dd-trace/vendor/dist/source-map/index.js

Datadog APM tracing client for JavaScript

(()=>{var e={"./source-map/lib/array-set.js":function(e,n){class t{constructor(){this._array=[],this._set=new Map}static fromArray(e,n){let r=new t;for(let t=0,o=e.length;t<o;t++)r.add(e[t],n);return r}size(){return this._set.size}add(e,n){let t=this.has(e),r=this._array.length;(!t||n)&&this._array.push(e),t||this._set.set(e,r)}has(e){return this._set.has(e)}indexOf(e){let n=this._set.get(e);if(n>=0)return n;throw Error('"'+e+'" is not in the set.')}at(e){if(e>=0&&e<this._array.length)return this._array[e];throw Error("No element indexed by "+e)}toArray(){return this._array.slice()}}n.ArraySet=t},"./source-map/lib/base64-vlq.js":function(e,n,t){let r=t("./source-map/lib/base64.js");n.encode=function(e){let n,t="",o=e<0?(-e<<1)+1:(e<<1)+0;do n=31&o,(o>>>=5)>0&&(n|=32),t+=r.encode(n);while(o>0);return t}},"./source-map/lib/base64.js":function(e,n){let t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");n.encode=function(e){if(0<=e&&e<t.length)return t[e];throw TypeError("Must be between 0 and 63: "+e)}},"./source-map/lib/binary-search.js":function(e,n){n.GREATEST_LOWER_BOUND=1,n.LEAST_UPPER_BOUND=2,n.search=function(e,t,r,o){if(0===t.length)return -1;let s=function e(t,r,o,s,i,l){let a=Math.floor((r-t)/2)+t,u=i(o,s[a],!0);return 0===u?a:u>0?r-a>1?e(a,r,o,s,i,l):l===n.LEAST_UPPER_BOUND?r<s.length?r:-1:a:a-t>1?e(t,a,o,s,i,l):l==n.LEAST_UPPER_BOUND?a:t<0?-1:t}(-1,t.length,e,t,r,o||n.GREATEST_LOWER_BOUND);if(s<0)return -1;for(;s-1>=0&&0===r(t[s],t[s-1],!0);)--s;return s}},"./source-map/lib/mapping-list.js":function(e,n,t){let r=t("./source-map/lib/util.js");n.MappingList=class{constructor(){this._array=[],this._sorted=!0,this._last={generatedLine:-1,generatedColumn:0}}unsortedForEach(e,n){this._array.forEach(e,n)}add(e){var n;let t,o,s,i;(n=this._last,t=n.generatedLine,o=e.generatedLine,s=n.generatedColumn,i=e.generatedColumn,o>t||o==t&&i>=s||0>=r.compareByGeneratedPositionsInflated(n,e))?this._last=e:this._sorted=!1,this._array.push(e)}toArray(){return this._sorted||(this._array.sort(r.compareByGeneratedPositionsInflated),this._sorted=!0),this._array}}},"./source-map/lib/read-wasm.js":function(e,n,t){"use strict";let r=t("fs"),o=t("path");e.exports=function(){return new Promise((e,n)=>{let t=o.join(__dirname,"mappings.wasm");r.readFile(t,null,(t,r)=>{t?n(t):e(r.buffer)})})},e.exports.initialize=e=>{console.debug("SourceMapConsumer.initialize is a no-op when running in node.js")}},"./source-map/lib/source-map-consumer.js":function(e,n,t){let r=t("./source-map/lib/util.js"),o=t("./source-map/lib/binary-search.js"),s=t("./source-map/lib/array-set.js").ArraySet;t("./source-map/lib/base64-vlq.js");let i=t("./source-map/lib/read-wasm.js"),l=t("./source-map/lib/wasm.js"),a=Symbol("smcInternal");class u{constructor(e,n){if(e==a)return Promise.resolve(this);return function(e,n){let t=e;return"string"==typeof e&&(t=r.parseSourceMapInput(e)),Promise.resolve(null!=t.sections?new g(t,n):new c(t,n))}(e,n)}static initialize(e){i.initialize(e["lib/mappings.wasm"])}static fromSourceMap(e,n){var t,r;return t=e,r=n,c.fromSourceMap(t,r)}static async with(e,n,t){let r=await new u(e,n);try{return await t(r)}finally{r.destroy()}}eachMapping(e,n,t){throw Error("Subclasses must implement eachMapping")}allGeneratedPositionsFor(e){throw Error("Subclasses must implement allGeneratedPositionsFor")}destroy(){throw Error("Subclasses must implement destroy")}}u.prototype._version=3,u.GENERATED_ORDER=1,u.ORIGINAL_ORDER=2,u.GREATEST_LOWER_BOUND=1,u.LEAST_UPPER_BOUND=2,n.SourceMapConsumer=u;class c extends u{constructor(e,n){return super(a).then(t=>{let o=e;"string"==typeof e&&(o=r.parseSourceMapInput(e));let i=r.getArg(o,"version"),a=r.getArg(o,"sources").map(String),u=r.getArg(o,"names",[]),c=r.getArg(o,"sourceRoot",null),g=r.getArg(o,"sourcesContent",null),h=r.getArg(o,"mappings"),m=r.getArg(o,"file",null),p=r.getArg(o,"x_google_ignoreList",null);if(i!=t._version)throw Error("Unsupported version: "+i);return t._sourceLookupCache=new Map,t._names=s.fromArray(u.map(String),!0),t._sources=s.fromArray(a,!0),t._absoluteSources=s.fromArray(t._sources.toArray().map(function(e){return r.computeSourceURL(c,e,n)}),!0),t.sourceRoot=c,t.sourcesContent=g,t._mappings=h,t._sourceMapURL=n,t.file=m,t.x_google_ignoreList=p,t._computedColumnSpans=!1,t._mappingsPtr=0,t._wasm=null,l().then(e=>(t._wasm=e,t))})}_findSourceIndex(e){let n=this._sourceLookupCache.get(e);if("number"==typeof n)return n;let t=r.computeSourceURL(null,e,this._sourceMapURL);if(this._absoluteSources.has(t)){let n=this._absoluteSources.indexOf(t);return this._sourceLookupCache.set(e,n),n}let o=r.computeSourceURL(this.sourceRoot,e,this._sourceMapURL);if(this._absoluteSources.has(o)){let n=this._absoluteSources.indexOf(o);return this._sourceLookupCache.set(e,n),n}return -1}static fromSourceMap(e,n){return new c(e.toString())}get sources(){return this._absoluteSources.toArray()}_getMappingsPtr(){return 0===this._mappingsPtr&&this._parseMappings(),this._mappingsPtr}_parseMappings(){let e=this._mappings,n=e.length,t=this._wasm.exports.allocate_mappings(n)>>>0,r=new Uint8Array(this._wasm.exports.memory.buffer,t,n);for(let t=0;t<n;t++)r[t]=e.charCodeAt(t);let o=this._wasm.exports.parse_mappings(t);if(!o){let e=this._wasm.exports.get_last_error(),n=`Error parsing mappings (code ${e}): `;switch(e){case 1:n+="the mappings contained a negative line, column, source index, or name index";break;case 2:n+="the mappings contained a number larger than 2**32";break;case 3:n+="reached EOF while in the middle of parsing a VLQ";break;case 4:n+="invalid base 64 character while parsing a VLQ";break;default:n+="unknown error code"}throw Error(n)}this._mappingsPtr=o}eachMapping(e,n,t){let r=n||null,o=t||u.GENERATED_ORDER;this._wasm.withMappingCallback(n=>{null!==n.source&&(n.source=this._absoluteSources.at(n.source),null!==n.name&&(n.name=this._names.at(n.name))),this._computedColumnSpans&&null===n.lastGeneratedColumn&&(n.lastGeneratedColumn=1/0),e.call(r,n)},()=>{switch(o){case u.GENERATED_ORDER:this._wasm.exports.by_generated_location(this._getMappingsPtr());break;case u.ORIGINAL_ORDER:this._wasm.exports.by_original_location(this._getMappingsPtr());break;default:throw Error("Unknown order of iteration.")}})}allGeneratedPositionsFor(e){let n=r.getArg(e,"source"),t=r.getArg(e,"line"),o=e.column||0;if((n=this._findSourceIndex(n))<0)return[];if(t<1)throw Error("Line numbers must be >= 1");if(o<0)throw Error("Column numbers must be >= 0");let s=[];return this._wasm.withMappingCallback(e=>{let n=e.lastGeneratedColumn;this._computedColumnSpans&&null===n&&(n=1/0),s.push({line:e.generatedLine,column:e.generatedColumn,lastColumn:n})},()=>{this._wasm.exports.all_generated_locations_for(this._getMappingsPtr(),n,t-1,"column"in e,o)}),s}destroy(){0!==this._mappingsPtr&&(this._wasm.exports.free_mappings(this._mappingsPtr),this._mappingsPtr=0)}computeColumnSpans(){this._computedColumnSpans||(this._wasm.exports.compute_column_spans(this._getMappingsPtr()),this._computedColumnSpans=!0)}originalPositionFor(e){let n,t={generatedLine:r.getArg(e,"line"),generatedColumn:r.getArg(e,"column")};if(t.generatedLine<1)throw Error("Line numbers must be >= 1");if(t.generatedColumn<0)throw Error("Column numbers must be >= 0");let o=r.getArg(e,"bias",u.GREATEST_LOWER_BOUND);if(null==o&&(o=u.GREATEST_LOWER_BOUND),this._wasm.withMappingCallback(e=>n=e,()=>{this._wasm.exports.original_location_for(this._getMappingsPtr(),t.generatedLine-1,t.generatedColumn,o)}),n&&n.generatedLine===t.generatedLine){let e=r.getArg(n,"source",null);null!==e&&(e=this._absoluteSources.at(e));let t=r.getArg(n,"name",null);return null!==t&&(t=this._names.at(t)),{source:e,line:r.getArg(n,"originalLine",null),column:r.getArg(n,"originalColumn",null),name:t}}return{source:null,line:null,column:null,name:null}}hasContentsOfAllSources(){return!!this.sourcesContent&&this.sourcesContent.length>=this._sources.size()&&!this.sourcesContent.some(function(e){return null==e})}sourceContentFor(e,n){if(!this.sourcesContent)return null;let t=this._findSourceIndex(e);if(t>=0)return this.sourcesContent[t];if(n)return null;throw Error('"'+e+'" is not in the SourceMap.')}generatedPositionFor(e){let n,t=r.getArg(e,"source");if((t=this._findSourceIndex(t))<0)return{line:null,column:null,lastColumn:null};let o={source:t,originalLine:r.getArg(e,"line"),originalColumn:r.getArg(e,"column")};if(o.originalLine<1)throw Error("Line numbers must be >= 1");if(o.originalColumn<0)throw Error("Column numbers must be >= 0");let s=r.getArg(e,"bias",u.GREATEST_LOWER_BOUND);if(null==s&&(s=u.GREATEST_LOWER_BOUND),this._wasm.withMappingCallback(e=>n=e,()=>{this._wasm.exports.generated_location_for(this._getMappingsPtr(),o.source,o.originalLine-1,o.originalColumn,s)}),n&&n.source===o.source){let e=n.lastGeneratedColumn;return this._computedColumnSpans&&null===e&&(e=1/0),{line:r.getArg(n,"generatedLine",null),column:r.getArg(n,"generatedColumn",null),lastColumn:e}}return{line:null,column:null,lastColumn:null}}}c.prototype.consumer=u;class g extends u{constructor(e,n){return super(a).then(t=>{let o=e;"string"==typeof e&&(o=r.parseSourceMapInput(e));let s=r.getArg(o,"version"),i=r.getArg(o,"sections");if(s!=t._version)throw Error("Unsupported version: "+s);let l={line:-1,column:0};return Promise.all(i.map(e=>{if(e.url)throw Error("Support for url field in sections not implemented.");let t=r.getArg(e,"offset"),o=r.getArg(t,"line"),s=r.getArg(t,"column");if(o<l.line||o===l.line&&s<l.column)throw Error("Section offsets must be ordered and non-overlapping.");return l=t,new u(r.getArg(e,"map"),n).then(e=>({generatedOffset:{generatedLine:o+1,generatedColumn:s+1},consumer:e}))})).then(e=>(t._sections=e,t))})}get sources(){let e=[];for(let n=0;n<this._sections.length;n++)for(let t=0;t<this._sections[n].consumer.sources.length;t++)e.push(this._sections[n].consumer.sources[t]);return e}originalPositionFor(e){let n={generatedLine:r.getArg(e,"line"),generatedColumn:r.getArg(e,"column")},t=o.search(n,this._sections,function(e,n){let t=e.generatedLine-n.generatedOffset.generatedLine;return t||e.generatedColumn-(n.generatedOffset.generatedColumn-1)}),s=this._sections[t];return s?s.consumer.originalPositionFor({line:n.generatedLine-(s.generatedOffset.generatedLine-1),column:n.generatedColumn-(s.generatedOffset.generatedLine===n.generatedLine?s.generatedOffset.generatedColumn-1:0),bias:e.bias}):{source:null,line:null,column:null,name:null}}hasContentsOfAllSources(){return this._sections.every(function(e){return e.consumer.hasContentsOfAllSources()})}sourceContentFor(e,n){for(let n=0;n<this._sections.length;n++){let t=this._sections[n].consumer.sourceContentFor(e,!0);if(t)return t}if(n)return null;throw Error('"'+e+'" is not in the SourceMap.')}_findSectionIndex(e){for(let n=0;n<this._sections.length;n++){let{consumer:t}=this._sections[n];if(-1!==t._findSourceIndex(e))return n}return -1}generatedPositionFor(e){let n=this._findSectionIndex(r.getArg(e,"source")),t=n>=0?this._sections[n]:null,o=n>=0&&n+1<this._sections.length?this._sections[n+1]:null,s=t&&t.consumer.generatedPositionFor(e);if(s&&null!==s.line){let e=t.generatedOffset.generatedLine-1,n=t.generatedOffset.generatedColumn-1;return 1===s.line&&(s.column+=n,"number"==typeof s.lastColumn&&(s.lastColumn+=n)),s.lastColumn===1/0&&o&&s.line===o.generatedOffset.generatedLine&&(s.lastColumn=o.generatedOffset.generatedColumn-2),s.line+=e,s}return{line:null,column:null,lastColumn:null}}allGeneratedPositionsFor(e){let n=this._findSectionIndex(r.getArg(e,"source")),t=n>=0?this._sections[n]:null,o=n>=0&&n+1<this._sections.length?this._sections[n+1]:null;return t?t.consumer.allGeneratedPositionsFor(e).map(e=>{let n=t.generatedOffset.generatedLine-1,r=t.generatedOffset.generatedColumn-1;return 1===e.line&&(e.column+=r,"number"==typeof e.lastColumn&&(e.lastColumn+=r)),e.lastColumn===1/0&&o&&e.line===o.generatedOffset.generatedLine&&(e.lastColumn=o.generatedOffset.generatedColumn-2),e.line+=n,e}):[]}eachMapping(e,n,t){this._sections.forEach((r,o)=>{let s=o+1<this._sections.length?this._sections[o+1]:null,{generatedOffset:i}=r,l=i.generatedLine-1,a=i.generatedColumn-1;r.consumer.eachMapping(function(n){1===n.generatedLine&&(n.generatedColumn+=a,"number"==typeof n.lastGeneratedColumn&&(n.lastGeneratedColumn+=a)),n.lastGeneratedColumn===1/0&&s&&n.generatedLine===s.generatedOffset.generatedLine&&(n.lastGeneratedColumn=s.generatedOffset.generatedColumn-2),n.generatedLine+=l,e.call(this,n)},n,t)})}computeColumnSpans(){for(let e=0;e<this._sections.length;e++)this._sections[e].consumer.computeColumnSpans()}destroy(){for(let e=0;e<this._sections.length;e++)this._sections[e].consumer.destroy()}}},"./source-map/lib/source-map-generator.js":function(e,n,t){let r=t("./source-map/lib/base64-vlq.js"),o=t("./source-map/lib/util.js"),s=t("./source-map/lib/array-set.js").ArraySet,i=t("./source-map/lib/mapping-list.js").MappingList;class l{constructor(e){e||(e={}),this._file=o.getArg(e,"file",null),this._sourceRoot=o.getArg(e,"sourceRoot",null),this._skipValidation=o.getArg(e,"skipValidation",!1),this._sources=new s,this._names=new s,this._mappings=new i,this._sourcesContents=null}static fromSourceMap(e){let n=e.sourceRoot,t=new l({file:e.file,sourceRoot:n});return e.eachMapping(function(e){let r={generated:{line:e.generatedLine,column:e.generatedColumn}};null!=e.source&&(r.source=e.source,null!=n&&(r.source=o.relative(n,r.source)),r.original={line:e.originalLine,column:e.originalColumn},null!=e.name&&(r.name=e.name)),t.addMapping(r)}),e.sources.forEach(function(r){let s=r;null!=n&&(s=o.relative(n,r)),t._sources.has(s)||t._sources.add(s);let i=e.sourceContentFor(r);null!=i&&t.setSourceContent(r,i)}),t}addMapping(e){let n=o.getArg(e,"generated"),t=o.getArg(e,"original",null),r=o.getArg(e,"source",null),s=o.getArg(e,"name",null);this._skipValidation||this._validateMapping(n,t,r,s),null!=r&&(r=String(r),this._sources.has(r)||this._sources.add(r)),null!=s&&(s=String(s),this._names.has(s)||this._names.add(s)),this._mappings.add({generatedLine:n.line,generatedColumn:n.column,originalLine:t&&t.line,originalColumn:t&&t.column,source:r,name:s})}setSourceContent(e,n){let t=e;null!=this._sourceRoot&&(t=o.relative(this._sourceRoot,t)),null!=n?(this._sourcesContents||(this._sourcesContents=Object.create(null)),this._sourcesContents[o.toSetString(t)]=n):this._sourcesContents&&(delete this._sourcesContents[o.toSetString(t)],0===Object.keys(this._sourcesContents).length&&(this._sourcesContents=null))}applySourceMap(e,n,t){let r=n;if(null==n){if(null==e.file)throw Error('SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, or the source map\'s "file" property. Both were omitted.');r=e.file}let i=this._sourceRoot;null!=i&&(r=o.relative(i,r));let l=this._mappings.toArray().length>0?new s:this._sources,a=new s;this._mappings.unsortedForEach(function(n){if(n.source===r&&null!=n.originalLine){let r=e.originalPositionFor({line:n.originalLine,column:n.originalColumn});null!=r.source&&(n.source=r.source,null!=t&&(n.source=o.join(t,n.source)),null!=i&&(n.source=o.relative(i,n.source)),n.originalLine=r.line,n.originalColumn=r.column,null!=r.name&&(n.name=r.name))}let s=n.source;null==s||l.has(s)||l.add(s);let u=n.name;null==u||a.has(u)||a.add(u)},this),this._sources=l,this._names=a,e.sources.forEach(function(n){let r=e.sourceContentFor(n);null!=r&&(null!=t&&(n=o.join(t,n)),null!=i&&(n=o.relative(i,n)),this.setSourceContent(n,r))},this)}_validateMapping(e,n,t,r){if(n&&"number"!=typeof n.line&&"number"!=typeof n.column)throw 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&&!t&&!r);else if(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&&t);else throw Error("Invalid mapping: "+JSON.stringify({generated:e,source:t,original:n,name:r}))}_serializeMappings(){let e,n,t,s,i=0,l=1,a=0,u=0,c=0,g=0,h="",m=this._mappings.toArray();for(let p=0,d=m.length;p<d;p++){if(n=m[p],e="",n.generatedLine!==l)for(i=0;n.generatedLine!==l;)e+=";",l++;else if(p>0){if(!o.compareByGeneratedPositionsInflated(n,m[p-1]))continue;e+=","}e+=r.encode(n.generatedColumn-i),i=n.generatedColumn,null!=n.source&&(s=this._sources.indexOf(n.source),e+=r.encode(s-g),g=s,e+=r.encode(n.originalLine-1-u),u=n.originalLine-1,e+=r.encode(n.originalColumn-a),a=n.originalColumn,null!=n.name&&(t=this._names.indexOf(n.name),e+=r.encode(t-c),c=t)),h+=e}return h}_generateSourcesContent(e,n){return e.map(function(e){if(!this._sourcesContents)return null;null!=n&&(e=o.relative(n,e));let t=o.toSetString(e);return Object.prototype.hasOwnProperty.call(this._sourcesContents,t)?this._sourcesContents[t]:null},this)}toJSON(){let 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}toString(){return JSON.stringify(this.toJSON())}}l.prototype._version=3,n.SourceMapGenerator=l},"./source-map/lib/source-node.js":function(e,n,t){let r=t("./source-map/lib/source-map-generator.js").SourceMapGenerator,o=t("./source-map/lib/util.js"),s=/(\r?\n)/,i="$$$isSourceNode$$$";class l{constructor(e,n,t,r,o){this.children=[],this.sourceContents={},this.line=null==e?null:e,this.column=null==n?null:n,this.source=null==t?null:t,this.name=null==o?null:o,this[i]=!0,null!=r&&this.add(r)}static fromStringWithSourceMap(e,n,t){let r,i=new l,a=e.split(s),u=0,c=function(){return e()+(e()||"");function e(){return u<a.length?a[u++]:void 0}},g=1,h=0,m=null;return n.eachMapping(function(e){if(null!==m)if(g<e.generatedLine)p(m,c()),g++,h=0;else{let n=(r=a[u]||"").substr(0,e.generatedColumn-h);a[u]=r.substr(e.generatedColumn-h),h=e.generatedColumn,p(m,n),m=e;return}for(;g<e.generatedLine;)i.add(c()),g++;h<e.generatedColumn&&(r=a[u]||"",i.add(r.substr(0,e.generatedColumn)),a[u]=r.substr(e.generatedColumn),h=e.generatedColumn),m=e},this),u<a.length&&(m&&p(m,c()),i.add(a.splice(u).join(""))),n.sources.forEach(function(e){let r=n.sourceContentFor(e);null!=r&&(null!=t&&(e=o.join(t,e)),i.setSourceContent(e,r))}),i;function p(e,n){if(null===e||void 0===e.source)i.add(n);else{let r=t?o.join(t,e.source):e.source;i.add(new l(e.originalLine,e.originalColumn,r,n,e.name))}}}add(e){if(Array.isArray(e))e.forEach(function(e){this.add(e)},this);else if(e[i]||"string"==typeof e)e&&this.children.push(e);else throw TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. 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