'use strict';

const twoslashProtocol = require('twoslash-protocol');

const defaultCompilerOptions = {
  strict: true,
  module: 99,
  target: 99,
  allowJs: true,
  skipDefaultLibCheck: true,
  skipLibCheck: true,
  moduleDetection: 3
};
const defaultHandbookOptions = {
  errors: [],
  noErrors: false,
  noErrorsCutted: false,
  noErrorValidation: false,
  noStaticSemanticInfo: false,
  showEmit: false,
  showEmittedFile: void 0,
  keepNotations: false
};

var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __publicField = (obj, key, value) => {
  __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
  return value;
};
class TwoslashError extends Error {
  constructor(title, description, recommendation, code) {
    let message = `
## ${title}

${description}
`;
    if (recommendation)
      message += `
${recommendation}`;
    if (code)
      message += `
${code}`;
    super(message);
    __publicField(this, "title");
    __publicField(this, "description");
    __publicField(this, "recommendation");
    __publicField(this, "code");
    this.title = title;
    this.description = description;
    this.recommendation = recommendation;
    this.code = code;
  }
}

const defaults = Object.freeze({
  ignoreUnknown: false,
  respectType: false,
  respectFunctionNames: false,
  respectFunctionProperties: false,
  unorderedObjects: true,
  unorderedArrays: false,
  unorderedSets: false,
  excludeKeys: void 0,
  excludeValues: void 0,
  replacer: void 0
});
function objectHash(object, options) {
  if (options) {
    options = { ...defaults, ...options };
  } else {
    options = defaults;
  }
  const hasher = createHasher(options);
  hasher.dispatch(object);
  return hasher.toString();
}
const defaultPrototypesKeys = Object.freeze([
  "prototype",
  "__proto__",
  "constructor"
]);
function createHasher(options) {
  let buff = "";
  let context = /* @__PURE__ */ new Map();
  const write = (str) => {
    buff += str;
  };
  return {
    toString() {
      return buff;
    },
    getContext() {
      return context;
    },
    dispatch(value) {
      if (options.replacer) {
        value = options.replacer(value);
      }
      const type = value === null ? "null" : typeof value;
      return this[type](value);
    },
    object(object) {
      if (object && typeof object.toJSON === "function") {
        return this.object(object.toJSON());
      }
      const objString = Object.prototype.toString.call(object);
      let objType = "";
      const objectLength = objString.length;
      if (objectLength < 10) {
        objType = "unknown:[" + objString + "]";
      } else {
        objType = objString.slice(8, objectLength - 1);
      }
      objType = objType.toLowerCase();
      let objectNumber = null;
      if ((objectNumber = context.get(object)) === void 0) {
        context.set(object, context.size);
      } else {
        return this.dispatch("[CIRCULAR:" + objectNumber + "]");
      }
      if (typeof Buffer !== "undefined" && Buffer.isBuffer && Buffer.isBuffer(object)) {
        write("buffer:");
        return write(object.toString("utf8"));
      }
      if (objType !== "object" && objType !== "function" && objType !== "asyncfunction") {
        if (this[objType]) {
          this[objType](object);
        } else if (!options.ignoreUnknown) {
          this.unkown(object, objType);
        }
      } else {
        let keys = Object.keys(object);
        if (options.unorderedObjects) {
          keys = keys.sort();
        }
        let extraKeys = [];
        if (options.respectType !== false && !isNativeFunction(object)) {
          extraKeys = defaultPrototypesKeys;
        }
        if (options.excludeKeys) {
          keys = keys.filter((key) => {
            return !options.excludeKeys(key);
          });
          extraKeys = extraKeys.filter((key) => {
            return !options.excludeKeys(key);
          });
        }
        write("object:" + (keys.length + extraKeys.length) + ":");
        const dispatchForKey = (key) => {
          this.dispatch(key);
          write(":");
          if (!options.excludeValues) {
            this.dispatch(object[key]);
          }
          write(",");
        };
        for (const key of keys) {
          dispatchForKey(key);
        }
        for (const key of extraKeys) {
          dispatchForKey(key);
        }
      }
    },
    array(arr, unordered) {
      unordered = unordered === void 0 ? options.unorderedArrays !== false : unordered;
      write("array:" + arr.length + ":");
      if (!unordered || arr.length <= 1) {
        for (const entry of arr) {
          this.dispatch(entry);
        }
        return;
      }
      const contextAdditions = /* @__PURE__ */ new Map();
      const entries = arr.map((entry) => {
        const hasher = createHasher(options);
        hasher.dispatch(entry);
        for (const [key, value] of hasher.getContext()) {
          contextAdditions.set(key, value);
        }
        return hasher.toString();
      });
      context = contextAdditions;
      entries.sort();
      return this.array(entries, false);
    },
    date(date) {
      return write("date:" + date.toJSON());
    },
    symbol(sym) {
      return write("symbol:" + sym.toString());
    },
    unkown(value, type) {
      write(type);
      if (!value) {
        return;
      }
      write(":");
      if (value && typeof value.entries === "function") {
        return this.array(
          Array.from(value.entries()),
          true
          /* ordered */
        );
      }
    },
    error(err) {
      return write("error:" + err.toString());
    },
    boolean(bool) {
      return write("bool:" + bool);
    },
    string(string) {
      write("string:" + string.length + ":");
      write(string);
    },
    function(fn) {
      write("fn:");
      if (isNativeFunction(fn)) {
        this.dispatch("[native]");
      } else {
        this.dispatch(fn.toString());
      }
      if (options.respectFunctionNames !== false) {
        this.dispatch("function-name:" + String(fn.name));
      }
      if (options.respectFunctionProperties) {
        this.object(fn);
      }
    },
    number(number) {
      return write("number:" + number);
    },
    xml(xml) {
      return write("xml:" + xml.toString());
    },
    null() {
      return write("Null");
    },
    undefined() {
      return write("Undefined");
    },
    regexp(regex) {
      return write("regex:" + regex.toString());
    },
    uint8array(arr) {
      write("uint8array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    uint8clampedarray(arr) {
      write("uint8clampedarray:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    int8array(arr) {
      write("int8array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    uint16array(arr) {
      write("uint16array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    int16array(arr) {
      write("int16array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    uint32array(arr) {
      write("uint32array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    int32array(arr) {
      write("int32array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    float32array(arr) {
      write("float32array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    float64array(arr) {
      write("float64array:");
      return this.dispatch(Array.prototype.slice.call(arr));
    },
    arraybuffer(arr) {
      write("arraybuffer:");
      return this.dispatch(new Uint8Array(arr));
    },
    url(url) {
      return write("url:" + url.toString());
    },
    map(map) {
      write("map:");
      const arr = [...map];
      return this.array(arr, options.unorderedSets !== false);
    },
    set(set) {
      write("set:");
      const arr = [...set];
      return this.array(arr, options.unorderedSets !== false);
    },
    file(file) {
      write("file:");
      return this.dispatch([file.name, file.size, file.type, file.lastModfied]);
    },
    blob() {
      if (options.ignoreUnknown) {
        return write("[blob]");
      }
      throw new Error(
        'Hashing Blob objects is currently not supported\nUse "options.replacer" or "options.ignoreUnknown"\n'
      );
    },
    domwindow() {
      return write("domwindow");
    },
    bigint(number) {
      return write("bigint:" + number.toString());
    },
    /* Node.js standard native objects */
    process() {
      return write("process");
    },
    timer() {
      return write("timer");
    },
    pipe() {
      return write("pipe");
    },
    tcp() {
      return write("tcp");
    },
    udp() {
      return write("udp");
    },
    tty() {
      return write("tty");
    },
    statwatcher() {
      return write("statwatcher");
    },
    securecontext() {
      return write("securecontext");
    },
    connection() {
      return write("connection");
    },
    zlib() {
      return write("zlib");
    },
    context() {
      return write("context");
    },
    nodescript() {
      return write("nodescript");
    },
    httpparser() {
      return write("httpparser");
    },
    dataview() {
      return write("dataview");
    },
    signal() {
      return write("signal");
    },
    fsevent() {
      return write("fsevent");
    },
    tlswrap() {
      return write("tlswrap");
    }
  };
}
const nativeFunc = "[native code] }";
const nativeFuncLength = nativeFunc.length;
function isNativeFunction(f) {
  if (typeof f !== "function") {
    return false;
  }
  return Function.prototype.toString.call(f).slice(-nativeFuncLength) === nativeFunc;
}

const reConfigBoolean = /^\/\/\s?@(\w+)$/gm;
const reConfigValue = /^\/\/\s?@(\w+):\s?(.+)$/gm;
const reAnnonateMarkers = /^\s*\/\/\s*\^(\?|\||\^+)( .*)?$/gm;
const reCutBefore = /^[\t\v\f ]*\/\/\s?---cut(-before)?---\r?\n/gm;
const reCutAfter = /^[\t\v\f ]*\/\/\s?---cut-after---$/gm;
const reCutStart = /^[\t\v\f ]*\/\/\s?---cut-start---$/gm;
const reCutEnd = /^[\t\v\f ]*\/\/\s?---cut-end---\r?\n/gm;
const reFilenamesMakers = /^[\t\v\f ]*\/\/\s?@filename: (.+)$/gm;

function getObjectHash(obj) {
  return objectHash(obj);
}
function parsePrimitive(value, type) {
  if (typeof value === type)
    return value;
  switch (type) {
    case "number":
      return +value;
    case "string":
      return value;
    case "boolean":
      return value.toLowerCase() === "true" || value.length === 0;
  }
  throw new TwoslashError(
    `Unknown primitive value in compiler flag`,
    `The only recognized primitives are number, string and boolean. Got ${type} with ${value}.`,
    `This is likely a typo.`
  );
}
function typesToExtension(types) {
  const map = {
    js: "js",
    javascript: "js",
    ts: "ts",
    typescript: "ts",
    tsx: "tsx",
    jsx: "jsx",
    json: "json",
    jsn: "json",
    map: "json",
    mts: "ts",
    cts: "ts",
    mjs: "js",
    cjs: "js"
  };
  if (map[types])
    return map[types];
  throw new TwoslashError(
    `Unknown TypeScript extension given to Twoslash`,
    `Received ${types} but Twoslash only accepts: ${Object.keys(map)} `,
    ``
  );
}
function getIdentifierTextSpans(ts, sourceFile, fileOffset) {
  const textSpans = [];
  checkChildren(sourceFile);
  return textSpans;
  function checkChildren(node) {
    ts.forEachChild(node, (child) => {
      if (ts.isIdentifier(child)) {
        const text = child.getText(sourceFile);
        const start = child.getStart(sourceFile, false) + fileOffset;
        const end = start + text.length;
        textSpans.push([start, end, text]);
      }
      checkChildren(child);
    });
  }
}
function getOptionValueFromMap(name, key, optMap) {
  const result = optMap.get(key.toLowerCase());
  if (result === void 0) {
    const keys = Array.from(optMap.keys());
    throw new TwoslashError(
      `Invalid inline compiler value`,
      `Got ${key} for ${name} but it is not a supported value by the TS compiler.`,
      `Allowed values: ${keys.join(",")}`
    );
  }
  return result;
}
function splitFiles(code, defaultFileName, root) {
  const matches = Array.from(code.matchAll(reFilenamesMakers));
  const allFilenames = matches.map((match) => match[1].trimEnd());
  let currentFileName = allFilenames.includes(defaultFileName) ? "__index__.ts" : defaultFileName;
  const files = [];
  let index = 0;
  for (const match of matches) {
    const offset = match.index;
    const content = code.slice(index, offset);
    if (content) {
      files.push({
        offset: index,
        filename: currentFileName,
        filepath: root + currentFileName,
        content,
        extension: getExtension(currentFileName)
      });
    }
    currentFileName = match[1].trimEnd();
    index = offset;
  }
  if (index < code.length) {
    const content = code.slice(index);
    files.push({
      offset: index,
      filename: currentFileName,
      filepath: root + currentFileName,
      content,
      extension: getExtension(currentFileName)
    });
  }
  return files;
}
function getExtension(fileName) {
  return fileName.split(".").pop();
}
function parseFlag(name, value, start, end, customTags, tsOptionDeclarations) {
  if (customTags.includes(name)) {
    return {
      type: "tag",
      name,
      value,
      start,
      end
    };
  }
  const compilerDecl = tsOptionDeclarations.find((d) => d.name.toLocaleLowerCase() === name.toLocaleLowerCase());
  if (compilerDecl) {
    switch (compilerDecl.type) {
      case "number":
      case "string":
      case "boolean":
        return {
          type: "compilerOptions",
          name: compilerDecl.name,
          value: parsePrimitive(value, compilerDecl.type),
          start,
          end
        };
      case "list": {
        const elementType = compilerDecl.element.type;
        const strings = value.split(",");
        const resolved = typeof elementType === "string" ? strings.map((v) => parsePrimitive(v, elementType)) : strings.map((v) => getOptionValueFromMap(compilerDecl.name, v, elementType));
        return {
          type: "compilerOptions",
          name: compilerDecl.name,
          value: resolved,
          start,
          end
        };
      }
      case "object":
        return {
          type: "compilerOptions",
          name: compilerDecl.name,
          value: JSON.parse(value),
          start,
          end
        };
      default: {
        return {
          type: "compilerOptions",
          name: compilerDecl.name,
          value: getOptionValueFromMap(compilerDecl.name, value, compilerDecl.type),
          start,
          end
        };
      }
    }
  }
  if (Object.keys(defaultHandbookOptions).includes(name)) {
    if (name === "errors" && typeof value === "string")
      value = value.split(" ").map(Number);
    if (name === "noErrors" && typeof value === "string") {
      if (value === "true")
        value = true;
      else if (value === "false")
        value = false;
      else
        value = value.split(" ").map(Number);
    }
    return {
      type: "handbookOptions",
      name,
      value,
      start,
      end
    };
  }
  return {
    type: "unknown",
    name,
    value,
    start,
    end
  };
}
function findFlagNotations(code, customTags, tsOptionDeclarations) {
  const flagNotations = [];
  Array.from(code.matchAll(reConfigBoolean)).forEach((match) => {
    const index = match.index;
    const name = match[1];
    flagNotations.push(
      parseFlag(name, true, index, index + match[0].length + 1, customTags, tsOptionDeclarations)
    );
  });
  Array.from(code.matchAll(reConfigValue)).forEach((match) => {
    const name = match[1];
    if (name === "filename")
      return;
    const index = match.index;
    const value = match[2];
    flagNotations.push(
      parseFlag(name, value, index, index + match[0].length + 1, customTags, tsOptionDeclarations)
    );
  });
  return flagNotations;
}
function findCutNotations(code, meta) {
  const removals = [];
  const cutBefore = [...code.matchAll(reCutBefore)];
  const cutAfter = [...code.matchAll(reCutAfter)];
  const cutStart = [...code.matchAll(reCutStart)];
  const cutEnd = [...code.matchAll(reCutEnd)];
  if (cutBefore.length) {
    const last = cutBefore[cutBefore.length - 1];
    removals.push([0, last.index + last[0].length]);
  }
  if (cutAfter.length) {
    const first = cutAfter[0];
    removals.push([first.index, code.length]);
  }
  if (cutStart.length !== cutEnd.length) {
    throw new TwoslashError(
      `Mismatched cut markers`,
      `You have ${cutStart.length} cut-starts and ${cutEnd.length} cut-ends`,
      `Make sure you have a matching pair for each.`
    );
  }
  for (let i = 0; i < cutStart.length; i++) {
    const start = cutStart[i];
    const end = cutEnd[i];
    if (start.index > end.index) {
      throw new TwoslashError(
        `Mismatched cut markers`,
        `You have a cut-start at ${start.index} which is after the cut-end at ${end.index}`,
        `Make sure you have a matching pair for each.`
      );
    }
    removals.push([start.index, end.index + end[0].length]);
  }
  if (meta)
    meta.removals.push(...removals);
  return removals;
}
function findQueryMarkers(code, meta, pc) {
  if (code.includes("//")) {
    const linesQuery = /* @__PURE__ */ new Set();
    Array.from(code.matchAll(reAnnonateMarkers)).forEach((match) => {
      const type = match[1];
      const index = match.index;
      meta.removals.push([index, index + match[0].length + 1]);
      const markerIndex = match[0].indexOf("^");
      const pos = pc.indexToPos(index + markerIndex);
      let targetLine = pos.line - 1;
      while (linesQuery.has(targetLine) && targetLine >= 0)
        targetLine -= 1;
      const targetIndex = pc.posToIndex(targetLine, pos.character);
      if (type === "?") {
        meta.positionQueries.push(targetIndex);
      } else if (type === "|") {
        meta.positionCompletions.push(targetIndex);
      } else {
        const markerLength = match[0].lastIndexOf("^") - markerIndex + 1;
        meta.positionHighlights.push([
          targetIndex,
          targetIndex + markerLength,
          match[2]?.trim()
        ]);
      }
      linesQuery.add(pos.line);
    });
  }
  return meta;
}
function removeTsExtension(filename) {
  const sansMapOrDTS = filename.replace(/\.map$/, "").replace(/\.d\.ts$/, ".ts").replace(/\.map$/, "");
  return sansMapOrDTS.replace(/\.[^/.]+$/, "");
}

const flagKeys = [
  "all",
  "allowArbitraryExtensions",
  "allowImportingTsExtensions",
  "allowJs",
  "allowSyntheticDefaultImports",
  "allowUmdGlobalAccess",
  "allowUnreachableCode",
  "allowUnusedLabels",
  "alwaysStrict",
  "assumeChangesOnlyAffectDirectDependencies",
  "baseUrl",
  "build",
  "charset",
  "checkJs",
  "composite",
  "customConditions",
  "declaration",
  "declarationDir",
  "declarationMap",
  "diagnostics",
  "disableReferencedProjectLoad",
  "disableSizeLimit",
  "disableSolutionSearching",
  "disableSourceOfProjectReferenceRedirect",
  "downlevelIteration",
  "emitBOM",
  "emitDeclarationOnly",
  "emitDecoratorMetadata",
  "errors",
  "esModuleInterop",
  "exactOptionalPropertyTypes",
  "experimentalDecorators",
  "explainFiles",
  "extendedDiagnostics",
  "forceConsistentCasingInFileNames",
  "generateCpuProfile",
  "generateTrace",
  "help",
  "help",
  "ignoreDeprecations",
  "importHelpers",
  "importsNotUsedAsValues",
  "incremental",
  "init",
  "inlineSourceMap",
  "inlineSources",
  "isolatedModules",
  "jsx",
  "jsxFactory",
  "jsxFragmentFactory",
  "jsxImportSource",
  "keepNotations",
  "keyofStringsOnly",
  "lib",
  "listEmittedFiles",
  "listFiles",
  "listFilesOnly",
  "locale",
  "mapRoot",
  "maxNodeModuleJsDepth",
  "module",
  "moduleDetection",
  "moduleResolution",
  "moduleSuffixes",
  "newLine",
  "noEmit",
  "noEmitHelpers",
  "noEmitOnError",
  "noErrorTruncation",
  "noErrorValidation",
  "noErrors",
  "noErrorsCutted",
  "noFallthroughCasesInSwitch",
  "noImplicitAny",
  "noImplicitOverride",
  "noImplicitReturns",
  "noImplicitThis",
  "noImplicitUseStrict",
  "noLib",
  "noPropertyAccessFromIndexSignature",
  "noResolve",
  "noStaticSemanticInfo",
  "noStrictGenericChecks",
  "noUncheckedIndexedAccess",
  "noUnusedLocals",
  "noUnusedParameters",
  "out",
  "outDir",
  "outFile",
  "paths",
  "plugins",
  "preserveConstEnums",
  "preserveSymlinks",
  "preserveValueImports",
  "preserveWatchOutput",
  "pretty",
  "project",
  "reactNamespace",
  "removeComments",
  "resolveJsonModule",
  "resolvePackageJsonExports",
  "resolvePackageJsonImports",
  "rootDir",
  "rootDirs",
  "showConfig",
  "showEmit",
  "showEmittedFile",
  "skipDefaultLibCheck",
  "skipLibCheck",
  "sourceMap",
  "sourceRoot",
  "strict",
  "strictBindCallApply",
  "strictFunctionTypes",
  "strictNullChecks",
  "strictPropertyInitialization",
  "stripInternal",
  "suppressExcessPropertyErrors",
  "suppressImplicitAnyIndexErrors",
  "target",
  "traceResolution",
  "tsBuildInfoFile",
  "typeRoots",
  "types",
  "useDefineForClassFields",
  "useUnknownInCatchVariables",
  "verbatimModuleSyntax",
  "version",
  "watch"
];

function removeTwoslashNotations(code, customTags) {
  const meta = {
    removals: []
  };
  const tags = [
    ...customTags ?? [],
    ...flagKeys
  ];
  Array.from(code.matchAll(reConfigBoolean)).forEach((match) => {
    if (!tags.includes(match[1]))
      return;
    meta.removals.push([match.index, match.index + match[0].length + 1]);
  });
  Array.from(code.matchAll(reConfigValue)).forEach((match) => {
    if (!tags.includes(match[1]))
      return;
    meta.removals.push([match.index, match.index + match[0].length + 1]);
  });
  findCutNotations(code, meta);
  Array.from(code.matchAll(reAnnonateMarkers)).forEach((match) => {
    const index = match.index;
    meta.removals.push([index, index + match[0].length + 1]);
  });
  return twoslashProtocol.removeCodeRanges(code, meta.removals).code;
}

exports.TwoslashError = TwoslashError;
exports.defaultCompilerOptions = defaultCompilerOptions;
exports.defaultHandbookOptions = defaultHandbookOptions;
exports.findCutNotations = findCutNotations;
exports.findFlagNotations = findFlagNotations;
exports.findQueryMarkers = findQueryMarkers;
exports.getExtension = getExtension;
exports.getIdentifierTextSpans = getIdentifierTextSpans;
exports.getObjectHash = getObjectHash;
exports.removeTsExtension = removeTsExtension;
exports.removeTwoslashNotations = removeTwoslashNotations;
exports.splitFiles = splitFiles;
exports.typesToExtension = typesToExtension;