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- (function (global, factory) {
- if (typeof exports === 'object' && typeof module !== 'undefined') {
- factory(module);
- module.exports = def(module);
- } else if (typeof define === 'function' && define.amd) {
- define(['module'], function(mod) {
- factory.apply(this, arguments);
- mod.exports = def(mod);
- });
- } else {
- const mod = { exports: {} };
- factory(mod);
- global = typeof globalThis !== 'undefined' ? globalThis : global || self;
- global.sourcemapCodec = def(mod);
- }
- function def(m) { return 'default' in m.exports ? m.exports.default : m.exports; }
- })(this, (function (module) {
- "use strict";
- var __defProp = Object.defineProperty;
- var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
- var __getOwnPropNames = Object.getOwnPropertyNames;
- var __hasOwnProp = Object.prototype.hasOwnProperty;
- 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 __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
- // src/sourcemap-codec.ts
- var sourcemap_codec_exports = {};
- __export(sourcemap_codec_exports, {
- decode: () => decode,
- decodeGeneratedRanges: () => decodeGeneratedRanges,
- decodeOriginalScopes: () => decodeOriginalScopes,
- decodeRangeMappings: () => decodeRangeMappings,
- encode: () => encode,
- encodeGeneratedRanges: () => encodeGeneratedRanges,
- encodeOriginalScopes: () => encodeOriginalScopes,
- encodeRangeMappings: () => encodeRangeMappings
- });
- module.exports = __toCommonJS(sourcemap_codec_exports);
- // src/vlq.ts
- var comma = ",".charCodeAt(0);
- var semicolon = ";".charCodeAt(0);
- var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
- var intToChar = new Uint8Array(64);
- var charToInt = new Uint8Array(128);
- for (let i = 0; i < chars.length; i++) {
- const c = chars.charCodeAt(i);
- intToChar[i] = c;
- charToInt[c] = i;
- }
- function decodeInteger(reader) {
- let value = 0;
- let shift = 0;
- let integer = 0;
- do {
- const c = reader.next();
- integer = charToInt[c];
- value |= (integer & 31) << shift;
- shift += 5;
- } while (integer & 32);
- return value;
- }
- function decodeSign(num) {
- return num & 1 ? -2147483648 | -(num >>> 1) : num >>> 1;
- }
- function encodeInteger(builder, num) {
- do {
- let clamped = num & 31;
- num >>>= 5;
- if (num > 0) clamped |= 32;
- builder.write(intToChar[clamped]);
- } while (num > 0);
- }
- function encodeSign(num) {
- return num < 0 ? -num << 1 | 1 : num << 1;
- }
- function hasMoreVlq(reader, max) {
- if (reader.pos >= max) return false;
- return reader.peek() !== comma;
- }
- // src/strings.ts
- var bufLength = 1024 * 16;
- var td = typeof TextDecoder !== "undefined" ? /* @__PURE__ */ new TextDecoder() : typeof Buffer !== "undefined" ? {
- decode(buf) {
- const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
- return out.toString();
- }
- } : {
- decode(buf) {
- let out = "";
- for (let i = 0; i < buf.length; i++) {
- out += String.fromCharCode(buf[i]);
- }
- return out;
- }
- };
- var StringWriter = class {
- constructor() {
- this.pos = 0;
- this.out = "";
- this.buffer = new Uint8Array(bufLength);
- }
- write(v) {
- const { buffer } = this;
- buffer[this.pos++] = v;
- if (this.pos === bufLength) {
- this.out += td.decode(buffer);
- this.pos = 0;
- }
- }
- flush() {
- const { buffer, out, pos } = this;
- return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
- }
- };
- var StringReader = class {
- constructor(buffer) {
- this.pos = 0;
- this.buffer = buffer;
- }
- next() {
- return this.buffer.charCodeAt(this.pos++);
- }
- peek() {
- return this.buffer.charCodeAt(this.pos);
- }
- indexOf(char) {
- const { buffer, pos } = this;
- const idx = buffer.indexOf(char, pos);
- return idx === -1 ? buffer.length : idx;
- }
- };
- // src/scopes.ts
- var EMPTY = [];
- function decodeOriginalScopes(input) {
- const { length } = input;
- const reader = new StringReader(input);
- const scopes = [];
- const stack = [];
- let line = 0;
- for (; reader.pos < length; reader.pos++) {
- line += decodeSign(decodeInteger(reader));
- const column = decodeSign(decodeInteger(reader));
- if (!hasMoreVlq(reader, length)) {
- const last = stack.pop();
- last[2] = line;
- last[3] = column;
- continue;
- }
- const kind = decodeSign(decodeInteger(reader));
- const fields = decodeSign(decodeInteger(reader));
- const hasName = fields & 1;
- const scope = hasName ? [line, column, 0, 0, kind, decodeSign(decodeInteger(reader))] : [line, column, 0, 0, kind];
- let vars = EMPTY;
- if (hasMoreVlq(reader, length)) {
- vars = [];
- do {
- const varsIndex = decodeSign(decodeInteger(reader));
- vars.push(varsIndex);
- } while (hasMoreVlq(reader, length));
- }
- scope.vars = vars;
- scopes.push(scope);
- stack.push(scope);
- }
- return scopes;
- }
- function encodeOriginalScopes(scopes) {
- const writer = new StringWriter();
- for (let i = 0; i < scopes.length; ) {
- i = _encodeOriginalScopes(scopes, i, writer, [0]);
- }
- return writer.flush();
- }
- function _encodeOriginalScopes(scopes, index, writer, state) {
- const scope = scopes[index];
- const { 0: startLine, 1: startColumn, 2: endLine, 3: endColumn, 4: kind, vars } = scope;
- if (index > 0) writer.write(comma);
- encodeInteger(writer, encodeSign(startLine - state[0]));
- state[0] = startLine;
- encodeInteger(writer, encodeSign(startColumn));
- encodeInteger(writer, encodeSign(kind));
- const fields = scope.length === 6 ? 1 : 0;
- encodeInteger(writer, encodeSign(fields));
- if (scope.length === 6) encodeInteger(writer, encodeSign(scope[5]));
- for (const v of vars) {
- encodeInteger(writer, encodeSign(v));
- }
- for (index++; index < scopes.length; ) {
- const next = scopes[index];
- const { 0: l, 1: c } = next;
- if (l > endLine || l === endLine && c >= endColumn) {
- break;
- }
- index = _encodeOriginalScopes(scopes, index, writer, state);
- }
- writer.write(comma);
- encodeInteger(writer, encodeSign(endLine - state[0]));
- state[0] = endLine;
- encodeInteger(writer, encodeSign(endColumn));
- return index;
- }
- function decodeGeneratedRanges(input) {
- const { length } = input;
- const reader = new StringReader(input);
- const ranges = [];
- const stack = [];
- let genLine = 0;
- let definitionSourcesIndex = 0;
- let definitionScopeIndex = 0;
- let callsiteSourcesIndex = 0;
- let callsiteLine = 0;
- let callsiteColumn = 0;
- let bindingLine = 0;
- let bindingColumn = 0;
- do {
- const semi = reader.indexOf(";");
- let genColumn = 0;
- for (; reader.pos < semi; reader.pos++) {
- genColumn += decodeSign(decodeInteger(reader));
- if (!hasMoreVlq(reader, semi)) {
- const last = stack.pop();
- last[2] = genLine;
- last[3] = genColumn;
- continue;
- }
- const fields = decodeSign(decodeInteger(reader));
- const hasDefinition = fields & 1;
- const hasCallsite = fields & 2;
- const hasScope = fields & 4;
- let callsite = null;
- let bindings = EMPTY;
- let range;
- if (hasDefinition) {
- const defSourcesIndex = definitionSourcesIndex + decodeSign(decodeInteger(reader));
- definitionScopeIndex = decodeSign(decodeInteger(reader)) + (definitionSourcesIndex === defSourcesIndex ? definitionScopeIndex : 0);
- definitionSourcesIndex = defSourcesIndex;
- range = [genLine, genColumn, 0, 0, defSourcesIndex, definitionScopeIndex];
- } else {
- range = [genLine, genColumn, 0, 0];
- }
- range.isScope = !!hasScope;
- if (hasCallsite) {
- const prevCsi = callsiteSourcesIndex;
- const prevLine = callsiteLine;
- callsiteSourcesIndex += decodeSign(decodeInteger(reader));
- const sameSource = prevCsi === callsiteSourcesIndex;
- callsiteLine = (sameSource ? callsiteLine : 0) + decodeSign(decodeInteger(reader));
- callsiteColumn = (sameSource && prevLine === callsiteLine ? callsiteColumn : 0) + decodeSign(decodeInteger(reader));
- callsite = [callsiteSourcesIndex, callsiteLine, callsiteColumn];
- }
- range.callsite = callsite;
- if (hasMoreVlq(reader, semi)) {
- bindings = [];
- do {
- bindingLine = genLine;
- bindingColumn = genColumn;
- const expressionsCount = decodeSign(decodeInteger(reader));
- let expressionRanges;
- if (expressionsCount < -1) {
- expressionRanges = [[decodeSign(decodeInteger(reader))]];
- for (let i = -1; i > expressionsCount; i--) {
- const prevBl = bindingLine;
- bindingLine += decodeSign(decodeInteger(reader));
- bindingColumn = (bindingLine === prevBl ? bindingColumn : 0) + decodeSign(decodeInteger(reader));
- const expression = decodeSign(decodeInteger(reader));
- expressionRanges.push([expression, bindingLine, bindingColumn]);
- }
- } else {
- expressionRanges = [[expressionsCount]];
- }
- bindings.push(expressionRanges);
- } while (hasMoreVlq(reader, semi));
- }
- range.bindings = bindings;
- ranges.push(range);
- stack.push(range);
- }
- genLine++;
- reader.pos = semi + 1;
- } while (reader.pos < length);
- return ranges;
- }
- function encodeGeneratedRanges(ranges) {
- if (ranges.length === 0) return "";
- const writer = new StringWriter();
- for (let i = 0; i < ranges.length; ) {
- i = _encodeGeneratedRanges(ranges, i, writer, [0, 0, 0, 0, 0, 0, 0]);
- }
- return writer.flush();
- }
- function _encodeGeneratedRanges(ranges, index, writer, state) {
- const range = ranges[index];
- const {
- 0: startLine,
- 1: startColumn,
- 2: endLine,
- 3: endColumn,
- isScope,
- callsite,
- bindings
- } = range;
- if (state[0] < startLine) {
- catchupLine(writer, state[0], startLine);
- state[0] = startLine;
- state[1] = 0;
- } else if (index > 0) {
- writer.write(comma);
- }
- encodeInteger(writer, encodeSign(range[1] - state[1]));
- state[1] = range[1];
- const fields = (range.length === 6 ? 1 : 0) | (callsite ? 2 : 0) | (isScope ? 4 : 0);
- encodeInteger(writer, encodeSign(fields));
- if (range.length === 6) {
- const { 4: sourcesIndex, 5: scopesIndex } = range;
- if (sourcesIndex !== state[2]) {
- state[3] = 0;
- }
- encodeInteger(writer, encodeSign(sourcesIndex - state[2]));
- state[2] = sourcesIndex;
- encodeInteger(writer, encodeSign(scopesIndex - state[3]));
- state[3] = scopesIndex;
- }
- if (callsite) {
- const { 0: sourcesIndex, 1: callLine, 2: callColumn } = range.callsite;
- if (sourcesIndex !== state[4]) {
- state[5] = 0;
- state[6] = 0;
- } else if (callLine !== state[5]) {
- state[6] = 0;
- }
- encodeInteger(writer, encodeSign(sourcesIndex - state[4]));
- state[4] = sourcesIndex;
- encodeInteger(writer, encodeSign(callLine - state[5]));
- state[5] = callLine;
- encodeInteger(writer, encodeSign(callColumn - state[6]));
- state[6] = callColumn;
- }
- if (bindings) {
- for (const binding of bindings) {
- if (binding.length > 1) encodeInteger(writer, encodeSign(-binding.length));
- const expression = binding[0][0];
- encodeInteger(writer, encodeSign(expression));
- let bindingStartLine = startLine;
- let bindingStartColumn = startColumn;
- for (let i = 1; i < binding.length; i++) {
- const expRange = binding[i];
- encodeInteger(writer, encodeSign(expRange[1] - bindingStartLine));
- bindingStartLine = expRange[1];
- encodeInteger(writer, encodeSign(expRange[2] - bindingStartColumn));
- bindingStartColumn = expRange[2];
- encodeInteger(writer, encodeSign(expRange[0]));
- }
- }
- }
- for (index++; index < ranges.length; ) {
- const next = ranges[index];
- const { 0: l, 1: c } = next;
- if (l > endLine || l === endLine && c >= endColumn) {
- break;
- }
- index = _encodeGeneratedRanges(ranges, index, writer, state);
- }
- if (state[0] < endLine) {
- catchupLine(writer, state[0], endLine);
- state[0] = endLine;
- state[1] = 0;
- } else {
- writer.write(comma);
- }
- encodeInteger(writer, encodeSign(endColumn - state[1]));
- state[1] = endColumn;
- return index;
- }
- function catchupLine(writer, lastLine, line) {
- do {
- writer.write(semicolon);
- } while (++lastLine < line);
- }
- // src/range-mappings.ts
- function decodeRangeMappings(input) {
- const { length } = input;
- const reader = new StringReader(input);
- const rangeMappings = [];
- do {
- const semi = reader.indexOf(";");
- const indices = [];
- let index = 0;
- while (reader.pos < semi) {
- index += decodeInteger(reader);
- indices.push(index);
- }
- rangeMappings.push(indices);
- reader.pos = semi + 1;
- } while (reader.pos <= length);
- return rangeMappings;
- }
- function encodeRangeMappings(decoded) {
- if (decoded.length === 0) return "";
- const writer = new StringWriter();
- for (let i = 0; i < decoded.length; i++) {
- const indices = decoded[i];
- if (i > 0) writer.write(semicolon);
- let index = 0;
- for (let j = 0; j < indices.length; j++) {
- const offset = indices[j];
- encodeInteger(writer, offset - index);
- index = offset;
- }
- }
- return writer.flush();
- }
- // src/sourcemap-codec.ts
- function decode(mappings) {
- const { length } = mappings;
- const reader = new StringReader(mappings);
- const decoded = [];
- let genColumn = 0;
- let sourcesIndex = 0;
- let sourceLine = 0;
- let sourceColumn = 0;
- let namesIndex = 0;
- do {
- const semi = reader.indexOf(";");
- const line = [];
- let sorted = true;
- let lastCol = 0;
- genColumn = 0;
- while (reader.pos < semi) {
- let seg;
- genColumn += decodeSign(decodeInteger(reader));
- if (genColumn < lastCol) sorted = false;
- lastCol = genColumn;
- if (hasMoreVlq(reader, semi)) {
- sourcesIndex += decodeSign(decodeInteger(reader));
- sourceLine += decodeSign(decodeInteger(reader));
- sourceColumn += decodeSign(decodeInteger(reader));
- if (hasMoreVlq(reader, semi)) {
- namesIndex += decodeSign(decodeInteger(reader));
- seg = [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex];
- } else {
- seg = [genColumn, sourcesIndex, sourceLine, sourceColumn];
- }
- } else {
- seg = [genColumn];
- }
- line.push(seg);
- reader.pos++;
- }
- if (!sorted) sort(line);
- decoded.push(line);
- reader.pos = semi + 1;
- } while (reader.pos <= length);
- return decoded;
- }
- function sort(line) {
- line.sort(sortComparator);
- }
- function sortComparator(a, b) {
- return a[0] - b[0];
- }
- function encode(decoded) {
- const writer = new StringWriter();
- let sourcesIndex = 0;
- let sourceLine = 0;
- let sourceColumn = 0;
- let namesIndex = 0;
- for (let i = 0; i < decoded.length; i++) {
- const line = decoded[i];
- if (i > 0) writer.write(semicolon);
- if (line.length === 0) continue;
- let genColumn = 0;
- for (let j = 0; j < line.length; j++) {
- const segment = line[j];
- if (j > 0) writer.write(comma);
- encodeInteger(writer, encodeSign(segment[0] - genColumn));
- genColumn = segment[0];
- if (segment.length === 1) continue;
- encodeInteger(writer, encodeSign(segment[1] - sourcesIndex));
- encodeInteger(writer, encodeSign(segment[2] - sourceLine));
- encodeInteger(writer, encodeSign(segment[3] - sourceColumn));
- sourcesIndex = segment[1];
- sourceLine = segment[2];
- sourceColumn = segment[3];
- if (segment.length === 4) continue;
- encodeInteger(writer, encodeSign(segment[4] - namesIndex));
- namesIndex = segment[4];
- }
- }
- return writer.flush();
- }
- }));
- //# sourceMappingURL=sourcemap-codec.umd.js.map
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