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authorAdam Mathes <adam@adammathes.com>2026-02-14 14:46:37 -0800
committerAdam Mathes <adam@adammathes.com>2026-02-14 14:46:37 -0800
commitafa87af01c79a9baa539f2992d32154d2a4739bd (patch)
tree92c7416db734270a2fee1d72ee9cc119379ff8e1 /vanilla/node_modules/@jridgewell/trace-mapping/src/trace-mapping.ts
parent3b927e84d200402281f68181cd4253bc77e5528d (diff)
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task: delete vanilla js prototype\n\n- Removed vanilla/ directory and web/dist/vanilla directory\n- Updated Makefile, Dockerfile, and CI workflow to remove vanilla references\n- Cleaned up web/web.go to remove vanilla embed and routes\n- Verified build and tests pass\n\nCloses NK-2tcnmq
Diffstat (limited to 'vanilla/node_modules/@jridgewell/trace-mapping/src/trace-mapping.ts')
-rw-r--r--vanilla/node_modules/@jridgewell/trace-mapping/src/trace-mapping.ts502
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diff --git a/vanilla/node_modules/@jridgewell/trace-mapping/src/trace-mapping.ts b/vanilla/node_modules/@jridgewell/trace-mapping/src/trace-mapping.ts
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--- a/vanilla/node_modules/@jridgewell/trace-mapping/src/trace-mapping.ts
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@@ -1,502 +0,0 @@
-import { encode, decode } from '@jridgewell/sourcemap-codec';
-
-import resolver from './resolve';
-import maybeSort from './sort';
-import buildBySources from './by-source';
-import {
- memoizedState,
- memoizedBinarySearch,
- upperBound,
- lowerBound,
- found as bsFound,
-} from './binary-search';
-import {
- COLUMN,
- SOURCES_INDEX,
- SOURCE_LINE,
- SOURCE_COLUMN,
- NAMES_INDEX,
- REV_GENERATED_LINE,
- REV_GENERATED_COLUMN,
-} from './sourcemap-segment';
-import { parse } from './types';
-
-import type { SourceMapSegment, ReverseSegment } from './sourcemap-segment';
-import type {
- SourceMapV3,
- DecodedSourceMap,
- EncodedSourceMap,
- InvalidOriginalMapping,
- OriginalMapping,
- InvalidGeneratedMapping,
- GeneratedMapping,
- SourceMapInput,
- Needle,
- SourceNeedle,
- SourceMap,
- EachMapping,
- Bias,
- XInput,
- SectionedSourceMap,
- Ro,
-} from './types';
-import type { Source } from './by-source';
-import type { MemoState } from './binary-search';
-
-export type { SourceMapSegment } from './sourcemap-segment';
-export type {
- SourceMap,
- DecodedSourceMap,
- EncodedSourceMap,
- Section,
- SectionedSourceMap,
- SourceMapV3,
- Bias,
- EachMapping,
- GeneratedMapping,
- InvalidGeneratedMapping,
- InvalidOriginalMapping,
- Needle,
- OriginalMapping,
- OriginalMapping as Mapping,
- SectionedSourceMapInput,
- SourceMapInput,
- SourceNeedle,
- XInput,
- EncodedSourceMapXInput,
- DecodedSourceMapXInput,
- SectionedSourceMapXInput,
- SectionXInput,
-} from './types';
-
-interface PublicMap {
- _encoded: TraceMap['_encoded'];
- _decoded: TraceMap['_decoded'];
- _decodedMemo: TraceMap['_decodedMemo'];
- _bySources: TraceMap['_bySources'];
- _bySourceMemos: TraceMap['_bySourceMemos'];
-}
-
-const LINE_GTR_ZERO = '`line` must be greater than 0 (lines start at line 1)';
-const COL_GTR_EQ_ZERO = '`column` must be greater than or equal to 0 (columns start at column 0)';
-
-export const LEAST_UPPER_BOUND = -1;
-export const GREATEST_LOWER_BOUND = 1;
-
-export { FlattenMap, FlattenMap as AnyMap } from './flatten-map';
-
-export class TraceMap implements SourceMap {
- declare version: SourceMapV3['version'];
- declare file: SourceMapV3['file'];
- declare names: SourceMapV3['names'];
- declare sourceRoot: SourceMapV3['sourceRoot'];
- declare sources: SourceMapV3['sources'];
- declare sourcesContent: SourceMapV3['sourcesContent'];
- declare ignoreList: SourceMapV3['ignoreList'];
-
- declare resolvedSources: string[];
- declare private _encoded: string | undefined;
-
- declare private _decoded: SourceMapSegment[][] | undefined;
- declare private _decodedMemo: MemoState;
-
- declare private _bySources: Source[] | undefined;
- declare private _bySourceMemos: MemoState[] | undefined;
-
- constructor(map: Ro<SourceMapInput>, mapUrl?: string | null) {
- const isString = typeof map === 'string';
- if (!isString && (map as unknown as { _decodedMemo: any })._decodedMemo) return map as TraceMap;
-
- const parsed = parse(map as Exclude<SourceMapInput, TraceMap>);
-
- const { version, file, names, sourceRoot, sources, sourcesContent } = parsed;
- this.version = version;
- this.file = file;
- this.names = names || [];
- this.sourceRoot = sourceRoot;
- this.sources = sources;
- this.sourcesContent = sourcesContent;
- this.ignoreList = parsed.ignoreList || (parsed as XInput).x_google_ignoreList || undefined;
-
- const resolve = resolver(mapUrl, sourceRoot);
- this.resolvedSources = sources.map(resolve);
-
- const { mappings } = parsed;
- if (typeof mappings === 'string') {
- this._encoded = mappings;
- this._decoded = undefined;
- } else if (Array.isArray(mappings)) {
- this._encoded = undefined;
- this._decoded = maybeSort(mappings, isString);
- } else if ((parsed as unknown as SectionedSourceMap).sections) {
- throw new Error(`TraceMap passed sectioned source map, please use FlattenMap export instead`);
- } else {
- throw new Error(`invalid source map: ${JSON.stringify(parsed)}`);
- }
-
- this._decodedMemo = memoizedState();
- this._bySources = undefined;
- this._bySourceMemos = undefined;
- }
-}
-
-/**
- * Typescript doesn't allow friend access to private fields, so this just casts the map into a type
- * with public access modifiers.
- */
-function cast(map: unknown): PublicMap {
- return map as any;
-}
-
-/**
- * Returns the encoded (VLQ string) form of the SourceMap's mappings field.
- */
-export function encodedMappings(map: TraceMap): EncodedSourceMap['mappings'] {
- return (cast(map)._encoded ??= encode(cast(map)._decoded!));
-}
-
-/**
- * Returns the decoded (array of lines of segments) form of the SourceMap's mappings field.
- */
-export function decodedMappings(map: TraceMap): Readonly<DecodedSourceMap['mappings']> {
- return (cast(map)._decoded ||= decode(cast(map)._encoded!));
-}
-
-/**
- * A low-level API to find the segment associated with a generated line/column (think, from a
- * stack trace). Line and column here are 0-based, unlike `originalPositionFor`.
- */
-export function traceSegment(
- map: TraceMap,
- line: number,
- column: number,
-): Readonly<SourceMapSegment> | null {
- const decoded = decodedMappings(map);
-
- // It's common for parent source maps to have pointers to lines that have no
- // mapping (like a "//# sourceMappingURL=") at the end of the child file.
- if (line >= decoded.length) return null;
-
- const segments = decoded[line];
- const index = traceSegmentInternal(
- segments,
- cast(map)._decodedMemo,
- line,
- column,
- GREATEST_LOWER_BOUND,
- );
-
- return index === -1 ? null : segments[index];
-}
-
-/**
- * A higher-level API to find the source/line/column associated with a generated line/column
- * (think, from a stack trace). Line is 1-based, but column is 0-based, due to legacy behavior in
- * `source-map` library.
- */
-export function originalPositionFor(
- map: TraceMap,
- needle: Needle,
-): OriginalMapping | InvalidOriginalMapping {
- let { line, column, bias } = needle;
- line--;
- if (line < 0) throw new Error(LINE_GTR_ZERO);
- if (column < 0) throw new Error(COL_GTR_EQ_ZERO);
-
- const decoded = decodedMappings(map);
-
- // It's common for parent source maps to have pointers to lines that have no
- // mapping (like a "//# sourceMappingURL=") at the end of the child file.
- if (line >= decoded.length) return OMapping(null, null, null, null);
-
- const segments = decoded[line];
- const index = traceSegmentInternal(
- segments,
- cast(map)._decodedMemo,
- line,
- column,
- bias || GREATEST_LOWER_BOUND,
- );
-
- if (index === -1) return OMapping(null, null, null, null);
-
- const segment = segments[index];
- if (segment.length === 1) return OMapping(null, null, null, null);
-
- const { names, resolvedSources } = map;
- return OMapping(
- resolvedSources[segment[SOURCES_INDEX]],
- segment[SOURCE_LINE] + 1,
- segment[SOURCE_COLUMN],
- segment.length === 5 ? names[segment[NAMES_INDEX]] : null,
- );
-}
-
-/**
- * Finds the generated line/column position of the provided source/line/column source position.
- */
-export function generatedPositionFor(
- map: TraceMap,
- needle: SourceNeedle,
-): GeneratedMapping | InvalidGeneratedMapping {
- const { source, line, column, bias } = needle;
- return generatedPosition(map, source, line, column, bias || GREATEST_LOWER_BOUND, false);
-}
-
-/**
- * Finds all generated line/column positions of the provided source/line/column source position.
- */
-export function allGeneratedPositionsFor(map: TraceMap, needle: SourceNeedle): GeneratedMapping[] {
- const { source, line, column, bias } = needle;
- // SourceMapConsumer uses LEAST_UPPER_BOUND for some reason, so we follow suit.
- return generatedPosition(map, source, line, column, bias || LEAST_UPPER_BOUND, true);
-}
-
-/**
- * Iterates each mapping in generated position order.
- */
-export function eachMapping(map: TraceMap, cb: (mapping: EachMapping) => void): void {
- const decoded = decodedMappings(map);
- const { names, resolvedSources } = map;
-
- for (let i = 0; i < decoded.length; i++) {
- const line = decoded[i];
- for (let j = 0; j < line.length; j++) {
- const seg = line[j];
-
- const generatedLine = i + 1;
- const generatedColumn = seg[0];
- let source = null;
- let originalLine = null;
- let originalColumn = null;
- let name = null;
- if (seg.length !== 1) {
- source = resolvedSources[seg[1]];
- originalLine = seg[2] + 1;
- originalColumn = seg[3];
- }
- if (seg.length === 5) name = names[seg[4]];
-
- cb({
- generatedLine,
- generatedColumn,
- source,
- originalLine,
- originalColumn,
- name,
- } as EachMapping);
- }
- }
-}
-
-function sourceIndex(map: TraceMap, source: string): number {
- const { sources, resolvedSources } = map;
- let index = sources.indexOf(source);
- if (index === -1) index = resolvedSources.indexOf(source);
- return index;
-}
-
-/**
- * Retrieves the source content for a particular source, if its found. Returns null if not.
- */
-export function sourceContentFor(map: TraceMap, source: string): string | null {
- const { sourcesContent } = map;
- if (sourcesContent == null) return null;
- const index = sourceIndex(map, source);
- return index === -1 ? null : sourcesContent[index];
-}
-
-/**
- * Determines if the source is marked to ignore by the source map.
- */
-export function isIgnored(map: TraceMap, source: string): boolean {
- const { ignoreList } = map;
- if (ignoreList == null) return false;
- const index = sourceIndex(map, source);
- return index === -1 ? false : ignoreList.includes(index);
-}
-
-/**
- * A helper that skips sorting of the input map's mappings array, which can be expensive for larger
- * maps.
- */
-export function presortedDecodedMap(map: DecodedSourceMap, mapUrl?: string): TraceMap {
- const tracer = new TraceMap(clone(map, []), mapUrl);
- cast(tracer)._decoded = map.mappings;
- return tracer;
-}
-
-/**
- * Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
- * a sourcemap, or to JSON.stringify.
- */
-export function decodedMap(
- map: TraceMap,
-): Omit<DecodedSourceMap, 'mappings'> & { mappings: readonly SourceMapSegment[][] } {
- return clone(map, decodedMappings(map));
-}
-
-/**
- * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
- * a sourcemap, or to JSON.stringify.
- */
-export function encodedMap(map: TraceMap): EncodedSourceMap {
- return clone(map, encodedMappings(map));
-}
-
-function clone<T extends string | readonly SourceMapSegment[][]>(
- map: TraceMap | DecodedSourceMap,
- mappings: T,
-): T extends string ? EncodedSourceMap : DecodedSourceMap {
- return {
- version: map.version,
- file: map.file,
- names: map.names,
- sourceRoot: map.sourceRoot,
- sources: map.sources,
- sourcesContent: map.sourcesContent,
- mappings,
- ignoreList: map.ignoreList || (map as XInput).x_google_ignoreList,
- } as any;
-}
-
-function OMapping(source: null, line: null, column: null, name: null): InvalidOriginalMapping;
-function OMapping(
- source: string,
- line: number,
- column: number,
- name: string | null,
-): OriginalMapping;
-function OMapping(
- source: string | null,
- line: number | null,
- column: number | null,
- name: string | null,
-): OriginalMapping | InvalidOriginalMapping {
- return { source, line, column, name } as any;
-}
-
-function GMapping(line: null, column: null): InvalidGeneratedMapping;
-function GMapping(line: number, column: number): GeneratedMapping;
-function GMapping(
- line: number | null,
- column: number | null,
-): GeneratedMapping | InvalidGeneratedMapping {
- return { line, column } as any;
-}
-
-function traceSegmentInternal(
- segments: SourceMapSegment[],
- memo: MemoState,
- line: number,
- column: number,
- bias: Bias,
-): number;
-function traceSegmentInternal(
- segments: ReverseSegment[],
- memo: MemoState,
- line: number,
- column: number,
- bias: Bias,
-): number;
-function traceSegmentInternal(
- segments: SourceMapSegment[] | ReverseSegment[],
- memo: MemoState,
- line: number,
- column: number,
- bias: Bias,
-): number {
- let index = memoizedBinarySearch(segments, column, memo, line);
- if (bsFound) {
- index = (bias === LEAST_UPPER_BOUND ? upperBound : lowerBound)(segments, column, index);
- } else if (bias === LEAST_UPPER_BOUND) index++;
-
- if (index === -1 || index === segments.length) return -1;
- return index;
-}
-
-function sliceGeneratedPositions(
- segments: ReverseSegment[],
- memo: MemoState,
- line: number,
- column: number,
- bias: Bias,
-): GeneratedMapping[] {
- let min = traceSegmentInternal(segments, memo, line, column, GREATEST_LOWER_BOUND);
-
- // We ignored the bias when tracing the segment so that we're guarnateed to find the first (in
- // insertion order) segment that matched. Even if we did respect the bias when tracing, we would
- // still need to call `lowerBound()` to find the first segment, which is slower than just looking
- // for the GREATEST_LOWER_BOUND to begin with. The only difference that matters for us is when the
- // binary search didn't match, in which case GREATEST_LOWER_BOUND just needs to increment to
- // match LEAST_UPPER_BOUND.
- if (!bsFound && bias === LEAST_UPPER_BOUND) min++;
-
- if (min === -1 || min === segments.length) return [];
-
- // We may have found the segment that started at an earlier column. If this is the case, then we
- // need to slice all generated segments that match _that_ column, because all such segments span
- // to our desired column.
- const matchedColumn = bsFound ? column : segments[min][COLUMN];
-
- // The binary search is not guaranteed to find the lower bound when a match wasn't found.
- if (!bsFound) min = lowerBound(segments, matchedColumn, min);
- const max = upperBound(segments, matchedColumn, min);
-
- const result = [];
- for (; min <= max; min++) {
- const segment = segments[min];
- result.push(GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]));
- }
- return result;
-}
-
-function generatedPosition(
- map: TraceMap,
- source: string,
- line: number,
- column: number,
- bias: Bias,
- all: false,
-): GeneratedMapping | InvalidGeneratedMapping;
-function generatedPosition(
- map: TraceMap,
- source: string,
- line: number,
- column: number,
- bias: Bias,
- all: true,
-): GeneratedMapping[];
-function generatedPosition(
- map: TraceMap,
- source: string,
- line: number,
- column: number,
- bias: Bias,
- all: boolean,
-): GeneratedMapping | InvalidGeneratedMapping | GeneratedMapping[] {
- line--;
- if (line < 0) throw new Error(LINE_GTR_ZERO);
- if (column < 0) throw new Error(COL_GTR_EQ_ZERO);
-
- const { sources, resolvedSources } = map;
- let sourceIndex = sources.indexOf(source);
- if (sourceIndex === -1) sourceIndex = resolvedSources.indexOf(source);
- if (sourceIndex === -1) return all ? [] : GMapping(null, null);
-
- const bySourceMemos = (cast(map)._bySourceMemos ||= sources.map(memoizedState));
- const generated = (cast(map)._bySources ||= buildBySources(decodedMappings(map), bySourceMemos));
-
- const segments = generated[sourceIndex][line];
- if (segments == null) return all ? [] : GMapping(null, null);
-
- const memo = bySourceMemos[sourceIndex];
-
- if (all) return sliceGeneratedPositions(segments, memo, line, column, bias);
-
- const index = traceSegmentInternal(segments, memo, line, column, bias);
- if (index === -1) return GMapping(null, null);
-
- const segment = segments[index];
- return GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]);
-}