next/dist/compiled/react-server-dom-webpack/cjs/react-server-dom-webpack.development.js

The React Framework

/**
 * @license React
 * react-server-dom-webpack.development.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

'use strict';

if (process.env.NODE_ENV !== "production") {
  (function() {
'use strict';

var React = require('react');

function createStringDecoder() {
  return new TextDecoder();
}
var decoderOptions = {
  stream: true
};
function readPartialStringChunk(decoder, buffer) {
  return decoder.decode(buffer, decoderOptions);
}
function readFinalStringChunk(decoder, buffer) {
  return decoder.decode(buffer);
}

function parseModel(response, json) {
  return JSON.parse(json, response._fromJSON);
}

// eslint-disable-next-line no-unused-vars
function resolveModuleReference(bundlerConfig, moduleData) {
  if (bundlerConfig) {
    return bundlerConfig[moduleData.id][moduleData.name];
  }

  return moduleData;
} // The chunk cache contains all the chunks we've preloaded so far.
// If they're still pending they're a thenable. This map also exists
// in Webpack but unfortunately it's not exposed so we have to
// replicate it in user space. null means that it has already loaded.

var chunkCache = new Map(); // Start preloading the modules since we might need them soon.
// This function doesn't suspend.

function preloadModule(moduleData) {
  var chunks = moduleData.chunks;

  for (var i = 0; i < chunks.length; i++) {
    var chunkId = chunks[i];
    var entry = chunkCache.get(chunkId);

    if (entry === undefined) {
      var thenable = globalThis.__next_chunk_load__(chunkId);

      var resolve = chunkCache.set.bind(chunkCache, chunkId, null);
      var reject = chunkCache.set.bind(chunkCache, chunkId);
      thenable.then(resolve, reject);
      chunkCache.set(chunkId, thenable);
    }
  }
} // Actually require the module or suspend if it's not yet ready.
// Increase priority if necessary.

function requireModule(moduleData) {
  var chunks = moduleData.chunks;

  for (var i = 0; i < chunks.length; i++) {
    var chunkId = chunks[i];
    var entry = chunkCache.get(chunkId);

    if (entry !== null) {
      // We assume that preloadModule has been called before.
      // So we don't expect to see entry being undefined here, that's an error.
      // Let's throw either an error or the Promise.
      throw entry;
    }
  }

  var moduleExports = globalThis.__next_require__(moduleData.id);

  if (moduleData.name === '*') {
    // This is a placeholder value that represents that the caller imported this
    // as a CommonJS module as is.
    return moduleExports;
  }

  if (moduleData.name === '') {
    // This is a placeholder value that represents that the caller accessed the
    // default property of this if it was an ESM interop module.
    return moduleExports.__esModule ? moduleExports.default : moduleExports;
  }

  return moduleExports[moduleData.name];
}

// ATTENTION
// When adding new symbols to this file,
// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols'
// The Symbol used to tag the ReactElement-like types.
var REACT_ELEMENT_TYPE = Symbol.for('react.element');
var REACT_LAZY_TYPE = Symbol.for('react.lazy');
var REACT_SERVER_CONTEXT_DEFAULT_VALUE_NOT_LOADED = Symbol.for('react.default_value');

var ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;

var ContextRegistry = ReactSharedInternals.ContextRegistry;
function getOrCreateServerContext(globalName) {
  if (!ContextRegistry[globalName]) {
    ContextRegistry[globalName] = React.createServerContext(globalName, REACT_SERVER_CONTEXT_DEFAULT_VALUE_NOT_LOADED);
  }

  return ContextRegistry[globalName];
}

var PENDING = 0;
var RESOLVED_MODEL = 1;
var RESOLVED_MODULE = 2;
var INITIALIZED = 3;
var ERRORED = 4;

function Chunk(status, value, response) {
  this._status = status;
  this._value = value;
  this._response = response;
}

Chunk.prototype.then = function (resolve) {
  var chunk = this;

  if (chunk._status === PENDING) {
    if (chunk._value === null) {
      chunk._value = [];
    }

    chunk._value.push(resolve);
  } else {
    resolve();
  }
};

function readChunk(chunk) {
  switch (chunk._status) {
    case INITIALIZED:
      return chunk._value;

    case RESOLVED_MODEL:
      return initializeModelChunk(chunk);

    case RESOLVED_MODULE:
      return initializeModuleChunk(chunk);

    case PENDING:
      // eslint-disable-next-line no-throw-literal
      throw chunk;

    default:
      throw chunk._value;
  }
}

function readRoot() {
  var response = this;
  var chunk = getChunk(response, 0);
  return readChunk(chunk);
}

function createPendingChunk(response) {
  return new Chunk(PENDING, null, response);
}

function createErrorChunk(response, error) {
  return new Chunk(ERRORED, error, response);
}

function createInitializedChunk(response, value) {
  return new Chunk(INITIALIZED, value, response);
}

function wakeChunk(listeners) {
  if (listeners !== null) {
    for (var i = 0; i < listeners.length; i++) {
      var listener = listeners[i];
      listener();
    }
  }
}

function triggerErrorOnChunk(chunk, error) {
  if (chunk._status !== PENDING) {
    // We already resolved. We didn't expect to see this.
    return;
  }

  var listeners = chunk._value;
  var erroredChunk = chunk;
  erroredChunk._status = ERRORED;
  erroredChunk._value = error;
  wakeChunk(listeners);
}

function createResolvedModelChunk(response, value) {
  return new Chunk(RESOLVED_MODEL, value, response);
}

function createResolvedModuleChunk(response, value) {
  return new Chunk(RESOLVED_MODULE, value, response);
}

function resolveModelChunk(chunk, value) {
  if (chunk._status !== PENDING) {
    // We already resolved. We didn't expect to see this.
    return;
  }

  var listeners = chunk._value;
  var resolvedChunk = chunk;
  resolvedChunk._status = RESOLVED_MODEL;
  resolvedChunk._value = value;
  wakeChunk(listeners);
}

function resolveModuleChunk(chunk, value) {
  if (chunk._status !== PENDING) {
    // We already resolved. We didn't expect to see this.
    return;
  }

  var listeners = chunk._value;
  var resolvedChunk = chunk;
  resolvedChunk._status = RESOLVED_MODULE;
  resolvedChunk._value = value;
  wakeChunk(listeners);
}

function initializeModelChunk(chunk) {
  var value = parseModel(chunk._response, chunk._value);
  var initializedChunk = chunk;
  initializedChunk._status = INITIALIZED;
  initializedChunk._value = value;
  return value;
}

function initializeModuleChunk(chunk) {
  var value = requireModule(chunk._value);
  var initializedChunk = chunk;
  initializedChunk._status = INITIALIZED;
  initializedChunk._value = value;
  return value;
} // Report that any missing chunks in the model is now going to throw this
// error upon read. Also notify any pending promises.


function reportGlobalError(response, error) {
  response._chunks.forEach(function (chunk) {
    // If this chunk was already resolved or errored, it won't
    // trigger an error but if it wasn't then we need to
    // because we won't be getting any new data to resolve it.
    triggerErrorOnChunk(chunk, error);
  });
}

function createElement(type, key, props) {
  var element = {
    // This tag allows us to uniquely identify this as a React Element
    $$typeof: REACT_ELEMENT_TYPE,
    // Built-in properties that belong on the element
    type: type,
    key: key,
    ref: null,
    props: props,
    // Record the component responsible for creating this element.
    _owner: null
  };

  {
    // We don't really need to add any of these but keeping them for good measure.
    // Unfortunately, _store is enumerable in jest matchers so for equality to
    // work, I need to keep it or make _store non-enumerable in the other file.
    element._store = {};
    Object.defineProperty(element._store, 'validated', {
      configurable: false,
      enumerable: false,
      writable: true,
      value: true // This element has already been validated on the server.

    });
    Object.defineProperty(element, '_self', {
      configurable: false,
      enumerable: false,
      writable: false,
      value: null
    });
    Object.defineProperty(element, '_source', {
      configurable: false,
      enumerable: false,
      writable: false,
      value: null
    });
  }

  return element;
}

function createLazyChunkWrapper(chunk) {
  var lazyType = {
    $$typeof: REACT_LAZY_TYPE,
    _payload: chunk,
    _init: readChunk
  };
  return lazyType;
}

function getChunk(response, id) {
  var chunks = response._chunks;
  var chunk = chunks.get(id);

  if (!chunk) {
    chunk = createPendingChunk(response);
    chunks.set(id, chunk);
  }

  return chunk;
}

function parseModelString(response, parentObject, value) {
  switch (value[0]) {
    case '$':
      {
        if (value === '$') {
          return REACT_ELEMENT_TYPE;
        } else if (value[1] === '$' || value[1] === '@') {
          // This was an escaped string value.
          return value.substring(1);
        } else {
          var id = parseInt(value.substring(1), 16);
          var chunk = getChunk(response, id);
          return readChunk(chunk);
        }
      }

    case '@':
      {
        var _id = parseInt(value.substring(1), 16);

        var _chunk = getChunk(response, _id); // We create a React.lazy wrapper around any lazy values.
        // When passed into React, we'll know how to suspend on this.


        return createLazyChunkWrapper(_chunk);
      }
  }

  return value;
}
function parseModelTuple(response, value) {
  var tuple = value;

  if (tuple[0] === REACT_ELEMENT_TYPE) {
    // TODO: Consider having React just directly accept these arrays as elements.
    // Or even change the ReactElement type to be an array.
    return createElement(tuple[1], tuple[2], tuple[3]);
  }

  return value;
}
function createResponse(bundlerConfig) {
  var chunks = new Map();
  var response = {
    _bundlerConfig: bundlerConfig,
    _chunks: chunks,
    readRoot: readRoot
  };
  return response;
}
function resolveModel(response, id, model) {
  var chunks = response._chunks;
  var chunk = chunks.get(id);

  if (!chunk) {
    chunks.set(id, createResolvedModelChunk(response, model));
  } else {
    resolveModelChunk(chunk, model);
  }
}
function resolveProvider(response, id, contextName) {
  var chunks = response._chunks;
  chunks.set(id, createInitializedChunk(response, getOrCreateServerContext(contextName).Provider));
}
function resolveModule(response, id, model) {
  var chunks = response._chunks;
  var chunk = chunks.get(id);
  var moduleMetaData = parseModel(response, model);
  var moduleReference = resolveModuleReference(response._bundlerConfig, moduleMetaData); // TODO: Add an option to encode modules that are lazy loaded.
  // For now we preload all modules as early as possible since it's likely
  // that we'll need them.

  preloadModule(moduleReference);

  if (!chunk) {
    chunks.set(id, createResolvedModuleChunk(response, moduleReference));
  } else {
    resolveModuleChunk(chunk, moduleReference);
  }
}
function resolveSymbol(response, id, name) {
  var chunks = response._chunks; // We assume that we'll always emit the symbol before anything references it
  // to save a few bytes.

  chunks.set(id, createInitializedChunk(response, Symbol.for(name)));
}
function resolveError(response, id, message, stack) {
  // eslint-disable-next-line react-internal/prod-error-codes
  var error = new Error(message);
  error.stack = stack;
  var chunks = response._chunks;
  var chunk = chunks.get(id);

  if (!chunk) {
    chunks.set(id, createErrorChunk(response, error));
  } else {
    triggerErrorOnChunk(chunk, error);
  }
}
function close(response) {
  // In case there are any remaining unresolved chunks, they won't
  // be resolved now. So we need to issue an error to those.
  // Ideally we should be able to early bail out if we kept a
  // ref count of pending chunks.
  reportGlobalError(response, new Error('Connection closed.'));
}

function processFullRow(response, row) {
  if (row === '') {
    return;
  }

  var tag = row[0]; // When tags that are not text are added, check them here before
  // parsing the row as text.
  // switch (tag) {
  // }

  var colon = row.indexOf(':', 1);
  var id = parseInt(row.substring(1, colon), 16);
  var text = row.substring(colon + 1);

  switch (tag) {
    case 'J':
      {
        resolveModel(response, id, text);
        return;
      }

    case 'M':
      {
        resolveModule(response, id, text);
        return;
      }

    case 'P':
      {
        resolveProvider(response, id, text);
        return;
      }

    case 'S':
      {
        resolveSymbol(response, id, JSON.parse(text));
        return;
      }

    case 'E':
      {
        var errorInfo = JSON.parse(text);
        resolveError(response, id, errorInfo.message, errorInfo.stack);
        return;
      }

    default:
      {
        throw new Error("Error parsing the data. It's probably an error code or network corruption.");
      }
  }
}

function processStringChunk(response, chunk, offset) {
  var linebreak = chunk.indexOf('\n', offset);

  while (linebreak > -1) {
    var fullrow = response._partialRow + chunk.substring(offset, linebreak);
    processFullRow(response, fullrow);
    response._partialRow = '';
    offset = linebreak + 1;
    linebreak = chunk.indexOf('\n', offset);
  }

  response._partialRow += chunk.substring(offset);
}
function processBinaryChunk(response, chunk) {

  var stringDecoder = response._stringDecoder;
  var linebreak = chunk.indexOf(10); // newline

  while (linebreak > -1) {
    var fullrow = response._partialRow + readFinalStringChunk(stringDecoder, chunk.subarray(0, linebreak));
    processFullRow(response, fullrow);
    response._partialRow = '';
    chunk = chunk.subarray(linebreak + 1);
    linebreak = chunk.indexOf(10); // newline
  }

  response._partialRow += readPartialStringChunk(stringDecoder, chunk);
}

function createFromJSONCallback(response) {
  return function (key, value) {
    if (typeof value === 'string') {
      // We can't use .bind here because we need the "this" value.
      return parseModelString(response, this, value);
    }

    if (typeof value === 'object' && value !== null) {
      return parseModelTuple(response, value);
    }

    return value;
  };
}

function createResponse$1(bundlerConfig) {
  // NOTE: CHECK THE COMPILER OUTPUT EACH TIME YOU CHANGE THIS.
  // It should be inlined to one object literal but minor changes can break it.
  var stringDecoder =  createStringDecoder() ;
  var response = createResponse(bundlerConfig);
  response._partialRow = '';

  {
    response._stringDecoder = stringDecoder;
  } // Don't inline this call because it causes closure to outline the call above.


  response._fromJSON = createFromJSONCallback(response);
  return response;
}

function startReadingFromStream(response, stream) {
  var reader = stream.getReader();

  function progress(_ref) {
    var done = _ref.done,
        value = _ref.value;

    if (done) {
      close(response);
      return;
    }

    var buffer = value;
    processBinaryChunk(response, buffer);
    return reader.read().then(progress, error);
  }

  function error(e) {
    reportGlobalError(response, e);
  }

  reader.read().then(progress, error);
}

function createFromReadableStream(stream, options) {
  var response = createResponse$1(options && options.moduleMap ? options.moduleMap : null);
  startReadingFromStream(response, stream);
  return response;
}

function createFromFetch(promiseForResponse, options) {
  var response = createResponse$1(options && options.moduleMap ? options.moduleMap : null);
  promiseForResponse.then(function (r) {
    startReadingFromStream(response, r.body);
  }, function (e) {
    reportGlobalError(response, e);
  });
  return response;
}

function createFromXHR(request, options) {
  var response = createResponse$1(options && options.moduleMap ? options.moduleMap : null);
  var processedLength = 0;

  function progress(e) {
    var chunk = request.responseText;
    processStringChunk(response, chunk, processedLength);
    processedLength = chunk.length;
  }

  function load(e) {
    progress();
    close(response);
  }

  function error(e) {
    reportGlobalError(response, new TypeError('Network error'));
  }

  request.addEventListener('progress', progress);
  request.addEventListener('load', load);
  request.addEventListener('error', error);
  request.addEventListener('abort', error);
  request.addEventListener('timeout', error);
  return response;
}

exports.createFromFetch = createFromFetch;
exports.createFromReadableStream = createFromReadableStream;
exports.createFromXHR = createFromXHR;
  })();
}