nowrap"},d=function(e){return e.dirty!==o.DIRTY_LAYOUT||e.dirty===o.DIRTY_LAYOUT&&e.element.parentNode.clientWidth!==e.availableWidth},p=function(t){var n=e.getComputedStyle(t.element,null);t.currentFontSize=parseInt(n.getPropertyValue("font-size"),10),t.display=n.getPropertyValue("display"),t.whiteSpace=n.getPropertyValue("white-space")},m=function(e){var t=!1;return/inline-/.test(e.display)||(t=!0,e.display="inline-block"),"nowrap"!==e.whiteSpace&&(t=!0,e.whiteSpace="nowrap"),t},v=function(e){y(e),e.dirty=o.IDLE},y=function(e){e.originalStyle||(e.originalStyle=e.element.getAttribute("style")||""),e.element.style.cssText=e.originalStyle+";white-space:"+e.whiteSpace+";display:"+e.display+";font-size:"+e.currentFontSize+"px"},h=function(e){e.element.dispatchEvent(new CustomEvent("fit",{detail:{oldValue:e.previousFontSize,newValue:e.currentFontSize,scaleFactor:e.currentFontSize/e.previousFontSize}}))},b=function(e,t){return function(){e.dirty=t,l()}},S=function(e){e.newbie=!0,e.dirty=!0,u.push(e)},w=function(e){return function(){u=u.filter(function(t){return t.element!==e.element}),e.observeMutations&&e.observer.disconnect(),e.element.style.cssText=e.originalStyle}},T=function(e){e.observeMutations&&(e.observer=new MutationObserver(b(e,o.DIRTY_CONTENT)),e.observer.observe(e.element,e.observeMutations))},z={subtree:!0,childList:!0,characterData:!0},F={minSize:16,maxSize:512,multiLine:!0,observeMutations:"MutationObserver"in e&&z},g=null,D=function(){e.clearTimeout(g),g=e.setTimeout(c(o.DIRTY_LAYOUT),i.observeWindowDelay)},E=["resize","orientationchange"];return Object.defineProperty(i,"observeWindow",{set:function(t){var n=(t?"add":"remove")+"EventListener";E.forEach(function(t){e[n](t,D)})}}),i.observeWindow=!0,i.observeWindowDelay=100,i.fitAll=c(o.DIRTY),i}}("undefined"==typeof window?null:window),e.exports=t.default});
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