Function map_function_on_collection

map_function_on_collection(collection_path, mapper): Promise<void>
Retrieves all documents from the specified Firestore collection, applies a mapper function to each document's data, and stores the updated documents back to Firestore.
Parameters
- collection_path: string
  The Firestore collection path to retrieve
- mapper: ((doc: {
      document: DocumentData;
      full_path: string;
      id: string;
  }) => DocumentData)
  A function that takes a single document object and returns the transformed document data
  - - (doc): DocumentData
    - Parameters
      doc: {
          document: DocumentData;
          full_path: string;
          id: string;
      }
      document: DocumentData
      full_path: string
      id: string
      Returns DocumentData
Returns Promise<void>
A Promise that resolves once all documents have been updated.
- Defined in packages/ts_node/src/apis/firestore_utils.ts:85