Function mergeInject

packages/runtime-core/src/componentOptions.ts:1060–1065

(
  to: ComponentInjectOptions | undefined,
  from: ComponentInjectOptions,
)

}

function mergeInject(
  to: ComponentInjectOptions | undefined,
  from: ComponentInjectOptions,
) {
  return mergeObjectOptions(normalizeInject(to), normalizeInject(from))
}

function normalizeInject(
  raw: ComponentInjectOptions | undefined,