const toCommandId = key => {
  const dotIndex = key.indexOf('.');
  return key.slice(dotIndex + 1);
};
const create$a = () => {
  const states = Object.create(null);
  const commandMapRef = {};
  return {
    clear() {
      for (const key of Object.keys(states)) {
        delete states[key];
      }
    },
    diff(uid, modules, numbers) {
      const {
        newState,
        oldState
      } = states[uid];
      const diffResult = [];
      for (let i = 0; i < modules.length; i++) {
        const fn = modules[i];
        if (!fn(oldState, newState)) {
          diffResult.push(numbers[i]);
        }
      }
      return diffResult;
    },
    dispose(uid) {
      delete states[uid];
    },
    get(uid) {
      return states[uid];
    },
    getCommandIds() {
      const keys = Object.keys(commandMapRef);
      const ids = keys.map(toCommandId);
      return ids;
    },
    getKeys() {
      return Object.keys(states).map(key => {
        return Number.parseFloat(key);
      });
    },
    registerCommands(commandMap) {
      Object.assign(commandMapRef, commandMap);
    },
    set(uid, oldState, newState) {
      states[uid] = {
        newState,
        oldState
      };
    },
    wrapCommand(fn) {
      const wrapped = async (uid, ...args) => {
        const {
          newState,
          oldState
        } = states[uid];
        const newerState = await fn(newState, ...args);
        if (oldState === newerState || newState === newerState) {
          return;
        }
        const latestOld = states[uid];
        const latestNew = {
          ...latestOld.newState,
          ...newerState
        };
        states[uid] = {
          newState: latestNew,
          oldState: latestOld.oldState
        };
      };
      return wrapped;
    },
    wrapGetter(fn) {
      const wrapped = (uid, ...args) => {
        const {
          newState
        } = states[uid];
        return fn(newState, ...args);
      };
      return wrapped;
    },
    wrapLoadContent(fn) {
      const wrapped = async (uid, ...args) => {
        const {
          newState,
          oldState
        } = states[uid];
        const result = await fn(newState, ...args);
        const {
          error,
          state
        } = result;
        if (oldState === state || newState === state) {
          return {
            error
          };
        }
        const latestOld = states[uid];
        const latestNew = {
          ...latestOld.newState,
          ...state
        };
        states[uid] = {
          newState: latestNew,
          oldState: latestOld.oldState
        };
        return {
          error
        };
      };
      return wrapped;
    }
  };
};
const terminate = () => {
  globalThis.close();
};

const {
  get: get$3,
  getCommandIds,
  getKeys: getKeys$1,
  registerCommands,
  set: set$4,
  wrapCommand,
  wrapGetter
} = create$a();

const create$9 = (uid, uri, x, y, width, height, platform, assetDir) => {
  const state = {
    assetDir,
    errorCount: 0,
    initial: true,
    platform,
    statusBarItemsLeft: [],
    statusBarItemsRight: [],
    uid,
    warningCount: 0
  };
  set$4(uid, state, state);
};

const isEqual = (oldState, newState) => {
  return oldState.statusBarItemsLeft === newState.statusBarItemsLeft && oldState.statusBarItemsRight === newState.statusBarItemsRight;
};

const RenderItems = 4;
const RenderIncremental = 11;

const modules = [isEqual];
const numbers = [RenderIncremental];

const diff = (oldState, newState) => {
  const diffResult = [];
  for (let i = 0; i < modules.length; i++) {
    const fn = modules[i];
    if (!fn(oldState, newState)) {
      diffResult.push(numbers[i]);
    }
  }
  return diffResult;
};

const diff2 = uid => {
  const {
    newState,
    oldState
  } = get$3(uid);
  const result = diff(oldState, newState);
  return result;
};

const getMatchingItemInternal = (items, name) => {
  for (const item of items) {
    if (item.name === name) {
      return item;
    }
  }
  return undefined;
};
const getMatchingItem = (itemsLeft, itemsRight, name) => {
  return getMatchingItemInternal(itemsLeft, name) ?? getMatchingItemInternal(itemsRight, name);
};

const normalizeLine = line => {
  if (line.startsWith('Error: ')) {
    return line.slice('Error: '.length);
  }
  if (line.startsWith('VError: ')) {
    return line.slice('VError: '.length);
  }
  return line;
};
const getCombinedMessage = (error, message) => {
  const stringifiedError = normalizeLine(`${error}`);
  if (message) {
    return `${message}: ${stringifiedError}`;
  }
  return stringifiedError;
};
const NewLine$2 = '\n';
const getNewLineIndex$1 = (string, startIndex = undefined) => {
  return string.indexOf(NewLine$2, startIndex);
};
const mergeStacks = (parent, child) => {
  if (!child) {
    return parent;
  }
  const parentNewLineIndex = getNewLineIndex$1(parent);
  const childNewLineIndex = getNewLineIndex$1(child);
  if (childNewLineIndex === -1) {
    return parent;
  }
  const parentFirstLine = parent.slice(0, parentNewLineIndex);
  const childRest = child.slice(childNewLineIndex);
  const childFirstLine = normalizeLine(child.slice(0, childNewLineIndex));
  if (parentFirstLine.includes(childFirstLine)) {
    return parentFirstLine + childRest;
  }
  return child;
};
class VError extends Error {
  constructor(error, message) {
    const combinedMessage = getCombinedMessage(error, message);
    super(combinedMessage);
    this.name = 'VError';
    if (error instanceof Error) {
      this.stack = mergeStacks(this.stack, error.stack);
    }
    if (error.codeFrame) {
      // @ts-ignore
      this.codeFrame = error.codeFrame;
    }
    if (error.code) {
      // @ts-ignore
      this.code = error.code;
    }
  }
}

class AssertionError extends Error {
  constructor(message) {
    super(message);
    this.name = 'AssertionError';
  }
}
const Object$1 = 1;
const Number$1 = 2;
const Array$1 = 3;
const String = 4;
const Boolean$1 = 5;
const Function = 6;
const Null = 7;
const Unknown = 8;
const getType = value => {
  switch (typeof value) {
    case 'number':
      return Number$1;
    case 'function':
      return Function;
    case 'string':
      return String;
    case 'object':
      if (value === null) {
        return Null;
      }
      if (Array.isArray(value)) {
        return Array$1;
      }
      return Object$1;
    case 'boolean':
      return Boolean$1;
    default:
      return Unknown;
  }
};
const number = value => {
  const type = getType(value);
  if (type !== Number$1) {
    throw new AssertionError('expected value to be of type number');
  }
};

const isMessagePort = value => {
  return value && value instanceof MessagePort;
};
const isMessagePortMain = value => {
  return value && value.constructor && value.constructor.name === 'MessagePortMain';
};
const isOffscreenCanvas = value => {
  return typeof OffscreenCanvas !== 'undefined' && value instanceof OffscreenCanvas;
};
const isInstanceOf = (value, constructorName) => {
  return value?.constructor?.name === constructorName;
};
const isSocket = value => {
  return isInstanceOf(value, 'Socket');
};
const transferrables = [isMessagePort, isMessagePortMain, isOffscreenCanvas, isSocket];
const isTransferrable = value => {
  for (const fn of transferrables) {
    if (fn(value)) {
      return true;
    }
  }
  return false;
};
const walkValue = (value, transferrables, isTransferrable) => {
  if (!value) {
    return;
  }
  if (isTransferrable(value)) {
    transferrables.push(value);
    return;
  }
  if (Array.isArray(value)) {
    for (const item of value) {
      walkValue(item, transferrables, isTransferrable);
    }
    return;
  }
  if (typeof value === 'object') {
    for (const property of Object.values(value)) {
      walkValue(property, transferrables, isTransferrable);
    }
    return;
  }
};
const getTransferrables = value => {
  const transferrables = [];
  walkValue(value, transferrables, isTransferrable);
  return transferrables;
};
const attachEvents = that => {
  const handleMessage = (...args) => {
    const data = that.getData(...args);
    that.dispatchEvent(new MessageEvent('message', {
      data
    }));
  };
  that.onMessage(handleMessage);
  const handleClose = event => {
    that.dispatchEvent(new Event('close'));
  };
  that.onClose(handleClose);
};
class Ipc extends EventTarget {
  constructor(rawIpc) {
    super();
    this._rawIpc = rawIpc;
    attachEvents(this);
  }
}
const E_INCOMPATIBLE_NATIVE_MODULE = 'E_INCOMPATIBLE_NATIVE_MODULE';
const E_MODULES_NOT_SUPPORTED_IN_ELECTRON = 'E_MODULES_NOT_SUPPORTED_IN_ELECTRON';
const ERR_MODULE_NOT_FOUND = 'ERR_MODULE_NOT_FOUND';
const NewLine$1 = '\n';
const joinLines$1 = lines => {
  return lines.join(NewLine$1);
};
const RE_AT = /^\s+at/;
const RE_AT_PROMISE_INDEX = /^\s*at async Promise.all \(index \d+\)$/;
const isNormalStackLine = line => {
  return RE_AT.test(line) && !RE_AT_PROMISE_INDEX.test(line);
};
const getDetails = lines => {
  const index = lines.findIndex(isNormalStackLine);
  if (index === -1) {
    return {
      actualMessage: joinLines$1(lines),
      rest: []
    };
  }
  let lastIndex = index - 1;
  while (++lastIndex < lines.length) {
    if (!isNormalStackLine(lines[lastIndex])) {
      break;
    }
  }
  return {
    actualMessage: lines[index - 1],
    rest: lines.slice(index, lastIndex)
  };
};
const splitLines$1 = lines => {
  return lines.split(NewLine$1);
};
const RE_MESSAGE_CODE_BLOCK_START = /^Error: The module '.*'$/;
const RE_MESSAGE_CODE_BLOCK_END = /^\s* at/;
const isMessageCodeBlockStartIndex = line => {
  return RE_MESSAGE_CODE_BLOCK_START.test(line);
};
const isMessageCodeBlockEndIndex = line => {
  return RE_MESSAGE_CODE_BLOCK_END.test(line);
};
const getMessageCodeBlock = stderr => {
  const lines = splitLines$1(stderr);
  const startIndex = lines.findIndex(isMessageCodeBlockStartIndex);
  const endIndex = startIndex + lines.slice(startIndex).findIndex(isMessageCodeBlockEndIndex, startIndex);
  const relevantLines = lines.slice(startIndex, endIndex);
  const relevantMessage = relevantLines.join(' ').slice('Error: '.length);
  return relevantMessage;
};
const isModuleNotFoundMessage = line => {
  return line.includes('[ERR_MODULE_NOT_FOUND]');
};
const getModuleNotFoundError = stderr => {
  const lines = splitLines$1(stderr);
  const messageIndex = lines.findIndex(isModuleNotFoundMessage);
  const message = lines[messageIndex];
  return {
    code: ERR_MODULE_NOT_FOUND,
    message
  };
};
const isModuleNotFoundError = stderr => {
  if (!stderr) {
    return false;
  }
  return stderr.includes('ERR_MODULE_NOT_FOUND');
};
const isModulesSyntaxError = stderr => {
  if (!stderr) {
    return false;
  }
  return stderr.includes('SyntaxError: Cannot use import statement outside a module');
};
const RE_NATIVE_MODULE_ERROR = /^innerError Error: Cannot find module '.*.node'/;
const RE_NATIVE_MODULE_ERROR_2 = /was compiled against a different Node.js version/;
const isUnhelpfulNativeModuleError = stderr => {
  return RE_NATIVE_MODULE_ERROR.test(stderr) && RE_NATIVE_MODULE_ERROR_2.test(stderr);
};
const getNativeModuleErrorMessage = stderr => {
  const message = getMessageCodeBlock(stderr);
  return {
    code: E_INCOMPATIBLE_NATIVE_MODULE,
    message: `Incompatible native node module: ${message}`
  };
};
const getModuleSyntaxError = () => {
  return {
    code: E_MODULES_NOT_SUPPORTED_IN_ELECTRON,
    message: `ES Modules are not supported in electron`
  };
};
const getHelpfulChildProcessError = (stdout, stderr) => {
  if (isUnhelpfulNativeModuleError(stderr)) {
    return getNativeModuleErrorMessage(stderr);
  }
  if (isModulesSyntaxError(stderr)) {
    return getModuleSyntaxError();
  }
  if (isModuleNotFoundError(stderr)) {
    return getModuleNotFoundError(stderr);
  }
  const lines = splitLines$1(stderr);
  const {
    actualMessage,
    rest
  } = getDetails(lines);
  return {
    code: '',
    message: actualMessage,
    stack: rest
  };
};
class IpcError extends VError {
  // @ts-ignore
  constructor(betterMessage, stdout = '', stderr = '') {
    if (stdout || stderr) {
      // @ts-ignore
      const {
        code,
        message,
        stack
      } = getHelpfulChildProcessError(stdout, stderr);
      const cause = new Error(message);
      // @ts-ignore
      cause.code = code;
      cause.stack = stack;
      super(cause, betterMessage);
    } else {
      super(betterMessage);
    }
    // @ts-ignore
    this.name = 'IpcError';
    // @ts-ignore
    this.stdout = stdout;
    // @ts-ignore
    this.stderr = stderr;
  }
}
const readyMessage = 'ready';
const getData$2 = event => {
  return event.data;
};
const listen$7 = () => {
  // @ts-ignore
  if (typeof WorkerGlobalScope === 'undefined') {
    throw new TypeError('module is not in web worker scope');
  }
  return globalThis;
};
const signal$8 = global => {
  global.postMessage(readyMessage);
};
class IpcChildWithModuleWorker extends Ipc {
  getData(event) {
    return getData$2(event);
  }
  send(message) {
    // @ts-ignore
    this._rawIpc.postMessage(message);
  }
  sendAndTransfer(message) {
    const transfer = getTransferrables(message);
    // @ts-ignore
    this._rawIpc.postMessage(message, transfer);
  }
  dispose() {
    // ignore
  }
  onClose(callback) {
    // ignore
  }
  onMessage(callback) {
    this._rawIpc.addEventListener('message', callback);
  }
}
const wrap$f = global => {
  return new IpcChildWithModuleWorker(global);
};
const waitForFirstMessage = async port => {
  const {
    promise,
    resolve
  } = Promise.withResolvers();
  port.addEventListener('message', resolve, {
    once: true
  });
  const event = await promise;
  // @ts-ignore
  return event.data;
};
const listen$6 = async () => {
  const parentIpcRaw = listen$7();
  signal$8(parentIpcRaw);
  const parentIpc = wrap$f(parentIpcRaw);
  const firstMessage = await waitForFirstMessage(parentIpc);
  if (firstMessage.method !== 'initialize') {
    throw new IpcError('unexpected first message');
  }
  const type = firstMessage.params[0];
  if (type === 'message-port') {
    parentIpc.send({
      id: firstMessage.id,
      jsonrpc: '2.0',
      result: null
    });
    parentIpc.dispose();
    const port = firstMessage.params[1];
    return port;
  }
  return globalThis;
};
class IpcChildWithModuleWorkerAndMessagePort extends Ipc {
  getData(event) {
    return getData$2(event);
  }
  send(message) {
    this._rawIpc.postMessage(message);
  }
  sendAndTransfer(message) {
    const transfer = getTransferrables(message);
    this._rawIpc.postMessage(message, transfer);
  }
  dispose() {
    if (this._rawIpc.close) {
      this._rawIpc.close();
    }
  }
  onClose(callback) {
    // ignore
  }
  onMessage(callback) {
    this._rawIpc.addEventListener('message', callback);
    this._rawIpc.start();
  }
}
const wrap$e = port => {
  return new IpcChildWithModuleWorkerAndMessagePort(port);
};
const IpcChildWithModuleWorkerAndMessagePort$1 = {
  __proto__: null,
  listen: listen$6,
  wrap: wrap$e
};
const addListener = (emitter, type, callback) => {
  if ('addEventListener' in emitter) {
    emitter.addEventListener(type, callback);
  } else {
    emitter.on(type, callback);
  }
};
const removeListener = (emitter, type, callback) => {
  if ('removeEventListener' in emitter) {
    emitter.removeEventListener(type, callback);
  } else {
    emitter.off(type, callback);
  }
};
const getFirstEvent = (eventEmitter, eventMap) => {
  const {
    promise,
    resolve
  } = Promise.withResolvers();
  const listenerMap = Object.create(null);
  const cleanup = value => {
    for (const event of Object.keys(eventMap)) {
      removeListener(eventEmitter, event, listenerMap[event]);
    }
    resolve(value);
  };
  for (const [event, type] of Object.entries(eventMap)) {
    const listener = event => {
      cleanup({
        event,
        type
      });
    };
    addListener(eventEmitter, event, listener);
    listenerMap[event] = listener;
  }
  return promise;
};
const Message$1 = 3;
const create$5$1 = async ({
  isMessagePortOpen,
  messagePort
}) => {
  if (!isMessagePort(messagePort)) {
    throw new IpcError('port must be of type MessagePort');
  }
  if (isMessagePortOpen) {
    return messagePort;
  }
  const eventPromise = getFirstEvent(messagePort, {
    message: Message$1
  });
  messagePort.start();
  const {
    event,
    type
  } = await eventPromise;
  if (type !== Message$1) {
    throw new IpcError('Failed to wait for ipc message');
  }
  if (event.data !== readyMessage) {
    throw new IpcError('unexpected first message');
  }
  return messagePort;
};
const signal$1 = messagePort => {
  messagePort.start();
};
class IpcParentWithMessagePort extends Ipc {
  getData = getData$2;
  send(message) {
    this._rawIpc.postMessage(message);
  }
  sendAndTransfer(message) {
    const transfer = getTransferrables(message);
    this._rawIpc.postMessage(message, transfer);
  }
  dispose() {
    this._rawIpc.close();
  }
  onMessage(callback) {
    this._rawIpc.addEventListener('message', callback);
  }
  onClose(callback) {}
}
const wrap$5 = messagePort => {
  return new IpcParentWithMessagePort(messagePort);
};
const IpcParentWithMessagePort$1 = {
  __proto__: null,
  create: create$5$1,
  signal: signal$1,
  wrap: wrap$5
};

class CommandNotFoundError extends Error {
  constructor(command) {
    super(`Command not found ${command}`);
    this.name = 'CommandNotFoundError';
  }
}
const commands = Object.create(null);
const register = commandMap => {
  Object.assign(commands, commandMap);
};
const getCommand = key => {
  return commands[key];
};
const execute = (command, ...args) => {
  const fn = getCommand(command);
  if (!fn) {
    throw new CommandNotFoundError(command);
  }
  return fn(...args);
};

const Two$1 = '2.0';
const callbacks = Object.create(null);
const get$2 = id => {
  return callbacks[id];
};
const remove$1 = id => {
  delete callbacks[id];
};
class JsonRpcError extends Error {
  constructor(message) {
    super(message);
    this.name = 'JsonRpcError';
  }
}
const NewLine = '\n';
const DomException = 'DOMException';
const ReferenceError$1 = 'ReferenceError';
const SyntaxError$1 = 'SyntaxError';
const TypeError$1 = 'TypeError';
const getErrorConstructor = (message, type) => {
  if (type) {
    switch (type) {
      case DomException:
        return DOMException;
      case ReferenceError$1:
        return ReferenceError;
      case SyntaxError$1:
        return SyntaxError;
      case TypeError$1:
        return TypeError;
      default:
        return Error;
    }
  }
  if (message.startsWith('TypeError: ')) {
    return TypeError;
  }
  if (message.startsWith('SyntaxError: ')) {
    return SyntaxError;
  }
  if (message.startsWith('ReferenceError: ')) {
    return ReferenceError;
  }
  return Error;
};
const constructError = (message, type, name) => {
  const ErrorConstructor = getErrorConstructor(message, type);
  if (ErrorConstructor === DOMException && name) {
    return new ErrorConstructor(message, name);
  }
  if (ErrorConstructor === Error) {
    const error = new Error(message);
    if (name && name !== 'VError') {
      error.name = name;
    }
    return error;
  }
  return new ErrorConstructor(message);
};
const joinLines = lines => {
  return lines.join(NewLine);
};
const splitLines = lines => {
  return lines.split(NewLine);
};
const getCurrentStack = () => {
  const stackLinesToSkip = 3;
  const currentStack = joinLines(splitLines(new Error().stack || '').slice(stackLinesToSkip));
  return currentStack;
};
const getNewLineIndex = (string, startIndex = undefined) => {
  return string.indexOf(NewLine, startIndex);
};
const getParentStack = error => {
  let parentStack = error.stack || error.data || error.message || '';
  if (parentStack.startsWith('    at')) {
    parentStack = error.message + NewLine + parentStack;
  }
  return parentStack;
};
const MethodNotFound = -32601;
const Custom = -32001;
const restoreJsonRpcError = error => {
  const currentStack = getCurrentStack();
  if (error && error instanceof Error) {
    if (typeof error.stack === 'string') {
      error.stack = error.stack + NewLine + currentStack;
    }
    return error;
  }
  if (error && error.code && error.code === MethodNotFound) {
    const restoredError = new JsonRpcError(error.message);
    const parentStack = getParentStack(error);
    restoredError.stack = parentStack + NewLine + currentStack;
    return restoredError;
  }
  if (error && error.message) {
    const restoredError = constructError(error.message, error.type, error.name);
    if (error.data) {
      if (error.data.stack && error.data.type && error.message) {
        restoredError.stack = error.data.type + ': ' + error.message + NewLine + error.data.stack + NewLine + currentStack;
      } else if (error.data.stack) {
        restoredError.stack = error.data.stack;
      }
      if (error.data.codeFrame) {
        // @ts-ignore
        restoredError.codeFrame = error.data.codeFrame;
      }
      if (error.data.code) {
        // @ts-ignore
        restoredError.code = error.data.code;
      }
      if (error.data.type) {
        // @ts-ignore
        restoredError.name = error.data.type;
      }
    } else {
      if (error.stack) {
        const lowerStack = restoredError.stack || '';
        // @ts-ignore
        const indexNewLine = getNewLineIndex(lowerStack);
        const parentStack = getParentStack(error);
        // @ts-ignore
        restoredError.stack = parentStack + lowerStack.slice(indexNewLine);
      }
      if (error.codeFrame) {
        // @ts-ignore
        restoredError.codeFrame = error.codeFrame;
      }
    }
    return restoredError;
  }
  if (typeof error === 'string') {
    return new Error(`JsonRpc Error: ${error}`);
  }
  return new Error(`JsonRpc Error: ${error}`);
};
const unwrapJsonRpcResult = responseMessage => {
  if ('error' in responseMessage) {
    const restoredError = restoreJsonRpcError(responseMessage.error);
    throw restoredError;
  }
  if ('result' in responseMessage) {
    return responseMessage.result;
  }
  throw new JsonRpcError('unexpected response message');
};
const warn = (...args) => {
  console.warn(...args);
};
const resolve = (id, response) => {
  const fn = get$2(id);
  if (!fn) {
    console.log(response);
    warn(`callback ${id} may already be disposed`);
    return;
  }
  fn(response);
  remove$1(id);
};
const E_COMMAND_NOT_FOUND = 'E_COMMAND_NOT_FOUND';
const getErrorType = prettyError => {
  if (prettyError && prettyError.type) {
    return prettyError.type;
  }
  if (prettyError && prettyError.constructor && prettyError.constructor.name) {
    return prettyError.constructor.name;
  }
  return undefined;
};
const isAlreadyStack = line => {
  return line.trim().startsWith('at ');
};
const getStack = prettyError => {
  const stackString = prettyError.stack || '';
  const newLineIndex = stackString.indexOf('\n');
  if (newLineIndex !== -1 && !isAlreadyStack(stackString.slice(0, newLineIndex))) {
    return stackString.slice(newLineIndex + 1);
  }
  return stackString;
};
const getErrorProperty = (error, prettyError) => {
  if (error && error.code === E_COMMAND_NOT_FOUND) {
    return {
      code: MethodNotFound,
      data: error.stack,
      message: error.message
    };
  }
  return {
    code: Custom,
    data: {
      code: prettyError.code,
      codeFrame: prettyError.codeFrame,
      name: prettyError.name,
      stack: getStack(prettyError),
      type: getErrorType(prettyError)
    },
    message: prettyError.message
  };
};
const create$1$1 = (id, error) => {
  return {
    error,
    id,
    jsonrpc: Two$1
  };
};
const getErrorResponse = (id, error, preparePrettyError, logError) => {
  const prettyError = preparePrettyError(error);
  logError(error, prettyError);
  const errorProperty = getErrorProperty(error, prettyError);
  return create$1$1(id, errorProperty);
};
const create$8 = (message, result) => {
  return {
    id: message.id,
    jsonrpc: Two$1,
    result: result ?? null
  };
};
const getSuccessResponse = (message, result) => {
  const resultProperty = result ?? null;
  return create$8(message, resultProperty);
};
const getErrorResponseSimple = (id, error) => {
  return {
    error: {
      code: Custom,
      data: error,
      // @ts-ignore
      message: error.message
    },
    id,
    jsonrpc: Two$1
  };
};
const getResponse = async (message, ipc, execute, preparePrettyError, logError, requiresSocket) => {
  try {
    const result = requiresSocket(message.method) ? await execute(message.method, ipc, ...message.params) : await execute(message.method, ...message.params);
    return getSuccessResponse(message, result);
  } catch (error) {
    if (ipc.canUseSimpleErrorResponse) {
      return getErrorResponseSimple(message.id, error);
    }
    return getErrorResponse(message.id, error, preparePrettyError, logError);
  }
};
const defaultPreparePrettyError = error => {
  return error;
};
const defaultLogError = () => {
  // ignore
};
const defaultRequiresSocket = () => {
  return false;
};
const defaultResolve = resolve;

// TODO maybe remove this in v6 or v7, only accept options object to simplify the code
const normalizeParams = args => {
  if (args.length === 1) {
    const options = args[0];
    return {
      execute: options.execute,
      ipc: options.ipc,
      logError: options.logError || defaultLogError,
      message: options.message,
      preparePrettyError: options.preparePrettyError || defaultPreparePrettyError,
      requiresSocket: options.requiresSocket || defaultRequiresSocket,
      resolve: options.resolve || defaultResolve
    };
  }
  return {
    execute: args[2],
    ipc: args[0],
    logError: args[5],
    message: args[1],
    preparePrettyError: args[4],
    requiresSocket: args[6],
    resolve: args[3]
  };
};
const handleJsonRpcMessage = async (...args) => {
  const options = normalizeParams(args);
  const {
    execute,
    ipc,
    logError,
    message,
    preparePrettyError,
    requiresSocket,
    resolve
  } = options;
  if ('id' in message) {
    if ('method' in message) {
      const response = await getResponse(message, ipc, execute, preparePrettyError, logError, requiresSocket);
      try {
        ipc.send(response);
      } catch (error) {
        const errorResponse = getErrorResponse(message.id, error, preparePrettyError, logError);
        ipc.send(errorResponse);
      }
      return;
    }
    resolve(message.id, message);
    return;
  }
  if ('method' in message) {
    await getResponse(message, ipc, execute, preparePrettyError, logError, requiresSocket);
    return;
  }
  throw new JsonRpcError('unexpected message');
};

const Two = '2.0';

const create$7 = (method, params) => {
  return {
    jsonrpc: Two,
    method,
    params
  };
};

const create$6 = (id, method, params) => {
  const message = {
    id,
    jsonrpc: Two,
    method,
    params
  };
  return message;
};

let id$1 = 0;
const create$5 = () => {
  return ++id$1;
};

const registerPromise = map => {
  const id = create$5();
  const {
    promise,
    resolve
  } = Promise.withResolvers();
  map[id] = resolve;
  return {
    id,
    promise
  };
};

const invokeHelper = async (callbacks, ipc, method, params, useSendAndTransfer) => {
  const {
    id,
    promise
  } = registerPromise(callbacks);
  const message = create$6(id, method, params);
  if (useSendAndTransfer && ipc.sendAndTransfer) {
    ipc.sendAndTransfer(message);
  } else {
    ipc.send(message);
  }
  const responseMessage = await promise;
  return unwrapJsonRpcResult(responseMessage);
};
const createRpc = ipc => {
  const callbacks = Object.create(null);
  ipc._resolve = (id, response) => {
    const fn = callbacks[id];
    if (!fn) {
      console.warn(`callback ${id} may already be disposed`);
      return;
    }
    fn(response);
    delete callbacks[id];
  };
  const rpc = {
    async dispose() {
      await ipc?.dispose();
    },
    invoke(method, ...params) {
      return invokeHelper(callbacks, ipc, method, params, false);
    },
    invokeAndTransfer(method, ...params) {
      return invokeHelper(callbacks, ipc, method, params, true);
    },
    // @ts-ignore
    ipc,
    /**
     * @deprecated
     */
    send(method, ...params) {
      const message = create$7(method, params);
      ipc.send(message);
    }
  };
  return rpc;
};

const requiresSocket = () => {
  return false;
};
const preparePrettyError = error => {
  return error;
};
const logError = () => {
  // handled by renderer worker
};
const handleMessage = event => {
  const actualRequiresSocket = event?.target?.requiresSocket || requiresSocket;
  const actualExecute = event?.target?.execute || execute;
  return handleJsonRpcMessage(event.target, event.data, actualExecute, event.target._resolve, preparePrettyError, logError, actualRequiresSocket);
};

const handleIpc = ipc => {
  if ('addEventListener' in ipc) {
    ipc.addEventListener('message', handleMessage);
  } else if ('on' in ipc) {
    // deprecated
    ipc.on('message', handleMessage);
  }
};

const listen$1 = async (module, options) => {
  const rawIpc = await module.listen(options);
  if (module.signal) {
    module.signal(rawIpc);
  }
  const ipc = module.wrap(rawIpc);
  return ipc;
};

const create$4 = async ({
  commandMap,
  isMessagePortOpen = true,
  messagePort
}) => {
  // TODO create a commandMap per rpc instance
  register(commandMap);
  const rawIpc = await IpcParentWithMessagePort$1.create({
    isMessagePortOpen,
    messagePort
  });
  const ipc = IpcParentWithMessagePort$1.wrap(rawIpc);
  handleIpc(ipc);
  const rpc = createRpc(ipc);
  messagePort.start();
  return rpc;
};

const create$3 = async ({
  commandMap,
  isMessagePortOpen,
  send
}) => {
  const {
    port1,
    port2
  } = new MessageChannel();
  await send(port1);
  return create$4({
    commandMap,
    isMessagePortOpen,
    messagePort: port2
  });
};

const createSharedLazyRpc = factory => {
  let rpcPromise;
  const getOrCreate = () => {
    if (!rpcPromise) {
      rpcPromise = factory();
    }
    return rpcPromise;
  };
  return {
    async dispose() {
      const rpc = await getOrCreate();
      await rpc.dispose();
    },
    async invoke(method, ...params) {
      const rpc = await getOrCreate();
      return rpc.invoke(method, ...params);
    },
    async invokeAndTransfer(method, ...params) {
      const rpc = await getOrCreate();
      return rpc.invokeAndTransfer(method, ...params);
    },
    async send(method, ...params) {
      const rpc = await getOrCreate();
      rpc.send(method, ...params);
    }
  };
};

const create$2 = async ({
  commandMap,
  isMessagePortOpen,
  send
}) => {
  return createSharedLazyRpc(() => {
    return create$3({
      commandMap,
      isMessagePortOpen,
      send
    });
  });
};

const create$1 = async ({
  commandMap
}) => {
  // TODO create a commandMap per rpc instance
  register(commandMap);
  const ipc = await listen$1(IpcChildWithModuleWorkerAndMessagePort$1);
  handleIpc(ipc);
  const rpc = createRpc(ipc);
  return rpc;
};

const createMockRpc = ({
  commandMap
}) => {
  const invocations = [];
  const invoke = (method, ...params) => {
    invocations.push([method, ...params]);
    const command = commandMap[method];
    if (!command) {
      throw new Error(`command ${method} not found`);
    }
    return command(...params);
  };
  const mockRpc = {
    invocations,
    invoke,
    invokeAndTransfer: invoke
  };
  return mockRpc;
};

const rpcs = Object.create(null);
const set$3 = (id, rpc) => {
  rpcs[id] = rpc;
};
const get$1 = id => {
  return rpcs[id];
};
const remove = id => {
  delete rpcs[id];
};

/* eslint-disable  @typescript-eslint/explicit-function-return-type */
const create = rpcId => {
  return {
    async dispose() {
      const rpc = get$1(rpcId);
      await rpc.dispose();
    },
    // @ts-ignore
    invoke(method, ...params) {
      const rpc = get$1(rpcId);
      // @ts-ignore
      return rpc.invoke(method, ...params);
    },
    // @ts-ignore
    invokeAndTransfer(method, ...params) {
      const rpc = get$1(rpcId);
      // @ts-ignore
      return rpc.invokeAndTransfer(method, ...params);
    },
    registerMockRpc(commandMap) {
      const mockRpc = createMockRpc({
        commandMap
      });
      set$3(rpcId, mockRpc);
      // @ts-ignore
      mockRpc[Symbol.dispose] = () => {
        remove(rpcId);
      };
      // @ts-ignore
      return mockRpc;
    },
    set(rpc) {
      set$3(rpcId, rpc);
    }
  };
};

const Button$2 = 'button';
const Status = 'status';

const MaskIcon = 'MaskIcon';

const Button$1 = 1;
const Div = 4;
const Span = 8;
const Text = 12;
const Reference = 100;

const Button = 'event.button';
const ClientX = 'event.clientX';
const ClientY = 'event.clientY';
const TargetName = 'event.target.name';

const ExtensionHostWorker = 44;
const ExtensionManagementWorker = 9006;
const RendererWorker = 1;

const SetDom2 = 'Viewlet.setDom2';
const SetPatches = 'Viewlet.setPatches';

const {
  invoke: invoke$2,
  set: set$2
} = create(ExtensionHostWorker);

const {
  invoke: invoke$1,
  set: set$1
} = create(ExtensionManagementWorker);

const {
  invoke,
  invokeAndTransfer,
  set
} = create(RendererWorker);
const showContextMenu2 = async (uid, menuId, x, y, args) => {
  number(uid);
  number(menuId);
  number(x);
  number(y);
  await invoke('ContextMenu.show2', uid, menuId, x, y, args);
};
const sendMessagePortToExtensionHostWorker$1 = async (port, rpcId = 0) => {
  const command = 'HandleMessagePort.handleMessagePort2';
  await invokeAndTransfer('SendMessagePortToExtensionHostWorker.sendMessagePortToExtensionHostWorker', port, command, rpcId);
};
const getPreference = async key => {
  return await invoke('Preferences.get', key);
};

const handleClickExtensionStatusBarItem = async name => {
  // TODO maybe relay this to extension management worker,
  // and it forwards it to the right extension host?

  try {
    // @ts-ignore
    await invoke$2(`ExtensionHostStatusBar.executeCommand`, name);
  } catch (error) {
    console.error(new VError(error, `Failed to execute status bar command: ${name}`));
  }
};

const handleClickNotification = async () => {
  // TODO toggle notifications
};

const handleClickProblems = async () => {
  // @ts-ignore
  await invoke('Layout.showPanel');
  // @ts-ignore
  await invoke('Panel.toggleView', 'Problems');
};

const Notifications = 'Notifications';
const Problems = 'Problems';

const handleClick = async (state, name) => {
  if (!name) {
    return state;
  }
  const {
    statusBarItemsLeft,
    statusBarItemsRight
  } = state;
  const item = getMatchingItem(statusBarItemsLeft, statusBarItemsRight, name);
  if (!item) {
    return state;
  }
  if (item.name === Notifications) {
    await handleClickNotification();
  } else if (item.name === Problems) {
    await handleClickProblems();
  } else {
    await handleClickExtensionStatusBarItem(name);
  }
  // TODO
  // sendExtensionWorker([/* statusBarItemHandleClick */ 7657, /* name */ name])
  return state;
};

const show2 = async (uid, menuId, x, y, args) => {
  await showContextMenu2(uid, menuId, x, y, args);
};

const StatusBar = 31;

const handleContextMenu = async (state, button, x, y) => {
  await show2(state.uid, StatusBar, x, y, {
    menuId: StatusBar
  });
  return state;
};

const OnStatusBarItem = 'onStatusBarItem';

const GetStatusBarItems = 'ExtensionHost.getStatusBarItems2';

const activateByEvent = (event, assetDir, platform) => {
  return invoke$1('Extensions.activateByEvent', event, assetDir, platform);
};
const getStatusBarItems$2 = () => {
  return invoke$1('Extensions.getStatusBarItems');
};

const executeProviders = async ({
  assetDir,
  combineResults,
  event,
  method,
  noProviderFoundMessage = 'No provider found',
  noProviderFoundResult,
  params,
  platform
}) => {
  await activateByEvent(event, assetDir, platform);
  // @ts-ignore
  const result = await invoke$2(method, ...params);
  return result;
};

const combineResults = results => {
  return results.flat();
};
const getStatusBarItems$1 = (assetDir, platform) => {
  const legacyItems = executeProviders({
    assetDir,
    combineResults,
    event: OnStatusBarItem,
    method: GetStatusBarItems,
    noProviderFoundMessage: 'No status bar item provider found',
    noProviderFoundResult: [],
    params: [],
    platform
  });
  const isolatedItems = getStatusBarItems$2();
  return Promise.all([legacyItems, isolatedItems]).then(combineResults);
};

const getNotificationsStatusBarItem = enabled => {
  if (!enabled) {
    return [];
  }
  return [{
    ariaLabel: 'Notifications',
    command: '',
    // TODO should show notifications center
    elements: [{
      type: 'text',
      value: 'Notifications'
    }],
    name: Notifications,
    tooltip: 'Notifications'
  }];
};

const ProblemsErrorIcon = 'ProblemsErrorIcon';
const ProblemsWarningIcon = 'ProblemsWarningIcon';
const StatusBarItem = 'StatusBarItem';
const StatusBarItemsLeft = 'StatusBarItemsLeft';
const StatusBarItemsRight = 'StatusBarItemsRight';

const getProblemsAriaLabel = (errorCount, warningCount) => {
  const parts = [];
  if (errorCount > 0) {
    parts.push(`${errorCount} ${errorCount === 1 ? 'Problem' : 'Problems'}`);
  }
  if (warningCount > 0) {
    parts.push(`${warningCount} ${warningCount === 1 ? 'Warning' : 'Warnings'}`);
  }
  if (parts.length === 0) {
    return 'No Problems';
  }
  return parts.join(', ');
};

const getProblemsStatusBarItem = (errorCount, warningCount, enabled) => {
  if (!enabled) {
    return [];
  }
  return [{
    ariaLabel: getProblemsAriaLabel(errorCount, warningCount),
    command: '',
    // TODO should show problems view
    elements: [{
      type: 'icon',
      value: ProblemsErrorIcon
    }, {
      type: 'text',
      value: `${errorCount}`
    }, {
      type: 'icon',
      value: ProblemsWarningIcon
    }, {
      type: 'text',
      value: `${warningCount}`
    }],
    name: Problems,
    tooltip: 'Problems'
  }];
};

const getBuiltinStatusBarItems = async (errorCount, warningCount, {
  notificationsEnabled = true,
  problemsEnabled = true
} = {}) => {
  return [...getNotificationsStatusBarItem(notificationsEnabled), ...getProblemsStatusBarItem(errorCount, warningCount, problemsEnabled)];
};

const toStatusBarItem = uiStatusBarItem => {
  const elements = [];
  if (uiStatusBarItem.icon) {
    elements.push({
      type: 'icon',
      value: uiStatusBarItem.icon
    });
  }
  if (uiStatusBarItem.text) {
    elements.push({
      type: 'text',
      value: uiStatusBarItem.text
    });
  }
  if (elements.length === 0) {
    elements.push({
      type: 'text',
      value: ''
    });
  }
  const ariaLabel = uiStatusBarItem.text || uiStatusBarItem.tooltip || uiStatusBarItem.name;
  return {
    ariaLabel,
    command: uiStatusBarItem.command || undefined,
    elements,
    name: uiStatusBarItem.name,
    tooltip: uiStatusBarItem.tooltip
  };
};

const getActualIcon = extensionHostStatusBarItem => {
  if (extensionHostStatusBarItem.icon === 'branch') {
    return 'Branch';
  }
  return extensionHostStatusBarItem.icon || '';
};
const toUiStatusBarItem = extensionHostStatusBarItem => {
  return {
    command: extensionHostStatusBarItem.command || '',
    icon: getActualIcon(extensionHostStatusBarItem),
    name: extensionHostStatusBarItem.id || extensionHostStatusBarItem.name || '',
    text: extensionHostStatusBarItem.text || '',
    tooltip: extensionHostStatusBarItem.tooltip || ''
  };
};

const toUiStatusBarItems = statusBarItems => {
  if (!statusBarItems) {
    return [];
  }
  return statusBarItems.map(toUiStatusBarItem);
};

const getStatusBarItems = async ({
  assetDir,
  builtinNotificationsEnabled = true,
  builtinProblemsEnabled = true,
  errorCount,
  platform,
  showItems,
  warningCount
}) => {
  if (!showItems) {
    return [];
  }
  await activateByEvent('onStatusBarItem', assetDir, platform);
  const extensionStatusBarItems = await getStatusBarItems$1(assetDir, platform);
  const uiStatusBarItems = toUiStatusBarItems(extensionStatusBarItems);
  const extraItems = await getBuiltinStatusBarItems(errorCount, warningCount, {
    notificationsEnabled: builtinNotificationsEnabled,
    problemsEnabled: builtinProblemsEnabled
  });
  return [...uiStatusBarItems.map(toStatusBarItem), ...extraItems];
};

const handleExtensionsChanged = async state => {
  const {
    assetDir,
    errorCount,
    platform,
    warningCount
  } = state;
  // TODO requery status bar items
  const statusBarItems = await getStatusBarItems({
    assetDir,
    builtinNotificationsEnabled: false,
    builtinProblemsEnabled: false,
    errorCount,
    platform,
    showItems: true,
    warningCount
  });
  return {
    ...state,
    statusBarItemsLeft: [...statusBarItems]
  };
};

const handleItemsChanged = async state => {
  return handleExtensionsChanged(state);
};

const handleExtensionManagementChange = async () => {
  const uids = getKeys$1();
  for (const uid of uids) {
    const {
      newState,
      oldState
    } = get$3(uid);
    const newerState = await handleItemsChanged(newState);
    if (newState === newerState || oldState === newerState) {
      continue;
    }
    set$4(uid, oldState, {
      ...newState,
      ...newerState
    });
  }
};

const commandMap$1 = {
  'StatusBar.handleChange': handleExtensionManagementChange
};

const handleExtensionManagementMessagePort = async port => {
  const rpc = await create$4({
    commandMap: commandMap$1,
    messagePort: port
  });
  set$1(rpc);
};

const id = 7201;
const sendMessagePortToExtensionHostWorker = async port => {
  await sendMessagePortToExtensionHostWorker$1(port, id);
};

const initializeExtensionHostWorker = async () => {
  const rpc = await create$2({
    commandMap: {},
    send: sendMessagePortToExtensionHostWorker
  });
  set$2(rpc);
};

const initialize = async () => {
  await initializeExtensionHostWorker();
};

const getIndex = (items, item) => {
  for (let i = 0; i < items.length; i++) {
    if (items[i].name === item.name) {
      return i;
    }
  }
  return -1;
};

const updateArray = (items, newItem) => {
  const index = getIndex(items, newItem);
  const before = items.slice(0, index);
  const after = items.slice(index + 1);
  return [...before, newItem, ...after];
};

const itemLeftUpdate = (state, newItem) => {
  return {
    ...state,
    statusBarItemsLeft: updateArray([...state.statusBarItemsLeft], newItem)
  };
};

const itemRightCreate = (state, newItem) => {
  const {
    statusBarItemsRight
  } = state;
  const newStatusBarItemsRight = [...statusBarItemsRight, newItem];
  return {
    ...state,
    statusBarItemsRight: newStatusBarItemsRight
  };
};

const itemRightUpdate = (state, newItem) => {
  const {
    statusBarItemsRight
  } = state;
  const newStatusBarItemsRight = updateArray([...statusBarItemsRight], newItem);
  return {
    ...state,
    statusBarItemsRight: newStatusBarItemsRight
  };
};

const get = async key => {
  return getPreference(key);
};

const getBooleanPreference = async key => {
  const value = await get(key);
  return value ?? true;
};
const loadStatusBarPreferences = async () => {
  const [itemsVisible, builtinNotificationsEnabled, builtinProblemsEnabled] = await Promise.all([getBooleanPreference('statusBar.itemsVisible'), getBooleanPreference('statusBar.builtinNotificationsEnabled'), getBooleanPreference('statusBar.builtinProblemsEnabled')]);
  return {
    builtinNotificationsEnabled,
    builtinProblemsEnabled,
    itemsVisible
  };
};

const loadContent = async state => {
  const {
    assetDir,
    errorCount,
    platform,
    warningCount
  } = state;
  const {
    builtinNotificationsEnabled,
    builtinProblemsEnabled,
    itemsVisible
  } = await loadStatusBarPreferences();
  const statusBarItems = await getStatusBarItems({
    assetDir,
    builtinNotificationsEnabled: builtinNotificationsEnabled,
    builtinProblemsEnabled: builtinProblemsEnabled,
    errorCount,
    platform,
    showItems: itemsVisible,
    warningCount
  });
  return {
    ...state,
    errorCount: 0,
    initial: false,
    statusBarItemsLeft: [...statusBarItems],
    statusBarItemsRight: [],
    warningCount: 0
  };
};

const mergeClassNames = (...classNames) => {
  return classNames.filter(Boolean).join(' ');
};

const text = data => {
  return {
    childCount: 0,
    text: data,
    type: Text
  };
};

const SetText = 1;
const Replace = 2;
const SetAttribute = 3;
const RemoveAttribute = 4;
const Add = 6;
const NavigateChild = 7;
const NavigateParent = 8;
const RemoveChild = 9;
const NavigateSibling = 10;
const SetReferenceNodeUid = 11;

const isKey = key => {
  return key !== 'type' && key !== 'childCount';
};

const getKeys = node => {
  const keys = Object.keys(node).filter(isKey);
  return keys;
};

const arrayToTree = nodes => {
  const result = [];
  let i = 0;
  while (i < nodes.length) {
    const node = nodes[i];
    const {
      children,
      nodesConsumed
    } = getChildrenWithCount(nodes, i + 1, node.childCount || 0);
    result.push({
      node,
      children
    });
    i += 1 + nodesConsumed;
  }
  return result;
};
const getChildrenWithCount = (nodes, startIndex, childCount) => {
  if (childCount === 0) {
    return {
      children: [],
      nodesConsumed: 0
    };
  }
  const children = [];
  let i = startIndex;
  let remaining = childCount;
  let totalConsumed = 0;
  while (remaining > 0 && i < nodes.length) {
    const node = nodes[i];
    const nodeChildCount = node.childCount || 0;
    const {
      children: nodeChildren,
      nodesConsumed
    } = getChildrenWithCount(nodes, i + 1, nodeChildCount);
    children.push({
      node,
      children: nodeChildren
    });
    const nodeSize = 1 + nodesConsumed;
    i += nodeSize;
    totalConsumed += nodeSize;
    remaining--;
  }
  return {
    children,
    nodesConsumed: totalConsumed
  };
};

const compareNodes = (oldNode, newNode) => {
  const patches = [];
  // Check if node type changed - return null to signal incompatible nodes
  // (caller should handle this with a Replace operation)
  if (oldNode.type !== newNode.type) {
    return null;
  }
  // Handle reference nodes - special handling for uid changes
  if (oldNode.type === Reference) {
    if (oldNode.uid !== newNode.uid) {
      patches.push({
        type: SetReferenceNodeUid,
        uid: newNode.uid
      });
    }
    return patches;
  }
  // Handle text nodes
  if (oldNode.type === Text && newNode.type === Text) {
    if (oldNode.text !== newNode.text) {
      patches.push({
        type: SetText,
        value: newNode.text
      });
    }
    return patches;
  }
  // Compare attributes
  const oldKeys = getKeys(oldNode);
  const newKeys = getKeys(newNode);
  // Check for attribute changes
  for (const key of newKeys) {
    if (oldNode[key] !== newNode[key]) {
      patches.push({
        type: SetAttribute,
        key,
        value: newNode[key]
      });
    }
  }
  // Check for removed attributes
  for (const key of oldKeys) {
    if (!(key in newNode)) {
      patches.push({
        type: RemoveAttribute,
        key
      });
    }
  }
  return patches;
};

const treeToArray = node => {
  const result = [node.node];
  for (const child of node.children) {
    result.push(...treeToArray(child));
  }
  return result;
};

const navigateToChild = (patches, currentChildIndex, index) => {
  if (currentChildIndex === -1) {
    patches.push({
      type: NavigateChild,
      index
    });
    return index;
  }
  if (currentChildIndex !== index) {
    patches.push({
      type: NavigateSibling,
      index
    });
  }
  return index;
};
const navigateToParent = (patches, currentChildIndex) => {
  if (currentChildIndex >= 0) {
    patches.push({
      type: NavigateParent
    });
  }
  return -1;
};
const addTree = (newNode, patches) => {
  patches.push({
    type: Add,
    nodes: treeToArray(newNode)
  });
};
const replaceTree = (newNode, patches) => {
  patches.push({
    type: Replace,
    nodes: treeToArray(newNode)
  });
};
const diffExistingChild = (oldNode, newNode, patches, currentChildIndex, index) => {
  const nodePatches = compareNodes(oldNode.node, newNode.node);
  if (nodePatches === null) {
    const nextChildIndex = navigateToChild(patches, currentChildIndex, index);
    replaceTree(newNode, patches);
    return nextChildIndex;
  }
  const hasChildrenToCompare = oldNode.children.length > 0 || newNode.children.length > 0;
  if (nodePatches.length === 0 && !hasChildrenToCompare) {
    return currentChildIndex;
  }
  const nextChildIndex = navigateToChild(patches, currentChildIndex, index);
  if (nodePatches.length > 0) {
    patches.push(...nodePatches);
  }
  if (hasChildrenToCompare) {
    diffChildren(oldNode.children, newNode.children, patches);
  }
  return nextChildIndex;
};
const diffRootNode = (oldNode, newNode, patches) => {
  const nodePatches = compareNodes(oldNode.node, newNode.node);
  if (nodePatches === null) {
    replaceTree(newNode, patches);
    return;
  }
  if (nodePatches.length > 0) {
    patches.push(...nodePatches);
  }
  if (oldNode.children.length > 0 || newNode.children.length > 0) {
    diffChildren(oldNode.children, newNode.children, patches);
  }
};
const diffChildren = (oldChildren, newChildren, patches) => {
  const maxLength = Math.max(oldChildren.length, newChildren.length);
  let currentChildIndex = -1;
  const indicesToRemove = [];
  for (let i = 0; i < maxLength; i++) {
    const oldNode = oldChildren[i];
    const newNode = newChildren[i];
    if (!oldNode && !newNode) {
      continue;
    }
    if (!oldNode) {
      currentChildIndex = navigateToParent(patches, currentChildIndex);
      addTree(newNode, patches);
      continue;
    }
    if (!newNode) {
      indicesToRemove.push(i);
      continue;
    }
    currentChildIndex = diffExistingChild(oldNode, newNode, patches, currentChildIndex, i);
  }
  navigateToParent(patches, currentChildIndex);
  for (let j = indicesToRemove.length - 1; j >= 0; j--) {
    patches.push({
      type: RemoveChild,
      index: indicesToRemove[j]
    });
  }
};
const diffTrees = (oldTree, newTree, patches, path) => {
  if (path.length === 0 && oldTree.length === 1 && newTree.length === 1) {
    diffRootNode(oldTree[0], newTree[0], patches);
    return;
  }
  diffChildren(oldTree, newTree, patches);
};

const removeTrailingNavigationPatches = patches => {
  // Find the last non-navigation patch
  let lastNonNavigationIndex = -1;
  for (let i = patches.length - 1; i >= 0; i--) {
    const patch = patches[i];
    if (patch.type !== NavigateChild && patch.type !== NavigateParent && patch.type !== NavigateSibling) {
      lastNonNavigationIndex = i;
      break;
    }
  }
  // Return patches up to and including the last non-navigation patch
  return lastNonNavigationIndex === -1 ? [] : patches.slice(0, lastNonNavigationIndex + 1);
};

const diffTree = (oldNodes, newNodes) => {
  // Step 1: Convert flat arrays to tree structures
  const oldTree = arrayToTree(oldNodes);
  const newTree = arrayToTree(newNodes);
  // Step 3: Compare the trees
  const patches = [];
  diffTrees(oldTree, newTree, patches, []);
  // Remove trailing navigation patches since they serve no purpose
  return removeTrailingNavigationPatches(patches);
};

const HandleContextMenu = 2;
const HandleClick = 11;

const getTextVirtualDom = element => {
  return [{
    childCount: 1,
    className: 'StatusBarItemLabel',
    type: Span
  }, text(element.value)];
};
const getIconVirtualDom = element => {
  return [{
    childCount: 0,
    className: mergeClassNames(MaskIcon, element.value),
    type: Div
  }];
};
const getStatusBarItemElementVirtualDom = element => {
  if (element.type === 'text') {
    return getTextVirtualDom(element);
  }
  if (element.type === 'icon') {
    return getIconVirtualDom(element);
  }
  return [];
};

const getStatusBarItemVirtualDom = statusBarItem => {
  const {
    ariaLabel,
    elements,
    name,
    tooltip
  } = statusBarItem;
  const elementNodes = elements.flatMap(getStatusBarItemElementVirtualDom);
  const buttonNode = {
    ariaLabel,
    childCount: elements.length,
    className: StatusBarItem,
    name,
    role: Button$2,
    tabIndex: -1,
    title: tooltip,
    type: Button$1
  };
  return [buttonNode, ...elementNodes];
};

const getStatusBarItemsVirtualDom = (items, className) => {
  if (items.length === 0) {
    return [];
  }
  return [{
    childCount: items.length,
    className,
    type: Div
  }, ...items.flatMap(getStatusBarItemVirtualDom)];
};

const getStatusBarItemsLeftDom = statusBarItemsLeft => {
  return getStatusBarItemsVirtualDom(statusBarItemsLeft, StatusBarItemsLeft);
};

const getStatusBarItemsRightDom = statusBarItemsRight => {
  return getStatusBarItemsVirtualDom(statusBarItemsRight, StatusBarItemsRight);
};

const getChildCount = (leftCount, rightCount) => {
  let count = 0;
  if (leftCount > 0) {
    count++;
  }
  if (rightCount > 0) {
    count++;
  }
  return count;
};
const getStatusBarVirtualDom = (statusBarItemsLeft, statusBarItemsRight) => {
  const dom = [{
    childCount: getChildCount(statusBarItemsLeft.length, statusBarItemsRight.length),
    className: 'StatusBar',
    onClick: HandleClick,
    onContextMenu: HandleContextMenu,
    role: Status,
    type: Div
  }, ...getStatusBarItemsLeftDom(statusBarItemsLeft), ...getStatusBarItemsRightDom(statusBarItemsRight)];
  return dom;
};

const renderItems = (oldState, newState) => {
  const {
    initial,
    statusBarItemsLeft,
    statusBarItemsRight,
    uid
  } = newState;
  if (initial) {
    return [SetDom2, uid, []];
  }
  const dom = getStatusBarVirtualDom(statusBarItemsLeft, statusBarItemsRight);
  return [SetDom2, uid, dom];
};

const renderIncremental = (oldState, newState) => {
  const oldDom = renderItems(oldState, oldState)[2];
  const newDom = renderItems(newState, newState)[2];
  const patches = diffTree(oldDom, newDom);
  return [SetPatches, newState.uid, patches];
};

const getRenderer = diffType => {
  switch (diffType) {
    case RenderIncremental:
      return renderIncremental;
    case RenderItems:
      return renderItems;
    default:
      throw new Error('unknown renderer');
  }
};

const applyRender = (oldState, newState, diffResult) => {
  const commands = [];
  for (const item of diffResult) {
    const fn = getRenderer(item);
    const result = fn(oldState, newState);
    if (result.length > 0) {
      commands.push(result);
    }
  }
  return commands;
};

const render2 = (uid, diffResult) => {
  const {
    newState,
    oldState
  } = get$3(uid);
  set$4(uid, newState, newState);
  const commands = applyRender(oldState, newState, diffResult);
  return commands;
};

const renderEventListeners = () => {
  return [{
    name: HandleContextMenu,
    params: ['handleContextMenu', Button, ClientX, ClientY],
    preventDefault: true
  }, {
    name: HandleClick,
    params: ['handleClick', TargetName]
  }];
};

const resize = (state, dimensions) => {
  return {
    ...state,
    ...dimensions
  };
};

const saveState = state => {
  const {
    statusBarItemsLeft,
    statusBarItemsRight
  } = state;
  return {
    itemsLeft: statusBarItemsLeft,
    itemsRight: statusBarItemsRight
  };
};

const commandMap = {
  'StatusBar.create': create$9,
  'StatusBar.diff2': diff2,
  'StatusBar.getCommandIds': getCommandIds,
  'StatusBar.handleChange': wrapCommand(handleItemsChanged),
  'StatusBar.handleClick': wrapCommand(handleClick),
  'StatusBar.handleContextMenu': wrapCommand(handleContextMenu),
  'StatusBar.handleExtensionManagementMessagePort': handleExtensionManagementMessagePort,
  'StatusBar.handleExtensionsChanged': wrapCommand(handleExtensionsChanged),
  'StatusBar.handleItemsChanged': wrapCommand(handleItemsChanged),
  'StatusBar.initialize': initialize,
  'StatusBar.itemLeftUpdate': wrapCommand(itemLeftUpdate),
  'StatusBar.itemRightCreate': wrapCommand(itemRightCreate),
  'StatusBar.itemRightUpdate': wrapCommand(itemRightUpdate),
  'StatusBar.loadContent': wrapCommand(loadContent),
  'StatusBar.render2': render2,
  'StatusBar.renderEventListeners': renderEventListeners,
  'StatusBar.resize': wrapCommand(resize),
  'StatusBar.saveState': wrapGetter(saveState),
  'StatusBar.terminate': terminate
};

const initializeRenderWorker = async () => {
  const rpc = await create$1({
    commandMap: commandMap
  });
  set(rpc);
};

const listen = async () => {
  registerCommands(commandMap);
  await initializeRenderWorker();
};

const main = async () => {
  await listen();
};

main();
