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import { decodedMappings, traceSegment, TraceMap } from '@jridgewell/trace-mapping';
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import { GenMapping, addSegment, setSourceContent, decodedMap, encodedMap } from '@jridgewell/gen-mapping';
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const SOURCELESS_MAPPING = {
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source: null,
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column: null,
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line: null,
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name: null,
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content: null,
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};
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const EMPTY_SOURCES = [];
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function Source(map, sources, source, content) {
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return {
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map,
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sources,
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source,
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content,
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};
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}
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/**
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* MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
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* (which may themselves be SourceMapTrees).
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*/
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function MapSource(map, sources) {
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return Source(map, sources, '', null);
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}
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/**
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* A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
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* segment tracing ends at the `OriginalSource`.
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*/
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function OriginalSource(source, content) {
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return Source(null, EMPTY_SOURCES, source, content);
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}
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/**
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* traceMappings is only called on the root level SourceMapTree, and begins the process of
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* resolving each mapping in terms of the original source files.
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*/
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function traceMappings(tree) {
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const gen = new GenMapping({ file: tree.map.file });
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const { sources: rootSources, map } = tree;
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const rootNames = map.names;
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const rootMappings = decodedMappings(map);
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for (let i = 0; i < rootMappings.length; i++) {
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const segments = rootMappings[i];
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let lastSource = null;
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let lastSourceLine = null;
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let lastSourceColumn = null;
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for (let j = 0; j < segments.length; j++) {
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const segment = segments[j];
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const genCol = segment[0];
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let traced = SOURCELESS_MAPPING;
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// 1-length segments only move the current generated column, there's no source information
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// to gather from it.
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if (segment.length !== 1) {
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const source = rootSources[segment[1]];
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traced = originalPositionFor(source, segment[2], segment[3], segment.length === 5 ? rootNames[segment[4]] : '');
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// If the trace is invalid, then the trace ran into a sourcemap that doesn't contain a
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// respective segment into an original source.
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if (traced == null)
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continue;
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}
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// So we traced a segment down into its original source file. Now push a
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// new segment pointing to this location.
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const { column, line, name, content, source } = traced;
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if (line === lastSourceLine && column === lastSourceColumn && source === lastSource) {
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continue;
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}
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lastSourceLine = line;
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lastSourceColumn = column;
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lastSource = source;
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// Sigh, TypeScript can't figure out source/line/column are either all null, or all non-null...
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addSegment(gen, i, genCol, source, line, column, name);
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if (content != null)
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setSourceContent(gen, source, content);
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}
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}
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return gen;
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}
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/**
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* originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
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* child SourceMapTrees, until we find the original source map.
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*/
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function originalPositionFor(source, line, column, name) {
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if (!source.map) {
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return { column, line, name, source: source.source, content: source.content };
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}
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const segment = traceSegment(source.map, line, column);
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// If we couldn't find a segment, then this doesn't exist in the sourcemap.
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if (segment == null)
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return null;
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// 1-length segments only move the current generated column, there's no source information
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// to gather from it.
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if (segment.length === 1)
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return SOURCELESS_MAPPING;
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return originalPositionFor(source.sources[segment[1]], segment[2], segment[3], segment.length === 5 ? source.map.names[segment[4]] : name);
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}
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function asArray(value) {
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if (Array.isArray(value))
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return value;
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return [value];
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}
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/**
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* Recursively builds a tree structure out of sourcemap files, with each node
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* being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
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* `OriginalSource`s and `SourceMapTree`s.
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*
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* Every sourcemap is composed of a collection of source files and mappings
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* into locations of those source files. When we generate a `SourceMapTree` for
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* the sourcemap, we attempt to load each source file's own sourcemap. If it
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* does not have an associated sourcemap, it is considered an original,
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* unmodified source file.
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*/
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function buildSourceMapTree(input, loader) {
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const maps = asArray(input).map((m) => new TraceMap(m, ''));
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const map = maps.pop();
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for (let i = 0; i < maps.length; i++) {
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if (maps[i].sources.length > 1) {
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throw new Error(`Transformation map ${i} must have exactly one source file.\n` +
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'Did you specify these with the most recent transformation maps first?');
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}
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}
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let tree = build(map, loader, '', 0);
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for (let i = maps.length - 1; i >= 0; i--) {
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tree = MapSource(maps[i], [tree]);
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}
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return tree;
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}
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function build(map, loader, importer, importerDepth) {
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const { resolvedSources, sourcesContent } = map;
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const depth = importerDepth + 1;
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const children = resolvedSources.map((sourceFile, i) => {
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// The loading context gives the loader more information about why this file is being loaded
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// (eg, from which importer). It also allows the loader to override the location of the loaded
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// sourcemap/original source, or to override the content in the sourcesContent field if it's
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// an unmodified source file.
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const ctx = {
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importer,
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depth,
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source: sourceFile || '',
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content: undefined,
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};
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// Use the provided loader callback to retrieve the file's sourcemap.
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// TODO: We should eventually support async loading of sourcemap files.
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const sourceMap = loader(ctx.source, ctx);
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const { source, content } = ctx;
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// If there is a sourcemap, then we need to recurse into it to load its source files.
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if (sourceMap)
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return build(new TraceMap(sourceMap, source), loader, source, depth);
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// Else, it's an an unmodified source file.
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// The contents of this unmodified source file can be overridden via the loader context,
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// allowing it to be explicitly null or a string. If it remains undefined, we fall back to
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// the importing sourcemap's `sourcesContent` field.
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const sourceContent = content !== undefined ? content : sourcesContent ? sourcesContent[i] : null;
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return OriginalSource(source, sourceContent);
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});
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return MapSource(map, children);
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}
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/**
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* A SourceMap v3 compatible sourcemap, which only includes fields that were
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* provided to it.
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*/
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class SourceMap {
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constructor(map, options) {
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const out = options.decodedMappings ? decodedMap(map) : encodedMap(map);
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this.version = out.version; // SourceMap spec says this should be first.
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this.file = out.file;
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this.mappings = out.mappings;
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this.names = out.names;
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this.sourceRoot = out.sourceRoot;
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this.sources = out.sources;
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if (!options.excludeContent) {
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this.sourcesContent = out.sourcesContent;
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}
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}
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toString() {
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return JSON.stringify(this);
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}
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}
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/**
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* Traces through all the mappings in the root sourcemap, through the sources
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* (and their sourcemaps), all the way back to the original source location.
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*
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* `loader` will be called every time we encounter a source file. If it returns
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* a sourcemap, we will recurse into that sourcemap to continue the trace. If
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* it returns a falsey value, that source file is treated as an original,
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* unmodified source file.
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*
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* Pass `excludeContent` to exclude any self-containing source file content
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* from the output sourcemap.
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*
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* Pass `decodedMappings` to receive a SourceMap with decoded (instead of
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* VLQ encoded) mappings.
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*/
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function remapping(input, loader, options) {
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const opts = typeof options === 'object' ? options : { excludeContent: !!options, decodedMappings: false };
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const tree = buildSourceMapTree(input, loader);
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return new SourceMap(traceMappings(tree), opts);
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}
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export { remapping as default };
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//# sourceMappingURL=remapping.mjs.map
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+1
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{"version":3,"file":"remapping.mjs","sources":["../../src/source-map-tree.ts","../../src/build-source-map-tree.ts","../../src/source-map.ts","../../src/remapping.ts"],"sourcesContent":[null,null,null,null],"names":[],"mappings":";;;AAqBA,MAAM,kBAAkB,GAAG;AACzB,IAAA,MAAM,EAAE,IAAI;AACZ,IAAA,MAAM,EAAE,IAAI;AACZ,IAAA,IAAI,EAAE,IAAI;AACV,IAAA,IAAI,EAAE,IAAI;AACV,IAAA,OAAO,EAAE,IAAI;CACd,CAAC;AACF,MAAM,aAAa,GAAc,EAAE,CAAC;AAkBpC,SAAS,MAAM,CACb,GAAoB,EACpB,OAAkB,EAClB,MAAc,EACd,OAAsB,EAAA;IAEtB,OAAO;QACL,GAAG;QACH,OAAO;QACP,MAAM;QACN,OAAO;KACD,CAAC;AACX,CAAC;AAED;;;AAGG;AACa,SAAA,SAAS,CAAC,GAAa,EAAE,OAAkB,EAAA;IACzD,OAAO,MAAM,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE,EAAE,IAAI,CAAC,CAAC;AACxC,CAAC;AAED;;;AAGG;AACa,SAAA,cAAc,CAAC,MAAc,EAAE,OAAsB,EAAA;IACnE,OAAO,MAAM,CAAC,IAAI,EAAE,aAAa,EAAE,MAAM,EAAE,OAAO,CAAC,CAAC;AACtD,CAAC;AAED;;;AAGG;AACG,SAAU,aAAa,CAAC,IAAe,EAAA;AAC3C,IAAA,MAAM,GAAG,GAAG,IAAI,UAAU,CAAC,EAAE,IAAI,EAAE,IAAI,CAAC,GAAG,CAAC,IAAI,EAAE,CAAC,CAAC;IACpD,MAAM,EAAE,OAAO,EAAE,WAAW,EAAE,GAAG,EAAE,GAAG,IAAI,CAAC;AAC3C,IAAA,MAAM,SAAS,GAAG,GAAG,CAAC,KAAK,CAAC;AAC5B,IAAA,MAAM,YAAY,GAAG,eAAe,CAAC,GAAG,CAAC,CAAC;AAE1C,IAAA,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,YAAY,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;AAC5C,QAAA,MAAM,QAAQ,GAAG,YAAY,CAAC,CAAC,CAAC,CAAC;QAEjC,IAAI,UAAU,GAAG,IAAI,CAAC;QACtB,IAAI,cAAc,GAAG,IAAI,CAAC;QAC1B,IAAI,gBAAgB,GAAG,IAAI,CAAC;AAE5B,QAAA,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,QAAQ,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;AACxC,YAAA,MAAM,OAAO,GAAG,QAAQ,CAAC,CAAC,CAAC,CAAC;AAC5B,YAAA,MAAM,MAAM,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;YAC1B,IAAI,MAAM,GAAkC,kBAAkB,CAAC;;;AAI/D,YAAA,IAAI,OAAO,CAAC,MAAM,KAAK,CAAC,EAAE;gBACxB,MAAM,MAAM,GAAG,WAAW,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;AACvC,gBAAA,MAAM,GAAG,mBAAmB,CAC1B,MAAM,EACN,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,MAAM,KAAK,CAAC,GAAG,SAAS,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,GAAG,EAAE,CAClD,CAAC;;;gBAIF,IAAI,MAAM,IAAI,IAAI;oBAAE,SAAS;AAC9B,aAAA;;;AAID,YAAA,MAAM,EAAE,MAAM,EAAE,IAAI,EAAE,IAAI,EAAE,OAAO,EAAE,MAAM,EAAE,GAAG,MAAM,CAAC;YACvD,IAAI,IAAI,KAAK,cAAc,IAAI,MAAM,KAAK,gBAAgB,IAAI,MAAM,KAAK,UAAU,EAAE;gBACnF,SAAS;AACV,aAAA;YACD,cAAc,GAAG,IAAI,CAAC;YACtB,gBAAgB,GAAG,MAAM,CAAC;YAC1B,UAAU,GAAG,MAAM,CAAC;;AAGnB,YAAA,UAAkB,CAAC,GAAG,EAAE,CAAC,EAAE,MAAM,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAE,IAAI,CAAC,CAAC;YAChE,IAAI,OAAO,IAAI,IAAI;AAAE,gBAAA,gBAAgB,CAAC,GAAG,EAAE,MAAM,EAAE,OAAO,CAAC,CAAC;AAC7D,SAAA;AACF,KAAA;AAED,IAAA,OAAO,GAAG,CAAC;AACb,CAAC;AAED;;;AAGG;AACG,SAAU,mBAAmB,CACjC,MAAe,EACf,IAAY,EACZ,MAAc,EACd,IAAY,EAAA;AAEZ,IAAA,IAAI,CAAC,MAAM,CAAC,GAAG,EAAE;AACf,QAAA,OAAO,EAAE,MAAM,EAAE,IAAI,EAAE,IAAI,EAAE,MAAM,EAAE,MAAM,CAAC,MAAM,EAAE,OAAO,EAAE,MAAM,CAAC,OAAO,EAAE,CAAC;AAC/E,KAAA;AAED,IAAA,MAAM,OAAO,GAAG,YAAY,CAAC,MAAM,CAAC,GAAG,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;;IAGvD,IAAI,OAAO,IAAI,IAAI;AAAE,QAAA,OAAO,IAAI,CAAC;;;AAGjC,IAAA,IAAI,OAAO,CAAC,MAAM,KAAK,CAAC;AAAE,QAAA,OAAO,kBAAkB,CAAC;IAEpD,OAAO,mBAAmB,CACxB,MAAM,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,EAC1B,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,MAAM,KAAK,CAAC,GAAG,MAAM,CAAC,GAAG,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,GAAG,IAAI,CAC3D,CAAC;AACJ;;AC1JA,SAAS,OAAO,CAAI,KAAc,EAAA;AAChC,IAAA,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC;AAAE,QAAA,OAAO,KAAK,CAAC;IACvC,OAAO,CAAC,KAAK,CAAC,CAAC;AACjB,CAAC;AAED;;;;;;;;;;AAUG;AACW,SAAU,kBAAkB,CACxC,KAAwC,EACxC,MAAuB,EAAA;IAEvB,MAAM,IAAI,GAAG,OAAO,CAAC,KAAK,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,KAAK,IAAI,QAAQ,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC;AAC5D,IAAA,MAAM,GAAG,GAAG,IAAI,CAAC,GAAG,EAAG,CAAC;AAExB,IAAA,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;QACpC,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,MAAM,GAAG,CAAC,EAAE;AAC9B,YAAA,MAAM,IAAI,KAAK,CACb,CAAA,mBAAA,EAAsB,CAAC,CAAuC,qCAAA,CAAA;AAC5D,gBAAA,uEAAuE,CAC1E,CAAC;AACH,SAAA;AACF,KAAA;AAED,IAAA,IAAI,IAAI,GAAG,KAAK,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC,CAAC,CAAC;AACrC,IAAA,KAAK,IAAI,CAAC,GAAG,IAAI,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,IAAI,CAAC,EAAE,CAAC,EAAE,EAAE;AACzC,QAAA,IAAI,GAAG,SAAS,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,CAAC;AACnC,KAAA;AACD,IAAA,OAAO,IAAI,CAAC;AACd,CAAC;AAED,SAAS,KAAK,CACZ,GAAa,EACb,MAAuB,EACvB,QAAgB,EAChB,aAAqB,EAAA;AAErB,IAAA,MAAM,EAAE,eAAe,EAAE,cAAc,EAAE,GAAG,GAAG,CAAC;AAEhD,IAAA,MAAM,KAAK,GAAG,aAAa,GAAG,CAAC,CAAC;IAChC,MAAM,QAAQ,GAAG,eAAe,CAAC,GAAG,CAAC,CAAC,UAAyB,EAAE,CAAS,KAAa;;;;;AAKrF,QAAA,MAAM,GAAG,GAAkB;YACzB,QAAQ;YACR,KAAK;YACL,MAAM,EAAE,UAAU,IAAI,EAAE;AACxB,YAAA,OAAO,EAAE,SAAS;SACnB,CAAC;;;QAIF,MAAM,SAAS,GAAG,MAAM,CAAC,GAAG,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;AAE1C,QAAA,MAAM,EAAE,MAAM,EAAE,OAAO,EAAE,GAAG,GAAG,CAAC;;AAGhC,QAAA,IAAI,SAAS;AAAE,YAAA,OAAO,KAAK,CAAC,IAAI,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EAAE,MAAM,EAAE,MAAM,EAAE,KAAK,CAAC,CAAC;;;;;QAMpF,MAAM,aAAa,GACjB,OAAO,KAAK,SAAS,GAAG,OAAO,GAAG,cAAc,GAAG,cAAc,CAAC,CAAC,CAAC,GAAG,IAAI,CAAC;AAC9E,QAAA,OAAO,cAAc,CAAC,MAAM,EAAE,aAAa,CAAC,CAAC;AAC/C,KAAC,CAAC,CAAC;AAEH,IAAA,OAAO,SAAS,CAAC,GAAG,EAAE,QAAQ,CAAC,CAAC;AAClC;;ACjFA;;;AAGG;AACW,MAAO,SAAS,CAAA;IAS5B,WAAY,CAAA,GAAe,EAAE,OAAgB,EAAA;AAC3C,QAAA,MAAM,GAAG,GAAG,OAAO,CAAC,eAAe,GAAG,UAAU,CAAC,GAAG,Line truncated
|
||||
+209
@@ -0,0 +1,209 @@
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||||
(function (global, factory) {
|
||||
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@jridgewell/trace-mapping'), require('@jridgewell/gen-mapping')) :
|
||||
typeof define === 'function' && define.amd ? define(['@jridgewell/trace-mapping', '@jridgewell/gen-mapping'], factory) :
|
||||
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.remapping = factory(global.traceMapping, global.genMapping));
|
||||
})(this, (function (traceMapping, genMapping) { 'use strict';
|
||||
|
||||
const SOURCELESS_MAPPING = {
|
||||
source: null,
|
||||
column: null,
|
||||
line: null,
|
||||
name: null,
|
||||
content: null,
|
||||
};
|
||||
const EMPTY_SOURCES = [];
|
||||
function Source(map, sources, source, content) {
|
||||
return {
|
||||
map,
|
||||
sources,
|
||||
source,
|
||||
content,
|
||||
};
|
||||
}
|
||||
/**
|
||||
* MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
|
||||
* (which may themselves be SourceMapTrees).
|
||||
*/
|
||||
function MapSource(map, sources) {
|
||||
return Source(map, sources, '', null);
|
||||
}
|
||||
/**
|
||||
* A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
|
||||
* segment tracing ends at the `OriginalSource`.
|
||||
*/
|
||||
function OriginalSource(source, content) {
|
||||
return Source(null, EMPTY_SOURCES, source, content);
|
||||
}
|
||||
/**
|
||||
* traceMappings is only called on the root level SourceMapTree, and begins the process of
|
||||
* resolving each mapping in terms of the original source files.
|
||||
*/
|
||||
function traceMappings(tree) {
|
||||
const gen = new genMapping.GenMapping({ file: tree.map.file });
|
||||
const { sources: rootSources, map } = tree;
|
||||
const rootNames = map.names;
|
||||
const rootMappings = traceMapping.decodedMappings(map);
|
||||
for (let i = 0; i < rootMappings.length; i++) {
|
||||
const segments = rootMappings[i];
|
||||
let lastSource = null;
|
||||
let lastSourceLine = null;
|
||||
let lastSourceColumn = null;
|
||||
for (let j = 0; j < segments.length; j++) {
|
||||
const segment = segments[j];
|
||||
const genCol = segment[0];
|
||||
let traced = SOURCELESS_MAPPING;
|
||||
// 1-length segments only move the current generated column, there's no source information
|
||||
// to gather from it.
|
||||
if (segment.length !== 1) {
|
||||
const source = rootSources[segment[1]];
|
||||
traced = originalPositionFor(source, segment[2], segment[3], segment.length === 5 ? rootNames[segment[4]] : '');
|
||||
// If the trace is invalid, then the trace ran into a sourcemap that doesn't contain a
|
||||
// respective segment into an original source.
|
||||
if (traced == null)
|
||||
continue;
|
||||
}
|
||||
// So we traced a segment down into its original source file. Now push a
|
||||
// new segment pointing to this location.
|
||||
const { column, line, name, content, source } = traced;
|
||||
if (line === lastSourceLine && column === lastSourceColumn && source === lastSource) {
|
||||
continue;
|
||||
}
|
||||
lastSourceLine = line;
|
||||
lastSourceColumn = column;
|
||||
lastSource = source;
|
||||
// Sigh, TypeScript can't figure out source/line/column are either all null, or all non-null...
|
||||
genMapping.addSegment(gen, i, genCol, source, line, column, name);
|
||||
if (content != null)
|
||||
genMapping.setSourceContent(gen, source, content);
|
||||
}
|
||||
}
|
||||
return gen;
|
||||
}
|
||||
/**
|
||||
* originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
|
||||
* child SourceMapTrees, until we find the original source map.
|
||||
*/
|
||||
function originalPositionFor(source, line, column, name) {
|
||||
if (!source.map) {
|
||||
return { column, line, name, source: source.source, content: source.content };
|
||||
}
|
||||
const segment = traceMapping.traceSegment(source.map, line, column);
|
||||
// If we couldn't find a segment, then this doesn't exist in the sourcemap.
|
||||
if (segment == null)
|
||||
return null;
|
||||
// 1-length segments only move the current generated column, there's no source information
|
||||
// to gather from it.
|
||||
if (segment.length === 1)
|
||||
return SOURCELESS_MAPPING;
|
||||
return originalPositionFor(source.sources[segment[1]], segment[2], segment[3], segment.length === 5 ? source.map.names[segment[4]] : name);
|
||||
}
|
||||
|
||||
function asArray(value) {
|
||||
if (Array.isArray(value))
|
||||
return value;
|
||||
return [value];
|
||||
}
|
||||
/**
|
||||
* Recursively builds a tree structure out of sourcemap files, with each node
|
||||
* being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
|
||||
* `OriginalSource`s and `SourceMapTree`s.
|
||||
*
|
||||
* Every sourcemap is composed of a collection of source files and mappings
|
||||
* into locations of those source files. When we generate a `SourceMapTree` for
|
||||
* the sourcemap, we attempt to load each source file's own sourcemap. If it
|
||||
* does not have an associated sourcemap, it is considered an original,
|
||||
* unmodified source file.
|
||||
*/
|
||||
function buildSourceMapTree(input, loader) {
|
||||
const maps = asArray(input).map((m) => new traceMapping.TraceMap(m, ''));
|
||||
const map = maps.pop();
|
||||
for (let i = 0; i < maps.length; i++) {
|
||||
if (maps[i].sources.length > 1) {
|
||||
throw new Error(`Transformation map ${i} must have exactly one source file.\n` +
|
||||
'Did you specify these with the most recent transformation maps first?');
|
||||
}
|
||||
}
|
||||
let tree = build(map, loader, '', 0);
|
||||
for (let i = maps.length - 1; i >= 0; i--) {
|
||||
tree = MapSource(maps[i], [tree]);
|
||||
}
|
||||
return tree;
|
||||
}
|
||||
function build(map, loader, importer, importerDepth) {
|
||||
const { resolvedSources, sourcesContent } = map;
|
||||
const depth = importerDepth + 1;
|
||||
const children = resolvedSources.map((sourceFile, i) => {
|
||||
// The loading context gives the loader more information about why this file is being loaded
|
||||
// (eg, from which importer). It also allows the loader to override the location of the loaded
|
||||
// sourcemap/original source, or to override the content in the sourcesContent field if it's
|
||||
// an unmodified source file.
|
||||
const ctx = {
|
||||
importer,
|
||||
depth,
|
||||
source: sourceFile || '',
|
||||
content: undefined,
|
||||
};
|
||||
// Use the provided loader callback to retrieve the file's sourcemap.
|
||||
// TODO: We should eventually support async loading of sourcemap files.
|
||||
const sourceMap = loader(ctx.source, ctx);
|
||||
const { source, content } = ctx;
|
||||
// If there is a sourcemap, then we need to recurse into it to load its source files.
|
||||
if (sourceMap)
|
||||
return build(new traceMapping.TraceMap(sourceMap, source), loader, source, depth);
|
||||
// Else, it's an an unmodified source file.
|
||||
// The contents of this unmodified source file can be overridden via the loader context,
|
||||
// allowing it to be explicitly null or a string. If it remains undefined, we fall back to
|
||||
// the importing sourcemap's `sourcesContent` field.
|
||||
const sourceContent = content !== undefined ? content : sourcesContent ? sourcesContent[i] : null;
|
||||
return OriginalSource(source, sourceContent);
|
||||
});
|
||||
return MapSource(map, children);
|
||||
}
|
||||
|
||||
/**
|
||||
* A SourceMap v3 compatible sourcemap, which only includes fields that were
|
||||
* provided to it.
|
||||
*/
|
||||
class SourceMap {
|
||||
constructor(map, options) {
|
||||
const out = options.decodedMappings ? genMapping.decodedMap(map) : genMapping.encodedMap(map);
|
||||
this.version = out.version; // SourceMap spec says this should be first.
|
||||
this.file = out.file;
|
||||
this.mappings = out.mappings;
|
||||
this.names = out.names;
|
||||
this.sourceRoot = out.sourceRoot;
|
||||
this.sources = out.sources;
|
||||
if (!options.excludeContent) {
|
||||
this.sourcesContent = out.sourcesContent;
|
||||
}
|
||||
}
|
||||
toString() {
|
||||
return JSON.stringify(this);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Traces through all the mappings in the root sourcemap, through the sources
|
||||
* (and their sourcemaps), all the way back to the original source location.
|
||||
*
|
||||
* `loader` will be called every time we encounter a source file. If it returns
|
||||
* a sourcemap, we will recurse into that sourcemap to continue the trace. If
|
||||
* it returns a falsey value, that source file is treated as an original,
|
||||
* unmodified source file.
|
||||
*
|
||||
* Pass `excludeContent` to exclude any self-containing source file content
|
||||
* from the output sourcemap.
|
||||
*
|
||||
* Pass `decodedMappings` to receive a SourceMap with decoded (instead of
|
||||
* VLQ encoded) mappings.
|
||||
*/
|
||||
function remapping(input, loader, options) {
|
||||
const opts = typeof options === 'object' ? options : { excludeContent: !!options, decodedMappings: false };
|
||||
const tree = buildSourceMapTree(input, loader);
|
||||
return new SourceMap(traceMappings(tree), opts);
|
||||
}
|
||||
|
||||
return remapping;
|
||||
|
||||
}));
|
||||
//# sourceMappingURL=remapping.umd.js.map
|
||||
+1
@@ -0,0 +1 @@
|
||||
{"version":3,"file":"remapping.umd.js","sources":["../../src/source-map-tree.ts","../../src/build-source-map-tree.ts","../../src/source-map.ts","../../src/remapping.ts"],"sourcesContent":[null,null,null,null],"names":["GenMapping","decodedMappings","addSegment","setSourceContent","traceSegment","TraceMap","decodedMap","encodedMap"],"mappings":";;;;;;IAqBA,MAAM,kBAAkB,GAAG;IACzB,IAAA,MAAM,EAAE,IAAI;IACZ,IAAA,MAAM,EAAE,IAAI;IACZ,IAAA,IAAI,EAAE,IAAI;IACV,IAAA,IAAI,EAAE,IAAI;IACV,IAAA,OAAO,EAAE,IAAI;KACd,CAAC;IACF,MAAM,aAAa,GAAc,EAAE,CAAC;IAkBpC,SAAS,MAAM,CACb,GAAoB,EACpB,OAAkB,EAClB,MAAc,EACd,OAAsB,EAAA;QAEtB,OAAO;YACL,GAAG;YACH,OAAO;YACP,MAAM;YACN,OAAO;SACD,CAAC;IACX,CAAC;IAED;;;IAGG;IACa,SAAA,SAAS,CAAC,GAAa,EAAE,OAAkB,EAAA;QACzD,OAAO,MAAM,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE,EAAE,IAAI,CAAC,CAAC;IACxC,CAAC;IAED;;;IAGG;IACa,SAAA,cAAc,CAAC,MAAc,EAAE,OAAsB,EAAA;QACnE,OAAO,MAAM,CAAC,IAAI,EAAE,aAAa,EAAE,MAAM,EAAE,OAAO,CAAC,CAAC;IACtD,CAAC;IAED;;;IAGG;IACG,SAAU,aAAa,CAAC,IAAe,EAAA;IAC3C,IAAA,MAAM,GAAG,GAAG,IAAIA,qBAAU,CAAC,EAAE,IAAI,EAAE,IAAI,CAAC,GAAG,CAAC,IAAI,EAAE,CAAC,CAAC;QACpD,MAAM,EAAE,OAAO,EAAE,WAAW,EAAE,GAAG,EAAE,GAAG,IAAI,CAAC;IAC3C,IAAA,MAAM,SAAS,GAAG,GAAG,CAAC,KAAK,CAAC;IAC5B,IAAA,MAAM,YAAY,GAAGC,4BAAe,CAAC,GAAG,CAAC,CAAC;IAE1C,IAAA,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,YAAY,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;IAC5C,QAAA,MAAM,QAAQ,GAAG,YAAY,CAAC,CAAC,CAAC,CAAC;YAEjC,IAAI,UAAU,GAAG,IAAI,CAAC;YACtB,IAAI,cAAc,GAAG,IAAI,CAAC;YAC1B,IAAI,gBAAgB,GAAG,IAAI,CAAC;IAE5B,QAAA,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,QAAQ,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;IACxC,YAAA,MAAM,OAAO,GAAG,QAAQ,CAAC,CAAC,CAAC,CAAC;IAC5B,YAAA,MAAM,MAAM,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;gBAC1B,IAAI,MAAM,GAAkC,kBAAkB,CAAC;;;IAI/D,YAAA,IAAI,OAAO,CAAC,MAAM,KAAK,CAAC,EAAE;oBACxB,MAAM,MAAM,GAAG,WAAW,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;IACvC,gBAAA,MAAM,GAAG,mBAAmB,CAC1B,MAAM,EACN,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,MAAM,KAAK,CAAC,GAAG,SAAS,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,GAAG,EAAE,CAClD,CAAC;;;oBAIF,IAAI,MAAM,IAAI,IAAI;wBAAE,SAAS;IAC9B,aAAA;;;IAID,YAAA,MAAM,EAAE,MAAM,EAAE,IAAI,EAAE,IAAI,EAAE,OAAO,EAAE,MAAM,EAAE,GAAG,MAAM,CAAC;gBACvD,IAAI,IAAI,KAAK,cAAc,IAAI,MAAM,KAAK,gBAAgB,IAAI,MAAM,KAAK,UAAU,EAAE;oBACnF,SAAS;IACV,aAAA;gBACD,cAAc,GAAG,IAAI,CAAC;gBACtB,gBAAgB,GAAG,MAAM,CAAC;gBAC1B,UAAU,GAAG,MAAM,CAAC;;IAGnB,YAAAC,qBAAkB,CAAC,GAAG,EAAE,CAAC,EAAE,MAAM,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAE,IAAI,CAAC,CAAC;gBAChE,IAAI,OAAO,IAAI,IAAI;IAAE,gBAAAC,2BAAgB,CAAC,GAAG,EAAE,MAAM,EAAE,OAAO,CAAC,CAAC;IAC7D,SAAA;IACF,KAAA;IAED,IAAA,OAAO,GAAG,CAAC;IACb,CAAC;IAED;;;IAGG;IACG,SAAU,mBAAmB,CACjC,MAAe,EACf,IAAY,EACZ,MAAc,EACd,IAAY,EAAA;IAEZ,IAAA,IAAI,CAAC,MAAM,CAAC,GAAG,EAAE;IACf,QAAA,OAAO,EAAE,MAAM,EAAE,IAAI,EAAE,IAAI,EAAE,MAAM,EAAE,MAAM,CAAC,MAAM,EAAE,OAAO,EAAE,MAAM,CAAC,OAAO,EAAE,CAAC;IAC/E,KAAA;IAED,IAAA,MAAM,OAAO,GAAGC,yBAAY,CAAC,MAAM,CAAC,GAAG,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;;QAGvD,IAAI,OAAO,IAAI,IAAI;IAAE,QAAA,OAAO,IAAI,CAAC;;;IAGjC,IAAA,IAAI,OAAO,CAAC,MAAM,KAAK,CAAC;IAAE,QAAA,OAAO,kBAAkB,CAAC;QAEpD,OAAO,mBAAmB,CACxB,MAAM,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,EAC1B,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,CAAC,CAAC,EACV,OAAO,CAAC,MAAM,KAAK,CAAC,GAAG,MAAM,CAAC,GAAG,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,GAAG,IAAI,CAC3D,CAAC;IACJ;;IC1JA,SAAS,OAAO,CAAI,KAAc,EAAA;IAChC,IAAA,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC;IAAE,QAAA,OAAO,KAAK,CAAC;QACvC,OAAO,CAAC,KAAK,CAAC,CAAC;IACjB,CAAC;IAED;;;;;;;;;;IAUG;IACW,SAAU,kBAAkB,CACxC,KAAwC,EACxC,MAAuB,EAAA;QAEvB,MAAM,IAAI,GAAG,OAAO,CAAC,KAAK,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,KAAK,IAAIC,qBAAQ,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC;IAC5D,IAAA,MAAM,GAAG,GAAG,IAAI,CAAC,GAAG,EAAG,CAAC;IAExB,IAAA,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACpC,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,MAAM,GAAG,CAAC,EAAE;IAC9B,YAAA,MAAM,IAAI,KAAK,CACb,CAAA,mBAAA,EAAsB,CAAC,CAAuC,qCAAA,CAAA;IAC5D,gBAAA,uEAAuE,CAC1E,CAAC;IACH,SAAA;IACF,KAAA;IAED,IAAA,IAAI,IAAI,GAAG,KAAK,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC,CAAC,CAAC;IACrC,IAAA,KAAK,IAAI,CAAC,GAAG,IAAI,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,IAAI,CAAC,EAAE,CAAC,EAAE,EAAE;IACzC,QAAA,IAAI,GAAG,SAAS,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,CAAC;IACnC,KAAA;IACD,IAAA,OAAO,IAAI,CAAC;IACd,CAAC;IAED,SAAS,KAAK,CACZ,GAAa,EACb,MAAuB,EACvB,QAAgB,EAChB,aAAqB,EAAA;IAErB,IAAA,MAAM,EAAE,eAAe,EAAE,cAAc,EAAE,GAAG,GAAG,CAAC;IAEhD,IAAA,MAAM,KAAK,GAAG,aAAa,GAAG,CAAC,CAAC;QAChC,MAAM,QAAQ,GAAG,eAAe,CAAC,GAAG,CAAC,CAAC,UAAyB,EAAE,CAAS,KAAa;;;;;IAKrF,QAAA,MAAM,GAAG,GAAkB;gBACzB,QAAQ;gBACR,KAAK;gBACL,MAAM,EAAE,UAAU,IAAI,EAAE;IACxB,YAAA,OAAO,EAAE,SAAS;aACnB,CAAC;;;YAIF,MAAM,SAAS,GAAG,MAAM,CAAC,GAAG,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;IAE1C,QAAA,MAAM,EAAE,MAAM,EAAE,OAAO,EAAE,GAAG,GAAG,CAAC;;IAGhC,QAAA,IAAI,SAAS;IAAE,YAAA,OAAO,KAAK,CAAC,IAAIA,qBAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EAAE,MAAM,EAAE,MAAM,EAAE,KAAK,CAAC,CAAC;;;;;YAMpF,MAAM,aAAa,GACjB,OAAO,KAAK,SAAS,GAAG,OAAO,GAAG,cAAc,GAAG,cAAc,CAAC,CAAC,CAAC,GAAG,IAAI,CAAC;IAC9E,QAAA,OAAO,cAAc,CAAC,MAAM,EAAE,aAAa,CAAC,CAAC;IAC/C,KAAC,CAAC,CAAC;IAEH,IAAA,OAAO,SAAS,CAAC,GAAG,EAAE,QAAQ,CAAC,CLine truncated
|
||||
Generated
Vendored
+14
@@ -0,0 +1,14 @@
|
||||
import type { MapSource as MapSourceType } from './source-map-tree';
|
||||
import type { SourceMapInput, SourceMapLoader } from './types';
|
||||
/**
|
||||
* Recursively builds a tree structure out of sourcemap files, with each node
|
||||
* being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
|
||||
* `OriginalSource`s and `SourceMapTree`s.
|
||||
*
|
||||
* Every sourcemap is composed of a collection of source files and mappings
|
||||
* into locations of those source files. When we generate a `SourceMapTree` for
|
||||
* the sourcemap, we attempt to load each source file's own sourcemap. If it
|
||||
* does not have an associated sourcemap, it is considered an original,
|
||||
* unmodified source file.
|
||||
*/
|
||||
export default function buildSourceMapTree(input: SourceMapInput | SourceMapInput[], loader: SourceMapLoader): MapSourceType;
|
||||
+19
@@ -0,0 +1,19 @@
|
||||
import SourceMap from './source-map';
|
||||
import type { SourceMapInput, SourceMapLoader, Options } from './types';
|
||||
export type { SourceMapSegment, EncodedSourceMap, EncodedSourceMap as RawSourceMap, DecodedSourceMap, SourceMapInput, SourceMapLoader, LoaderContext, Options, } from './types';
|
||||
/**
|
||||
* Traces through all the mappings in the root sourcemap, through the sources
|
||||
* (and their sourcemaps), all the way back to the original source location.
|
||||
*
|
||||
* `loader` will be called every time we encounter a source file. If it returns
|
||||
* a sourcemap, we will recurse into that sourcemap to continue the trace. If
|
||||
* it returns a falsey value, that source file is treated as an original,
|
||||
* unmodified source file.
|
||||
*
|
||||
* Pass `excludeContent` to exclude any self-containing source file content
|
||||
* from the output sourcemap.
|
||||
*
|
||||
* Pass `decodedMappings` to receive a SourceMap with decoded (instead of
|
||||
* VLQ encoded) mappings.
|
||||
*/
|
||||
export default function remapping(input: SourceMapInput | SourceMapInput[], loader: SourceMapLoader, options?: boolean | Options): SourceMap;
|
||||
+48
@@ -0,0 +1,48 @@
|
||||
import { GenMapping } from '@jridgewell/gen-mapping';
|
||||
import type { TraceMap } from '@jridgewell/trace-mapping';
|
||||
export declare type SourceMapSegmentObject = {
|
||||
column: number;
|
||||
line: number;
|
||||
name: string;
|
||||
source: string;
|
||||
content: string | null;
|
||||
} | {
|
||||
column: null;
|
||||
line: null;
|
||||
name: null;
|
||||
source: null;
|
||||
content: null;
|
||||
};
|
||||
export declare type OriginalSource = {
|
||||
map: TraceMap;
|
||||
sources: Sources[];
|
||||
source: string;
|
||||
content: string | null;
|
||||
};
|
||||
export declare type MapSource = {
|
||||
map: TraceMap;
|
||||
sources: Sources[];
|
||||
source: string;
|
||||
content: string | null;
|
||||
};
|
||||
export declare type Sources = OriginalSource | MapSource;
|
||||
/**
|
||||
* MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
|
||||
* (which may themselves be SourceMapTrees).
|
||||
*/
|
||||
export declare function MapSource(map: TraceMap, sources: Sources[]): MapSource;
|
||||
/**
|
||||
* A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
|
||||
* segment tracing ends at the `OriginalSource`.
|
||||
*/
|
||||
export declare function OriginalSource(source: string, content: string | null): OriginalSource;
|
||||
/**
|
||||
* traceMappings is only called on the root level SourceMapTree, and begins the process of
|
||||
* resolving each mapping in terms of the original source files.
|
||||
*/
|
||||
export declare function traceMappings(tree: MapSource): GenMapping;
|
||||
/**
|
||||
* originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
|
||||
* child SourceMapTrees, until we find the original source map.
|
||||
*/
|
||||
export declare function originalPositionFor(source: Sources, line: number, column: number, name: string): SourceMapSegmentObject | null;
|
||||
+17
@@ -0,0 +1,17 @@
|
||||
import type { GenMapping } from '@jridgewell/gen-mapping';
|
||||
import type { DecodedSourceMap, EncodedSourceMap, Options } from './types';
|
||||
/**
|
||||
* A SourceMap v3 compatible sourcemap, which only includes fields that were
|
||||
* provided to it.
|
||||
*/
|
||||
export default class SourceMap {
|
||||
file?: string | null;
|
||||
mappings: EncodedSourceMap['mappings'] | DecodedSourceMap['mappings'];
|
||||
sourceRoot?: string;
|
||||
names: string[];
|
||||
sources: (string | null)[];
|
||||
sourcesContent?: (string | null)[];
|
||||
version: 3;
|
||||
constructor(map: GenMapping, options: Options);
|
||||
toString(): string;
|
||||
}
|
||||
+14
@@ -0,0 +1,14 @@
|
||||
import type { SourceMapInput } from '@jridgewell/trace-mapping';
|
||||
export type { SourceMapSegment, DecodedSourceMap, EncodedSourceMap, } from '@jridgewell/trace-mapping';
|
||||
export type { SourceMapInput };
|
||||
export declare type LoaderContext = {
|
||||
readonly importer: string;
|
||||
readonly depth: number;
|
||||
source: string;
|
||||
content: string | null | undefined;
|
||||
};
|
||||
export declare type SourceMapLoader = (file: string, ctx: LoaderContext) => SourceMapInput | null | undefined | void;
|
||||
export declare type Options = {
|
||||
excludeContent?: boolean;
|
||||
decodedMappings?: boolean;
|
||||
};
|
||||
Reference in new issue
Block a user