fitty.min.js

/*
 * fitty v2.3.0 - Snugly resizes text to fit its parent container
 * Copyright (c) 2020 Rik Schennink <rik@pqina.nl> (https://pqina.nl/)
 */
!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 E=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(n){if(n){var r={IDLE:0,DIRTY_CONTENT:1,DIRTY_LAYOUT:2,DIRTY:3},i=[],e=null,o="requestAnimationFrame"in n?function(){n.cancelAnimationFrame(e),e=n.requestAnimationFrame(function(){return u(i.filter(function(e){return e.dirty&&e.active}))})}:function(){},t=function(t){return function(){i.forEach(function(e){return e.dirty=t}),o()}},u=function(e){e.filter(function(e){return!e.styleComputed}).forEach(function(e){e.styleComputed=s(e)}),e.filter(f).forEach(d);var t=e.filter(c);t.forEach(l),t.forEach(function(e){d(e),a(e)}),t.forEach(p)},a=function(e){return e.dirty=r.IDLE},l=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"},c=function(e){return e.dirty!==r.DIRTY_LAYOUT||e.dirty===r.DIRTY_LAYOUT&&e.element.parentNode.clientWidth!==e.availableWidth},s=function(e){var t=n.getComputedStyle(e.element,null);e.currentFontSize=parseInt(t.getPropertyValue("font-size"),10),e.display=t.getPropertyValue("display"),e.whiteSpace=t.getPropertyValue("white-space")},f=function(e){var t=!1;return!e.preStyleTestCompleted&&(/inline-/.test(e.display)||(t=!0,e.display="inline-block"),"nowrap"!==e.whiteSpace&&(t=!0,e.whiteSpace="nowrap"),e.preStyleTestCompleted=!0,t)},d=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"},p=function(e){e.element.dispatchEvent(new CustomEvent("fit",{detail:{oldValue:e.previousFontSize,newValue:e.currentFontSize,scaleFactor:e.currentFontSize/e.previousFontSize}}))},v=function(e,t){return function(){e.dirty=t,e.active&&o()}},m=function(e){b(e),e.newbie=!0,e.dirty=!0,i.push(e)},y=function(t){return function(){i=i.filter(function(e){return e.element!==t.element}),t.observeMutations&&t.observer.disconnect(),t.element.style.cssText=t.originalStyle}},h=function(e){return function(){e.active||(e.active=!0,o())}},S=function(e){return function(){return e.active=!1}},b=function(e){e.observeMutations&&(e.observer=new MutationObserver(v(e,r.DIRTY_CONTENT)),e.observer.observe(e.element,e.observeMutations))},w={minSize:16,maxSize:512,multiLine:!0,observeMutations:"MutationObserver"in n&&{subtree:!0,childList:!0,characterData:!0}},T=null,z=function(){n.clearTimeout(T),T=n.setTimeout(t(r.DIRTY_LAYOUT),D.observeWindowDelay)},F=["resize","orientationchange"];return Object.defineProperty(D,"observeWindow",{set:function(e){var t=(e?"add":"remove")+"EventListener";F.forEach(function(e){n[t](e,z)})}}),D.observeWindow=!0,D.observeWindowDelay=100,D.fitAll=t(r.DIRTY),D}function g(e,t){var n=E({},w,t),i=e.map(function(e){var t=E({},n,{element:e,active:!0});return m(t),{element:e,fit:v(t,r.DIRTY),unfreeze:h(t),freeze:S(t),unsubscribe:y(t)}});return o(),i}function D(e){var t,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};return"string"==typeof e?g((t=document.querySelectorAll(e),[].slice.call(t)),n):g([e],n)[0]}}("undefined"==typeof window?null:window),e.exports=t.default});