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/var/www/uibuilder.cmshelp.dk/httpdocs/node_modules/metro-transform-plugins/src/utils/createInlinePlatformChecks.js.flow

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/**
 * 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
 * @oncall react_native
 */

'use strict';

import type {Scope} from '@babel/traverse';
import type {CallExpression, MemberExpression} from '@babel/types';
// Type only import. No runtime dependency
// eslint-disable-next-line import/no-extraneous-dependencies
import typeof * as Types from '@babel/types';

const importMap = new Map([['ReactNative', 'react-native']]);

type PlatformChecks = {
  isPlatformNode: (
    node: MemberExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ) => boolean,
  isPlatformSelectNode: (
    node: CallExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ) => boolean,
};

function createInlinePlatformChecks(
  t: Types,
  requireName: string = 'require',
): PlatformChecks {
  const {
    isIdentifier,
    isStringLiteral,
    isNumericLiteral,
    isMemberExpression,
    isCallExpression,
  } = t;
  const isPlatformNode = (
    node: MemberExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ): boolean =>
    isPlatformOS(node, scope, isWrappedModule) ||
    isReactPlatformOS(node, scope, isWrappedModule);

const isPlatformSelectNode = (
    node: CallExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ): boolean =>
    isPlatformSelect(node, scope, isWrappedModule) ||
    isReactPlatformSelect(node, scope, isWrappedModule);

const isPlatformOS = (
    node: MemberExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ): boolean =>
    isIdentifier(node.property, {name: 'OS'}) &&
    isImportOrGlobal(node.object, scope, [{name: 'Platform'}], isWrappedModule);

const isReactPlatformOS = (
    node: MemberExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ): boolean =>
    isIdentifier(node.property, {name: 'OS'}) &&
    isMemberExpression(node.object) &&
    isIdentifier(node.object.property, {name: 'Platform'}) &&
    isImportOrGlobal(
      // $FlowFixMe[incompatible-call]
      node.object.object,
      scope,
      [{name: 'React'}, {name: 'ReactNative'}],
      isWrappedModule,
    );

const isPlatformSelect = (
    node: CallExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ): boolean =>
    isMemberExpression(node.callee) &&
    isIdentifier(node.callee.property, {name: 'select'}) &&
    isImportOrGlobal(
      // $FlowFixMe[incompatible-call]
      node.callee.object,
      scope,
      [{name: 'Platform'}],
      isWrappedModule,
    );

const isReactPlatformSelect = (
    node: CallExpression,
    scope: Scope,
    isWrappedModule: boolean,
  ): boolean =>
    isMemberExpression(node.callee) &&
    isIdentifier(node.callee.property, {name: 'select'}) &&
    isMemberExpression(node.callee.object) &&
    isIdentifier(node.callee.object.property, {name: 'Platform'}) &&
    isImportOrGlobal(
      // $FlowFixMe[incompatible-call]
      // $FlowFixMe[incompatible-use]
      node.callee.object.object,
      scope,
      [{name: 'React'}, {name: 'ReactNative'}],
      isWrappedModule,
    );

const isRequireCall = (
    node: BabelNodeExpression,
    dependencyId: string,
    scope: Scope,
  ): boolean =>
    isCallExpression(node) &&
    isIdentifier(node.callee, {name: requireName}) &&
    checkRequireArgs(node.arguments, dependencyId);

const checkRequireArgs = (
    args: Array<
      | BabelNodeExpression
      | BabelNodeSpreadElement
      | BabelNodeArgumentPlaceholder,
    >,
    dependencyId: string,
  ): boolean => {
    const pattern = t.stringLiteral(dependencyId);
    return (
      isStringLiteral(args[0], pattern) ||
      (isMemberExpression(args[0]) &&
        isNumericLiteral(args[0].property) &&
        isStringLiteral(args[1], pattern))
    );
  };

const isToplevelBinding = (
    binding: void | $FlowFixMe,
    isWrappedModule: boolean,
  ): boolean =>
    !binding ||
    !binding.scope.parent ||
    (isWrappedModule && !binding.scope.parent.parent);

return {
    isPlatformNode,
    isPlatformSelectNode,
  };
}

module.exports = createInlinePlatformChecks;

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	createInlinePlatformChecks.js	3.41 KB	lrw-r--r--	2025-03-28 11:04:32	Edit Download recursive recursive
	createInlinePlatformChecks.js.flow	4.84 KB	lrw-r--r--	2025-03-28 11:04:32	Edit Download recursive recursive