(function (global, factory) {
if (typeof exports === 'object' && typeof module !== 'undefined') {
factory(module, require('@jridgewell/resolve-uri'), require('@jridgewell/sourcemap-codec'));
module.exports = def(module);
} else if (typeof define === 'function' && define.amd) {
define(['module', '@jridgewell/resolve-uri', '@jridgewell/sourcemap-codec'], function(mod) {
factory.apply(this, arguments);
mod.exports = def(mod);
});
} else {
const mod = { exports: {} };
factory(mod, global.resolveURI, global.sourcemapCodec);
global = typeof globalThis !== 'undefined' ? globalThis : global || self;
global.traceMapping = def(mod);
}
function def(m) { return 'default' in m.exports ? m.exports.default : m.exports; }
})(this, (function (module, require_resolveURI, require_sourcemapCodec) {
"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __commonJS = (cb, mod) => function __require() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// umd:@jridgewell/sourcemap-codec
var require_sourcemap_codec = __commonJS({
"umd:@jridgewell/sourcemap-codec"(exports, module2) {
module2.exports = require_sourcemapCodec;
}
});
// umd:@jridgewell/resolve-uri
var require_resolve_uri = __commonJS({
"umd:@jridgewell/resolve-uri"(exports, module2) {
module2.exports = require_resolveURI;
}
});
// src/trace-mapping.ts
var trace_mapping_exports = {};
__export(trace_mapping_exports, {
AnyMap: () => FlattenMap,
FlattenMap: () => FlattenMap,
GREATEST_LOWER_BOUND: () => GREATEST_LOWER_BOUND,
LEAST_UPPER_BOUND: () => LEAST_UPPER_BOUND,
TraceMap: () => TraceMap,
allGeneratedPositionsFor: () => allGeneratedPositionsFor,
decodedMap: () => decodedMap,
decodedMappings: () => decodedMappings,
eachMapping: () => eachMapping,
encodedMap: () => encodedMap,
encodedMappings: () => encodedMappings,
generatedPositionFor: () => generatedPositionFor,
isIgnored: () => isIgnored,
originalPositionFor: () => originalPositionFor,
presortedDecodedMap: () => presortedDecodedMap,
sourceContentFor: () => sourceContentFor,
traceSegment: () => traceSegment
});
module.exports = __toCommonJS(trace_mapping_exports);
var import_sourcemap_codec = __toESM(require_sourcemap_codec());
// src/resolve.ts
var import_resolve_uri = __toESM(require_resolve_uri());
// src/strip-filename.ts
function stripFilename(path) {
if (!path) return "";
const index = path.lastIndexOf("/");
return path.slice(0, index + 1);
}
// src/resolve.ts
function resolver(mapUrl, sourceRoot) {
const from = stripFilename(mapUrl);
const prefix = sourceRoot ? sourceRoot + "/" : "";
return (source) => (0, import_resolve_uri.default)(prefix + (source || ""), from);
}
// src/sourcemap-segment.ts
var COLUMN = 0;
var SOURCES_INDEX = 1;
var SOURCE_LINE = 2;
var SOURCE_COLUMN = 3;
var NAMES_INDEX = 4;
var REV_GENERATED_LINE = 1;
var REV_GENERATED_COLUMN = 2;
// src/sort.ts
function maybeSort(mappings, owned) {
const unsortedIndex = nextUnsortedSegmentLine(mappings, 0);
if (unsortedIndex === mappings.length) return mappings;
if (!owned) mappings = mappings.slice();
for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) {
mappings[i] = sortSegments(mappings[i], owned);
}
return mappings;
}
function nextUnsortedSegmentLine(mappings, start) {
for (let i = start; i < mappings.length; i++) {
if (!isSorted(mappings[i])) return i;
}
return mappings.length;
}
function isSorted(line) {
for (let j = 1; j < line.length; j++) {
if (line[j][COLUMN] < line[j - 1][COLUMN]) {
return false;
}
}
return true;
}
function sortSegments(line, owned) {
if (!owned) line = line.slice();
return line.sort(sortComparator);
}
function sortComparator(a, b) {
return a[COLUMN] - b[COLUMN];
}
// src/binary-search.ts
var found = false;
function binarySearch(haystack, needle, low, high) {
while (low <= high) {
const mid = low + (high - low >> 1);
const cmp = haystack[mid][COLUMN] - needle;
if (cmp === 0) {
found = true;
return mid;
}
if (cmp < 0) {
low = mid + 1;
} else {
high = mid - 1;
}
}
found = false;
return low - 1;
}
function upperBound(haystack, needle, index) {
for (let i = index + 1; i < haystack.length; index = i++) {
if (haystack[i][COLUMN] !== needle) break;
}
return index;
}
function lowerBound(haystack, needle, index) {
for (let i = index - 1; i >= 0; index = i--) {
if (haystack[i][COLUMN] !== needle) break;
}
return index;
}
function memoizedState() {
return {
lastKey: -1,
lastNeedle: -1,
lastIndex: -1
};
}
function memoizedBinarySearch(haystack, needle, state, key) {
const { lastKey, lastNeedle, lastIndex } = state;
let low = 0;
let high = haystack.length - 1;
if (key === lastKey) {
if (needle === lastNeedle) {
found = lastIndex !== -1 && haystack[lastIndex][COLUMN] === needle;
return lastIndex;
}
if (needle >= lastNeedle) {
low = lastIndex === -1 ? 0 : lastIndex;
} else {
high = lastIndex;
}
}
state.lastKey = key;
state.lastNeedle = needle;
return state.lastIndex = binarySearch(haystack, needle, low, high);
}
// src/by-source.ts
function buildBySources(decoded, memos) {
const sources = memos.map(buildNullArray);
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
if (seg.length === 1) continue;
const sourceIndex2 = seg[SOURCES_INDEX];
const sourceLine = seg[SOURCE_LINE];
const sourceColumn = seg[SOURCE_COLUMN];
const originalSource = sources[sourceIndex2];
const originalLine = originalSource[sourceLine] || (originalSource[sourceLine] = []);
const memo = memos[sourceIndex2];
let index = upperBound(
originalLine,
sourceColumn,
memoizedBinarySearch(originalLine, sourceColumn, memo, sourceLine)
);
memo.lastIndex = ++index;
insert(originalLine, index, [sourceColumn, i, seg[COLUMN]]);
}
}
return sources;
}
function insert(array, index, value) {
for (let i = array.length; i > index; i--) {
array[i] = array[i - 1];
}
array[index] = value;
}
function buildNullArray() {
return { __proto__: null };
}
// src/types.ts
function parse(map) {
return typeof map === "string" ? JSON.parse(map) : map;
}
// src/flatten-map.ts
var FlattenMap = function(map, mapUrl) {
const parsed = parse(map);
if (!("sections" in parsed)) {
return new TraceMap(parsed, mapUrl);
}
const mappings = [];
const sources = [];
const sourcesContent = [];
const names = [];
const ignoreList = [];
recurse(
parsed,
mapUrl,
mappings,
sources,
sourcesContent,
names,
ignoreList,
0,
0,
Infinity,
Infinity
);
const joined = {
version: 3,
file: parsed.file,
names,
sources,
sourcesContent,
mappings,
ignoreList
};
return presortedDecodedMap(joined);
};
function recurse(input, mapUrl, mappings, sources, sourcesContent, names, ignoreList, lineOffset, columnOffset, stopLine, stopColumn) {
const { sections } = input;
for (let i = 0; i < sections.length; i++) {
const { map, offset } = sections[i];
let sl = stopLine;
let sc = stopColumn;
if (i + 1 < sections.length) {
const nextOffset = sections[i + 1].offset;
sl = Math.min(stopLine, lineOffset + nextOffset.line);
if (sl === stopLine) {
sc = Math.min(stopColumn, columnOffset + nextOffset.column);
} else if (sl < stopLine) {
sc = columnOffset + nextOffset.column;
}
}
addSection(
map,
mapUrl,
mappings,
sources,
sourcesContent,
names,
ignoreList,
lineOffset + offset.line,
columnOffset + offset.column,
sl,
sc
);
}
}
function addSection(input, mapUrl, mappings, sources, sourcesContent, names, ignoreList, lineOffset, columnOffset, stopLine, stopColumn) {
const parsed = parse(input);
if ("sections" in parsed) return recurse(...arguments);
const map = new TraceMap(parsed, mapUrl);
const sourcesOffset = sources.length;
const namesOffset = names.length;
const decoded = decodedMappings(map);
const { resolvedSources, sourcesContent: contents, ignoreList: ignores } = map;
append(sources, resolvedSources);
append(names, map.names);
if (contents) append(sourcesContent, contents);
else for (let i = 0; i < resolvedSources.length; i++) sourcesContent.push(null);
if (ignores) for (let i = 0; i < ignores.length; i++) ignoreList.push(ignores[i] + sourcesOffset);
for (let i = 0; i < decoded.length; i++) {
const lineI = lineOffset + i;
if (lineI > stopLine) return;
const out = getLine(mappings, lineI);
const cOffset = i === 0 ? columnOffset : 0;
const line = decoded[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const column = cOffset + seg[COLUMN];
if (lineI === stopLine && column >= stopColumn) return;
if (seg.length === 1) {
out.push([column]);
continue;
}
const sourcesIndex = sourcesOffset + seg[SOURCES_INDEX];
const sourceLine = seg[SOURCE_LINE];
const sourceColumn = seg[SOURCE_COLUMN];
out.push(
seg.length === 4 ? [column, sourcesIndex, sourceLine, sourceColumn] : [column, sourcesIndex, sourceLine, sourceColumn, namesOffset + seg[NAMES_INDEX]]
);
}
}
}
function append(arr, other) {
for (let i = 0; i < other.length; i++) arr.push(other[i]);
}
function getLine(arr, index) {
for (let i = arr.length; i <= index; i++) arr[i] = [];
return arr[index];
}
// src/trace-mapping.ts
var LINE_GTR_ZERO = "`line` must be greater than 0 (lines start at line 1)";
var COL_GTR_EQ_ZERO = "`column` must be greater than or equal to 0 (columns start at column 0)";
var LEAST_UPPER_BOUND = -1;
var GREATEST_LOWER_BOUND = 1;
var TraceMap = class {
constructor(map, mapUrl) {
const isString = typeof map === "string";
if (!isString && map._decodedMemo) return map;
const parsed = parse(map);
const { version, file, names, sourceRoot, sources, sourcesContent } = parsed;
this.version = version;
this.file = file;
this.names = names || [];
this.sourceRoot = sourceRoot;
this.sources = sources;
this.sourcesContent = sourcesContent;
this.ignoreList = parsed.ignoreList || parsed.x_google_ignoreList || void 0;
const resolve = resolver(mapUrl, sourceRoot);
this.resolvedSources = sources.map(resolve);
const { mappings } = parsed;
if (typeof mappings === "string") {
this._encoded = mappings;
this._decoded = void 0;
} else if (Array.isArray(mappings)) {
this._encoded = void 0;
this._decoded = maybeSort(mappings, isString);
} else if (parsed.sections) {
throw new Error(`TraceMap passed sectioned source map, please use FlattenMap export instead`);
} else {
throw new Error(`invalid source map: ${JSON.stringify(parsed)}`);
}
this._decodedMemo = memoizedState();
this._bySources = void 0;
this._bySourceMemos = void 0;
}
};
function cast(map) {
return map;
}
function encodedMappings(map) {
var _a, _b;
return (_b = (_a = cast(map))._encoded) != null ? _b : _a._encoded = (0, import_sourcemap_codec.encode)(cast(map)._decoded);
}
function decodedMappings(map) {
var _a;
return (_a = cast(map))._decoded || (_a._decoded = (0, import_sourcemap_codec.decode)(cast(map)._encoded));
}
function traceSegment(map, line, column) {
const decoded = decodedMappings(map);
if (line >= decoded.length) return null;
const segments = decoded[line];
const index = traceSegmentInternal(
segments,
cast(map)._decodedMemo,
line,
column,
GREATEST_LOWER_BOUND
);
return index === -1 ? null : segments[index];
}
function originalPositionFor(map, needle) {
let { line, column, bias } = needle;
line--;
if (line < 0) throw new Error(LINE_GTR_ZERO);
if (column < 0) throw new Error(COL_GTR_EQ_ZERO);
const decoded = decodedMappings(map);
if (line >= decoded.length) return OMapping(null, null, null, null);
const segments = decoded[line];
const index = traceSegmentInternal(
segments,
cast(map)._decodedMemo,
line,
column,
bias || GREATEST_LOWER_BOUND
);
if (index === -1) return OMapping(null, null, null, null);
const segment = segments[index];
if (segment.length === 1) return OMapping(null, null, null, null);
const { names, resolvedSources } = map;
return OMapping(
resolvedSources[segment[SOURCES_INDEX]],
segment[SOURCE_LINE] + 1,
segment[SOURCE_COLUMN],
segment.length === 5 ? names[segment[NAMES_INDEX]] : null
);
}
function generatedPositionFor(map, needle) {
const { source, line, column, bias } = needle;
return generatedPosition(map, source, line, column, bias || GREATEST_LOWER_BOUND, false);
}
function allGeneratedPositionsFor(map, needle) {
const { source, line, column, bias } = needle;
return generatedPosition(map, source, line, column, bias || LEAST_UPPER_BOUND, true);
}
function eachMapping(map, cb) {
const decoded = decodedMappings(map);
const { names, resolvedSources } = map;
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const generatedLine = i + 1;
const generatedColumn = seg[0];
let source = null;
let originalLine = null;
let originalColumn = null;
let name = null;
if (seg.length !== 1) {
source = resolvedSources[seg[1]];
originalLine = seg[2] + 1;
originalColumn = seg[3];
}
if (seg.length === 5) name = names[seg[4]];
cb({
generatedLine,
generatedColumn,
source,
originalLine,
originalColumn,
name
});
}
}
}
function sourceIndex(map, source) {
const { sources, resolvedSources } = map;
let index = sources.indexOf(source);
if (index === -1) index = resolvedSources.indexOf(source);
return index;
}
function sourceContentFor(map, source) {
const { sourcesContent } = map;
if (sourcesContent == null) return null;
const index = sourceIndex(map, source);
return index === -1 ? null : sourcesContent[index];
}
function isIgnored(map, source) {
const { ignoreList } = map;
if (ignoreList == null) return false;
const index = sourceIndex(map, source);
return index === -1 ? false : ignoreList.includes(index);
}
function presortedDecodedMap(map, mapUrl) {
const tracer = new TraceMap(clone(map, []), mapUrl);
cast(tracer)._decoded = map.mappings;
return tracer;
}
function decodedMap(map) {
return clone(map, decodedMappings(map));
}
function encodedMap(map) {
return clone(map, encodedMappings(map));
}
function clone(map, mappings) {
return {
version: map.version,
file: map.file,
names: map.names,
sourceRoot: map.sourceRoot,
sources: map.sources,
sourcesContent: map.sourcesContent,
mappings,
ignoreList: map.ignoreList || map.x_google_ignoreList
};
}
function OMapping(source, line, column, name) {
return { source, line, column, name };
}
function GMapping(line, column) {
return { line, column };
}
function traceSegmentInternal(segments, memo, line, column, bias) {
let index = memoizedBinarySearch(segments, column, memo, line);
if (found) {
index = (bias === LEAST_UPPER_BOUND ? upperBound : lowerBound)(segments, column, index);
} else if (bias === LEAST_UPPER_BOUND) index++;
if (index === -1 || index === segments.length) return -1;
return index;
}
function sliceGeneratedPositions(segments, memo, line, column, bias) {
let min = traceSegmentInternal(segments, memo, line, column, GREATEST_LOWER_BOUND);
if (!found && bias === LEAST_UPPER_BOUND) min++;
if (min === -1 || min === segments.length) return [];
const matchedColumn = found ? column : segments[min][COLUMN];
if (!found) min = lowerBound(segments, matchedColumn, min);
const max = upperBound(segments, matchedColumn, min);
const result = [];
for (; min <= max; min++) {
const segment = segments[min];
result.push(GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]));
}
return result;
}
function generatedPosition(map, source, line, column, bias, all) {
var _a;
line--;
if (line < 0) throw new Error(LINE_GTR_ZERO);
if (column < 0) throw new Error(COL_GTR_EQ_ZERO);
const { sources, resolvedSources } = map;
let sourceIndex2 = sources.indexOf(source);
if (sourceIndex2 === -1) sourceIndex2 = resolvedSources.indexOf(source);
if (sourceIndex2 === -1) return all ? [] : GMapping(null, null);
const generated = (_a = cast(map))._bySources || (_a._bySources = buildBySources(
decodedMappings(map),
cast(map)._bySourceMemos = sources.map(memoizedState)
));
const segments = generated[sourceIndex2][line];
if (segments == null) return all ? [] : GMapping(null, null);
const memo = cast(map)._bySourceMemos[sourceIndex2];
if (all) return sliceGeneratedPositions(segments, memo, line, column, bias);
const index = traceSegmentInternal(segments, memo, line, column, bias);
if (index === -1) return GMapping(null, null);
const segment = segments[index];
return GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]);
}
}));
//# sourceMappingURL=trace-mapping.umd.js.map