CodePlayground/lib/codeflask.min.js

2 lines
23 KiB
JavaScript

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.CodeFlask=t()}(this,function(){"use strict";var e,t,n,a='"SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace',s="\n .codeflask {\n position: absolute;\n width: 100%;\n height: 100%;\n overflow: hidden;\n }\n\n .codeflask, .codeflask * {\n box-sizing: border-box;\n }\n\n .codeflask__pre {\n pointer-events: none;\n z-index: 3;\n overflow: hidden;\n }\n\n .codeflask__textarea {\n background: none;\n border: none;\n color: "+(e="caret-color",t="#000",(CSS?CSS.supports(e,t):(n=(n=e).split("-").filter(function(e){return!!e}).map(function(e){return e[0].toUpperCase()+e.substr(1)}).join(""))[0].toLowerCase()+n.substr(1)in document.body.style)?"#fff":"#ccc")+";\n z-index: 1;\n resize: none;\n font-family: "+a+";\n -webkit-appearance: pre;\n caret-color: #111;\n z-index: 2;\n width: 100%;\n height: 100%;\n }\n\n .codeflask--has-line-numbers 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n=document.createElement(e);return t.appendChild(n),n},d.prototype.runOptions=function(){this.opts.rtl=this.opts.rtl||!1,this.opts.tabSize=this.opts.tabSize||2,this.opts.enableAutocorrect=this.opts.enableAutocorrect||!1,this.opts.lineNumbers=this.opts.lineNumbers||!1,this.opts.defaultTheme=!1!==this.opts.defaultTheme,this.opts.areaId=this.opts.areaId||null,this.opts.ariaLabelledby=this.opts.ariaLabelledby||null,this.opts.readonly=this.opts.readonly||null,"boolean"!=typeof this.opts.handleTabs&&(this.opts.handleTabs=!0),"boolean"!=typeof this.opts.handleSelfClosingCharacters&&(this.opts.handleSelfClosingCharacters=!0),"boolean"!=typeof this.opts.handleNewLineIndentation&&(this.opts.handleNewLineIndentation=!0),!0===this.opts.rtl&&(this.elTextarea.setAttribute("dir","rtl"),this.elPre.setAttribute("dir","rtl")),!1===this.opts.enableAutocorrect&&(this.elTextarea.setAttribute("spellcheck","false"),this.elTextarea.setAttribute("autocapitalize","off"),this.elTextarea.setAttribute("autocomplete","off"),this.elTextarea.setAttribute("autocorrect","off")),this.opts.lineNumbers&&(this.elWrapper.classList.add("codeflask--has-line-numbers"),this.createLineNumbers()),this.opts.defaultTheme&&i("\n.codeflask {\n background: #fff;\n color: #4f559c;\n}\n\n.codeflask .token.punctuation {\n color: #4a4a4a;\n}\n\n.codeflask .token.keyword {\n color: #8500ff;\n}\n\n.codeflask .token.operator {\n color: #ff5598;\n}\n\n.codeflask .token.string {\n color: #41ad8f;\n}\n\n.codeflask .token.comment {\n color: #9badb7;\n}\n\n.codeflask .token.function {\n color: #8500ff;\n}\n\n.codeflask .token.boolean {\n color: #8500ff;\n}\n\n.codeflask .token.number {\n color: #8500ff;\n}\n\n.codeflask .token.selector {\n color: #8500ff;\n}\n\n.codeflask .token.property {\n color: #8500ff;\n}\n\n.codeflask .token.tag {\n color: #8500ff;\n}\n\n.codeflask .token.attr-value {\n color: #8500ff;\n}\n","theme-default",this.opts.styleParent),this.opts.areaId&&this.elTextarea.setAttribute("id",this.opts.areaId),this.opts.ariaLabelledby&&this.elTextarea.setAttribute("aria-labelledby",this.opts.ariaLabelledby),this.opts.readonly&&this.enableReadonlyMode()},d.prototype.updateLineNumbersCount=function(){for(var e="",t=1;t<=this.lineNumber;t++)e=e+'<span class="codeflask__lines__line">'+t+"</span>";this.elLineNumbers.innerHTML=e},d.prototype.listenTextarea=function(){var e=this;this.elTextarea.addEventListener("input",function(t){e.code=t.target.value,e.elCode.innerHTML=o(t.target.value),e.highlight(),setTimeout(function(){e.runUpdate(),e.setLineNumber()},1)}),this.elTextarea.addEventListener("keydown",function(t){e.handleTabs(t),e.handleSelfClosingCharacters(t),e.handleNewLineIndentation(t)}),this.elTextarea.addEventListener("scroll",function(t){e.elPre.style.transform="translate3d(-"+t.target.scrollLeft+"px, -"+t.target.scrollTop+"px, 0)",e.elLineNumbers&&(e.elLineNumbers.style.transform="translate3d(0, -"+t.target.scrollTop+"px, 0)")})},d.prototype.handleTabs=function(e){if(this.opts.handleTabs){if(9!==e.keyCode)return;e.preventDefault();var t=this.elTextarea,n=t.selectionDirection,a=t.selectionStart,s=t.selectionEnd,i=t.value,r=i.substr(0,a),o=i.substring(a,s),l=i.substring(s),c=" ".repeat(this.opts.tabSize);if(a!==s&&o.length>=c.length){var u=a-r.split("\n").pop().length,d=c.length,h=c.length;if(e.shiftKey)i.substr(u,c.length)===c?(d=-d,u>a?(o=o.substring(0,u)+o.substring(u+c.length),h=0):u===a?(d=0,h=0,o=o.substring(c.length)):(h=-h,r=r.substring(0,u)+r.substring(u+c.length))):(d=0,h=0),o=o.replace(new RegExp("\n"+c.split("").join("\\"),"g"),"\n");else r=r.substr(0,u)+c+r.substring(u,a),o=o.replace(/\n/g,"\n"+c);t.value=r+o+l,t.selectionStart=a+d,t.selectionEnd=a+o.length+h,t.selectionDirection=n}else t.value=r+c+l,t.selectionStart=a+c.length,t.selectionEnd=a+c.length;var p=t.value;this.updateCode(p),this.elTextarea.selectionEnd=s+this.opts.tabSize}},d.prototype.handleSelfClosingCharacters=function(e){if(this.opts.handleSelfClosingCharacters){var t=e.key;if(["(","[","{","<","'",'"'].includes(t)||[")","]","}",">","'",'"'].includes(t))switch(t){case"(":case")":this.closeCharacter(t);break;case"[":case"]":this.closeCharacter(t);break;case"{":case"}":this.closeCharacter(t);break;case"<":case">":case"'":case'"':this.closeCharacter(t)}}},d.prototype.setLineNumber=function(){this.lineNumber=this.code.split("\n").length,this.opts.lineNumbers&&this.updateLineNumbersCount()},d.prototype.handleNewLineIndentation=function(e){if(this.opts.handleNewLineIndentation&&13===e.keyCode){e.preventDefault();var t=this.elTextarea,n=t.selectionStart,a=t.selectionEnd,s=t.value,i=s.substr(0,n),r=s.substring(a),o=s.lastIndexOf("\n",n-1),l=o+s.slice(o+1).search(/[^ ]|$/),c=l>o?l-o:0,u=i+"\n"+" ".repeat(c)+r;t.value=u,t.selectionStart=n+c+1,t.selectionEnd=n+c+1,this.updateCode(t.value)}},d.prototype.closeCharacter=function(e){var t=this.elTextarea.selectionStart,n=this.elTextarea.selectionEnd;if(this.skipCloseChar(e)){var a=this.code.substr(n,1)===e,s=a?n+1:n,i=!a&&["'",'"'].includes(e)?e:"",r=""+this.code.substring(0,t)+i+this.code.substring(s);this.updateCode(r),this.elTextarea.selectionEnd=++this.elTextarea.selectionStart}else{var o=e;switch(e){case"(":o=String.fromCharCode(e.charCodeAt()+1);break;case"<":case"{":case"[":o=String.fromCharCode(e.charCodeAt()+2)}var l=this.code.substring(t,n),c=""+this.code.substring(0,t)+l+o+this.code.substring(n);this.updateCode(c)}this.elTextarea.selectionEnd=t},d.prototype.skipCloseChar=function(e){var t=this.elTextarea.selectionStart,n=this.elTextarea.selectionEnd,a=Math.abs(n-t)>0;return[")","}","]",">"].includes(e)||["'",'"'].includes(e)&&!a},d.prototype.updateCode=function(e){this.code=e,this.elTextarea.value=e,this.elCode.innerHTML=o(e),this.highlight(),this.setLineNumber(),setTimeout(this.runUpdate.bind(this),1)},d.prototype.updateLanguage=function(e){var t=this.opts.language;this.elCode.classList.remove("language-"+t),this.elCode.classList.add("language-"+e),this.opts.language=e,this.highlight()},d.prototype.addLanguage=function(e,t){u.languages[e]=t},d.prototype.populateDefault=function(){this.updateCode(this.code)},d.prototype.highlight=function(){u.highlightElement(this.elCode,!1)},d.prototype.onUpdate=function(e){if(e&&"[object Function]"!=={}.toString.call(e))throw Error("CodeFlask expects callback of type Function");this.updateCallBack=e},d.prototype.getCode=function(){return this.code},d.prototype.runUpdate=function(){this.updateCallBack&&this.updateCallBack(this.code)},d.prototype.enableReadonlyMode=function(){this.elTextarea.setAttribute("readonly",!0)},d.prototype.disableReadonlyMode=function(){this.elTextarea.removeAttribute("readonly")},d});