293 lines
7.8 KiB
JavaScript
293 lines
7.8 KiB
JavaScript
// src/set-array.ts
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var SetArray = class {
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constructor() {
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this._indexes = { __proto__: null };
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this.array = [];
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}
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};
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function cast(set) {
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return set;
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}
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function get(setarr, key) {
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return cast(setarr)._indexes[key];
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}
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function put(setarr, key) {
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const index = get(setarr, key);
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if (index !== void 0) return index;
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const { array, _indexes: indexes } = cast(setarr);
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const length = array.push(key);
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return indexes[key] = length - 1;
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}
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function remove(setarr, key) {
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const index = get(setarr, key);
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if (index === void 0) return;
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const { array, _indexes: indexes } = cast(setarr);
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for (let i = index + 1; i < array.length; i++) {
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const k = array[i];
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array[i - 1] = k;
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indexes[k]--;
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}
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indexes[key] = void 0;
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array.pop();
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}
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// src/gen-mapping.ts
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import {
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encode
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} from "@jridgewell/sourcemap-codec";
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import { TraceMap, decodedMappings } from "@jridgewell/trace-mapping";
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// src/sourcemap-segment.ts
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var COLUMN = 0;
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var SOURCES_INDEX = 1;
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var SOURCE_LINE = 2;
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var SOURCE_COLUMN = 3;
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var NAMES_INDEX = 4;
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// src/gen-mapping.ts
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var NO_NAME = -1;
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var GenMapping = class {
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constructor({ file, sourceRoot } = {}) {
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this._names = new SetArray();
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this._sources = new SetArray();
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this._sourcesContent = [];
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this._mappings = [];
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this.file = file;
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this.sourceRoot = sourceRoot;
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this._ignoreList = new SetArray();
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}
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};
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function cast2(map) {
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return map;
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}
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function addSegment(map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
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return addSegmentInternal(
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false,
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map,
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genLine,
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genColumn,
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source,
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sourceLine,
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sourceColumn,
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name,
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content
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);
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}
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function addMapping(map, mapping) {
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return addMappingInternal(false, map, mapping);
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}
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var maybeAddSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
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return addSegmentInternal(
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true,
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map,
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genLine,
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genColumn,
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source,
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sourceLine,
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sourceColumn,
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name,
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content
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);
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};
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var maybeAddMapping = (map, mapping) => {
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return addMappingInternal(true, map, mapping);
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};
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function setSourceContent(map, source, content) {
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const {
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_sources: sources,
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_sourcesContent: sourcesContent
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// _originalScopes: originalScopes,
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} = cast2(map);
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const index = put(sources, source);
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sourcesContent[index] = content;
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}
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function setIgnore(map, source, ignore = true) {
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const {
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_sources: sources,
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_sourcesContent: sourcesContent,
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_ignoreList: ignoreList
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// _originalScopes: originalScopes,
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} = cast2(map);
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const index = put(sources, source);
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if (index === sourcesContent.length) sourcesContent[index] = null;
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if (ignore) put(ignoreList, index);
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else remove(ignoreList, index);
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}
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function toDecodedMap(map) {
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const {
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_mappings: mappings,
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_sources: sources,
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_sourcesContent: sourcesContent,
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_names: names,
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_ignoreList: ignoreList
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// _originalScopes: originalScopes,
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// _generatedRanges: generatedRanges,
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} = cast2(map);
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removeEmptyFinalLines(mappings);
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return {
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version: 3,
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file: map.file || void 0,
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names: names.array,
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sourceRoot: map.sourceRoot || void 0,
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sources: sources.array,
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sourcesContent,
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mappings,
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// originalScopes,
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// generatedRanges,
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ignoreList: ignoreList.array
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};
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}
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function toEncodedMap(map) {
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const decoded = toDecodedMap(map);
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return Object.assign({}, decoded, {
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// originalScopes: decoded.originalScopes.map((os) => encodeOriginalScopes(os)),
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// generatedRanges: encodeGeneratedRanges(decoded.generatedRanges as GeneratedRange[]),
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mappings: encode(decoded.mappings)
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});
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}
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function fromMap(input) {
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const map = new TraceMap(input);
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const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
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putAll(cast2(gen)._names, map.names);
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putAll(cast2(gen)._sources, map.sources);
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cast2(gen)._sourcesContent = map.sourcesContent || map.sources.map(() => null);
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cast2(gen)._mappings = decodedMappings(map);
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if (map.ignoreList) putAll(cast2(gen)._ignoreList, map.ignoreList);
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return gen;
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}
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function allMappings(map) {
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const out = [];
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const { _mappings: mappings, _sources: sources, _names: names } = cast2(map);
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for (let i = 0; i < mappings.length; i++) {
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const line = mappings[i];
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for (let j = 0; j < line.length; j++) {
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const seg = line[j];
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const generated = { line: i + 1, column: seg[COLUMN] };
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let source = void 0;
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let original = void 0;
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let name = void 0;
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if (seg.length !== 1) {
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source = sources.array[seg[SOURCES_INDEX]];
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original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
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if (seg.length === 5) name = names.array[seg[NAMES_INDEX]];
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}
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out.push({ generated, source, original, name });
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}
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}
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return out;
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}
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function addSegmentInternal(skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
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const {
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_mappings: mappings,
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_sources: sources,
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_sourcesContent: sourcesContent,
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_names: names
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// _originalScopes: originalScopes,
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} = cast2(map);
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const line = getIndex(mappings, genLine);
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const index = getColumnIndex(line, genColumn);
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if (!source) {
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if (skipable && skipSourceless(line, index)) return;
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return insert(line, index, [genColumn]);
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}
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assert(sourceLine);
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assert(sourceColumn);
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const sourcesIndex = put(sources, source);
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const namesIndex = name ? put(names, name) : NO_NAME;
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if (sourcesIndex === sourcesContent.length) sourcesContent[sourcesIndex] = content != null ? content : null;
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if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
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return;
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}
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return insert(
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line,
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index,
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name ? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex] : [genColumn, sourcesIndex, sourceLine, sourceColumn]
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);
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}
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function assert(_val) {
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}
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function getIndex(arr, index) {
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for (let i = arr.length; i <= index; i++) {
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arr[i] = [];
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}
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return arr[index];
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}
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function getColumnIndex(line, genColumn) {
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let index = line.length;
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for (let i = index - 1; i >= 0; index = i--) {
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const current = line[i];
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if (genColumn >= current[COLUMN]) break;
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}
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return index;
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}
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function insert(array, index, value) {
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for (let i = array.length; i > index; i--) {
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array[i] = array[i - 1];
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}
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array[index] = value;
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}
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function removeEmptyFinalLines(mappings) {
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const { length } = mappings;
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let len = length;
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for (let i = len - 1; i >= 0; len = i, i--) {
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if (mappings[i].length > 0) break;
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}
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if (len < length) mappings.length = len;
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}
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function putAll(setarr, array) {
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for (let i = 0; i < array.length; i++) put(setarr, array[i]);
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}
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function skipSourceless(line, index) {
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if (index === 0) return true;
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const prev = line[index - 1];
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return prev.length === 1;
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}
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function skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex) {
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if (index === 0) return false;
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const prev = line[index - 1];
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if (prev.length === 1) return false;
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return sourcesIndex === prev[SOURCES_INDEX] && sourceLine === prev[SOURCE_LINE] && sourceColumn === prev[SOURCE_COLUMN] && namesIndex === (prev.length === 5 ? prev[NAMES_INDEX] : NO_NAME);
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}
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function addMappingInternal(skipable, map, mapping) {
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const { generated, source, original, name, content } = mapping;
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if (!source) {
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return addSegmentInternal(
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skipable,
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map,
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generated.line - 1,
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generated.column,
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null,
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null,
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null,
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null,
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null
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);
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}
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assert(original);
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return addSegmentInternal(
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skipable,
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map,
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generated.line - 1,
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generated.column,
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source,
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original.line - 1,
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original.column,
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name,
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content
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);
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}
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export {
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GenMapping,
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addMapping,
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addSegment,
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allMappings,
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fromMap,
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maybeAddMapping,
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maybeAddSegment,
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setIgnore,
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setSourceContent,
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toDecodedMap,
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toEncodedMap
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};
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//# sourceMappingURL=gen-mapping.mjs.map
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