Function pushProvider

packages/react-reconciler/src/ReactFiberNewContext.js:78–122

(
  providerFiber: Fiber,
  context: ReactContext<T>,
  nextValue: T,
)

}

export function pushProvider<T>(
  providerFiber: Fiber,
  context: ReactContext<T>,
  nextValue: T,
): void {
  if (isPrimaryRenderer) {
    push(valueCursor, context._currentValue, providerFiber);

    context._currentValue = nextValue;
    if (__DEV__) {
      push(rendererCursorDEV, context._currentRenderer, providerFiber);

      if (
        context._currentRenderer !== undefined &&
        context._currentRenderer !== null &&
        context._currentRenderer !== rendererSigil
      ) {
        console.error(
          class="st">'Detected multiple renderers concurrently rendering the ' +
            class="st">'same context provider. This is currently unsupported.',
        );
      }
      context._currentRenderer = rendererSigil;
    }
  } else {
    push(valueCursor, context._currentValue2, providerFiber);

    context._currentValue2 = nextValue;
    if (__DEV__) {
      push(renderer2CursorDEV, context._currentRenderer2, providerFiber);

      if (
        context._currentRenderer2 !== undefined &&
        context._currentRenderer2 !== null &&
        context._currentRenderer2 !== rendererSigil
      ) {
        console.error(
          class="st">'Detected multiple renderers concurrently rendering the ' +
            class="st">'same context provider. This is currently unsupported.',
        );
      }
      context._currentRenderer2 = rendererSigil;
    }
  }
}

export function popProvider(
  context: ReactContext<any>,