index.tsx
65 lines
| 1 | import {useMemo, useRef, useState, useEffect, ReactNode} from 'react'; |
| 2 | import {CacheProvider} from '@emotion/react'; |
| 3 | import createCache from '@emotion/cache'; |
| 4 | |
| 5 | /** |
| 6 | * Custom Cache Provider for react-select in WordPress 6.9+ Iframe Context |
| 7 | * |
| 8 | * In WordPress 6.9+, block editor content renders inside an iframe. |
| 9 | * This component provides an Emotion cache configured to inject styles |
| 10 | * into the correct document (the iframe's head instead of the parent's). |
| 11 | * |
| 12 | * This is similar to react-select's NonceProvider but adds the crucial |
| 13 | * `container` option to target the iframe's document. |
| 14 | */ |
| 15 | |
| 16 | /** |
| 17 | * @since 4.13.2 |
| 18 | */ |
| 19 | type EmotionStylesProviderProps = { |
| 20 | children: ReactNode; |
| 21 | cacheKey?: string; |
| 22 | }; |
| 23 | |
| 24 | /** |
| 25 | * Provides an Emotion cache that injects styles into the current document. |
| 26 | * This is essential for WordPress 6.9+ where blocks render in an iframe. |
| 27 | * @since 4.13.2 |
| 28 | */ |
| 29 | export default function EmotionStylesProvider({children, cacheKey = 'givewp'}: EmotionStylesProviderProps) { |
| 30 | const containerRef = useRef<HTMLDivElement>(null); |
| 31 | const [container, setContainer] = useState<HTMLElement | null>(null); |
| 32 | |
| 33 | // Get the correct document head after mount |
| 34 | useEffect(() => { |
| 35 | if (containerRef.current) { |
| 36 | setContainer(containerRef.current.ownerDocument.head); |
| 37 | } |
| 38 | }, []); |
| 39 | |
| 40 | // Create cache with the container option to target the correct document |
| 41 | const emotionCache = useMemo(() => { |
| 42 | if (!container) { |
| 43 | return null; |
| 44 | } |
| 45 | return createCache({ |
| 46 | key: cacheKey, |
| 47 | container: container, |
| 48 | }); |
| 49 | }, [cacheKey, container]); |
| 50 | |
| 51 | // Render a wrapper div to get the document reference |
| 52 | // Use display:contents so it doesn't affect layout |
| 53 | // IMPORTANT: Don't render children until cache is ready to ensure |
| 54 | // Emotion styles are injected into the correct document from the start |
| 55 | return ( |
| 56 | <div ref={containerRef} style={{display: 'contents'}}> |
| 57 | {emotionCache && ( |
| 58 | <CacheProvider value={emotionCache}> |
| 59 | {children} |
| 60 | </CacheProvider> |
| 61 | )} |
| 62 | </div> |
| 63 | ); |
| 64 | } |
| 65 |