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7.6 KiB
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{"version":3,"names":["_genMapping","require","_traceMapping","SourceMap","constructor","opts","code","_opts$sourceFileName","_map","_rawMappings","_sourceFileName","_lastGenLine","_lastSourceLine","_lastSourceColumn","_inputMap","map","GenMapping","sourceRoot","sourceFileName","replace","undefined","inputSourceMap","TraceMap","resolvedSources","length","i","_this$_inputMap$sourc","setSourceContent","sourcesContent","Object","keys","get","toEncodedMap","getDecoded","toDecodedMap","getRawMappings","allMappings","mark","generated","line","column","identifierName","identifierNamePos","filename","_originalMapping","originalMapping","originalPositionFor","name","originalIdentifierMapping","source","maybeAddMapping","original","exports","default"],"sources":["../src/source-map.ts"],"sourcesContent":["import {\n GenMapping,\n maybeAddMapping,\n setSourceContent,\n allMappings,\n toEncodedMap,\n toDecodedMap,\n} from \"@jridgewell/gen-mapping\";\n\nimport type {\n EncodedSourceMap,\n DecodedSourceMap,\n Mapping,\n} from \"@jridgewell/gen-mapping\";\n\nimport {\n type SourceMapInput,\n originalPositionFor,\n TraceMap,\n} from \"@jridgewell/trace-mapping\";\n\n/**\n * Build a sourcemap.\n */\n\nexport default class SourceMap {\n private _map: GenMapping;\n private _rawMappings: Mapping[] | undefined;\n private _sourceFileName: string | undefined;\n\n // Any real line is > 0, so init to 0 is fine.\n private _lastGenLine = 0;\n private _lastSourceLine = 0;\n\n // Source columns can be 0, but we only check in unison with sourceLine, which\n // inits to an impossible value. So init to 0 is fine.\n private _lastSourceColumn = 0;\n\n public _inputMap: TraceMap;\n\n constructor(\n opts: {\n sourceFileName?: string;\n sourceRoot?: string;\n inputSourceMap?: SourceMapInput;\n },\n code: string | { [sourceFileName: string]: string },\n ) {\n const map = (this._map = new GenMapping({ sourceRoot: opts.sourceRoot }));\n this._sourceFileName = opts.sourceFileName?.replace(/\\\\/g, \"/\");\n this._rawMappings = undefined;\n\n if (opts.inputSourceMap) {\n this._inputMap = new TraceMap(opts.inputSourceMap);\n const resolvedSources = this._inputMap.resolvedSources;\n if (resolvedSources.length) {\n for (let i = 0; i < resolvedSources.length; i++) {\n setSourceContent(\n map,\n resolvedSources[i],\n this._inputMap.sourcesContent?.[i],\n );\n }\n }\n }\n\n if (typeof code === \"string\" && !opts.inputSourceMap) {\n setSourceContent(map, this._sourceFileName, code);\n } else if (typeof code === \"object\") {\n for (const sourceFileName of Object.keys(code)) {\n setSourceContent(\n map,\n sourceFileName.replace(/\\\\/g, \"/\"),\n code[sourceFileName],\n );\n }\n }\n }\n\n /**\n * Get the sourcemap.\n */\n get(): EncodedSourceMap {\n return toEncodedMap(this._map);\n }\n\n getDecoded(): DecodedSourceMap {\n return toDecodedMap(this._map);\n }\n\n getRawMappings(): Mapping[] {\n return (this._rawMappings ||= allMappings(this._map));\n }\n\n /**\n * Mark the current generated position with a source position. May also be passed null line/column\n * values to insert a mapping to nothing.\n */\n\n mark(\n generated: { line: number; column: number },\n line: number,\n column: number,\n identifierName?: string | null,\n identifierNamePos?: { line: number; column: number },\n filename?: string | null,\n ) {\n this._rawMappings = undefined;\n\n let originalMapping: {\n source: string | null;\n name?: string | null;\n line: number | null;\n column: number | null;\n };\n\n if (line != null) {\n if (this._inputMap) {\n // This is the lookup for this mark\n originalMapping = originalPositionFor(this._inputMap, {\n line,\n column,\n });\n\n // If the we found a name, nothing else needs to be done\n // Maybe we're marking
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