| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | */ |
| 7 | |
| 8 | import * as t from '@babel/types'; |
| 9 | |
| 10 | export type ComponentDeclaration = t.FunctionDeclaration & { |
| 11 | __componentDeclaration: boolean; |
| 12 | }; |
| 13 | |
| 14 | export function isComponentDeclaration( |
| 15 | node: t.FunctionDeclaration, |
| 16 | ): node is ComponentDeclaration { |
| 17 | return Object.prototype.hasOwnProperty.call(node, '__componentDeclaration'); |
| 18 | } |
| 19 | |
| 20 | export function parseComponentDeclaration( |
| 21 | node: t.FunctionDeclaration, |
| 22 | ): ComponentDeclaration | null { |
| 23 | return isComponentDeclaration(node) ? node : null; |
| 24 | } |