feat: Add support for deleting fields

Author: fwal

packages/admin/src/lib/firestore/converter.ts

@@ -35,6 +35,9 @@ export const toFirestoreDocumentData = (
   if (data instanceof FirestoreSchema.ServerTimestamp) {
     return FieldValue.serverTimestamp();
   }
+  if (data instanceof FirestoreSchema.Delete) {
+    return FieldValue.delete();
+  }
   if (Array.isArray(data)) {
     return data.map((item) => toFirestoreDocumentData(db, item));
   }

packages/client/src/lib/firestore/converter.ts

@@ -1,4 +1,5 @@
 import {
+  deleteField,
   doc,
   DocumentData,
   DocumentReference,
@@ -37,6 +38,9 @@ export const toFirestoreDocumentData = (
   if (data instanceof FirestoreSchema.ServerTimestamp) {
     return serverTimestamp();
   }
+  if (data instanceof FirestoreSchema.Delete) {
+    return deleteField();
+  }
   if (Array.isArray(data)) {
     return data.map((item) => toFirestoreDocumentData(db, item));
   }

packages/effect-firebase/src/lib/firestore/schema/delete.ts

@@ -0,0 +1,6 @@
+import { Schema } from 'effect';
+
+/**
+ * Represents a delete operation. This will remove the field from the document.
+ */
+export class Delete extends Schema.Class<Delete>('Delete')({}) {}

packages/effect-firebase/src/lib/firestore/schema/schema.ts

@@ -1,3 +1,4 @@
 export * from './timestamp.js';
 export * from './geopoint.js';
 export * from './reference.js';
+export * from './delete.js';