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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@react-native/codegen/lib/parsers

Просмотр файла: utils.js.flow

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict
 * @format
 */

'use strict';

const {ParserError} = require('./errors');
const path = require('path');

export type TypeDeclarationMap = {[declarationName: string]: $FlowFixMe};

export type TypeResolutionStatus =
  | $ReadOnly<{
      type: 'alias' | 'enum',
      successful: true,
      name: string,
    }>
  | $ReadOnly<{
      successful: false,
    }>;

function extractNativeModuleName(filename: string): string {
  // this should drop everything after the file name. For Example it will drop:
  // .android.js, .android.ts, .android.tsx, .ios.js, .ios.ts, .ios.tsx, .js, .ts, .tsx
  return path.basename(filename).split('.')[0];
}

export type ParserErrorCapturer = <T>(fn: () => T) => ?T;

// $FlowFixMe[unclear-type] there's no flowtype for ASTs
export type PropAST = Object;

// $FlowFixMe[unclear-type] there's no flowtype for ASTs
export type ASTNode = Object;

function createParserErrorCapturer(): [
  Array<ParserError>,
  ParserErrorCapturer,
] {
  // $FlowFixMe[missing-empty-array-annot]
  const errors = [];
  function guard<T>(fn: () => T): ?T {
    try {
      return fn();
    } catch (error) {
      if (!(error instanceof ParserError)) {
        throw error;
      }
      // $FlowFixMe[incompatible-call]
      errors.push(error);

      return null;
    }
  }

  // $FlowFixMe[incompatible-return]
  return [errors, guard];
}

function verifyPlatforms(
  hasteModuleName: string,
  moduleName: string,
): $ReadOnly<{
  cxxOnly: boolean,
  excludedPlatforms: Array<'iOS' | 'android'>,
}> {
  let cxxOnly = false;
  const excludedPlatforms = new Set<'iOS' | 'android'>();
  const namesToValidate = [moduleName, hasteModuleName];

  namesToValidate.forEach(name => {
    if (name.endsWith('Android')) {
      excludedPlatforms.add('iOS');
      return;
    }

    if (name.endsWith('IOS')) {
      excludedPlatforms.add('android');
      return;
    }

    if (name.endsWith('Windows')) {
      excludedPlatforms.add('iOS');
      excludedPlatforms.add('android');
      return;
    }

    if (name.endsWith('Cxx')) {
      cxxOnly = true;
      excludedPlatforms.add('iOS');
      excludedPlatforms.add('android');
      return;
    }
  });

  return {
    cxxOnly,
    excludedPlatforms: Array.from(excludedPlatforms),
  };
}

// TODO(T108222691): Use flow-types for @babel/parser
function visit(
  astNode: $FlowFixMe,
  visitor: {
    [type: string]: (node: $FlowFixMe) => void,
  },
) {
  const queue = [astNode];
  while (queue.length !== 0) {
    let item = queue.shift();

    if (!(typeof item === 'object' && item != null)) {
      continue;
    }

    if (
      typeof item.type === 'string' &&
      typeof visitor[item.type] === 'function'
    ) {
      // Don't visit any children
      visitor[item.type](item);
    } else if (Array.isArray(item)) {
      queue.push(...item);
    } else {
      queue.push(...Object.values(item));
    }
  }
}

function getConfigType(
  // TODO(T71778680): Flow-type this node.
  ast: $FlowFixMe,
  Visitor: ({isComponent: boolean, isModule: boolean}) => {
    [type: string]: (node: $FlowFixMe) => void,
  },
): 'module' | 'component' | 'none' {
  let infoMap = {
    isComponent: false,
    isModule: false,
  };

  visit(ast, Visitor(infoMap));

  const {isModule, isComponent} = infoMap;
  if (isModule && isComponent) {
    throw new Error(
      'Found type extending "TurboModule" and exported "codegenNativeComponent" declaration in one file. Split them into separated files.',
    );
  }

  if (isModule) {
    return 'module';
  } else if (isComponent) {
    return 'component';
  } else {
    return 'none';
  }
}

// TODO(T71778680): Flow-type ASTNodes.
function isModuleRegistryCall(node: $FlowFixMe): boolean {
  if (node.type !== 'CallExpression') {
    return false;
  }

  const callExpression = node;

  if (callExpression.callee.type !== 'MemberExpression') {
    return false;
  }

  const memberExpression = callExpression.callee;
  if (
    !(
      memberExpression.object.type === 'Identifier' &&
      memberExpression.object.name === 'TurboModuleRegistry'
    )
  ) {
    return false;
  }

  if (
    !(
      memberExpression.property.type === 'Identifier' &&
      (memberExpression.property.name === 'get' ||
        memberExpression.property.name === 'getEnforcing')
    )
  ) {
    return false;
  }

  if (memberExpression.computed) {
    return false;
  }

  return true;
}

function getSortedObject<T>(unsortedObject: {[key: string]: T}): {
  [key: string]: T,
} {
  return Object.keys(unsortedObject)
    .sort()
    .reduce((sortedObject: {[key: string]: T}, key: string) => {
      sortedObject[key] = unsortedObject[key];
      return sortedObject;
    }, {});
}

module.exports = {
  getConfigType,
  extractNativeModuleName,
  createParserErrorCapturer,
  verifyPlatforms,
  visit,
  isModuleRegistryCall,
  getSortedObject,
};

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