summaryrefslogtreecommitdiff
path: root/node_modules/@jridgewell/remapping/dist/remapping.mjs
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/@jridgewell/remapping/dist/remapping.mjs')
-rw-r--r--node_modules/@jridgewell/remapping/dist/remapping.mjs144
1 files changed, 144 insertions, 0 deletions
diff --git a/node_modules/@jridgewell/remapping/dist/remapping.mjs b/node_modules/@jridgewell/remapping/dist/remapping.mjs
new file mode 100644
index 0000000..8b7009c
--- /dev/null
+++ b/node_modules/@jridgewell/remapping/dist/remapping.mjs
@@ -0,0 +1,144 @@
+// src/build-source-map-tree.ts
+import { TraceMap } from "@jridgewell/trace-mapping";
+
+// src/source-map-tree.ts
+import { GenMapping, maybeAddSegment, setIgnore, setSourceContent } from "@jridgewell/gen-mapping";
+import { traceSegment, decodedMappings } from "@jridgewell/trace-mapping";
+var SOURCELESS_MAPPING = /* @__PURE__ */ SegmentObject("", -1, -1, "", null, false);
+var EMPTY_SOURCES = [];
+function SegmentObject(source, line, column, name, content, ignore) {
+ return { source, line, column, name, content, ignore };
+}
+function Source(map, sources, source, content, ignore) {
+ return {
+ map,
+ sources,
+ source,
+ content,
+ ignore
+ };
+}
+function MapSource(map, sources) {
+ return Source(map, sources, "", null, false);
+}
+function OriginalSource(source, content, ignore) {
+ return Source(null, EMPTY_SOURCES, source, content, ignore);
+}
+function traceMappings(tree) {
+ const gen = new GenMapping({ file: tree.map.file });
+ const { sources: rootSources, map } = tree;
+ const rootNames = map.names;
+ const rootMappings = decodedMappings(map);
+ for (let i = 0; i < rootMappings.length; i++) {
+ const segments = rootMappings[i];
+ for (let j = 0; j < segments.length; j++) {
+ const segment = segments[j];
+ const genCol = segment[0];
+ let traced = SOURCELESS_MAPPING;
+ if (segment.length !== 1) {
+ const source2 = rootSources[segment[1]];
+ traced = originalPositionFor(
+ source2,
+ segment[2],
+ segment[3],
+ segment.length === 5 ? rootNames[segment[4]] : ""
+ );
+ if (traced == null) continue;
+ }
+ const { column, line, name, content, source, ignore } = traced;
+ maybeAddSegment(gen, i, genCol, source, line, column, name);
+ if (source && content != null) setSourceContent(gen, source, content);
+ if (ignore) setIgnore(gen, source, true);
+ }
+ }
+ return gen;
+}
+function originalPositionFor(source, line, column, name) {
+ if (!source.map) {
+ return SegmentObject(source.source, line, column, name, source.content, source.ignore);
+ }
+ const segment = traceSegment(source.map, line, column);
+ if (segment == null) return null;
+ 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
+ );
+}
+
+// src/build-source-map-tree.ts
+function asArray(value) {
+ if (Array.isArray(value)) return value;
+ return [value];
+}
+function buildSourceMapTree(input, loader) {
+ const maps = asArray(input).map((m) => new 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.
+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, ignoreList } = map;
+ const depth = importerDepth + 1;
+ const children = resolvedSources.map((sourceFile, i) => {
+ const ctx = {
+ importer,
+ depth,
+ source: sourceFile || "",
+ content: void 0,
+ ignore: void 0
+ };
+ const sourceMap = loader(ctx.source, ctx);
+ const { source, content, ignore } = ctx;
+ if (sourceMap) return build(new TraceMap(sourceMap, source), loader, source, depth);
+ const sourceContent = content !== void 0 ? content : sourcesContent ? sourcesContent[i] : null;
+ const ignored = ignore !== void 0 ? ignore : ignoreList ? ignoreList.includes(i) : false;
+ return OriginalSource(source, sourceContent, ignored);
+ });
+ return MapSource(map, children);
+}
+
+// src/source-map.ts
+import { toDecodedMap, toEncodedMap } from "@jridgewell/gen-mapping";
+var SourceMap = class {
+ constructor(map, options) {
+ const out = options.decodedMappings ? toDecodedMap(map) : toEncodedMap(map);
+ this.version = out.version;
+ this.file = out.file;
+ this.mappings = out.mappings;
+ this.names = out.names;
+ this.ignoreList = out.ignoreList;
+ this.sourceRoot = out.sourceRoot;
+ this.sources = out.sources;
+ if (!options.excludeContent) {
+ this.sourcesContent = out.sourcesContent;
+ }
+ }
+ toString() {
+ return JSON.stringify(this);
+ }
+};
+
+// src/remapping.ts
+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);
+}
+export {
+ remapping as default
+};
+//# sourceMappingURL=remapping.mjs.map