@vitest/coverage-v8/dist/provider.js

V8 coverage provider for Vitest

import { promises } from 'node:fs';
import { pathToFileURL, fileURLToPath } from 'node:url';
import remapping from '@ampproject/remapping';
import { mergeProcessCovs } from '@bcoe/v8-coverage';
import createDebug from 'debug';
import libCoverage from 'istanbul-lib-coverage';
import libReport from 'istanbul-lib-report';
import libSourceMaps from 'istanbul-lib-source-maps';
import reports from 'istanbul-reports';
import MagicString from 'magic-string';
import { parseModule } from 'magicast';
import { provider } from 'std-env';
import TestExclude from 'test-exclude';
import c from 'tinyrainbow';
import require$$0 from 'assert';
import require$$2 from 'util';
import require$$3 from 'path';
import require$$4 from 'url';
import require$$9 from 'fs';
import require$$11 from 'module';
import { builtinModules } from 'node:module';
import { BaseCoverageProvider } from 'vitest/coverage';

const _DRIVE_LETTER_START_RE = /^[A-Za-z]:\//;
function normalizeWindowsPath(input = "") {
  if (!input) {
    return input;
  }
  return input.replace(/\\/g, "/").replace(_DRIVE_LETTER_START_RE, (r) => r.toUpperCase());
}

const _UNC_REGEX = /^[/\\]{2}/;
const _IS_ABSOLUTE_RE = /^[/\\](?![/\\])|^[/\\]{2}(?!\.)|^[A-Za-z]:[/\\]/;
const _DRIVE_LETTER_RE = /^[A-Za-z]:$/;
const normalize = function(path) {
  if (path.length === 0) {
    return ".";
  }
  path = normalizeWindowsPath(path);
  const isUNCPath = path.match(_UNC_REGEX);
  const isPathAbsolute = isAbsolute(path);
  const trailingSeparator = path[path.length - 1] === "/";
  path = normalizeString(path, !isPathAbsolute);
  if (path.length === 0) {
    if (isPathAbsolute) {
      return "/";
    }
    return trailingSeparator ? "./" : ".";
  }
  if (trailingSeparator) {
    path += "/";
  }
  if (_DRIVE_LETTER_RE.test(path)) {
    path += "/";
  }
  if (isUNCPath) {
    if (!isPathAbsolute) {
      return `//./${path}`;
    }
    return `//${path}`;
  }
  return isPathAbsolute && !isAbsolute(path) ? `/${path}` : path;
};
function cwd() {
  if (typeof process !== "undefined" && typeof process.cwd === "function") {
    return process.cwd().replace(/\\/g, "/");
  }
  return "/";
}
const resolve = function(...arguments_) {
  arguments_ = arguments_.map((argument) => normalizeWindowsPath(argument));
  let resolvedPath = "";
  let resolvedAbsolute = false;
  for (let index = arguments_.length - 1; index >= -1 && !resolvedAbsolute; index--) {
    const path = index >= 0 ? arguments_[index] : cwd();
    if (!path || path.length === 0) {
      continue;
    }
    resolvedPath = `${path}/${resolvedPath}`;
    resolvedAbsolute = isAbsolute(path);
  }
  resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute);
  if (resolvedAbsolute && !isAbsolute(resolvedPath)) {
    return `/${resolvedPath}`;
  }
  return resolvedPath.length > 0 ? resolvedPath : ".";
};
function normalizeString(path, allowAboveRoot) {
  let res = "";
  let lastSegmentLength = 0;
  let lastSlash = -1;
  let dots = 0;
  let char = null;
  for (let index = 0; index <= path.length; ++index) {
    if (index < path.length) {
      char = path[index];
    } else if (char === "/") {
      break;
    } else {
      char = "/";
    }
    if (char === "/") {
      if (lastSlash === index - 1 || dots === 1) ; else if (dots === 2) {
        if (res.length < 2 || lastSegmentLength !== 2 || res[res.length - 1] !== "." || res[res.length - 2] !== ".") {
          if (res.length > 2) {
            const lastSlashIndex = res.lastIndexOf("/");
            if (lastSlashIndex === -1) {
              res = "";
              lastSegmentLength = 0;
            } else {
              res = res.slice(0, lastSlashIndex);
              lastSegmentLength = res.length - 1 - res.lastIndexOf("/");
            }
            lastSlash = index;
            dots = 0;
            continue;
          } else if (res.length > 0) {
            res = "";
            lastSegmentLength = 0;
            lastSlash = index;
            dots = 0;
            continue;
          }
        }
        if (allowAboveRoot) {
          res += res.length > 0 ? "/.." : "..";
          lastSegmentLength = 2;
        }
      } else {
        if (res.length > 0) {
          res += `/${path.slice(lastSlash + 1, index)}`;
        } else {
          res = path.slice(lastSlash + 1, index);
        }
        lastSegmentLength = index - lastSlash - 1;
      }
      lastSlash = index;
      dots = 0;
    } else if (char === "." && dots !== -1) {
      ++dots;
    } else {
      dots = -1;
    }
  }
  return res;
}
const isAbsolute = function(p) {
  return _IS_ABSOLUTE_RE.test(p);
};

function getDefaultExportFromCjs (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

var convertSourceMap = {};

var hasRequiredConvertSourceMap;

function requireConvertSourceMap () {
	if (hasRequiredConvertSourceMap) return convertSourceMap;
	hasRequiredConvertSourceMap = 1;
	(function (exports) {

		Object.defineProperty(exports, 'commentRegex', {
		  get: function getCommentRegex () {
		    // Groups: 1: media type, 2: MIME type, 3: charset, 4: encoding, 5: data.
		    return /^\s*?\/[\/\*][@#]\s+?sourceMappingURL=data:(((?:application|text)\/json)(?:;charset=([^;,]+?)?)?)?(?:;(base64))?,(.*?)$/mg;
		  }
		});


		Object.defineProperty(exports, 'mapFileCommentRegex', {
		  get: function getMapFileCommentRegex () {
		    // Matches sourceMappingURL in either // or /* comment styles.
		    return /(?:\/\/[@#][ \t]+?sourceMappingURL=([^\s'"`]+?)[ \t]*?$)|(?:\/\*[@#][ \t]+sourceMappingURL=([^*]+?)[ \t]*?(?:\*\/){1}[ \t]*?$)/mg;
		  }
		});

		var decodeBase64;
		if (typeof Buffer !== 'undefined') {
		  if (typeof Buffer.from === 'function') {
		    decodeBase64 = decodeBase64WithBufferFrom;
		  } else {
		    decodeBase64 = decodeBase64WithNewBuffer;
		  }
		} else {
		  decodeBase64 = decodeBase64WithAtob;
		}

		function decodeBase64WithBufferFrom(base64) {
		  return Buffer.from(base64, 'base64').toString();
		}

		function decodeBase64WithNewBuffer(base64) {
		  if (typeof value === 'number') {
		    throw new TypeError('The value to decode must not be of type number.');
		  }
		  return new Buffer(base64, 'base64').toString();
		}

		function decodeBase64WithAtob(base64) {
		  return decodeURIComponent(escape(atob(base64)));
		}

		function stripComment(sm) {
		  return sm.split(',').pop();
		}

		function readFromFileMap(sm, read) {
		  var r = exports.mapFileCommentRegex.exec(sm);
		  // for some odd reason //# .. captures in 1 and /* .. */ in 2
		  var filename = r[1] || r[2];

		  try {
		    var sm = read(filename);
		    if (sm != null && typeof sm.catch === 'function') {
		      return sm.catch(throwError);
		    } else {
		      return sm;
		    }
		  } catch (e) {
		    throwError(e);
		  }

		  function throwError(e) {
		    throw new Error('An error occurred while trying to read the map file at ' + filename + '\n' + e.stack);
		  }
		}

		function Converter (sm, opts) {
		  opts = opts || {};

		  if (opts.hasComment) {
		    sm = stripComment(sm);
		  }

		  if (opts.encoding === 'base64') {
		    sm = decodeBase64(sm);
		  } else if (opts.encoding === 'uri') {
		    sm = decodeURIComponent(sm);
		  }

		  if (opts.isJSON || opts.encoding) {
		    sm = JSON.parse(sm);
		  }

		  this.sourcemap = sm;
		}

		Converter.prototype.toJSON = function (space) {
		  return JSON.stringify(this.sourcemap, null, space);
		};

		if (typeof Buffer !== 'undefined') {
		  if (typeof Buffer.from === 'function') {
		    Converter.prototype.toBase64 = encodeBase64WithBufferFrom;
		  } else {
		    Converter.prototype.toBase64 = encodeBase64WithNewBuffer;
		  }
		} else {
		  Converter.prototype.toBase64 = encodeBase64WithBtoa;
		}

		function encodeBase64WithBufferFrom() {
		  var json = this.toJSON();
		  return Buffer.from(json, 'utf8').toString('base64');
		}

		function encodeBase64WithNewBuffer() {
		  var json = this.toJSON();
		  if (typeof json === 'number') {
		    throw new TypeError('The json to encode must not be of type number.');
		  }
		  return new Buffer(json, 'utf8').toString('base64');
		}

		function encodeBase64WithBtoa() {
		  var json = this.toJSON();
		  return btoa(unescape(encodeURIComponent(json)));
		}

		Converter.prototype.toURI = function () {
		  var json = this.toJSON();
		  return encodeURIComponent(json);
		};

		Converter.prototype.toComment = function (options) {
		  var encoding, content, data;
		  if (options != null && options.encoding === 'uri') {
		    encoding = '';
		    content = this.toURI();
		  } else {
		    encoding = ';base64';
		    content = this.toBase64();
		  }
		  data = 'sourceMappingURL=data:application/json;charset=utf-8' + encoding + ',' + content;
		  return options != null && options.multiline ? '/*# ' + data + ' */' : '//# ' + data;
		};

		// returns copy instead of original
		Converter.prototype.toObject = function () {
		  return JSON.parse(this.toJSON());
		};

		Converter.prototype.addProperty = function (key, value) {
		  if (this.sourcemap.hasOwnProperty(key)) throw new Error('property "' + key + '" already exists on the sourcemap, use set property instead');
		  return this.setProperty(key, value);
		};

		Converter.prototype.setProperty = function (key, value) {
		  this.sourcemap[key] = value;
		  return this;
		};

		Converter.prototype.getProperty = function (key) {
		  return this.sourcemap[key];
		};

		exports.fromObject = function (obj) {
		  return new Converter(obj);
		};

		exports.fromJSON = function (json) {
		  return new Converter(json, { isJSON: true });
		};

		exports.fromURI = function (uri) {
		  return new Converter(uri, { encoding: 'uri' });
		};

		exports.fromBase64 = function (base64) {
		  return new Converter(base64, { encoding: 'base64' });
		};

		exports.fromComment = function (comment) {
		  var m, encoding;
		  comment = comment
		    .replace(/^\/\*/g, '//')
		    .replace(/\*\/$/g, '');
		  m = exports.commentRegex.exec(comment);
		  encoding = m && m[4] || 'uri';
		  return new Converter(comment, { encoding: encoding, hasComment: true });
		};

		function makeConverter(sm) {
		  return new Converter(sm, { isJSON: true });
		}

		exports.fromMapFileComment = function (comment, read) {
		  if (typeof read === 'string') {
		    throw new Error(
		      'String directory paths are no longer supported with `fromMapFileComment`\n' +
		      'Please review the Upgrading documentation at https://github.com/thlorenz/convert-source-map#upgrading'
		    )
		  }

		  var sm = readFromFileMap(comment, read);
		  if (sm != null && typeof sm.then === 'function') {
		    return sm.then(makeConverter);
		  } else {
		    return makeConverter(sm);
		  }
		};

		// Finds last sourcemap comment in file or returns null if none was found
		exports.fromSource = function (content) {
		  var m = content.match(exports.commentRegex);
		  return m ? exports.fromComment(m.pop()) : null;
		};

		// Finds last sourcemap comment in file or returns null if none was found
		exports.fromMapFileSource = function (content, read) {
		  if (typeof read === 'string') {
		    throw new Error(
		      'String directory paths are no longer supported with `fromMapFileSource`\n' +
		      'Please review the Upgrading documentation at https://github.com/thlorenz/convert-source-map#upgrading'
		    )
		  }
		  var m = content.match(exports.mapFileCommentRegex);
		  return m ? exports.fromMapFileComment(m.pop(), read) : null;
		};

		exports.removeComments = function (src) {
		  return src.replace(exports.commentRegex, '');
		};

		exports.removeMapFileComments = function (src) {
		  return src.replace(exports.mapFileCommentRegex, '');
		};

		exports.generateMapFileComment = function (file, options) {
		  var data = 'sourceMappingURL=' + file;
		  return options && options.multiline ? '/*# ' + data + ' */' : '//# ' + data;
		}; 
	} (convertSourceMap));
	return convertSourceMap;
}

var branch;
var hasRequiredBranch;

function requireBranch () {
	if (hasRequiredBranch) return branch;
	hasRequiredBranch = 1;
	branch = class CovBranch {
	  constructor (startLine, startCol, endLine, endCol, count) {
	    this.startLine = startLine;
	    this.startCol = startCol;
	    this.endLine = endLine;
	    this.endCol = endCol;
	    this.count = count;
	  }

	  toIstanbul () {
	    const location = {
	      start: {
	        line: this.startLine,
	        column: this.startCol
	      },
	      end: {
	        line: this.endLine,
	        column: this.endCol
	      }
	    };
	    return {
	      type: 'branch',
	      line: this.startLine,
	      loc: location,
	      locations: [Object.assign({}, location)]
	    }
	  }
	};
	return branch;
}

var _function;
var hasRequired_function;

function require_function () {
	if (hasRequired_function) return _function;
	hasRequired_function = 1;
	_function = class CovFunction {
	  constructor (name, startLine, startCol, endLine, endCol, count) {
	    this.name = name;
	    this.startLine = startLine;
	    this.startCol = startCol;
	    this.endLine = endLine;
	    this.endCol = endCol;
	    this.count = count;
	  }

	  toIstanbul () {
	    const loc = {
	      start: {
	        line: this.startLine,
	        column: this.startCol
	      },
	      end: {
	        line: this.endLine,
	        column: this.endCol
	      }
	    };
	    return {
	      name: this.name,
	      decl: loc,
	      loc,
	      line: this.startLine
	    }
	  }
	};
	return _function;
}

var line;
var hasRequiredLine;

function requireLine () {
	if (hasRequiredLine) return line;
	hasRequiredLine = 1;
	line = class CovLine {
	  constructor (line, startCol, lineStr) {
	    this.line = line;
	    // note that startCol and endCol are absolute positions
	    // within a file, not relative to the line.
	    this.startCol = startCol;

	    // the line length itself does not include the newline characters,
	    // these are however taken into account when enumerating absolute offset.
	    const matchedNewLineChar = lineStr.match(/\r?\n$/u);
	    const newLineLength = matchedNewLineChar ? matchedNewLineChar[0].length : 0;
	    this.endCol = startCol + lineStr.length - newLineLength;

	    // we start with all lines having been executed, and work
	    // backwards zeroing out lines based on V8 output.
	    this.count = 1;

	    // set by source.js during parsing, if /* c8 ignore next */ is found.
	    this.ignore = false;
	  }

	  toIstanbul () {
	    return {
	      start: {
	        line: this.line,
	        column: 0
	      },
	      end: {
	        line: this.line,
	        column: this.endCol - this.startCol
	      }
	    }
	  }
	};
	return line;
}

var range = {};

/**
 * ...something resembling a binary search, to find the lowest line within the range.
 * And then you could break as soon as the line is longer than the range...
 */

var hasRequiredRange;

function requireRange () {
	if (hasRequiredRange) return range;
	hasRequiredRange = 1;
	range.sliceRange = (lines, startCol, endCol, inclusive = false) => {
	  let start = 0;
	  let end = lines.length;

	  if (inclusive) {
	    // I consider this a temporary solution until I find an alternaive way to fix the "off by one issue"
	    --startCol;
	  }

	  while (start < end) {
	    let mid = (start + end) >> 1;
	    if (startCol >= lines[mid].endCol) {
	      start = mid + 1;
	    } else if (endCol < lines[mid].startCol) {
	      end = mid - 1;
	    } else {
	      end = mid;
	      while (mid >= 0 && startCol < lines[mid].endCol && endCol >= lines[mid].startCol) {
	        --mid;
	      }
	      start = mid + 1;
	      break
	    }
	  }

	  while (end < lines.length && startCol < lines[end].endCol && endCol >= lines[end].startCol) {
	    ++end;
	  }

	  return lines.slice(start, end)
	};
	return range;
}

var traceMapping_umd$1 = {exports: {}};

var sourcemapCodec_umd$1 = {exports: {}};

var sourcemapCodec_umd = sourcemapCodec_umd$1.exports;

var hasRequiredSourcemapCodec_umd;

function requireSourcemapCodec_umd () {
	if (hasRequiredSourcemapCodec_umd) return sourcemapCodec_umd$1.exports;
	hasRequiredSourcemapCodec_umd = 1;
	(function (module, exports) {
		(function (global, factory) {
		    factory(exports) ;
		})(sourcemapCodec_umd, (function (exports) {
		    const comma = ','.charCodeAt(0);
		    const semicolon = ';'.charCodeAt(0);
		    const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
		    const intToChar = new Uint8Array(64); // 64 possible chars.
		    const charToInt = new Uint8Array(128); // z is 122 in ASCII
		    for (let i = 0; i < chars.length; i++) {
		        const c = chars.charCodeAt(i);
		        intToChar[i] = c;
		        charToInt[c] = i;
		    }
		    function decodeInteger(reader, relative) {
		        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);
		        const shouldNegate = value & 1;
		        value >>>= 1;
		        if (shouldNegate) {
		            value = -2147483648 | -value;
		        }
		        return relative + value;
		    }
		    function encodeInteger(builder, num, relative) {
		        let delta = num - relative;
		        delta = delta < 0 ? (-delta << 1) | 1 : delta << 1;
		        do {
		            let clamped = delta & 0b011111;
		            delta >>>= 5;
		            if (delta > 0)
		                clamped |= 0b100000;
		            builder.write(intToChar[clamped]);
		        } while (delta > 0);
		        return num;
		    }
		    function hasMoreVlq(reader, max) {
		        if (reader.pos >= max)
		            return false;
		        return reader.peek() !== comma;
		    }

		    const bufLength = 1024 * 16;
		    // Provide a fallback for older environments.
		    const 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;
		                },
		            };
		    class StringWriter {
		        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;
		        }
		    }
		    class StringReader {
		        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;
		        }
		    }

		    const 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 = decodeInteger(reader, line);
		            const column = decodeInteger(reader, 0);
		            if (!hasMoreVlq(reader, length)) {
		                const last = stack.pop();
		                last[2] = line;
		                last[3] = column;
		                continue;
		            }
		            const kind = decodeInteger(reader, 0);
		            const fields = decodeInteger(reader, 0);
		            const hasName = fields & 0b0001;
		            const scope = (hasName ? [line, column, 0, 0, kind, decodeInteger(reader, 0)] : [line, column, 0, 0, kind]);
		            let vars = EMPTY;
		            if (hasMoreVlq(reader, length)) {
		                vars = [];
		                do {
		                    const varsIndex = decodeInteger(reader, 0);
		                    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);
		        state[0] = encodeInteger(writer, startLine, state[0]);
		        encodeInteger(writer, startColumn, 0);
		        encodeInteger(writer, kind, 0);
		        const fields = scope.length === 6 ? 0b0001 : 0;
		        encodeInteger(writer, fields, 0);
		        if (scope.length === 6)
		            encodeInteger(writer, scope[5], 0);
		        for (const v of vars) {
		            encodeInteger(writer, v, 0);
		        }
		        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);
		        state[0] = encodeInteger(writer, endLine, state[0]);
		        encodeInteger(writer, endColumn, 0);
		        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 = decodeInteger(reader, genColumn);
		                if (!hasMoreVlq(reader, semi)) {
		                    const last = stack.pop();
		                    last[2] = genLine;
		                    last[3] = genColumn;
		                    continue;
		                }
		                const fields = decodeInteger(reader, 0);
		                const hasDefinition = fields & 0b0001;
		                const hasCallsite = fields & 0b0010;
		                const hasScope = fields & 0b0100;
		                let callsite = null;
		                let bindings = EMPTY;
		                let range;
		                if (hasDefinition) {
		                    const defSourcesIndex = decodeInteger(reader, definitionSourcesIndex);
		                    definitionScopeIndex = 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 = decodeInteger(reader, callsiteSourcesIndex);
		                    const sameSource = prevCsi === callsiteSourcesIndex;
		                    callsiteLine = decodeInteger(reader, sameSource ? callsiteLine : 0);
		                    callsiteColumn = decodeInteger(reader, sameSource && prevLine === callsiteLine ? callsiteColumn : 0);
		                    callsite = [callsiteSourcesIndex, callsiteLine, callsiteColumn];
		                }
		                range.callsite = callsite;
		                if (hasMoreVlq(reader, semi)) {
		                    bindings = [];
		                    do {
		                        bindingLine = genLine;
		                        bindingColumn = genColumn;
		                        const expressionsCount = decodeInteger(reader, 0);
		                        let expressionRanges;
		                        if (expressionsCount < -1) {
		                            expressionRanges = [[decodeInteger(reader, 0)]];
		                            for (let i = -1; i > expressionsCount; i--) {
		                                const prevBl = bindingLine;
		                                bindingLine = decodeInteger(reader, bindingLine);
		                                bindingColumn = decodeInteger(reader, bindingLine === prevBl ? bindingColumn : 0);
		                                const expression = decodeInteger(reader, 0);
		                                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);
		        }
		        state[1] = encodeInteger(writer, range[1], state[1]);
		        const fields = (range.length === 6 ? 0b0001 : 0) | (callsite ? 0b0010 : 0) | (isScope ? 0b0100 : 0);
		        encodeInteger(writer, fields, 0);
		        if (range.length === 6) {
		            const { 4: sourcesIndex, 5: scopesIndex } = range;
		            if (sourcesIndex !== state[2]) {
		                state[3] = 0;
		            }
		            state[2] = encodeInteger(writer, sourcesIndex, state[2]);
		            state[3] = encodeInteger(writer, scopesIndex, state[3]);
		        }
		        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;
		            }
		            state[4] = encodeInteger(writer, sourcesIndex, state[4]);
		            state[5] = encodeInteger(writer, callLine, state[5]);
		            state[6] = encodeInteger(writer, callColumn, state[6]);
		        }
		        if (bindings) {
		            for (const binding of bindings) {
		                if (binding.length > 1)
		                    encodeInteger(writer, -binding.length, 0);
		                const expression = binding[0][0];
		                encodeInteger(writer, expression, 0);
		                let bindingStartLine = startLine;
		                let bindingStartColumn = startColumn;
		                for (let i = 1; i < binding.length; i++) {
		                    const expRange = binding[i];
		                    bindingStartLine = encodeInteger(writer, expRange[1], bindingStartLine);
		                    bindingStartColumn = encodeInteger(writer, expRange[2], bindingStartColumn);
		                    encodeInteger(writer, expRange[0], 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);
		        }
		        state[1] = encodeInteger(writer, endColumn, state[1]);
		        return index;
		    }
		    function catchupLine(writer, lastLine, line) {
		        do {
		            writer.write(semicolon);
		        } while (++lastLine < line);
		    }

		    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 = decodeInteger(reader, genColumn);
		                if (genColumn < lastCol)
		                    sorted = false;
		                lastCol = genColumn;
		                if (hasMoreVlq(reader, semi)) {
		                    sourcesIndex = decodeInteger(reader, sourcesIndex);
		                    sourceLine = decodeInteger(reader, sourceLine);
		                    sourceColumn = decodeInteger(reader, sourceColumn);
		                    if (hasMoreVlq(reader, semi)) {
		                        namesIndex = decodeInteger(reader, namesIndex);
		                        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);
		                genColumn = encodeInteger(writer, segment[0], genColumn);
		                if (segment.length === 1)
		                    continue;
		                sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex);
		                sourceLine = encodeInteger(writer, segment[2], sourceLine);
		                sourceColumn = encodeInteger(writer, segment[3], sourceColumn);
		                if (segment.length === 4)
		                    continue;
		                namesIndex = encodeInteger(writer, segment[4], namesIndex);
		            }
		        }
		        return writer.flush();
		    }

		    exports.decode = decode;
		    exports.decodeGeneratedRanges = decodeGeneratedRanges;
		    exports.decodeOriginalScopes = decodeOriginalScopes;
		    exports.encode = encode;
		    exports.encodeGeneratedRanges = encodeGeneratedRanges;
		    exports.encodeOriginalScopes = encodeOriginalScopes;

		    Object.defineProperty(exports, '__esModule', { value: true });

		}));
		
	} (sourcemapCodec_umd$1, sourcemapCodec_umd$1.exports));
	return sourcemapCodec_umd$1.exports;
}

var resolveUri_umd$1 = {exports: {}};

var resolveUri_umd = resolveUri_umd$1.exports;

var hasRequiredResolveUri_umd;

function requireResolveUri_umd () {
	if (hasRequiredResolveUri_umd) return resolveUri_umd$1.exports;
	hasRequiredResolveUri_umd = 1;
	(function (module, exports) {
		(function (global, factory) {
		    module.exports = factory() ;
		})(resolveUri_umd, (function () {
		    // Matches the scheme of a URL, eg "http://"
		    const schemeRegex = /^[\w+.-]+:\/\//;
		    /**
		     * Matches the parts of a URL:
		     * 1. Scheme, including ":", guaranteed.
		     * 2. User/password, including "@", optional.
		     * 3. Host, guaranteed.
		     * 4. Port, including ":", optional.
		     * 5. Path, including "/", optional.
		     * 6. Query, including "?", optional.
		     * 7. Hash, including "#", optional.
		     */
		    const urlRegex = /^([\w+.-]+:)\/\/([^@/#?]*@)?([^:/#?]*)(:\d+)?(\/[^#?]*)?(\?[^#]*)?(#.*)?/;
		    /**
		     * File URLs are weird. They dont' need the regular `//` in the scheme, they may or may not start
		     * with a leading `/`, they can have a domain (but only if they don't start with a Windows drive).
		     *
		     * 1. Host, optional.
		     * 2. Path, which may include "/", guaranteed.
		     * 3. Query, including "?", optional.
		     * 4. Hash, including "#", optional.
		     */
		    const fileRegex = /^file:(?:\/\/((?![a-z]:)[^/#?]*)?)?(\/?[^#?]*)(\?[^#]*)?(#.*)?/i;
		    var UrlType;
		    (function (UrlType) {
		        UrlType[UrlType["Empty"] = 1] = "Empty";
		        UrlType[UrlType["Hash"] = 2] = "Hash";
		        UrlType[UrlType["Query"] = 3] = "Query";
		        UrlType[UrlType["RelativePath"] = 4] = "RelativePath";
		        UrlType[UrlType["AbsolutePath"] = 5] = "AbsolutePath";
		        UrlType[UrlType["SchemeRelative"] = 6] = "SchemeRelative";
		        UrlType[UrlType["Absolute"] = 7] = "Absolute";
		    })(UrlType || (UrlType = {}));
		    function isAbsoluteUrl(input) {
		        return schemeRegex.test(input);
		    }
		    function isSchemeRelativeUrl(input) {
		        return input.startsWith('//');
		    }
		    function isAbsolutePath(input) {
		        return input.startsWith('/');
		    }
		    function isFileUrl(input) {
		        return input.startsWith('file:');
		    }
		    function isRelative(input) {
		        return /^[.?#]/.test(input);
		    }
		    function parseAbsoluteUrl(input) {
		        const match = urlRegex.exec(input);
		        return makeUrl(match[1], match[2] || '', match[3], match[4] || '', match[5] || '/', match[6] || '', match[7] || '');
		    }
		    function parseFileUrl(input) {
		        const match = fileRegex.exec(input);
		        const path = match[2];
		        return makeUrl('file:', '', match[1] || '', '', isAbsolutePath(path) ? path : '/' + path, match[3] || '', match[4] || '');
		    }
		    function makeUrl(scheme, user, host, port, path, query, hash) {
		        return {
		            scheme,
		            user,
		            host,
		            port,
		            path,
		            query,
		            hash,
		            type: UrlType.Absolute,
		        };
		    }
		    function parseUrl(input) {
		        if (isSchemeRelativeUrl(input)) {
		            const url = parseAbsoluteUrl('http:' + input);
		            url.scheme = '';
		            url.type = UrlType.SchemeRelative;
		            return url;
		        }
		        if (isAbsolutePath(input)) {
		            const url = parseAbsoluteUrl('http://foo.com' + input);
		            url.scheme = '';
		            url.host = '';
		            url.type = UrlType.AbsolutePath;
		            return url;
		        }
		        if (isFileUrl(input))
		            return parseFileUrl(input);
		        if (isAbsoluteUrl(input))
		            return parseAbsoluteUrl(input);
		        const url = parseAbsoluteUrl('http://foo.com/' + input);
		        url.scheme = '';
		        url.host = '';
		        url.type = input
		            ? input.startsWith('?')
		                ? UrlType.Query
		                : input.startsWith('#')
		                    ? UrlType.Hash
		                    : UrlType.RelativePath
		            : UrlType.Empty;
		        return url;
		    }
		    function stripPathFilename(path) {
		        // If a path ends with a parent directory "..", then it's a relative path with excess parent
		        // paths. It's not a file, so we can't strip it.
		        if (path.endsWith('/..'))
		            return path;
		        const index = path.lastIndexOf('/');
		        return path.slice(0, index + 1);
		    }
		    function mergePaths(url, base) {
		        normalizePath(base, base.type);
		        // If the path is just a "/", then it was an empty path to begin with (remember, we're a relative
		        // path).
		        if (url.path === '/') {
		            url.path = base.path;
		        }
		        else {
		            // Resolution happens relative to the base path's directory, not the file.
		            url.path = stripPathFilename(base.path) + url.path;
		        }
		    }
		    /**
		     * The path can have empty directories "//", unneeded parents "foo/..", or current directory
		     * "foo/.". We need to normalize to a standard representation.
		     */
		    function normalizePath(url, type) {
		        const rel = type <= UrlType.RelativePath;
		        const pieces = url.path.split('/');
		        // We need to preserve the first piece always, so that we output a leading slash. The item at
		        // pieces[0] is an empty string.
		        let pointer = 1;
		        // Positive is the number of real directories we've output, used for popping a parent directory.
		        // Eg, "foo/bar/.." will have a positive 2, and we can decrement to be left with just "foo".
		        let positive = 0;
		        // We need to keep a trailing slash if we encounter an empty directory (eg, splitting "foo/" will
		        // generate `["foo", ""]` pieces). And, if we pop a parent directory. But once we encounter a
		        // real directory, we won't need to append, unless the other conditions happen again.
		        let addTrailingSlash = false;
		        for (let i = 1; i < pieces.length; i++) {
		            const piece = pieces[i];
		            // An empty directory, could be a trailing slash, or just a double "//" in the path.
		            if (!piece) {
		                addTrailingSlash = true;
		                continue;
		            }
		            // If we encounter a real directory, then we don't need to append anymore.
		            addTrailingSlash = false;
		            // A current directory, which we can always drop.
		            if (piece === '.')
		                continue;
		            // A parent directory, we need to see if there are any real directories we can pop. Else, we
		            // have an excess of parents, and we'll need to keep the "..".
		            if (piece === '..') {
		                if (positive) {
		                    addTrailingSlash = true;
		                    positive--;
		                    pointer--;
		                }
		                else if (rel) {
		                    // If we're in a relativePath, then we need to keep the excess parents. Else, in an absolute
		                    // URL, protocol relative URL, or an absolute path, we don't need to keep excess.
		                    pieces[pointer++] = piece;
		                }
		                continue;
		            }
		            // We've encountered a real directory. Move it to the next insertion pointer, which accounts for
		            // any popped or dropped directories.
		            pieces[pointer++] = piece;
		            positive++;
		        }
		        let path = '';
		        for (let i = 1; i < pointer; i++) {
		            path += '/' + pieces[i];
		        }
		        if (!path || (addTrailingSlash && !path.endsWith('/..'))) {
		            path += '/';
		        }
		        url.path = path;
		    }
		    /**
		     * Attempts to resolve `input` URL/path relative to `base`.
		     */
		    function resolve(input, base) {
		        if (!input && !base)
		            return '';
		        const url = parseUrl(input);
		        let inputType = url.type;
		        if (base && inputType !== UrlType.Absolute) {
		            const baseUrl = parseUrl(base);
		            const baseType = baseUrl.type;
		            switch (inputType) {
		                case UrlType.Empty:
		                    url.hash = baseUrl.hash;
		                // fall through
		                case UrlType.Hash:
		                    url.query = baseUrl.query;
		                // fall through
		                case UrlType.Query:
		                case UrlType.RelativePath:
		                    mergePaths(url, baseUrl);
		                // fall through
		                case UrlType.AbsolutePath:
		                    // The host, user, and port are joined, you can't copy one without the others.
		                    url.user = baseUrl.user;
		                    url.host = baseUrl.host;
		                    url.port = baseUrl.port;
		                // fall through
		                case UrlType.SchemeRelative:
		                    // The input doesn't have a schema at least, so we need to copy at least that over.
		                    url.scheme = baseUrl.scheme;
		            }
		            if (baseType > inputType)
		                inputType = baseType;
		        }
		        normalizePath(url, inputType);
		        const queryHash = url.query + url.hash;
		        switch (inputType) {
		            // This is impossible, because of the empty checks at the start of the function.
		            // case UrlType.Empty:
		            case UrlType.Hash:
		            case UrlType.Query:
		                return queryHash;
		            case UrlType.RelativePath: {
		                // The first char is always a "/", and we need it to be relative.
		                const path = url.path.slice(1);
		                if (!path)
		                    return queryHash || '.';
		                if (isRelative(base || input) && !isRelative(path)) {
		                    // If base started with a leading ".", or there is no base and input started with a ".",
		                    // then we need to ensure that the relative path starts with a ".". We don't know if
		                    // relative starts with a "..", though, so check before prepending.
		                    return './' + path + queryHash;
		                }
		                return path + queryHash;
		            }
		            case UrlType.AbsolutePath:
		                return url.path + queryHash;
		            default:
		                return url.scheme + '//' + url.user + url.host + url.port + url.path + queryHash;
		        }
		    }

		    return resolve;

		}));
		
	} (resolveUri_umd$1));
	return resolveUri_umd$1.exports;
}

var traceMapping_umd = traceMapping_umd$1.exports;

var hasRequiredTraceMapping_umd;

function requireTraceMapping_umd () {
	if (hasRequiredTraceMapping_umd) return traceMapping_umd$1.exports;
	hasRequiredTraceMapping_umd = 1;
	(function (module, exports) {
		(function (global, factory) {
		    factory(exports, requireSourcemapCodec_umd(), requireResolveUri_umd()) ;
		})(traceMapping_umd, (function (exports, sourcemapCodec, resolveUri) {
		    function resolve(input, base) {
		        // The base is always treated as a directory, if it's not empty.
		        // https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327
		        // https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401
		        if (base && !base.endsWith('/'))
		            base += '/';
		        return resolveUri(input, base);
		    }

		    /**
		     * Removes everything after the last "/", but leaves the slash.
		     */
		    function stripFilename(path) {
		        if (!path)
		            return '';
		        const index = path.lastIndexOf('/');
		        return path.slice(0, index + 1);
		    }

		    const COLUMN = 0;
		    const SOURCES_INDEX = 1;
		    const SOURCE_LINE = 2;
		    const SOURCE_COLUMN = 3;
		    const NAMES_INDEX = 4;
		    const REV_GENERATED_LINE = 1;
		    const REV_GENERATED_COLUMN = 2;

		    function maybeSort(mappings, owned) {
		        const unsortedIndex = nextUnsortedSegmentLine(mappings, 0);
		        if (unsortedIndex === mappings.length)
		            return mappings;
		        // If we own the array (meaning we parsed it from JSON), then we're free to directly mutate it. If
		        // not, we do not want to modify the consumer's input array.
		        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];
		    }

		    let found = false;
		    /**
		     * A binary search implementation that returns the index if a match is found.
		     * If no match is found, then the left-index (the index associated with the item that comes just
		     * before the desired index) is returned. To maintain proper sort order, a splice would happen at
		     * the next index:
		     *
		     * ```js
		     * const array = [1, 3];
		     * const needle = 2;
		     * const index = binarySearch(array, needle, (item, needle) => item - needle);
		     *
		     * assert.equal(index, 0);
		     * array.splice(index + 1, 0, needle);
		     * assert.deepEqual(array, [1, 2, 3]);
		     * ```
		     */
		    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,
		        };
		    }
		    /**
		     * This overly complicated beast is just to record the last tested line/column and the resulting
		     * index, allowing us to skip a few tests if mappings are monotonically increasing.
		     */
		    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) {
		                // lastIndex may be -1 if the previous needle was not fo