Function normalizeProps

packages/jsx/src/createElement.ts:184–197

(
  props: Readonly<Record<string, unknown>> | null | undefined,
  key: string | undefined,
)

}

function normalizeProps(
  props: Readonly<Record<string, unknown>> | null | undefined,
  key: string | undefined,
): Record<string, unknown> {
  if (props === null || props === undefined) {
    return key === undefined ? {} : { key };
  }

  if (key === undefined) {
    return { ...props };
  }

  return { ...props, key };
}

/**
 * Create a Rezi VNode from JSX runtime inputs.