| 1 | import { AnyMap, encodedMappings, originalPositionFor, generatedPositionFor, allGeneratedPositionsFor, sourceContentFor, eachMapping } from '@jridgewell/trace-mapping';
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| 2 | import { GenMapping, fromMap, maybeAddMapping, setSourceContent, toEncodedMap, toDecodedMap } from '@jridgewell/gen-mapping';
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| 3 |
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| 4 | class SourceMapConsumer {
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| 5 | constructor(map, mapUrl) {
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| 6 | const trace = (this._map = new AnyMap(map, mapUrl));
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| 7 | this.file = trace.file;
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| 8 | this.names = trace.names;
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| 9 | this.sourceRoot = trace.sourceRoot;
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| 10 | this.sources = trace.resolvedSources;
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| 11 | this.sourcesContent = trace.sourcesContent;
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| 12 | this.version = trace.version;
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| 13 | }
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| 14 | static fromSourceMap(map, mapUrl) {
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| 15 | // This is more performant if we receive
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| 16 | // a @jridgewell/source-map SourceMapGenerator
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| 17 | if (map.toDecodedMap) {
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| 18 | return new SourceMapConsumer(map.toDecodedMap(), mapUrl);
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| 19 | }
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| 20 | // This is a fallback for `source-map` and `source-map-js`
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| 21 | return new SourceMapConsumer(map.toJSON(), mapUrl);
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| 22 | }
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| 23 | get mappings() {
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| 24 | return encodedMappings(this._map);
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| 25 | }
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| 26 | originalPositionFor(needle) {
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| 27 | return originalPositionFor(this._map, needle);
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| 28 | }
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| 29 | generatedPositionFor(originalPosition) {
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| 30 | return generatedPositionFor(this._map, originalPosition);
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| 31 | }
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| 32 | allGeneratedPositionsFor(originalPosition) {
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| 33 | return allGeneratedPositionsFor(this._map, originalPosition);
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| 34 | }
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| 35 | hasContentsOfAllSources() {
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| 36 | if (!this.sourcesContent || this.sourcesContent.length !== this.sources.length) {
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| 37 | return false;
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| 38 | }
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| 39 | for (const content of this.sourcesContent) {
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| 40 | if (content == null) {
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| 41 | return false;
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| 42 | }
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| 43 | }
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| 44 | return true;
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| 45 | }
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| 46 | sourceContentFor(source, nullOnMissing) {
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| 47 | const sourceContent = sourceContentFor(this._map, source);
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| 48 | if (sourceContent != null) {
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| 49 | return sourceContent;
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| 50 | }
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| 51 | if (nullOnMissing) {
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| 52 | return null;
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| 53 | }
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| 54 | throw new Error(`"${source}" is not in the SourceMap.`);
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| 55 | }
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| 56 | eachMapping(callback, context /*, order?: number*/) {
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| 57 | // order is ignored as @jridgewell/trace-map doesn't implement it
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| 58 | eachMapping(this._map, context ? callback.bind(context) : callback);
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| 59 | }
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| 60 | destroy() {
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| 61 | // noop.
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| 62 | }
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| 63 | }
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| 64 | class SourceMapGenerator {
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| 65 | constructor(opts) {
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| 66 | // TODO :: should this be duck-typed ?
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| 67 | this._map = opts instanceof GenMapping ? opts : new GenMapping(opts);
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| 68 | }
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| 69 | static fromSourceMap(consumer) {
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| 70 | return new SourceMapGenerator(fromMap(consumer));
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| 71 | }
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| 72 | addMapping(mapping) {
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| 73 | maybeAddMapping(this._map, mapping);
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| 74 | }
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| 75 | setSourceContent(source, content) {
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| 76 | setSourceContent(this._map, source, content);
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| 77 | }
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| 78 | toJSON() {
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| 79 | return toEncodedMap(this._map);
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| 80 | }
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| 81 | toString() {
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| 82 | return JSON.stringify(this.toJSON());
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| 83 | }
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| 84 | toDecodedMap() {
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| 85 | return toDecodedMap(this._map);
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| 86 | }
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| 87 | }
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| 88 |
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| 89 | export { SourceMapConsumer, SourceMapGenerator };
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| 90 | //# sourceMappingURL=source-map.mjs.map
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