getChildHostContext() — react Function Reference

Architecture documentation for the getChildHostContext() function in ReactFiberConfigFabric.js from the react codebase.

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Entity Profile

BabelCompiler→ Validation→ getChildHostContext() — react Function Reference

Dependency Diagram

graph TD
  8a8c54f2_2da3_57df_945c_52b8881bcdd3["getChildHostContext()"]
  948a0d34_693c_c158_f23e_d41306507c72["ReactFiberConfigFabric.js"]
  8a8c54f2_2da3_57df_945c_52b8881bcdd3 -->|defined in| 948a0d34_693c_c158_f23e_d41306507c72
  style 8a8c54f2_2da3_57df_945c_52b8881bcdd3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-native-renderer/src/ReactFiberConfigFabric.js lines 269–291

export function getChildHostContext(
  parentHostContext: HostContext,
  type: string,
): HostContext {
  if (__DEV__) {
    const prevIsInAParentText = parentHostContext.isInAParentText;
    const isInAParentText =
      type === 'AndroidTextInput' || // Android
      type === 'RCTMultilineTextInputView' || // iOS
      type === 'RCTSinglelineTextInputView' || // iOS
      type === 'RCTText' ||
      type === 'RCTVirtualText';

    // TODO: If this is an offscreen host container, we should reuse the
    // parent context.

    if (prevIsInAParentText !== isInAParentText) {
      return {isInAParentText};
    }
  }

  return parentHostContext;
}