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22 KiB
1 line
22 KiB
4 weeks ago
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{"version":3,"file":"gen-mapping.mjs","sources":["../src/sourcemap-segment.ts","../src/gen-mapping.ts"],"sourcesContent":["type GeneratedColumn = number;\ntype SourcesIndex = number;\ntype SourceLine = number;\ntype SourceColumn = number;\ntype NamesIndex = number;\n\nexport type SourceMapSegment =\n | [GeneratedColumn]\n | [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn]\n | [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn, NamesIndex];\n\nexport const COLUMN = 0;\nexport const SOURCES_INDEX = 1;\nexport const SOURCE_LINE = 2;\nexport const SOURCE_COLUMN = 3;\nexport const NAMES_INDEX = 4;\n","import { SetArray, put, remove } from '@jridgewell/set-array';\nimport { encode } from '@jridgewell/sourcemap-codec';\nimport { TraceMap, decodedMappings } from '@jridgewell/trace-mapping';\n\nimport {\n COLUMN,\n SOURCES_INDEX,\n SOURCE_LINE,\n SOURCE_COLUMN,\n NAMES_INDEX,\n} from './sourcemap-segment';\n\nimport type { SourceMapInput } from '@jridgewell/trace-mapping';\nimport type { SourceMapSegment } from './sourcemap-segment';\nimport type { DecodedSourceMap, EncodedSourceMap, Pos, Mapping } from './types';\n\nexport type { DecodedSourceMap, EncodedSourceMap, Mapping };\n\nexport type Options = {\n file?: string | null;\n sourceRoot?: string | null;\n};\n\nconst NO_NAME = -1;\n\n/**\n * Provides the state to generate a sourcemap.\n */\nexport class GenMapping {\n private declare _names: SetArray<string>;\n private declare _sources: SetArray<string>;\n private declare _sourcesContent: (string | null)[];\n private declare _mappings: SourceMapSegment[][];\n private declare _ignoreList: SetArray<number>;\n declare file: string | null | undefined;\n declare sourceRoot: string | null | undefined;\n\n constructor({ file, sourceRoot }: Options = {}) {\n this._names = new SetArray();\n this._sources = new SetArray();\n this._sourcesContent = [];\n this._mappings = [];\n this.file = file;\n this.sourceRoot = sourceRoot;\n this._ignoreList = new SetArray();\n }\n}\n\ninterface PublicMap {\n _names: GenMapping['_names'];\n _sources: GenMapping['_sources'];\n _sourcesContent: GenMapping['_sourcesContent'];\n _mappings: GenMapping['_mappings'];\n _ignoreList: GenMapping['_ignoreList'];\n}\n\n/**\n * Typescript doesn't allow friend access to private fields, so this just casts the map into a type\n * with public access modifiers.\n */\nfunction cast(map: unknown): PublicMap {\n return map as any;\n}\n\n/**\n * A low-level API to associate a generated position with an original source position. Line and\n * column here are 0-based, unlike `addMapping`.\n */\nexport function addSegment(\n map: GenMapping,\n genLine: number,\n genColumn: number,\n source?: null,\n sourceLine?: null,\n sourceColumn?: null,\n name?: null,\n content?: null,\n): void;\nexport function addSegment(\n map: GenMapping,\n genLine: number,\n genColumn: number,\n source: string,\n sourceLine: number,\n sourceColumn: number,\n name?: null,\n content?: string | null,\n): void;\nexport function addSegment(\n map: GenMapping,\n genLine: number,\n genColumn: number,\n source: string,\n sourceLine: number,\n sourceColumn: number,\n name: string,\n content?: string | null,\n): void;\nexport function addSegment(\n map: GenMapping,\n genLine: number,\n genColumn: number,\n source?: string | null,\n sourceLine?: number | null,\n sourceColumn?: number | null,\n name?: string | null,\n content?: string | null,\n): void {\n return addSegmentInternal(\n false,\n map,\n genLine,\n genColumn,\n source,\n sourceLine,\n sourceColumn,\n name,\n content,\n );\n}\n\n/**\n * A high-level API to associate a generated position with an original source position. Line is\n * 1-based, but column is 0-based, due to legacy behavior in `source-map` library.\n */\nexport function addMapping(\n map: GenMapping,\n mapping: {\n generated: Pos;\n source?: null;\n original?: null;\n name?: null;\n content?: null;\n },\n): void;\nexport function addMapping(\n map: Gen
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