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authorlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:10:59 +0800
committerlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:41:44 +0800
commitfc87c009806dcc98867f6b58efe29b042aa01dee (patch)
tree8f59b3f4a5b66e9dfef2d40c8d318e258a521228 /node_modules/@jridgewell/gen-mapping/dist/gen-mapping.mjs
parent3336b2356ee6152d9c6ae59bd9b87ccbc0958407 (diff)
node: updatemain
Diffstat (limited to 'node_modules/@jridgewell/gen-mapping/dist/gen-mapping.mjs')
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diff --git a/node_modules/@jridgewell/gen-mapping/dist/gen-mapping.mjs b/node_modules/@jridgewell/gen-mapping/dist/gen-mapping.mjs
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-import { SetArray, put, remove } from '@jridgewell/set-array';
-import { encode } from '@jridgewell/sourcemap-codec';
-import { TraceMap, decodedMappings } from '@jridgewell/trace-mapping';
-
-const COLUMN = 0;
-const SOURCES_INDEX = 1;
-const SOURCE_LINE = 2;
-const SOURCE_COLUMN = 3;
-const NAMES_INDEX = 4;
-
-const NO_NAME = -1;
-/**
- * Provides the state to generate a sourcemap.
- */
-class GenMapping {
- constructor({ file, sourceRoot } = {}) {
- this._names = new SetArray();
- this._sources = new SetArray();
- this._sourcesContent = [];
- this._mappings = [];
- this.file = file;
- this.sourceRoot = sourceRoot;
- this._ignoreList = new SetArray();
- }
-}
-/**
- * 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) {
- return map;
-}
-function addSegment(map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
- return addSegmentInternal(false, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
-}
-function addMapping(map, mapping) {
- return addMappingInternal(false, map, mapping);
-}
-/**
- * Same as `addSegment`, but will only add the segment if it generates useful information in the
- * resulting map. This only works correctly if segments are added **in order**, meaning you should
- * not add a segment with a lower generated line/column than one that came before.
- */
-const maybeAddSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
- return addSegmentInternal(true, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
-};
-/**
- * Same as `addMapping`, but will only add the mapping if it generates useful information in the
- * resulting map. This only works correctly if mappings are added **in order**, meaning you should
- * not add a mapping with a lower generated line/column than one that came before.
- */
-const maybeAddMapping = (map, mapping) => {
- return addMappingInternal(true, map, mapping);
-};
-/**
- * Adds/removes the content of the source file to the source map.
- */
-function setSourceContent(map, source, content) {
- const { _sources: sources, _sourcesContent: sourcesContent } = cast(map);
- const index = put(sources, source);
- sourcesContent[index] = content;
-}
-function setIgnore(map, source, ignore = true) {
- const { _sources: sources, _sourcesContent: sourcesContent, _ignoreList: ignoreList } = cast(map);
- const index = put(sources, source);
- if (index === sourcesContent.length)
- sourcesContent[index] = null;
- if (ignore)
- put(ignoreList, index);
- else
- remove(ignoreList, index);
-}
-/**
- * Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
- * a sourcemap, or to JSON.stringify.
- */
-function toDecodedMap(map) {
- const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, _ignoreList: ignoreList, } = cast(map);
- removeEmptyFinalLines(mappings);
- return {
- version: 3,
- file: map.file || undefined,
- names: names.array,
- sourceRoot: map.sourceRoot || undefined,
- sources: sources.array,
- sourcesContent,
- mappings,
- ignoreList: ignoreList.array,
- };
-}
-/**
- * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
- * a sourcemap, or to JSON.stringify.
- */
-function toEncodedMap(map) {
- const decoded = toDecodedMap(map);
- return Object.assign(Object.assign({}, decoded), { mappings: encode(decoded.mappings) });
-}
-/**
- * Constructs a new GenMapping, using the already present mappings of the input.
- */
-function fromMap(input) {
- const map = new TraceMap(input);
- const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
- putAll(cast(gen)._names, map.names);
- putAll(cast(gen)._sources, map.sources);
- cast(gen)._sourcesContent = map.sourcesContent || map.sources.map(() => null);
- cast(gen)._mappings = decodedMappings(map);
- if (map.ignoreList)
- putAll(cast(gen)._ignoreList, map.ignoreList);
- return gen;
-}
-/**
- * Returns an array of high-level mapping objects for every recorded segment, which could then be
- * passed to the `source-map` library.
- */
-function allMappings(map) {
- const out = [];
- const { _mappings: mappings, _sources: sources, _names: names } = cast(map);
- for (let i = 0; i < mappings.length; i++) {
- const line = mappings[i];
- for (let j = 0; j < line.length; j++) {
- const seg = line[j];
- const generated = { line: i + 1, column: seg[COLUMN] };
- let source = undefined;
- let original = undefined;
- let name = undefined;
- if (seg.length !== 1) {
- source = sources.array[seg[SOURCES_INDEX]];
- original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
- if (seg.length === 5)
- name = names.array[seg[NAMES_INDEX]];
- }
- out.push({ generated, source, original, name });
- }
- }
- return out;
-}
-// This split declaration is only so that terser can elminiate the static initialization block.
-function addSegmentInternal(skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
- const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = cast(map);
- const line = getLine(mappings, genLine);
- const index = getColumnIndex(line, genColumn);
- if (!source) {
- if (skipable && skipSourceless(line, index))
- return;
- return insert(line, index, [genColumn]);
- }
- const sourcesIndex = put(sources, source);
- const namesIndex = name ? put(names, name) : NO_NAME;
- if (sourcesIndex === sourcesContent.length)
- sourcesContent[sourcesIndex] = content !== null && content !== void 0 ? content : null;
- if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
- return;
- }
- return insert(line, index, name
- ? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex]
- : [genColumn, sourcesIndex, sourceLine, sourceColumn]);
-}
-function getLine(mappings, index) {
- for (let i = mappings.length; i <= index; i++) {
- mappings[i] = [];
- }
- return mappings[index];
-}
-function getColumnIndex(line, genColumn) {
- let index = line.length;
- for (let i = index - 1; i >= 0; index = i--) {
- const current = line[i];
- if (genColumn >= current[COLUMN])
- break;
- }
- return index;
-}
-function insert(array, index, value) {
- for (let i = array.length; i > index; i--) {
- array[i] = array[i - 1];
- }
- array[index] = value;
-}
-function removeEmptyFinalLines(mappings) {
- const { length } = mappings;
- let len = length;
- for (let i = len - 1; i >= 0; len = i, i--) {
- if (mappings[i].length > 0)
- break;
- }
- if (len < length)
- mappings.length = len;
-}
-function putAll(setarr, array) {
- for (let i = 0; i < array.length; i++)
- put(setarr, array[i]);
-}
-function skipSourceless(line, index) {
- // The start of a line is already sourceless, so adding a sourceless segment to the beginning
- // doesn't generate any useful information.
- if (index === 0)
- return true;
- const prev = line[index - 1];
- // If the previous segment is also sourceless, then adding another sourceless segment doesn't
- // genrate any new information. Else, this segment will end the source/named segment and point to
- // a sourceless position, which is useful.
- return prev.length === 1;
-}
-function skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex) {
- // A source/named segment at the start of a line gives position at that genColumn
- if (index === 0)
- return false;
- const prev = line[index - 1];
- // If the previous segment is sourceless, then we're transitioning to a source.
- if (prev.length === 1)
- return false;
- // If the previous segment maps to the exact same source position, then this segment doesn't
- // provide any new position information.
- return (sourcesIndex === prev[SOURCES_INDEX] &&
- sourceLine === prev[SOURCE_LINE] &&
- sourceColumn === prev[SOURCE_COLUMN] &&
- namesIndex === (prev.length === 5 ? prev[NAMES_INDEX] : NO_NAME));
-}
-function addMappingInternal(skipable, map, mapping) {
- const { generated, source, original, name, content } = mapping;
- if (!source) {
- return addSegmentInternal(skipable, map, generated.line - 1, generated.column, null, null, null, null, null);
- }
- return addSegmentInternal(skipable, map, generated.line - 1, generated.column, source, original.line - 1, original.column, name, content);
-}
-
-export { GenMapping, addMapping, addSegment, allMappings, fromMap, maybeAddMapping, maybeAddSegment, setIgnore, setSourceContent, toDecodedMap, toEncodedMap };
-//# sourceMappingURL=gen-mapping.mjs.map