libreqr/less.min.js

/*!
 * Less - Leaner CSS v3.9.0
 * http://lesscss.org
 *
 * Copyright (c) 2009-2018, Alexis Sellier <self@cloudhead.net>
 * Licensed under the Apache-2.0 License.
 *
 */

 /** * @license Apache-2.0
 */

!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.less=a()}}(function(){return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c?c:a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){var d=a("./utils").addDataAttr,e=a("./browser");b.exports=function(a,b){d(b,e.currentScript(a)),void 0===b.isFileProtocol&&(b.isFileProtocol=/^(file|(chrome|safari)(-extension)?|resource|qrc|app):/.test(a.location.protocol)),b.async=b.async||!1,b.fileAsync=b.fileAsync||!1,b.poll=b.poll||(b.isFileProtocol?1e3:1500),b.env=b.env||("127.0.0.1"==a.location.hostname||"0.0.0.0"==a.location.hostname||"localhost"==a.location.hostname||a.location.port&&a.location.port.length>0||b.isFileProtocol?"development":"production");var c=/!dumpLineNumbers:(comments|mediaquery|all)/.exec(a.location.hash);c&&(b.dumpLineNumbers=c[1]),void 0===b.useFileCache&&(b.useFileCache=!0),void 0===b.onReady&&(b.onReady=!0),b.relativeUrls&&(b.rewriteUrls="all")}},{"./browser":3,"./utils":11}],2:[function(a,b,c){function d(a){a.filename&&console.warn(a),e.async||h.removeChild(i)}a("promise/polyfill");var e=a("../less/default-options")();if(window.less)for(key in window.less)window.less.hasOwnProperty(key)&&(e[key]=window.less[key]);a("./add-default-options")(window,e),e.plugins=e.plugins||[],window.LESS_PLUGINS&&(e.plugins=e.plugins.concat(window.LESS_PLUGINS));var f=b.exports=a("./index")(window,e);window.less=f;var g,h,i;e.onReady&&(/!watch/.test(window.location.hash)&&f.watch(),e.async||(g="body { display: none !important }",h=document.head||document.getElementsByTagName("head")[0],i=document.createElement("style"),i.type="text/css",i.styleSheet?i.styleSheet.cssText=g:i.appendChild(document.createTextNode(g)),h.appendChild(i)),f.registerStylesheetsImmediately(),f.pageLoadFinished=f.refresh("development"===f.env).then(d,d))},{"../less/default-options":17,"./add-default-options":1,"./index":8,"promise/polyfill":104}],3:[function(a,b,c){var d=a("./utils");b.exports={createCSS:function(a,b,c){var e=c.href||"",f="less:"+(c.title||d.extractId(e)),g=a.getElementById(f),h=!1,i=a.createElement("style");i.setAttribute("type","text/css"),c.media&&i.setAttribute("media",c.media),i.id=f,i.styleSheet||(i.appendChild(a.createTextNode(b)),h=null!==g&&g.childNodes.length>0&&i.childNodes.length>0&&g.firstChild.nodeValue===i.firstChild.nodeValue);var j=a.getElementsByTagName("head")[0];if(null===g||h===!1){var k=c&&c.nextSibling||null;k?k.parentNode.insertBefore(i,k):j.appendChild(i)}if(g&&h===!1&&g.parentNode.removeChild(g),i.styleSheet)try{i.styleSheet.cssText=b}catch(l){throw new Error("Couldn't reassign styleSheet.cssText.")}},currentScript:function(a){var b=a.document;return b.currentScript||function(){var a=b.getElementsByTagName("script");return a[a.length-1]}()}}},{"./utils":11}],4:[function(a,b,c){b.exports=function(a,b,c){var d=null;if("development"!==b.env)try{d="undefined"==typeof a.localStorage?null:a.localStorage}catch(e){}return{setCSS:function(a,b,e,f){if(d){c.info("saving "+a+" to cache.");try{d.setItem(a,f),d.setItem(a+":timestamp",b),e&&d.setItem(a+":vars",JSON.stringify(e))}catch(g){c.error('failed to save "'+a+'" to local storage for caching.')}}},getCSS:function(a,b,c){var e=d&&d.getItem(a),f=d&&d.getItem(a+":timestamp"),g=d&&d.getItem(a+":vars");if(c=c||{},g=g||"{}",f&&b.lastModified&&new Date(b.lastModified).valueOf()===new Date(f).valueOf()&&JSON.stringify(c)===g)return e}}}},{}],5:[function(a,b,c){var d=a("./utils"),e=a("./browser");b.exports=function(a,b,c){function f(b,f){var g,h,i="less-error-message:"+d.e
var b=a.value.filter(function(a){return"Comment"!==a.type});return 1===b.length?b[0]:new d(b)}return a})),this.func.apply(this,a)},b.exports=e},{"../tree/expression":64}],27:[function(a,b,c){function d(a){return{_data:{},add:function(a,b){a=a.toLowerCase(),this._data.hasOwnProperty(a),this._data[a]=b},addMultiple:function(a){Object.keys(a).forEach(function(b){this.add(b,a[b])}.bind(this))},get:function(b){return this._data[b]||a&&a.get(b)},getLocalFunctions:function(){return this._data},inherit:function(){return d(this)},create:function(a){return d(a)}}}b.exports=d(null)},{}],28:[function(a,b,c){b.exports=function(b){var c={functionRegistry:a("./function-registry"),functionCaller:a("./function-caller")};return a("./boolean"),a("./default"),a("./color"),a("./color-blending"),a("./data-uri")(b),a("./list"),a("./math"),a("./number"),a("./string"),a("./svg")(b),a("./types"),c}},{"./boolean":21,"./color":23,"./color-blending":22,"./data-uri":24,"./default":25,"./function-caller":26,"./function-registry":27,"./list":29,"./math":31,"./number":32,"./string":33,"./svg":34,"./types":35}],29:[function(a,b,c){var d=a("../tree/comment"),e=a("../tree/dimension"),f=a("../tree/declaration"),g=a("../tree/expression"),h=a("../tree/ruleset"),i=a("../tree/selector"),j=a("../tree/element"),k=a("./function-registry"),l=function(a){var b=Array.isArray(a.value)?a.value:Array(a);return b};k.addMultiple({_SELF:function(a){return a},extract:function(a,b){return b=b.value-1,l(a)[b]},length:function(a){return new e(l(a).length)},range:function(a,b,c){var d,f,h=1,i=[];b?(f=b,d=a.value,c&&(h=c.value)):(d=1,f=a);for(var j=d;j<=f.value;j+=h)i.push(new e(j,f.unit));return new g(i)},each:function(a,b){var c,g,k=[];g=a.value?Array.isArray(a.value)?a.value:[a.value]:a.ruleset?a.ruleset.rules:a.rules?a.rules:Array.isArray(a)?a:[a];var l="@value",m="@key",n="@index";b.params?(l=b.params[0]&&b.params[0].name,m=b.params[1]&&b.params[1].name,n=b.params[2]&&b.params[2].name,b=b.rules):b=b.ruleset;for(var o=0;o<g.length;o++){var p,q,r=g[o];r instanceof f?(p="string"==typeof r.name?r.name:r.name[0].value,q=r.value):(p=new e(o+1),q=r),r instanceof d||(c=b.rules.slice(0),l&&c.push(new f(l,q,(!1),(!1),this.index,this.currentFileInfo)),n&&c.push(new f(n,new e(o+1),(!1),(!1),this.index,this.currentFileInfo)),m&&c.push(new f(m,p,(!1),(!1),this.index,this.currentFileInfo)),k.push(new h([new i([new j("","&")])],c,b.strictImports,b.visibilityInfo())))}return new h([new i([new j("","&")])],k,b.strictImports,b.visibilityInfo()).eval(this.context)}})},{"../tree/comment":57,"../tree/declaration":60,"../tree/dimension":62,"../tree/element":63,"../tree/expression":64,"../tree/ruleset":81,"../tree/selector":82,"./function-registry":27}],30:[function(a,b,c){var d=a("../tree/dimension"),e=function(){};e._math=function(a,b,c){if(!(c instanceof d))throw{type:"Argument",message:"argument must be a number"};return null==b?b=c.unit:c=c.unify(),new d(a(parseFloat(c.value)),b)},b.exports=e},{"../tree/dimension":62}],31:[function(a,b,c){var d=a("./function-registry"),e=a("./math-helper.js"),f={ceil:null,floor:null,sqrt:null,abs:null,tan:"",sin:"",cos:"",atan:"rad",asin:"rad",acos:"rad"};for(var g in f)f.hasOwnProperty(g)&&(f[g]=e._math.bind(null,Math[g],f[g]));f.round=function(a,b){var c="undefined"==typeof b?0:b.value;return e._math(function(a){return a.toFixed(c)},null,a)},d.addMultiple(f)},{"./function-registry":27,"./math-helper.js":30}],32:[function(a,b,c){var d=a("../tree/dimension"),e=a("../tree/anonymous"),f=a("./function-registry"),g=a("./math-helper.js"),h=function(a,b){switch(b=Array.prototype.slice.call(b),b.length){case 0:throw{type:"Argument",message:"one or more arguments required"}}var c,f,g,h,i,j,k,l,m=[],n={};for(c=0;c<b.length;c++)if(g=b[c],g instanceof d)if(h=""===g.unit.toString()&&void 0!==l?new d(g.value,l).unify():g.unify(),j=""===h.unit.toString()&&void 0!==k?k:h.unit.toString(),k=""!==j&&void 0===k||""!==j&&""===m[0].unify().unit.toString()?j:k,l=""!==j&&void 0===l?g.unit.toString():l,f=void 0!==n[""]&&""!==j&&j===k?n[""]:n[j],void 0!==f)i=""===m[f].unit.toString(
a="@{"+a.name.slice(1)+"}"),m(")"),new e.Quoted("","alpha(opacity="+a+")")},element:function(){var a,b,d,f=q.i;if(b=this.combinator(),a=q.$re(/^(?:\d+\.\d+|\d+)%/)||q.$re(/^(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/)||q.$char("*")||q.$char("&")||this.attribute()||q.$re(/^\([^&()@]+\)/)||q.$re(/^[\.#:](?=@)/)||this.entities.variableCurly(),a||(q.save(),q.$char("(")?(d=this.selector(!1))&&q.$char(")")?(a=new e.Paren(d),q.forget()):q.restore("Missing closing ')'"):q.forget()),a)return new e.Element(b,a,a instanceof e.Variable,f,c)},combinator:function(){var a=q.currentChar();if("/"===a){q.save();var b=q.$re(/^\/[a-z]+\//i);if(b)return q.forget(),new e.Combinator(b);q.restore()}if(">"===a||"+"===a||"~"===a||"|"===a||"^"===a){for(q.i++,"^"===a&&"^"===q.currentChar()&&(a="^^",q.i++);q.isWhitespace();)q.i++;return new e.Combinator(a)}return new e.Combinator(q.isWhitespace(-1)?" ":null)},selector:function(a){var b,d,f,g,h,i,k,m=q.i;for(a=a!==!1;(a&&(d=this.extend())||a&&(i=q.$str("when"))||(g=this.element()))&&(i?k=l(this.conditions,"expected condition"):k?j("CSS guard can only be used at the end of selector"):d?h=h?h.concat(d):d:(h&&j("Extend can only be used at the end of selector"),f=q.currentChar(),b?b.push(g):b=[g],g=null),"{"!==f&&"}"!==f&&";"!==f&&","!==f&&")"!==f););return b?new e.Selector(b,h,k,m,c):void(h&&j("Extend must be used to extend a selector, it cannot be used on its own"))},selectors:function(){for(var a,b;;){if(a=this.selector(),!a)break;if(b?b.push(a):b=[a],q.commentStore.length=0,a.condition&&b.length>1&&j("Guards are only currently allowed on a single selector."),!q.$char(","))break;a.condition&&j("Guards are only currently allowed on a single selector."),q.commentStore.length=0}return b},attribute:function(){if(q.$char("[")){var a,b,c,d=this.entities;return(a=d.variableCurly())||(a=l(/^(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\.)+/)),c=q.$re(/^[|~*$^]?=/),c&&(b=d.quoted()||q.$re(/^[0-9]+%/)||q.$re(/^[\w-]+/)||d.variableCurly()),m("]"),new e.Attribute(a,c,b)}},block:function(){var a;if(q.$char("{")&&(a=this.primary())&&q.$char("}"))return a},blockRuleset:function(){var a=this.block();return a&&(a=new e.Ruleset(null,a)),a},detachedRuleset:function(){var a,b,c;if(q.save(),q.$re(/^[.#]\(/)&&(a=this.mixin.args(!1),b=a.args,c=a.variadic,!q.$char(")")))return void q.restore();var d=this.blockRuleset();return d?(q.forget(),b?new e.mixin.Definition(null,b,d,null,c):new e.DetachedRuleset(d)):void q.restore()},ruleset:function(){var b,c,d;if(q.save(),a.dumpLineNumbers&&(d=n(q.i)),b=this.selectors(),b&&(c=this.block())){q.forget();var f=new e.Ruleset(b,c,a.strictImports);return a.dumpLineNumbers&&(f.debugInfo=d),f}q.restore()},declaration:function(){var a,b,d,f,g,h,i=q.i,j=q.currentChar();if("."!==j&&"#"!==j&&"&"!==j&&":"!==j)if(q.save(),a=this.variable()||this.ruleProperty()){if(h="string"==typeof a,h&&(b=this.detachedRuleset(),b&&(d=!0)),q.commentStore.length=0,!b){if(g=!h&&a.length>1&&a.pop().value,b=a[0].value&&"--"===a[0].value.slice(0,2)?this.permissiveValue():this.anonymousValue())return q.forget(),new e.Declaration(a,b,(!1),g,i,c);b||(b=this.value()),b?f=this.important():h&&(b=this.permissiveValue())}if(b&&(this.end()||d))return q.forget(),new e.Declaration(a,b,f,g,i,c);q.restore()}else q.restore()},anonymousValue:function(){var a=q.i,b=q.$re(/^([^.#@\$+\/'"*`(;{}-]*);/);if(b)return new e.Anonymous(b[1],a)},permissiveValue:function(a){function b(){var a=q.currentChar();return"string"==typeof i?a===i:i.test(a)}var d,f,g,h,i=a||";",k=q.i,l=[];if(!b()){h=[];do f=this.comment(),f?h.push(f):(f=this.entity(),f&&h.push(f));while(f);if(g=b(),h.length>0){if(h=new e.Expression(h),g)return h;l.push(h)," "===q.prevChar()&&l.push(new e.Anonymous(" ",k))}if(q.save(),h=q.$parseUntil(i)){if("string"==typeof h&&j("Expected '"+h+"'","Parse"),1===h.length&&" "===h[0])return q.forget(),new e.Anonymous("",k);var m;for(d=0;d<h.length;d++)if(m=h[d],Array.isArray(m))l.push(new e.Quoted(m[0],m[1],(!0),k,c));else{d===h.length-1&&(m=m.trim());var n=new e.Quoted("'",m,(!0),k,c);n.variableRegex=/@([\w-]+)
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