source-map - npm Package Compare versions

Comparing version 0.5.7 to 0.6.0

dist/source-map.min.js

@@ -1,2 +0,2 @@
-!function(e,n){"object"==typeof exports&&"object"==typeof module?module.exports=n():"function"==typeof define&&define.amd?define([],n):"object"==typeof exports?exports.sourceMap=n():e.sourceMap=n()}(this,function(){return function(e){function n(t){if(r[t])return r[t].exports;var o=r[t]={exports:{},id:t,loaded:!1};return e[t].call(o.exports,o,o.exports,n),o.loaded=!0,o.exports}var r={};return n.m=e,n.c=r,n.p="",n(0)}([function(e,n,r){n.SourceMapGenerator=r(1).SourceMapGenerator,n.SourceMapConsumer=r(7).SourceMapConsumer,n.SourceNode=r(10).SourceNode},function(e,n,r){function t(e){e||(e={}),this._file=i.getArg(e,"file",null),this._sourceRoot=i.getArg(e,"sourceRoot",null),this._skipValidation=i.getArg(e,"skipValidation",!1),this._sources=new s,this._names=new s,this._mappings=new a,this._sourcesContents=null}var o=r(2),i=r(4),s=r(5).ArraySet,a=r(6).MappingList;t.prototype._version=3,t.fromSourceMap=function(e){var n=e.sourceRoot,r=new t({file:e.file,sourceRoot:n});return e.eachMapping(function(e){var t={generated:{line:e.generatedLine,column:e.generatedColumn}};null!=e.source&&(t.source=e.source,null!=n&&(t.source=i.relative(n,t.source)),t.original={line:e.originalLine,column:e.originalColumn},null!=e.name&&(t.name=e.name)),r.addMapping(t)}),e.sources.forEach(function(n){var t=e.sourceContentFor(n);null!=t&&r.setSourceContent(n,t)}),r},t.prototype.addMapping=function(e){var n=i.getArg(e,"generated"),r=i.getArg(e,"original",null),t=i.getArg(e,"source",null),o=i.getArg(e,"name",null);this._skipValidation||this._validateMapping(n,r,t,o),null!=t&&(t=String(t),this._sources.has(t)||this._sources.add(t)),null!=o&&(o=String(o),this._names.has(o)||this._names.add(o)),this._mappings.add({generatedLine:n.line,generatedColumn:n.column,originalLine:null!=r&&r.line,originalColumn:null!=r&&r.column,source:t,name:o})},t.prototype.setSourceContent=function(e,n){var r=e;null!=this._sourceRoot&&(r=i.relative(this._sourceRoot,r)),null!=n?(this._sourcesContents||(this._sourcesContents=Object.create(null)),this._sourcesContents[i.toSetString(r)]=n):this._sourcesContents&&(delete this._sourcesContents[i.toSetString(r)],0===Object.keys(this._sourcesContents).length&&(this._sourcesContents=null))},t.prototype.applySourceMap=function(e,n,r){var t=n;if(null==n){if(null==e.file)throw new Error('SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, or the source map\'s "file" property. Both were omitted.');t=e.file}var o=this._sourceRoot;null!=o&&(t=i.relative(o,t));var a=new s,u=new s;this._mappings.unsortedForEach(function(n){if(n.source===t&&null!=n.originalLine){var s=e.originalPositionFor({line:n.originalLine,column:n.originalColumn});null!=s.source&&(n.source=s.source,null!=r&&(n.source=i.join(r,n.source)),null!=o&&(n.source=i.relative(o,n.source)),n.originalLine=s.line,n.originalColumn=s.column,null!=s.name&&(n.name=s.name))}var l=n.source;null==l||a.has(l)||a.add(l);var c=n.name;null==c||u.has(c)||u.add(c)},this),this._sources=a,this._names=u,e.sources.forEach(function(n){var t=e.sourceContentFor(n);null!=t&&(null!=r&&(n=i.join(r,n)),null!=o&&(n=i.relative(o,n)),this.setSourceContent(n,t))},this)},t.prototype._validateMapping=function(e,n,r,t){if(n&&"number"!=typeof n.line&&"number"!=typeof n.column)throw new Error("original.line and original.column are not numbers -- you probably meant to omit the original mapping entirely and only map the generated position. If so, pass null for the original mapping instead of an object with empty or null values.");if((!(e&&"line"in e&&"column"in e&&e.line>0&&e.column>=0)||n||r||t)&&!(e&&"line"in e&&"column"in e&&n&&"line"in n&&"column"in n&&e.line>0&&e.column>=0&&n.line>0&&n.column>=0&&r))throw new Error("Invalid mapping: "+JSON.stringify({generated:e,source:r,original:n,name:t}))},t.prototype._serializeMappings=function(){for(var e,n,r,t,s=0,a=1,u=0,l=0,c=0,g=0,p="",h=this._mappings.toArray(),f=0,d=h.length;f<d;f++){if(n=h[f],e="",n.generatedLine!==a)for(s=0;n.generatedLine!==a;)e+=";",a++;else if(f>0){if(!i.compareByGeneratedPositionsInflated(n,h[f-1]))continue;e+=","}e+=o.encode(n.generatedColumn-s),s=n.generatedColumn,null!=n.source&&(t=this._sources.indexOf(n.source),e+=o.encode(t-g),g=t,e+=o.encode(n.originalLine-1-l),l=n.originalLine-1,e+=o.encode(n.originalColumn-u),u=n.originalColumn,null!=n.name&&(r=this._names.indexOf(n.name),e+=o.encode(r-c),c=r)),p+=e}return p},t.prototype._generateSourcesContent=function(e,n){return e.map(function(e){if(!this._sourcesContents)return null;null!=n&&(e=i.relative(n,e));var r=i.toSetString(e);return Object.prototype.hasOwnProperty.call(this._sourcesContents,r)?this._sourcesContents[r]:null},this)},t.prototype.toJSON=function(){var e={version:this._version,sources:this._sources.toArray(),names:this._names.toArray(),mappings:this._serializeMappings()};return null!=this._file&&(e.file=this._file),null!=this._sourceRoot&&(e.sourceRoot=this._sourceRoot),this._sourcesContents&&(e.sourcesContent=this._generateSourcesContent(e.sources,e.sourceRoot)),e},t.prototype.toString=function(){return JSON.stringify(this.toJSON())},n.SourceMapGenerator=t},function(e,n,r){function t(e){return e<0?(-e<<1)+1:(e<<1)+0}function o(e){var n=1===(1&e),r=e>>1;return n?-r:r}var i=r(3),s=5,a=1<<s,u=a-1,l=a;n.encode=function(e){var n,r="",o=t(e);do n=o&u,o>>>=s,o>0&&(n|=l),r+=i.encode(n);while(o>0);return r},n.decode=function(e,n,r){var t,a,c=e.length,g=0,p=0;do{if(n>=c)throw new Error("Expected more digits in base 64 VLQ value.");if(a=i.decode(e.charCodeAt(n++)),a===-1)throw new Error("Invalid base64 digit: "+e.charAt(n-1));t=!!(a&l),a&=u,g+=a<<p,p+=s}while(t);r.value=o(g),r.rest=n}},function(e,n){var r="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");n.encode=function(e){if(0<=e&&e<r.length)return r[e];throw new TypeError("Must be between 0 and 63: "+e)},n.decode=function(e){var n=65,r=90,t=97,o=122,i=48,s=57,a=43,u=47,l=26,c=52;return n<=e&&e<=r?e-n:t<=e&&e<=o?e-t+l:i<=e&&e<=s?e-i+c:e==a?62:e==u?63:-1}},function(e,n){function r(e,n,r){if(n in e)return e[n];if(3===arguments.length)return r;throw new Error('"'+n+'" is a required argument.')}function t(e){var n=e.match(m);return n?{scheme:n[1],auth:n[2],host:n[3],port:n[4],path:n[5]}:null}function o(e){var n="";return e.scheme&&(n+=e.scheme+":"),n+="//",e.auth&&(n+=e.auth+"@"),e.host&&(n+=e.host),e.port&&(n+=":"+e.port),e.path&&(n+=e.path),n}function i(e){var r=e,i=t(e);if(i){if(!i.path)return e;r=i.path}for(var s,a=n.isAbsolute(r),u=r.split(/\/+/),l=0,c=u.length-1;c>=0;c--)s=u[c],"."===s?u.splice(c,1):".."===s?l++:l>0&&(""===s?(u.splice(c+1,l),l=0):(u.splice(c,2),l--));return r=u.join("/"),""===r&&(r=a?"/":"."),i?(i.path=r,o(i)):r}function s(e,n){""===e&&(e="."),""===n&&(n=".");var r=t(n),s=t(e);if(s&&(e=s.path||"/"),r&&!r.scheme)return s&&(r.scheme=s.scheme),o(r);if(r||n.match(_))return n;if(s&&!s.host&&!s.path)return s.host=n,o(s);var a="/"===n.charAt(0)?n:i(e.replace(/\/+$/,"")+"/"+n);return s?(s.path=a,o(s)):a}function a(e,n){""===e&&(e="."),e=e.replace(/\/$/,"");for(var r=0;0!==n.indexOf(e+"/");){var t=e.lastIndexOf("/");if(t<0)return n;if(e=e.slice(0,t),e.match(/^([^\/]+:\/)?\/*$/))return n;++r}return Array(r+1).join("../")+n.substr(e.length+1)}function u(e){return e}function l(e){return g(e)?"$"+e:e}function c(e){return g(e)?e.slice(1):e}function g(e){if(!e)return!1;var n=e.length;if(n<9)return!1;if(95!==e.charCodeAt(n-1)||95!==e.charCodeAt(n-2)||111!==e.charCodeAt(n-3)||116!==e.charCodeAt(n-4)||111!==e.charCodeAt(n-5)||114!==e.charCodeAt(n-6)||112!==e.charCodeAt(n-7)||95!==e.charCodeAt(n-8)||95!==e.charCodeAt(n-9))return!1;for(var r=n-10;r>=0;r--)if(36!==e.charCodeAt(r))return!1;return!0}function p(e,n,r){var t=e.source-n.source;return 0!==t?t:(t=e.originalLine-n.originalLine,0!==t?t:(t=e.originalColumn-n.originalColumn,0!==t||r?t:(t=e.generatedColumn-n.generatedColumn,0!==t?t:(t=e.generatedLine-n.generatedLine,0!==t?t:e.name-n.name))))}function h(e,n,r){var t=e.generatedLine-n.generatedLine;return 0!==t?t:(t=e.generatedColumn-n.generatedColumn,0!==t||r?t:(t=e.source-n.source,0!==t?t:(t=e.originalLine-n.originalLine,0!==t?t:(t=e.originalColumn-n.originalColumn,0!==t?t:e.name-n.name))))}function f(e,n){return e===n?0:e>n?1:-1}function d(e,n){var r=e.generatedLine-n.generatedLine;return 0!==r?r:(r=e.generatedColumn-n.generatedColumn,0!==r?r:(r=f(e.source,n.source),0!==r?r:(r=e.originalLine-n.originalLine,0!==r?r:(r=e.originalColumn-n.originalColumn,0!==r?r:f(e.name,n.name)))))}n.getArg=r;var m=/^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/,_=/^data:.+\,.+$/;n.urlParse=t,n.urlGenerate=o,n.normalize=i,n.join=s,n.isAbsolute=function(e){return"/"===e.charAt(0)||!!e.match(m)},n.relative=a;var v=function(){var e=Object.create(null);return!("__proto__"in e)}();n.toSetString=v?u:l,n.fromSetString=v?u:c,n.compareByOriginalPositions=p,n.compareByGeneratedPositionsDeflated=h,n.compareByGeneratedPositionsInflated=d},function(e,n,r){function t(){this._array=[],this._set=s?new Map:Object.create(null)}var o=r(4),i=Object.prototype.hasOwnProperty,s="undefined"!=typeof Map;t.fromArray=function(e,n){for(var r=new t,o=0,i=e.length;o<i;o++)r.add(e[o],n);return r},t.prototype.size=function(){return s?this._set.size:Object.getOwnPropertyNames(this._set).length},t.prototype.add=function(e,n){var r=s?e:o.toSetString(e),t=s?this.has(e):i.call(this._set,r),a=this._array.length;t&&!n||this._array.push(e),t||(s?this._set.set(e,a):this._set[r]=a)},t.prototype.has=function(e){if(s)return this._set.has(e);var n=o.toSetString(e);return i.call(this._set,n)},t.prototype.indexOf=function(e){if(s){var n=this._set.get(e);if(n>=0)return n}else{var r=o.toSetString(e);if(i.call(this._set,r))return this._set[r]}throw new Error('"'+e+'" is not in the set.')},t.prototype.at=function(e){if(e>=0&&e<this._array.length)return this._array[e];throw new Error("No element indexed by "+e)},t.prototype.toArray=function(){return this._array.slice()},n.ArraySet=t},function(e,n,r){function t(e,n){var r=e.generatedLine,t=n.generatedLine,o=e.generatedColumn,s=n.generatedColumn;return t>r||t==r&&s>=o||i.compareByGeneratedPositionsInflated(e,n)<=0}function o(){this._array=[],this._sorted=!0,this._last={generatedLine:-1,generatedColumn:0}}var i=r(4);o.prototype.unsortedForEach=function(e,n){this._array.forEach(e,n)},o.prototype.add=function(e){t(this._last,e)?(this._last=e,this._array.push(e)):(this._sorted=!1,this._array.push(e))},o.prototype.toArray=function(){return this._sorted||(this._array.sort(i.compareByGeneratedPositionsInflated),this._sorted=!0),this._array},n.MappingList=o},function(e,n,r){function t(e){var n=e;return"string"==typeof e&&(n=JSON.parse(e.replace(/^\)\]\}'/,""))),null!=n.sections?new s(n):new o(n)}function o(e){var n=e;"string"==typeof e&&(n=JSON.parse(e.replace(/^\)\]\}'/,"")));var r=a.getArg(n,"version"),t=a.getArg(n,"sources"),o=a.getArg(n,"names",[]),i=a.getArg(n,"sourceRoot",null),s=a.getArg(n,"sourcesContent",null),u=a.getArg(n,"mappings"),c=a.getArg(n,"file",null);if(r!=this._version)throw new Error("Unsupported version: "+r);t=t.map(String).map(a.normalize).map(function(e){return i&&a.isAbsolute(i)&&a.isAbsolute(e)?a.relative(i,e):e}),this._names=l.fromArray(o.map(String),!0),this._sources=l.fromArray(t,!0),this.sourceRoot=i,this.sourcesContent=s,this._mappings=u,this.file=c}function i(){this.generatedLine=0,this.generatedColumn=0,this.source=null,this.originalLine=null,this.originalColumn=null,this.name=null}function s(e){var n=e;"string"==typeof e&&(n=JSON.parse(e.replace(/^\)\]\}'/,"")));var r=a.getArg(n,"version"),o=a.getArg(n,"sections");if(r!=this._version)throw new Error("Unsupported version: "+r);this._sources=new l,this._names=new l;var i={line:-1,column:0};this._sections=o.map(function(e){if(e.url)throw new Error("Support for url field in sections not implemented.");var n=a.getArg(e,"offset"),r=a.getArg(n,"line"),o=a.getArg(n,"column");if(r<i.line||r===i.line&&o<i.column)throw new Error("Section offsets must be ordered and non-overlapping.");return i=n,{generatedOffset:{generatedLine:r+1,generatedColumn:o+1},consumer:new t(a.getArg(e,"map"))}})}var a=r(4),u=r(8),l=r(5).ArraySet,c=r(2),g=r(9).quickSort;t.fromSourceMap=function(e){return o.fromSourceMap(e)},t.prototype._version=3,t.prototype.__generatedMappings=null,Object.defineProperty(t.prototype,"_generatedMappings",{get:function(){return this.__generatedMappings||this._parseMappings(this._mappings,this.sourceRoot),this.__generatedMappings}}),t.prototype.__originalMappings=null,Object.defineProperty(t.prototype,"_originalMappings",{get:function(){return this.__originalMappings||this._parseMappings(this._mappings,this.sourceRoot),this.__originalMappings}}),t.prototype._charIsMappingSeparator=function(e,n){var r=e.charAt(n);return";"===r||","===r},t.prototype._parseMappings=function(e,n){throw new Error("Subclasses must implement _parseMappings")},t.GENERATED_ORDER=1,t.ORIGINAL_ORDER=2,t.GREATEST_LOWER_BOUND=1,t.LEAST_UPPER_BOUND=2,t.prototype.eachMapping=function(e,n,r){var o,i=n||null,s=r||t.GENERATED_ORDER;switch(s){case t.GENERATED_ORDER:o=this._generatedMappings;break;case t.ORIGINAL_ORDER:o=this._originalMappings;break;default:throw new Error("Unknown order of iteration.")}var u=this.sourceRoot;o.map(function(e){var n=null===e.source?null:this._sources.at(e.source);return null!=n&&null!=u&&(n=a.join(u,n)),{source:n,generatedLine:e.generatedLine,generatedColumn:e.generatedColumn,originalLine:e.originalLine,originalColumn:e.originalColumn,name:null===e.name?null:this._names.at(e.name)}},this).forEach(e,i)},t.prototype.allGeneratedPositionsFor=function(e){var n=a.getArg(e,"line"),r={source:a.getArg(e,"source"),originalLine:n,originalColumn:a.getArg(e,"column",0)};if(null!=this.sourceRoot&&(r.source=a.relative(this.sourceRoot,r.source)),!this._sources.has(r.source))return[];r.source=this._sources.indexOf(r.source);var t=[],o=this._findMapping(r,this._originalMappings,"originalLine","originalColumn",a.compareByOriginalPositions,u.LEAST_UPPER_BOUND);if(o>=0){var i=this._originalMappings[o];if(void 0===e.column)for(var s=i.originalLine;i&&i.originalLine===s;)t.push({line:a.getArg(i,"generatedLine",null),column:a.getArg(i,"generatedColumn",null),lastColumn:a.getArg(i,"lastGeneratedColumn",null)}),i=this._originalMappings[++o];else for(var l=i.originalColumn;i&&i.originalLine===n&&i.originalColumn==l;)t.push({line:a.getArg(i,"generatedLine",null),column:a.getArg(i,"generatedColumn",null),lastColumn:a.getArg(i,"lastGeneratedColumn",null)}),i=this._originalMappings[++o]}return t},n.SourceMapConsumer=t,o.prototype=Object.create(t.prototype),o.prototype.consumer=t,o.fromSourceMap=function(e){var n=Object.create(o.prototype),r=n._names=l.fromArray(e._names.toArray(),!0),t=n._sources=l.fromArray(e._sources.toArray(),!0);n.sourceRoot=e._sourceRoot,n.sourcesContent=e._generateSourcesContent(n._sources.toArray(),n.sourceRoot),n.file=e._file;for(var s=e._mappings.toArray().slice(),u=n.__generatedMappings=[],c=n.__originalMappings=[],p=0,h=s.length;p<h;p++){var f=s[p],d=new i;d.generatedLine=f.generatedLine,d.generatedColumn=f.generatedColumn,f.source&&(d.source=t.indexOf(f.source),d.originalLine=f.originalLine,d.originalColumn=f.originalColumn,f.name&&(d.name=r.indexOf(f.name)),c.push(d)),u.push(d)}return g(n.__originalMappings,a.compareByOriginalPositions),n},o.prototype._version=3,Object.defineProperty(o.prototype,"sources",{get:function(){return this._sources.toArray().map(function(e){return null!=this.sourceRoot?a.join(this.sourceRoot,e):e},this)}}),o.prototype._parseMappings=function(e,n){for(var r,t,o,s,u,l=1,p=0,h=0,f=0,d=0,m=0,_=e.length,v=0,y={},C={},A=[],S=[];v<_;)if(";"===e.charAt(v))l++,v++,p=0;else if(","===e.charAt(v))v++;else{for(r=new i,r.generatedLine=l,s=v;s<_&&!this._charIsMappingSeparator(e,s);s++);if(t=e.slice(v,s),o=y[t])v+=t.length;else{for(o=[];v<s;)c.decode(e,v,C),u=C.value,v=C.rest,o.push(u);if(2===o.length)throw new Error("Found a source, but no line and column");if(3===o.length)throw new Error("Found a source and line, but no column");y[t]=o}r.generatedColumn=p+o[0],p=r.generatedColumn,o.length>1&&(r.source=d+o[1],d+=o[1],r.originalLine=h+o[2],h=r.originalLine,r.originalLine+=1,r.originalColumn=f+o[3],f=r.originalColumn,o.length>4&&(r.name=m+o[4],m+=o[4])),S.push(r),"number"==typeof r.originalLine&&A.push(r)}g(S,a.compareByGeneratedPositionsDeflated),this.__generatedMappings=S,g(A,a.compareByOriginalPositions),this.__originalMappings=A},o.prototype._findMapping=function(e,n,r,t,o,i){if(e[r]<=0)throw new TypeError("Line must be greater than or equal to 1, got "+e[r]);if(e[t]<0)throw new TypeError("Column must be greater than or equal to 0, got "+e[t]);return u.search(e,n,o,i)},o.prototype.computeColumnSpans=function(){for(var e=0;e<this._generatedMappings.length;++e){var n=this._generatedMappings[e];if(e+1<this._generatedMappings.length){var r=this._generatedMappings[e+1];if(n.generatedLine===r.generatedLine){n.lastGeneratedColumn=r.generatedColumn-1;continue}}n.lastGeneratedColumn=1/0}},o.prototype.originalPositionFor=function(e){var n={generatedLine:a.getArg(e,"line"),generatedColumn:a.getArg(e,"column")},r=this._findMapping(n,this._generatedMappings,"generatedLine","generatedColumn",a.compareByGeneratedPositionsDeflated,a.getArg(e,"bias",t.GREATEST_LOWER_BOUND));if(r>=0){var o=this._generatedMappings[r];if(o.generatedLine===n.generatedLine){var i=a.getArg(o,"source",null);null!==i&&(i=this._sources.at(i),null!=this.sourceRoot&&(i=a.join(this.sourceRoot,i)));var s=a.getArg(o,"name",null);return null!==s&&(s=this._names.at(s)),{source:i,line:a.getArg(o,"originalLine",null),column:a.getArg(o,"originalColumn",null),name:s}}}return{source:null,line:null,column:null,name:null}},o.prototype.hasContentsOfAllSources=function(){return!!this.sourcesContent&&(this.sourcesContent.length>=this._sources.size()&&!this.sourcesContent.some(function(e){return null==e}))},o.prototype.sourceContentFor=function(e,n){if(!this.sourcesContent)return null;if(null!=this.sourceRoot&&(e=a.relative(this.sourceRoot,e)),this._sources.has(e))return this.sourcesContent[this._sources.indexOf(e)];var r;if(null!=this.sourceRoot&&(r=a.urlParse(this.sourceRoot))){var t=e.replace(/^file:\/\//,"");if("file"==r.scheme&&this._sources.has(t))return this.sourcesContent[this._sources.indexOf(t)];if((!r.path||"/"==r.path)&&this._sources.has("/"+e))return this.sourcesContent[this._sources.indexOf("/"+e)]}if(n)return null;throw new Error('"'+e+'" is not in the SourceMap.')},o.prototype.generatedPositionFor=function(e){var n=a.getArg(e,"source");if(null!=this.sourceRoot&&(n=a.relative(this.sourceRoot,n)),!this._sources.has(n))return{line:null,column:null,lastColumn:null};n=this._sources.indexOf(n);var r={source:n,originalLine:a.getArg(e,"line"),originalColumn:a.getArg(e,"column")},o=this._findMapping(r,this._originalMappings,"originalLine","originalColumn",a.compareByOriginalPositions,a.getArg(e,"bias",t.GREATEST_LOWER_BOUND));if(o>=0){var i=this._originalMappings[o];if(i.source===r.source)return{line:a.getArg(i,"generatedLine",null),column:a.getArg(i,"generatedColumn",null),lastColumn:a.getArg(i,"lastGeneratedColumn",null)}}return{line:null,column:null,lastColumn:null}},n.BasicSourceMapConsumer=o,s.prototype=Object.create(t.prototype),s.prototype.constructor=t,s.prototype._version=3,Object.defineProperty(s.prototype,"sources",{get:function(){for(var e=[],n=0;n<this._sections.length;n++)for(var r=0;r<this._sections[n].consumer.sources.length;r++)e.push(this._sections[n].consumer.sources[r]);return e}}),s.prototype.originalPositionFor=function(e){var n={generatedLine:a.getArg(e,"line"),generatedColumn:a.getArg(e,"column")},r=u.search(n,this._sections,function(e,n){var r=e.generatedLine-n.generatedOffset.generatedLine;return r?r:e.generatedColumn-n.generatedOffset.generatedColumn}),t=this._sections[r];return t?t.consumer.originalPositionFor({line:n.generatedLine-(t.generatedOffset.generatedLine-1),column:n.generatedColumn-(t.generatedOffset.generatedLine===n.generatedLine?t.generatedOffset.generatedColumn-1:0),bias:e.bias}):{source:null,line:null,column:null,name:null}},s.prototype.hasContentsOfAllSources=function(){return this._sections.every(function(e){return e.consumer.hasContentsOfAllSources()})},s.prototype.sourceContentFor=function(e,n){for(var r=0;r<this._sections.length;r++){var t=this._sections[r],o=t.consumer.sourceContentFor(e,!0);if(o)return o}if(n)return null;throw new Error('"'+e+'" is not in the SourceMap.')},s.prototype.generatedPositionFor=function(e){for(var n=0;n<this._sections.length;n++){var r=this._sections[n];if(r.consumer.sources.indexOf(a.getArg(e,"source"))!==-1){var t=r.consumer.generatedPositionFor(e);if(t){var o={line:t.line+(r.generatedOffset.generatedLine-1),column:t.column+(r.generatedOffset.generatedLine===t.line?r.generatedOffset.generatedColumn-1:0)};return o}}}return{line:null,column:null}},s.prototype._parseMappings=function(e,n){this.__generatedMappings=[],this.__originalMappings=[];for(var r=0;r<this._sections.length;r++)for(var t=this._sections[r],o=t.consumer._generatedMappings,i=0;i<o.length;i++){var s=o[i],u=t.consumer._sources.at(s.source);null!==t.consumer.sourceRoot&&(u=a.join(t.consumer.sourceRoot,u)),this._sources.add(u),u=this._sources.indexOf(u);var l=t.consumer._names.at(s.name);this._names.add(l),l=this._names.indexOf(l);var c={source:u,generatedLine:s.generatedLine+(t.generatedOffset.generatedLine-1),generatedColumn:s.generatedColumn+(t.generatedOffset.generatedLine===s.generatedLine?t.generatedOffset.generatedColumn-1:0),originalLine:s.originalLine,originalColumn:s.originalColumn,name:l};this.__generatedMappings.push(c),"number"==typeof c.originalLine&&this.__originalMappings.push(c)}g(this.__generatedMappings,a.compareByGeneratedPositionsDeflated),g(this.__originalMappings,a.compareByOriginalPositions)},n.IndexedSourceMapConsumer=s},function(e,n){function r(e,t,o,i,s,a){var u=Math.floor((t-e)/2)+e,l=s(o,i[u],!0);return 0===l?u:l>0?t-u>1?r(u,t,o,i,s,a):a==n.LEAST_UPPER_BOUND?t<i.length?t:-1:u:u-e>1?r(e,u,o,i,s,a):a==n.LEAST_UPPER_BOUND?u:e<0?-1:e}n.GREATEST_LOWER_BOUND=1,n.LEAST_UPPER_BOUND=2,n.search=function(e,t,o,i){if(0===t.length)return-1;var s=r(-1,t.length,e,t,o,i||n.GREATEST_LOWER_BOUND);if(s<0)return-1;for(;s-1>=0&&0===o(t[s],t[s-1],!0);)--s;return s}},function(e,n){function r(e,n,r){var t=e[n];e[n]=e[r],e[r]=t}function t(e,n){return Math.round(e+Math.random()*(n-e))}function o(e,n,i,s){if(i<s){var a=t(i,s),u=i-1;r(e,a,s);for(var l=e[s],c=i;c<s;c++)n(e[c],l)<=0&&(u+=1,r(e,u,c));r(e,u+1,c);var g=u+1;o(e,n,i,g-1),o(e,n,g+1,s)}}n.quickSort=function(e,n){o(e,n,0,e.length-1)}},function(e,n,r){function t(e,n,r,t,o){this.children=[],this.sourceContents={},this.line=null==e?null:e,this.column=null==n?null:n,this.source=null==r?null:r,this.name=null==o?null:o,this[u]=!0,null!=t&&this.add(t)}var o=r(1).SourceMapGenerator,i=r(4),s=/(\r?\n)/,a=10,u="$$$isSourceNode$$$";t.fromStringWithSourceMap=function(e,n,r){function o(e,n){if(null===e||void 0===e.source)a.add(n);else{var o=r?i.join(r,e.source):e.source;a.add(new t(e.originalLine,e.originalColumn,o,n,e.name))}}var a=new t,u=e.split(s),l=0,c=function(){function e(){return l<u.length?u[l++]:void 0}var n=e(),r=e()||"";return n+r},g=1,p=0,h=null;return n.eachMapping(function(e){if(null!==h){if(!(g<e.generatedLine)){var n=u[l],r=n.substr(0,e.generatedColumn-p);return u[l]=n.substr(e.generatedColumn-p),p=e.generatedColumn,o(h,r),void(h=e)}o(h,c()),g++,p=0}for(;g<e.generatedLine;)a.add(c()),g++;if(p<e.generatedColumn){var n=u[l];a.add(n.substr(0,e.generatedColumn)),u[l]=n.substr(e.generatedColumn),p=e.generatedColumn}h=e},this),l<u.length&&(h&&o(h,c()),a.add(u.splice(l).join(""))),n.sources.forEach(function(e){var t=n.sourceContentFor(e);null!=t&&(null!=r&&(e=i.join(r,e)),a.setSourceContent(e,t))}),a},t.prototype.add=function(e){if(Array.isArray(e))e.forEach(function(e){this.add(e)},this);else{if(!e[u]&&"string"!=typeof e)throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e);e&&this.children.push(e)}return this},t.prototype.prepend=function(e){if(Array.isArray(e))for(var n=e.length-1;n>=0;n--)this.prepend(e[n]);else{if(!e[u]&&"string"!=typeof e)throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e);this.children.unshift(e)}return this},t.prototype.walk=function(e){for(var n,r=0,t=this.children.length;r<t;r++)n=this.children[r],n[u]?n.walk(e):""!==n&&e(n,{source:this.source,line:this.line,column:this.column,name:this.name})},t.prototype.join=function(e){var n,r,t=this.children.length;if(t>0){for(n=[],r=0;r<t-1;r++)n.push(this.children[r]),n.push(e);n.push(this.children[r]),this.children=n}return this},t.prototype.replaceRight=function(e,n){var r=this.children[this.children.length-1];return r[u]?r.replaceRight(e,n):"string"==typeof r?this.children[this.children.length-1]=r.replace(e,n):this.children.push("".replace(e,n)),this},t.prototype.setSourceContent=function(e,n){this.sourceContents[i.toSetString(e)]=n},t.prototype.walkSourceContents=function(e){for(var n=0,r=this.children.length;n<r;n++)this.children[n][u]&&this.children[n].walkSourceContents(e);for(var t=Object.keys(this.sourceContents),n=0,r=t.length;n<r;n++)e(i.fromSetString(t[n]),this.sourceContents[t[n]])},t.prototype.toString=function(){var e="";return this.walk(function(n){e+=n}),e},t.prototype.toStringWithSourceMap=function(e){var n={code:"",line:1,column:0},r=new o(e),t=!1,i=null,s=null,u=null,l=null;return this.walk(function(e,o){n.code+=e,null!==o.source&&null!==o.line&&null!==o.column?(i===o.source&&s===o.line&&u===o.column&&l===o.name||r.addMapping({source:o.source,original:{line:o.line,column:o.column},generated:{line:n.line,column:n.column},name:o.name}),i=o.source,s=o.line,u=o.column,l=o.name,t=!0):t&&(r.addMapping({generated:{line:n.line,column:n.column}}),i=null,t=!1);for(var c=0,g=e.length;c<g;c++)e.charCodeAt(c)===a?(n.line++,n.column=0,c+1===g?(i=null,t=!1):t&&r.addMapping({source:o.source,original:{line:o.line,column:o.column},generated:{line:n.line,column:n.column},name:o.name})):n.column++}),this.walkSourceContents(function(e,n){r.setSourceContent(e,n)}),{code:n.code,map:r}},n.SourceNode=t}])});
+!function(e,n){"object"==typeof exports&&"object"==typeof module?module.exports=n():"function"==typeof define&&define.amd?define([],n):"object"==typeof exports?exports.sourceMap=n():e.sourceMap=n()}(this,function(){return function(e){function n(t){if(r[t])return r[t].exports;var o=r[t]={exports:{},id:t,loaded:!1};return e[t].call(o.exports,o,o.exports,n),o.loaded=!0,o.exports}var r={};return n.m=e,n.c=r,n.p="",n(0)}([function(e,n,r){n.SourceMapGenerator=r(1).SourceMapGenerator,n.SourceMapConsumer=r(7).SourceMapConsumer,n.SourceNode=r(10).SourceNode},function(e,n,r){function t(e){e||(e={}),this._file=i.getArg(e,"file",null),this._sourceRoot=i.getArg(e,"sourceRoot",null),this._skipValidation=i.getArg(e,"skipValidation",!1),this._sources=new s,this._names=new s,this._mappings=new a,this._sourcesContents=null}var o=r(2),i=r(4),s=r(5).ArraySet,a=r(6).MappingList;t.prototype._version=3,t.fromSourceMap=function(e){var n=e.sourceRoot,r=new t({file:e.file,sourceRoot:n});return e.eachMapping(function(e){var t={generated:{line:e.generatedLine,column:e.generatedColumn}};null!=e.source&&(t.source=e.source,null!=n&&(t.source=i.relative(n,t.source)),t.original={line:e.originalLine,column:e.originalColumn},null!=e.name&&(t.name=e.name)),r.addMapping(t)}),e.sources.forEach(function(t){var o=t;null!==n&&(o=i.relative(n,t)),r._sources.has(o)||r._sources.add(o);var s=e.sourceContentFor(t);null!=s&&r.setSourceContent(t,s)}),r},t.prototype.addMapping=function(e){var n=i.getArg(e,"generated"),r=i.getArg(e,"original",null),t=i.getArg(e,"source",null),o=i.getArg(e,"name",null);this._skipValidation||this._validateMapping(n,r,t,o),null!=t&&(t=String(t),this._sources.has(t)||this._sources.add(t)),null!=o&&(o=String(o),this._names.has(o)||this._names.add(o)),this._mappings.add({generatedLine:n.line,generatedColumn:n.column,originalLine:null!=r&&r.line,originalColumn:null!=r&&r.column,source:t,name:o})},t.prototype.setSourceContent=function(e,n){var r=e;null!=this._sourceRoot&&(r=i.relative(this._sourceRoot,r)),null!=n?(this._sourcesContents||(this._sourcesContents=Object.create(null)),this._sourcesContents[i.toSetString(r)]=n):this._sourcesContents&&(delete this._sourcesContents[i.toSetString(r)],0===Object.keys(this._sourcesContents).length&&(this._sourcesContents=null))},t.prototype.applySourceMap=function(e,n,r){var t=n;if(null==n){if(null==e.file)throw new Error('SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, or the source map\'s "file" property. Both were omitted.');t=e.file}var o=this._sourceRoot;null!=o&&(t=i.relative(o,t));var a=new s,u=new s;this._mappings.unsortedForEach(function(n){if(n.source===t&&null!=n.originalLine){var s=e.originalPositionFor({line:n.originalLine,column:n.originalColumn});null!=s.source&&(n.source=s.source,null!=r&&(n.source=i.join(r,n.source)),null!=o&&(n.source=i.relative(o,n.source)),n.originalLine=s.line,n.originalColumn=s.column,null!=s.name&&(n.name=s.name))}var l=n.source;null==l||a.has(l)||a.add(l);var c=n.name;null==c||u.has(c)||u.add(c)},this),this._sources=a,this._names=u,e.sources.forEach(function(n){var t=e.sourceContentFor(n);null!=t&&(null!=r&&(n=i.join(r,n)),null!=o&&(n=i.relative(o,n)),this.setSourceContent(n,t))},this)},t.prototype._validateMapping=function(e,n,r,t){if(n&&"number"!=typeof n.line&&"number"!=typeof n.column)throw new Error("original.line and original.column are not numbers -- you probably meant to omit the original mapping entirely and only map the generated position. If so, pass null for the original mapping instead of an object with empty or null values.");if((!(e&&"line"in e&&"column"in e&&e.line>0&&e.column>=0)||n||r||t)&&!(e&&"line"in e&&"column"in e&&n&&"line"in n&&"column"in n&&e.line>0&&e.column>=0&&n.line>0&&n.column>=0&&r))throw new Error("Invalid mapping: "+JSON.stringify({generated:e,source:r,original:n,name:t}))},t.prototype._serializeMappings=function(){for(var e,n,r,t,s=0,a=1,u=0,l=0,c=0,g=0,p="",h=this._mappings.toArray(),f=0,d=h.length;f<d;f++){if(n=h[f],e="",n.generatedLine!==a)for(s=0;n.generatedLine!==a;)e+=";",a++;else if(f>0){if(!i.compareByGeneratedPositionsInflated(n,h[f-1]))continue;e+=","}e+=o.encode(n.generatedColumn-s),s=n.generatedColumn,null!=n.source&&(t=this._sources.indexOf(n.source),e+=o.encode(t-g),g=t,e+=o.encode(n.originalLine-1-l),l=n.originalLine-1,e+=o.encode(n.originalColumn-u),u=n.originalColumn,null!=n.name&&(r=this._names.indexOf(n.name),e+=o.encode(r-c),c=r)),p+=e}return p},t.prototype._generateSourcesContent=function(e,n){return e.map(function(e){if(!this._sourcesContents)return null;null!=n&&(e=i.relative(n,e));var r=i.toSetString(e);return Object.prototype.hasOwnProperty.call(this._sourcesContents,r)?this._sourcesContents[r]:null},this)},t.prototype.toJSON=function(){var e={version:this._version,sources:this._sources.toArray(),names:this._names.toArray(),mappings:this._serializeMappings()};return null!=this._file&&(e.file=this._file),null!=this._sourceRoot&&(e.sourceRoot=this._sourceRoot),this._sourcesContents&&(e.sourcesContent=this._generateSourcesContent(e.sources,e.sourceRoot)),e},t.prototype.toString=function(){return JSON.stringify(this.toJSON())},n.SourceMapGenerator=t},function(e,n,r){function t(e){return e<0?(-e<<1)+1:(e<<1)+0}function o(e){var n=1===(1&e),r=e>>1;return n?-r:r}var i=r(3),s=5,a=1<<s,u=a-1,l=a;n.encode=function(e){var n,r="",o=t(e);do n=o&u,o>>>=s,o>0&&(n|=l),r+=i.encode(n);while(o>0);return r},n.decode=function(e,n,r){var t,a,c=e.length,g=0,p=0;do{if(n>=c)throw new Error("Expected more digits in base 64 VLQ value.");if(a=i.decode(e.charCodeAt(n++)),a===-1)throw new Error("Invalid base64 digit: "+e.charAt(n-1));t=!!(a&l),a&=u,g+=a<<p,p+=s}while(t);r.value=o(g),r.rest=n}},function(e,n){var r="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");n.encode=function(e){if(0<=e&&e<r.length)return r[e];throw new TypeError("Must be between 0 and 63: "+e)},n.decode=function(e){var n=65,r=90,t=97,o=122,i=48,s=57,a=43,u=47,l=26,c=52;return n<=e&&e<=r?e-n:t<=e&&e<=o?e-t+l:i<=e&&e<=s?e-i+c:e==a?62:e==u?63:-1}},function(e,n){function r(e,n,r){if(n in e)return e[n];if(3===arguments.length)return r;throw new Error('"'+n+'" is a required argument.')}function t(e){var n=e.match(v);return n?{scheme:n[1],auth:n[2],host:n[3],port:n[4],path:n[5]}:null}function o(e){var n="";return e.scheme&&(n+=e.scheme+":"),n+="//",e.auth&&(n+=e.auth+"@"),e.host&&(n+=e.host),e.port&&(n+=":"+e.port),e.path&&(n+=e.path),n}function i(e){var r=e,i=t(e);if(i){if(!i.path)return e;r=i.path}for(var s,a=n.isAbsolute(r),u=r.split(/\/+/),l=0,c=u.length-1;c>=0;c--)s=u[c],"."===s?u.splice(c,1):".."===s?l++:l>0&&(""===s?(u.splice(c+1,l),l=0):(u.splice(c,2),l--));return r=u.join("/"),""===r&&(r=a?"/":"."),i?(i.path=r,o(i)):r}function s(e,n){""===e&&(e="."),""===n&&(n=".");var r=t(n),s=t(e);if(s&&(e=s.path||"/"),r&&!r.scheme)return s&&(r.scheme=s.scheme),o(r);if(r||n.match(y))return n;if(s&&!s.host&&!s.path)return s.host=n,o(s);var a="/"===n.charAt(0)?n:i(e.replace(/\/+$/,"")+"/"+n);return s?(s.path=a,o(s)):a}function a(e,n){""===e&&(e="."),e=e.replace(/\/$/,"");for(var r=0;0!==n.indexOf(e+"/");){var t=e.lastIndexOf("/");if(t<0)return n;if(e=e.slice(0,t),e.match(/^([^\/]+:\/)?\/*$/))return n;++r}return Array(r+1).join("../")+n.substr(e.length+1)}function u(e){return e}function l(e){return g(e)?"$"+e:e}function c(e){return g(e)?e.slice(1):e}function g(e){if(!e)return!1;var n=e.length;if(n<9)return!1;if(95!==e.charCodeAt(n-1)||95!==e.charCodeAt(n-2)||111!==e.charCodeAt(n-3)||116!==e.charCodeAt(n-4)||111!==e.charCodeAt(n-5)||114!==e.charCodeAt(n-6)||112!==e.charCodeAt(n-7)||95!==e.charCodeAt(n-8)||95!==e.charCodeAt(n-9))return!1;for(var r=n-10;r>=0;r--)if(36!==e.charCodeAt(r))return!1;return!0}function p(e,n,r){var t=f(e.source,n.source);return 0!==t?t:(t=e.originalLine-n.originalLine,0!==t?t:(t=e.originalColumn-n.originalColumn,0!==t||r?t:(t=e.generatedColumn-n.generatedColumn,0!==t?t:(t=e.generatedLine-n.generatedLine,0!==t?t:f(e.name,n.name)))))}function h(e,n,r){var t=e.generatedLine-n.generatedLine;return 0!==t?t:(t=e.generatedColumn-n.generatedColumn,0!==t||r?t:(t=f(e.source,n.source),0!==t?t:(t=e.originalLine-n.originalLine,0!==t?t:(t=e.originalColumn-n.originalColumn,0!==t?t:f(e.name,n.name)))))}function f(e,n){return e===n?0:null===e?1:null===n?-1:e>n?1:-1}function d(e,n){var r=e.generatedLine-n.generatedLine;return 0!==r?r:(r=e.generatedColumn-n.generatedColumn,0!==r?r:(r=f(e.source,n.source),0!==r?r:(r=e.originalLine-n.originalLine,0!==r?r:(r=e.originalColumn-n.originalColumn,0!==r?r:f(e.name,n.name)))))}function m(e){return JSON.parse(e.replace(/^\)]}'[^\n]*\n/,""))}function _(e,n,r){if(n=n||"",e&&("/"!==e[e.length-1]&&"/"!==n[0]&&(e+="/"),n=e+n),r){var a=t(r);if(!a)throw new Error("sourceMapURL could not be parsed");if(a.path){var u=a.path.lastIndexOf("/");u>=0&&(a.path=a.path.substring(0,u+1))}n=s(o(a),n)}return i(n)}n.getArg=r;var v=/^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/,y=/^data:.+\,.+$/;n.urlParse=t,n.urlGenerate=o,n.normalize=i,n.join=s,n.isAbsolute=function(e){return"/"===e.charAt(0)||v.test(e)},n.relative=a;var C=function(){var e=Object.create(null);return!("__proto__"in e)}();n.toSetString=C?u:l,n.fromSetString=C?u:c,n.compareByOriginalPositions=p,n.compareByGeneratedPositionsDeflated=h,n.compareByGeneratedPositionsInflated=d,n.parseSourceMapInput=m,n.computeSourceURL=_},function(e,n,r){function t(){this._array=[],this._set=s?new Map:Object.create(null)}var o=r(4),i=Object.prototype.hasOwnProperty,s="undefined"!=typeof Map;t.fromArray=function(e,n){for(var r=new t,o=0,i=e.length;o<i;o++)r.add(e[o],n);return r},t.prototype.size=function(){return s?this._set.size:Object.getOwnPropertyNames(this._set).length},t.prototype.add=function(e,n){var r=s?e:o.toSetString(e),t=s?this.has(e):i.call(this._set,r),a=this._array.length;t&&!n||this._array.push(e),t||(s?this._set.set(e,a):this._set[r]=a)},t.prototype.has=function(e){if(s)return this._set.has(e);var n=o.toSetString(e);return i.call(this._set,n)},t.prototype.indexOf=function(e){if(s){var n=this._set.get(e);if(n>=0)return n}else{var r=o.toSetString(e);if(i.call(this._set,r))return this._set[r]}throw new Error('"'+e+'" is not in the set.')},t.prototype.at=function(e){if(e>=0&&e<this._array.length)return this._array[e];throw new Error("No element indexed by "+e)},t.prototype.toArray=function(){return this._array.slice()},n.ArraySet=t},function(e,n,r){function t(e,n){var r=e.generatedLine,t=n.generatedLine,o=e.generatedColumn,s=n.generatedColumn;return t>r||t==r&&s>=o||i.compareByGeneratedPositionsInflated(e,n)<=0}function o(){this._array=[],this._sorted=!0,this._last={generatedLine:-1,generatedColumn:0}}var i=r(4);o.prototype.unsortedForEach=function(e,n){this._array.forEach(e,n)},o.prototype.add=function(e){t(this._last,e)?(this._last=e,this._array.push(e)):(this._sorted=!1,this._array.push(e))},o.prototype.toArray=function(){return this._sorted||(this._array.sort(i.compareByGeneratedPositionsInflated),this._sorted=!0),this._array},n.MappingList=o},function(e,n,r){function t(e,n){var r=e;return"string"==typeof e&&(r=a.parseSourceMapInput(e)),null!=r.sections?new s(r,n):new o(r,n)}function o(e,n){var r=e;"string"==typeof e&&(r=a.parseSourceMapInput(e));var t=a.getArg(r,"version"),o=a.getArg(r,"sources"),i=a.getArg(r,"names",[]),s=a.getArg(r,"sourceRoot",null),u=a.getArg(r,"sourcesContent",null),c=a.getArg(r,"mappings"),g=a.getArg(r,"file",null);if(t!=this._version)throw new Error("Unsupported version: "+t);s&&(s=a.normalize(s)),o=o.map(String).map(a.normalize).map(function(e){return s&&a.isAbsolute(s)&&a.isAbsolute(e)?a.relative(s,e):e}),this._names=l.fromArray(i.map(String),!0),this._sources=l.fromArray(o,!0),this.sourceRoot=s,this.sourcesContent=u,this._mappings=c,this._sourceMapURL=n,this.file=g}function i(){this.generatedLine=0,this.generatedColumn=0,this.source=null,this.originalLine=null,this.originalColumn=null,this.name=null}function s(e,n){var r=e;"string"==typeof e&&(r=a.parseSourceMapInput(e));var o=a.getArg(r,"version"),i=a.getArg(r,"sections");if(o!=this._version)throw new Error("Unsupported version: "+o);this._sources=new l,this._names=new l;var s={line:-1,column:0};this._sections=i.map(function(e){if(e.url)throw new Error("Support for url field in sections not implemented.");var r=a.getArg(e,"offset"),o=a.getArg(r,"line"),i=a.getArg(r,"column");if(o<s.line||o===s.line&&i<s.column)throw new Error("Section offsets must be ordered and non-overlapping.");return s=r,{generatedOffset:{generatedLine:o+1,generatedColumn:i+1},consumer:new t(a.getArg(e,"map"),n)}})}var a=r(4),u=r(8),l=r(5).ArraySet,c=r(2),g=r(9).quickSort;t.fromSourceMap=function(e){return o.fromSourceMap(e)},t.prototype._version=3,t.prototype.__generatedMappings=null,Object.defineProperty(t.prototype,"_generatedMappings",{configurable:!0,enumerable:!0,get:function(){return this.__generatedMappings||this._parseMappings(this._mappings,this.sourceRoot),this.__generatedMappings}}),t.prototype.__originalMappings=null,Object.defineProperty(t.prototype,"_originalMappings",{configurable:!0,enumerable:!0,get:function(){return this.__originalMappings||this._parseMappings(this._mappings,this.sourceRoot),this.__originalMappings}}),t.prototype._charIsMappingSeparator=function(e,n){var r=e.charAt(n);return";"===r||","===r},t.prototype._parseMappings=function(e,n){throw new Error("Subclasses must implement _parseMappings")},t.GENERATED_ORDER=1,t.ORIGINAL_ORDER=2,t.GREATEST_LOWER_BOUND=1,t.LEAST_UPPER_BOUND=2,t.prototype.eachMapping=function(e,n,r){var o,i=n||null,s=r||t.GENERATED_ORDER;switch(s){case t.GENERATED_ORDER:o=this._generatedMappings;break;case t.ORIGINAL_ORDER:o=this._originalMappings;break;default:throw new Error("Unknown order of iteration.")}var u=this.sourceRoot;o.map(function(e){var n=null===e.source?null:this._sources.at(e.source);return n=a.computeSourceURL(u,n,this._sourceMapURL),{source:n,generatedLine:e.generatedLine,generatedColumn:e.generatedColumn,originalLine:e.originalLine,originalColumn:e.originalColumn,name:null===e.name?null:this._names.at(e.name)}},this).forEach(e,i)},t.prototype.allGeneratedPositionsFor=function(e){var n=a.getArg(e,"line"),r={source:a.getArg(e,"source"),originalLine:n,originalColumn:a.getArg(e,"column",0)};if(null!=this.sourceRoot&&(r.source=a.relative(this.sourceRoot,r.source)),!this._sources.has(r.source))return[];r.source=this._sources.indexOf(r.source);var t=[],o=this._findMapping(r,this._originalMappings,"originalLine","originalColumn",a.compareByOriginalPositions,u.LEAST_UPPER_BOUND);if(o>=0){var i=this._originalMappings[o];if(void 0===e.column)for(var s=i.originalLine;i&&i.originalLine===s;)t.push({line:a.getArg(i,"generatedLine",null),column:a.getArg(i,"generatedColumn",null),lastColumn:a.getArg(i,"lastGeneratedColumn",null)}),i=this._originalMappings[++o];else for(var l=i.originalColumn;i&&i.originalLine===n&&i.originalColumn==l;)t.push({line:a.getArg(i,"generatedLine",null),column:a.getArg(i,"generatedColumn",null),lastColumn:a.getArg(i,"lastGeneratedColumn",null)}),i=this._originalMappings[++o]}return t},n.SourceMapConsumer=t,o.prototype=Object.create(t.prototype),o.prototype.consumer=t,o.fromSourceMap=function(e,n){var r=Object.create(o.prototype),t=r._names=l.fromArray(e._names.toArray(),!0),s=r._sources=l.fromArray(e._sources.toArray(),!0);r.sourceRoot=e._sourceRoot,r.sourcesContent=e._generateSourcesContent(r._sources.toArray(),r.sourceRoot),r.file=e._file,r._sourceMapURL=n;for(var u=e._mappings.toArray().slice(),c=r.__generatedMappings=[],p=r.__originalMappings=[],h=0,f=u.length;h<f;h++){var d=u[h],m=new i;m.generatedLine=d.generatedLine,m.generatedColumn=d.generatedColumn,d.source&&(m.source=s.indexOf(d.source),m.originalLine=d.originalLine,m.originalColumn=d.originalColumn,d.name&&(m.name=t.indexOf(d.name)),p.push(m)),c.push(m)}return g(r.__originalMappings,a.compareByOriginalPositions),r},o.prototype._version=3,Object.defineProperty(o.prototype,"sources",{get:function(){return this._sources.toArray().map(function(e){return a.computeSourceURL(this.sourceRoot,e,this._sourceMapURL)},this)}}),o.prototype._parseMappings=function(e,n){for(var r,t,o,s,u,l=1,p=0,h=0,f=0,d=0,m=0,_=e.length,v=0,y={},C={},A=[],L=[];v<_;)if(";"===e.charAt(v))l++,v++,p=0;else if(","===e.charAt(v))v++;else{for(r=new i,r.generatedLine=l,s=v;s<_&&!this._charIsMappingSeparator(e,s);s++);if(t=e.slice(v,s),o=y[t])v+=t.length;else{for(o=[];v<s;)c.decode(e,v,C),u=C.value,v=C.rest,o.push(u);if(2===o.length)throw new Error("Found a source, but no line and column");if(3===o.length)throw new Error("Found a source and line, but no column");y[t]=o}r.generatedColumn=p+o[0],p=r.generatedColumn,o.length>1&&(r.source=d+o[1],d+=o[1],r.originalLine=h+o[2],h=r.originalLine,r.originalLine+=1,r.originalColumn=f+o[3],f=r.originalColumn,o.length>4&&(r.name=m+o[4],m+=o[4])),L.push(r),"number"==typeof r.originalLine&&A.push(r)}g(L,a.compareByGeneratedPositionsDeflated),this.__generatedMappings=L,g(A,a.compareByOriginalPositions),this.__originalMappings=A},o.prototype._findMapping=function(e,n,r,t,o,i){if(e[r]<=0)throw new TypeError("Line must be greater than or equal to 1, got "+e[r]);if(e[t]<0)throw new TypeError("Column must be greater than or equal to 0, got "+e[t]);return u.search(e,n,o,i)},o.prototype.computeColumnSpans=function(){for(var e=0;e<this._generatedMappings.length;++e){var n=this._generatedMappings[e];if(e+1<this._generatedMappings.length){var r=this._generatedMappings[e+1];if(n.generatedLine===r.generatedLine){n.lastGeneratedColumn=r.generatedColumn-1;continue}}n.lastGeneratedColumn=1/0}},o.prototype.originalPositionFor=function(e){var n={generatedLine:a.getArg(e,"line"),generatedColumn:a.getArg(e,"column")},r=this._findMapping(n,this._generatedMappings,"generatedLine","generatedColumn",a.compareByGeneratedPositionsDeflated,a.getArg(e,"bias",t.GREATEST_LOWER_BOUND));if(r>=0){var o=this._generatedMappings[r];if(o.generatedLine===n.generatedLine){var i=a.getArg(o,"source",null);null!==i&&(i=this._sources.at(i),i=a.computeSourceURL(this.sourceRoot,i,this._sourceMapURL));var s=a.getArg(o,"name",null);return null!==s&&(s=this._names.at(s)),{source:i,line:a.getArg(o,"originalLine",null),column:a.getArg(o,"originalColumn",null),name:s}}}return{source:null,line:null,column:null,name:null}},o.prototype.hasContentsOfAllSources=function(){return!!this.sourcesContent&&(this.sourcesContent.length>=this._sources.size()&&!this.sourcesContent.some(function(e){return null==e}))},o.prototype.sourceContentFor=function(e,n){if(!this.sourcesContent)return null;var r=e;if(null!=this.sourceRoot&&(r=a.relative(this.sourceRoot,r)),this._sources.has(r))return this.sourcesContent[this._sources.indexOf(r)];var t,o=this.sources;for(t=0;t<o.length;++t)if(o[t]==e)return this.sourcesContent[t];var i;if(null!=this.sourceRoot&&(i=a.urlParse(this.sourceRoot))){var s=r.replace(/^file:\/\//,"");if("file"==i.scheme&&this._sources.has(s))return this.sourcesContent[this._sources.indexOf(s)];if((!i.path||"/"==i.path)&&this._sources.has("/"+r))return this.sourcesContent[this._sources.indexOf("/"+r)]}if(n)return null;throw new Error('"'+r+'" is not in the SourceMap.')},o.prototype.generatedPositionFor=function(e){var n=a.getArg(e,"source");if(null!=this.sourceRoot&&(n=a.relative(this.sourceRoot,n)),!this._sources.has(n))return{line:null,column:null,lastColumn:null};n=this._sources.indexOf(n);var r={source:n,originalLine:a.getArg(e,"line"),originalColumn:a.getArg(e,"column")},o=this._findMapping(r,this._originalMappings,"originalLine","originalColumn",a.compareByOriginalPositions,a.getArg(e,"bias",t.GREATEST_LOWER_BOUND));if(o>=0){var i=this._originalMappings[o];if(i.source===r.source)return{line:a.getArg(i,"generatedLine",null),column:a.getArg(i,"generatedColumn",null),lastColumn:a.getArg(i,"lastGeneratedColumn",null)}}return{line:null,column:null,lastColumn:null}},n.BasicSourceMapConsumer=o,s.prototype=Object.create(t.prototype),s.prototype.constructor=t,s.prototype._version=3,Object.defineProperty(s.prototype,"sources",{get:function(){for(var e=[],n=0;n<this._sections.length;n++)for(var r=0;r<this._sections[n].consumer.sources.length;r++)e.push(this._sections[n].consumer.sources[r]);return e}}),s.prototype.originalPositionFor=function(e){var n={generatedLine:a.getArg(e,"line"),generatedColumn:a.getArg(e,"column")},r=u.search(n,this._sections,function(e,n){var r=e.generatedLine-n.generatedOffset.generatedLine;return r?r:e.generatedColumn-n.generatedOffset.generatedColumn}),t=this._sections[r];return t?t.consumer.originalPositionFor({line:n.generatedLine-(t.generatedOffset.generatedLine-1),column:n.generatedColumn-(t.generatedOffset.generatedLine===n.generatedLine?t.generatedOffset.generatedColumn-1:0),bias:e.bias}):{source:null,line:null,column:null,name:null}},s.prototype.hasContentsOfAllSources=function(){return this._sections.every(function(e){return e.consumer.hasContentsOfAllSources()})},s.prototype.sourceContentFor=function(e,n){for(var r=0;r<this._sections.length;r++){var t=this._sections[r],o=t.consumer.sourceContentFor(e,!0);if(o)return o}if(n)return null;throw new Error('"'+e+'" is not in the SourceMap.')},s.prototype.generatedPositionFor=function(e){for(var n=0;n<this._sections.length;n++){var r=this._sections[n];if(r.consumer.sources.indexOf(a.getArg(e,"source"))!==-1){var t=r.consumer.generatedPositionFor(e);if(t){var o={line:t.line+(r.generatedOffset.generatedLine-1),column:t.column+(r.generatedOffset.generatedLine===t.line?r.generatedOffset.generatedColumn-1:0)};return o}}}return{line:null,column:null}},s.prototype._parseMappings=function(e,n){this.__generatedMappings=[],this.__originalMappings=[];for(var r=0;r<this._sections.length;r++)for(var t=this._sections[r],o=t.consumer._generatedMappings,i=0;i<o.length;i++){var s=o[i],u=t.consumer._sources.at(s.source);u=a.computeSourceURL(t.consumer.sourceRoot,u,this._sourceMapURL),this._sources.add(u),u=this._sources.indexOf(u);var l=null;s.name&&(l=t.consumer._names.at(s.name),this._names.add(l),l=this._names.indexOf(l));var c={source:u,generatedLine:s.generatedLine+(t.generatedOffset.generatedLine-1),generatedColumn:s.generatedColumn+(t.generatedOffset.generatedLine===s.generatedLine?t.generatedOffset.generatedColumn-1:0),originalLine:s.originalLine,originalColumn:s.originalColumn,name:l};this.__generatedMappings.push(c),"number"==typeof c.originalLine&&this.__originalMappings.push(c)}g(this.__generatedMappings,a.compareByGeneratedPositionsDeflated),g(this.__originalMappings,a.compareByOriginalPositions)},n.IndexedSourceMapConsumer=s},function(e,n){function r(e,t,o,i,s,a){var u=Math.floor((t-e)/2)+e,l=s(o,i[u],!0);return 0===l?u:l>0?t-u>1?r(u,t,o,i,s,a):a==n.LEAST_UPPER_BOUND?t<i.length?t:-1:u:u-e>1?r(e,u,o,i,s,a):a==n.LEAST_UPPER_BOUND?u:e<0?-1:e}n.GREATEST_LOWER_BOUND=1,n.LEAST_UPPER_BOUND=2,n.search=function(e,t,o,i){if(0===t.length)return-1;var s=r(-1,t.length,e,t,o,i||n.GREATEST_LOWER_BOUND);if(s<0)return-1;for(;s-1>=0&&0===o(t[s],t[s-1],!0);)--s;return s}},function(e,n){function r(e,n,r){var t=e[n];e[n]=e[r],e[r]=t}function t(e,n){return Math.round(e+Math.random()*(n-e))}function o(e,n,i,s){if(i<s){var a=t(i,s),u=i-1;r(e,a,s);for(var l=e[s],c=i;c<s;c++)n(e[c],l)<=0&&(u+=1,r(e,u,c));r(e,u+1,c);var g=u+1;o(e,n,i,g-1),o(e,n,g+1,s)}}n.quickSort=function(e,n){o(e,n,0,e.length-1)}},function(e,n,r){function t(e,n,r,t,o){this.children=[],this.sourceContents={},this.line=null==e?null:e,this.column=null==n?null:n,this.source=null==r?null:r,this.name=null==o?null:o,this[u]=!0,null!=t&&this.add(t)}var o=r(1).SourceMapGenerator,i=r(4),s=/(\r?\n)/,a=10,u="$$$isSourceNode$$$";t.fromStringWithSourceMap=function(e,n,r){function o(e,n){if(null===e||void 0===e.source)a.add(n);else{var o=r?i.join(r,e.source):e.source;a.add(new t(e.originalLine,e.originalColumn,o,n,e.name))}}var a=new t,u=e.split(s),l=0,c=function(){function e(){return l<u.length?u[l++]:void 0}var n=e(),r=e()||"";return n+r},g=1,p=0,h=null;return n.eachMapping(function(e){if(null!==h){if(!(g<e.generatedLine)){var n=u[l]||"",r=n.substr(0,e.generatedColumn-p);return u[l]=n.substr(e.generatedColumn-p),p=e.generatedColumn,o(h,r),void(h=e)}o(h,c()),g++,p=0}for(;g<e.generatedLine;)a.add(c()),g++;if(p<e.generatedColumn){var n=u[l]||"";a.add(n.substr(0,e.generatedColumn)),u[l]=n.substr(e.generatedColumn),p=e.generatedColumn}h=e},this),l<u.length&&(h&&o(h,c()),a.add(u.splice(l).join(""))),n.sources.forEach(function(e){var t=n.sourceContentFor(e);null!=t&&(null!=r&&(e=i.join(r,e)),a.setSourceContent(e,t))}),a},t.prototype.add=function(e){if(Array.isArray(e))e.forEach(function(e){this.add(e)},this);else{if(!e[u]&&"string"!=typeof e)throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e);e&&this.children.push(e)}return this},t.prototype.prepend=function(e){if(Array.isArray(e))for(var n=e.length-1;n>=0;n--)this.prepend(e[n]);else{if(!e[u]&&"string"!=typeof e)throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e);this.children.unshift(e)}return this},t.prototype.walk=function(e){for(var n,r=0,t=this.children.length;r<t;r++)n=this.children[r],n[u]?n.walk(e):""!==n&&e(n,{source:this.source,line:this.line,column:this.column,name:this.name})},t.prototype.join=function(e){var n,r,t=this.children.length;if(t>0){for(n=[],r=0;r<t-1;r++)n.push(this.children[r]),n.push(e);n.push(this.children[r]),this.children=n}return this},t.prototype.replaceRight=function(e,n){var r=this.children[this.children.length-1];return r[u]?r.replaceRight(e,n):"string"==typeof r?this.children[this.children.length-1]=r.replace(e,n):this.children.push("".replace(e,n)),this},t.prototype.setSourceContent=function(e,n){this.sourceContents[i.toSetString(e)]=n},t.prototype.walkSourceContents=function(e){for(var n=0,r=this.children.length;n<r;n++)this.children[n][u]&&this.children[n].walkSourceContents(e);for(var t=Object.keys(this.sourceContents),n=0,r=t.length;n<r;n++)e(i.fromSetString(t[n]),this.sourceContents[t[n]])},t.prototype.toString=function(){var e="";return this.walk(function(n){e+=n}),e},t.prototype.toStringWithSourceMap=function(e){var n={code:"",line:1,column:0},r=new o(e),t=!1,i=null,s=null,u=null,l=null;return this.walk(function(e,o){n.code+=e,null!==o.source&&null!==o.line&&null!==o.column?(i===o.source&&s===o.line&&u===o.column&&l===o.name||r.addMapping({source:o.source,original:{line:o.line,column:o.column},generated:{line:n.line,column:n.column},name:o.name}),i=o.source,s=o.line,u=o.column,l=o.name,t=!0):t&&(r.addMapping({generated:{line:n.line,column:n.column}}),i=null,t=!1);for(var c=0,g=e.length;c<g;c++)e.charCodeAt(c)===a?(n.line++,n.column=0,c+1===g?(i=null,t=!1):t&&r.addMapping({source:o.source,original:{line:o.line,column:o.column},generated:{line:n.line,column:n.column},name:o.name})):n.column++}),this.walkSourceContents(function(e,n){r.setSourceContent(e,n)}),{code:n.code,map:r}},n.SourceNode=t}])});
 //# sourceMappingURL=source-map.min.js.map

lib/source-map-consumer.js

@@ -14,11 +14,11 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
 
-function SourceMapConsumer(aSourceMap) {
+function SourceMapConsumer(aSourceMap, aSourceMapURL) {
   var sourceMap = aSourceMap;
   if (typeof aSourceMap === 'string') {
-    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
+    sourceMap = util.parseSourceMapInput(aSourceMap);
   }
 
   return sourceMap.sections != null
-    ? new IndexedSourceMapConsumer(sourceMap)
-    : new BasicSourceMapConsumer(sourceMap);
+    ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL)
+    : new BasicSourceMapConsumer(sourceMap, aSourceMapURL);
 }
@@ -67,2 +67,4 @@
 Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
+  configurable: true,
+  enumerable: true,
   get: function () {
@@ -79,2 +81,4 @@ if (!this.__generatedMappings) {
 Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
+  configurable: true,
+  enumerable: true,
   get: function () {
@@ -147,5 +151,3 @@ if (!this.__originalMappings) {
       var source = mapping.source === null ? null : this._sources.at(mapping.source);
-      if (source != null && sourceRoot != null) {
-        source = util.join(sourceRoot, source);
-      }
+      source = util.computeSourceURL(sourceRoot, source, this._sourceMapURL);
       return {
@@ -173,9 +175,12 @@ source: source,
  *   - source: The filename of the original source.
- *   - line: The line number in the original source.
+ *   - line: The line number in the original source.  The line number is 1-based.
  *   - column: Optional. the column number in the original source.
+ *    The column number is 0-based.
  *
  * and an array of objects is returned, each with the following properties:
  *
- *   - line: The line number in the generated source, or null.
+ *   - line: The line number in the generated source, or null.  The
+ *    line number is 1-based.
  *   - column: The column number in the generated source, or null.
+ *    The column number is 0-based.
  */
@@ -262,3 +267,3 @@ SourceMapConsumer.prototype.allGeneratedPositionsFor =
  *
- * The only parameter is the raw source map (either as a JSON string, or
+ * The first parameter is the raw source map (either as a JSON string, or
  * already parsed to an object). According to the spec, source maps have the
@@ -286,8 +291,12 @@ * following attributes:
  *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
  * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
  */
-function BasicSourceMapConsumer(aSourceMap) {
+function BasicSourceMapConsumer(aSourceMap, aSourceMapURL) {
   var sourceMap = aSourceMap;
   if (typeof aSourceMap === 'string') {
-    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
+    sourceMap = util.parseSourceMapInput(aSourceMap);
   }
@@ -311,2 +320,6 @@
 
+  if (sourceRoot) {
+    sourceRoot = util.normalize(sourceRoot);
+  }
+
   sources = sources
@@ -338,2 +351,3 @@ .map(String)
   this._mappings = mappings;
+  this._sourceMapURL = aSourceMapURL;
   this.file = file;
@@ -350,6 +364,8 @@ }
  *        The source map that will be consumed.
+ * @param String aSourceMapURL
+ *        The URL at which the source map can be found (optional)
  * @returns BasicSourceMapConsumer
  */
 BasicSourceMapConsumer.fromSourceMap =
-  function SourceMapConsumer_fromSourceMap(aSourceMap) {
+  function SourceMapConsumer_fromSourceMap(aSourceMap, aSourceMapURL) {
     var smc = Object.create(BasicSourceMapConsumer.prototype);
@@ -363,2 +379,3 @@
     smc.file = aSourceMap._file;
+    smc._sourceMapURL = aSourceMapURL;
 
@@ -411,3 +428,3 @@ // Because we are modifying the entries (by converting string sources and
     return this._sources.toArray().map(function (s) {
-      return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;
+      return util.computeSourceURL(this.sourceRoot, s, this._sourceMapURL);
     }, this);
@@ -594,4 +611,6 @@ }
  *
- *   - line: The line number in the generated source.
- *   - column: The column number in the generated source.
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
  *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
@@ -606,4 +625,6 @@ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
  *   - source: The original source file, or null.
- *   - line: The line number in the original source, or null.
- *   - column: The column number in the original source, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
  *   - name: The original identifier, or null.
@@ -634,5 +655,3 @@ */
           source = this._sources.at(source);
-          if (this.sourceRoot != null) {
-            source = util.join(this.sourceRoot, source);
-          }
+          source = util.computeSourceURL(this.sourceRoot, source, this._sourceMapURL);
         }
@@ -684,10 +703,21 @@ var name = util.getArg(mapping, 'name', null);
 
+    var relativeSource = aSource;
     if (this.sourceRoot != null) {
-      aSource = util.relative(this.sourceRoot, aSource);
+      relativeSource = util.relative(this.sourceRoot, relativeSource);
     }
 
-    if (this._sources.has(aSource)) {
-      return this.sourcesContent[this._sources.indexOf(aSource)];
+    if (this._sources.has(relativeSource)) {
+      return this.sourcesContent[this._sources.indexOf(relativeSource)];
     }
 
+    // Maybe aSource is an absolute URL as returned by |sources|.  In
+    // this case we can't simply undo the transform.
+    var sourceArray = this.sources;
+    var i;
+    for (i = 0; i < sourceArray.length; ++i) {
+      if (sourceArray[i] == aSource) {
+        return this.sourcesContent[i];
+      }
+    }
+
     var url;
@@ -700,3 +730,3 @@ if (this.sourceRoot != null
       // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
-      var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
+      var fileUriAbsPath = relativeSource.replace(/^file:\/\//, "");
       if (url.scheme == "file"
@@ -708,4 +738,4 @@ && this._sources.has(fileUriAbsPath)) {
       if ((!url.path || url.path == "/")
-          && this._sources.has("/" + aSource)) {
-        return this.sourcesContent[this._sources.indexOf("/" + aSource)];
+          && this._sources.has("/" + relativeSource)) {
+        return this.sourcesContent[this._sources.indexOf("/" + relativeSource)];
       }
@@ -722,3 +752,3 @@ }
     else {
-      throw new Error('"' + aSource + '" is not in the SourceMap.');
+      throw new Error('"' + relativeSource + '" is not in the SourceMap.');
     }
@@ -733,4 +763,6 @@ };
  *   - source: The filename of the original source.
- *   - line: The line number in the original source.
- *   - column: The column number in the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
  *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
@@ -744,4 +776,6 @@ *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
  *
- *   - line: The line number in the generated source, or null.
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based.
  *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
  */
@@ -805,3 +839,3 @@ BasicSourceMapConsumer.prototype.generatedPositionFor =
  *
- * The only parameter is a raw source map (either as a JSON string, or already
+ * The first parameter is a raw source map (either as a JSON string, or already
  * parsed to an object). According to the spec for indexed source maps, they
@@ -843,8 +877,12 @@ * have the following attributes:
  *
+ * The second parameter, if given, is a string whose value is the URL
+ * at which the source map was found.  This URL is used to compute the
+ * sources array.
+ *
  * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
  */
-function IndexedSourceMapConsumer(aSourceMap) {
+function IndexedSourceMapConsumer(aSourceMap, aSourceMapURL) {
   var sourceMap = aSourceMap;
   if (typeof aSourceMap === 'string') {
-    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
+    sourceMap = util.parseSourceMapInput(aSourceMap);
   }
@@ -889,3 +927,3 @@
       },
-      consumer: new SourceMapConsumer(util.getArg(s, 'map'))
+      consumer: new SourceMapConsumer(util.getArg(s, 'map'), aSourceMapURL)
     }
@@ -923,4 +961,6 @@ });
  *
- *   - line: The line number in the generated source.
- *   - column: The column number in the generated source.
+ *   - line: The line number in the generated source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the generated source.  The column
+ *     number is 0-based.
  *
@@ -930,4 +970,6 @@ * and an object is returned with the following properties:
  *   - source: The original source file, or null.
- *   - line: The line number in the original source, or null.
- *   - column: The column number in the original source, or null.
+ *   - line: The line number in the original source, or null.  The
+ *     line number is 1-based.
+ *   - column: The column number in the original source, or null.  The
+ *     column number is 0-based.
  *   - name: The original identifier, or null.
@@ -1016,9 +1058,13 @@ */
  *   - source: The filename of the original source.
- *   - line: The line number in the original source.
- *   - column: The column number in the original source.
+ *   - line: The line number in the original source.  The line number
+ *     is 1-based.
+ *   - column: The column number in the original source.  The column
+ *     number is 0-based.
  *
  * and an object is returned with the following properties:
  *
- *   - line: The line number in the generated source, or null.
+ *   - line: The line number in the generated source, or null.  The
+ *     line number is 1-based. 
  *   - column: The column number in the generated source, or null.
+ *     The column number is 0-based.
  */
@@ -1071,11 +1117,12 @@ IndexedSourceMapConsumer.prototype.generatedPositionFor =
         var source = section.consumer._sources.at(mapping.source);
-        if (section.consumer.sourceRoot !== null) {
-          source = util.join(section.consumer.sourceRoot, source);
-        }
+        source = util.computeSourceURL(section.consumer.sourceRoot, source, this._sourceMapURL);
         this._sources.add(source);
         source = this._sources.indexOf(source);
 
-        var name = section.consumer._names.at(mapping.name);
-        this._names.add(name);
-        name = this._names.indexOf(name);
+        var name = null;
+        if (mapping.name) {
+          name = section.consumer._names.at(mapping.name);
+          this._names.add(name);
+          name = this._names.indexOf(name);
+        }
 
@@ -1082,0 +1129,0 @@ // The mappings coming from the consumer for the section have

lib/source-map-generator.js

@@ -75,2 +75,11 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
     aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var sourceRelative = sourceFile;
+      if (sourceRoot !== null) {
+        sourceRelative = util.relative(sourceRoot, sourceFile);
+      }
+
+      if (!generator._sources.has(sourceRelative)) {
+        generator._sources.add(sourceRelative);
+      }
+
       var content = aSourceMapConsumer.sourceContentFor(sourceFile);
@@ -77,0 +86,0 @@ if (content != null) {

lib/source-node.js

@@ -100,3 +100,3 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
           // "mapping.generatedColumn" with "lastMapping"
-          var nextLine = remainingLines[remainingLinesIndex];
+          var nextLine = remainingLines[remainingLinesIndex] || '';
           var code = nextLine.substr(0, mapping.generatedColumn -
@@ -121,3 +121,3 @@ lastGeneratedColumn);
       if (lastGeneratedColumn < mapping.generatedColumn) {
-        var nextLine = remainingLines[remainingLinesIndex];
+        var nextLine = remainingLines[remainingLinesIndex] || '';
         node.add(nextLine.substr(0, mapping.generatedColumn));
@@ -124,0 +124,0 @@ remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);

lib/util.js

@@ -29,3 +29,3 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
 
-var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/;
+var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
 var dataUrlRegexp = /^data:.+\,.+$/;
@@ -186,3 +186,3 @@
 exports.isAbsolute = function (aPath) {
-  return aPath.charAt(0) === '/' || !!aPath.match(urlRegexp);
+  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
 };
@@ -307,3 +307,3 @@
 function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
-  var cmp = mappingA.source - mappingB.source;
+  var cmp = strcmp(mappingA.source, mappingB.source);
   if (cmp !== 0) {
@@ -333,3 +333,3 @@ return cmp;
 
-  return mappingA.name - mappingB.name;
+  return strcmp(mappingA.name, mappingB.name);
 }
@@ -358,3 +358,3 @@ exports.compareByOriginalPositions = compareByOriginalPositions;
 
-  cmp = mappingA.source - mappingB.source;
+  cmp = strcmp(mappingA.source, mappingB.source);
   if (cmp !== 0) {
@@ -374,3 +374,3 @@ return cmp;
 
-  return mappingA.name - mappingB.name;
+  return strcmp(mappingA.name, mappingB.name);
 }
@@ -384,2 +384,10 @@ exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
 
+  if (aStr1 === null) {
+    return 1; // aStr2 !== null
+  }
+
+  if (aStr2 === null) {
+    return -1; // aStr1 !== null
+  }
+
   if (aStr1 > aStr2) {
@@ -425,1 +433,64 @@ return 1;
 exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
+
+/**
+ * Strip any JSON XSSI avoidance prefix from the string (as documented
+ * in the source maps specification), and then parse the string as
+ * JSON.
+ */
+function parseSourceMapInput(str) {
+  return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
+}
+exports.parseSourceMapInput = parseSourceMapInput;
+
+/**
+ * Compute the URL of a source given the the source root, the source's
+ * URL, and the source map's URL.
+ */
+function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
+  sourceURL = sourceURL || '';
+
+  if (sourceRoot) {
+    // This follows what Chrome does.
+    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
+      sourceRoot += '/';
+    }
+    // The spec says:
+    //   Line 4: An optional source root, useful for relocating source
+    //   files on a server or removing repeated values in the
+    //   “sources” entry.  This value is prepended to the individual
+    //   entries in the “source” field.
+    sourceURL = sourceRoot + sourceURL;
+  }
+
+  // Historically, SourceMapConsumer did not take the sourceMapURL as
+  // a parameter.  This mode is still somewhat supported, which is why
+  // this code block is conditional.  However, it's preferable to pass
+  // the source map URL to SourceMapConsumer, so that this function
+  // can implement the source URL resolution algorithm as outlined in
+  // the spec.  This block is basically the equivalent of:
+  //    new URL(sourceURL, sourceMapURL).toString()
+  // ... except it avoids using URL, which wasn't available in the
+  // older releases of node still supported by this library.
+  //
+  // The spec says:
+  //   If the sources are not absolute URLs after prepending of the
+  //   “sourceRoot”, the sources are resolved relative to the
+  //   SourceMap (like resolving script src in a html document).
+  if (sourceMapURL) {
+    var parsed = urlParse(sourceMapURL);
+    if (!parsed) {
+      throw new Error("sourceMapURL could not be parsed");
+    }
+    if (parsed.path) {
+      // Strip the last path component, but keep the "/".
+      var index = parsed.path.lastIndexOf('/');
+      if (index >= 0) {
+        parsed.path = parsed.path.substring(0, index + 1);
+      }
+    }
+    sourceURL = join(urlGenerate(parsed), sourceURL);
+  }
+
+  return normalize(sourceURL);
+}
+exports.computeSourceURL = computeSourceURL;

package.json

 {
   "name": "source-map",
   "description": "Generates and consumes source maps",
-  "version": "0.5.7",
+  "version": "0.6.0",
   "homepage": "https://github.com/mozilla/source-map",
@@ -52,2 +52,3 @@ "author": "Nick Fitzgerald <[e-mail]>",
     "source-map.js",
+    "source-map.d.ts",
     "lib/",
@@ -54,0 +55,0 @@ "dist/source-map.debug.js",

README.md

@@ -251,5 +251,9 @@ # Source Map
 
-* `line`: The line number in the generated source.
+* `line`: The line number in the generated source.  Line numbers in
+  this library are 1-based (note that the underlying source map
+  specification uses 0-based line numbers -- this library handles the
+  translation).
 
-* `column`: The column number in the generated source.
+* `column`: The column number in the generated source.  Column numbers
+  in this library are 0-based.
 
@@ -268,6 +272,6 @@ * `bias`: Either `SourceMapConsumer.GREATEST_LOWER_BOUND` or
 * `line`: The line number in the original source, or null if this information is
-  not available.
+  not available.  The line number is 1-based.
 
 * `column`: The column number in the original source, or null if this
-  information is not available.
+  information is not available.  The column number is 0-based.
 
@@ -298,11 +302,15 @@ * `name`: The original identifier, or null if this information is not available.
 
-* `line`: The line number in the original source.
+* `line`: The line number in the original source.  The line number is
+  1-based.
 
-* `column`: The column number in the original source.
+* `column`: The column number in the original source.  The column
+  number is 0-based.
 
 and an object is returned with the following properties:
 
-* `line`: The line number in the generated source, or null.
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
 
-* `column`: The column number in the generated source, or null.
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
 
@@ -328,11 +336,15 @@ ```js
 
-* `line`: The line number in the original source.
+* `line`: The line number in the original source.  The line number is
+  1-based.
 
-* `column`: Optional. The column number in the original source.
+* `column`: Optional. The column number in the original source.  The
+  column number is 0-based.
 
 and an array of objects is returned, each with the following properties:
 
-* `line`: The line number in the generated source, or null.
+* `line`: The line number in the generated source, or null.  The line
+  number is 1-based.
 
-* `column`: The column number in the generated source, or null.
+* `column`: The column number in the generated source, or null.  The
+  column number is 0-based.
 
@@ -541,6 +553,7 @@ ```js
 * `line`: The original line number associated with this source node, or null if
-  it isn't associated with an original line.
+  it isn't associated with an original line.  The line number is 1-based.
 
 * `column`: The original column number associated with this source node, or null
-  if it isn't associated with an original column.
+  if it isn't associated with an original column.  The column number
+  is 0-based.
 
@@ -547,0 +560,0 @@ * `source`: The original source's filename; null if no filename is provided.

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Improved metrics

Total package byte prevSize

802655

increased by4.72%

Number of package files

20

increased by5.26%

Lines of code

8691

increased by5.27%

Number of lines in readme file

743

increased by1.78%

Number of medium supply chain risk alerts

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decreased by-100%

No dependency changes