feat: Add support for deletable fields

Author: fwal

packages/effect-firebase/src/lib/firestore/model/optional.ts

@@ -1,7 +1,7 @@
 import { Schema } from 'effect';
 import { VariantSchema } from '@effect/experimental';
 import { VariantsDatabase, fieldEvolve } from './core.js';
-import { Delete } from '../schema/delete.js';
+import { Delete } from '../schema/fields.js';
 
 /**
  * Convert a field to one that is optional for all variants.

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

@@ -0,0 +1,13 @@
+import { Schema } from 'effect';
+
+/**
+ * Represents a delete operation. This will remove the field from the document.
+ */
+export class Delete extends Schema.Class<Delete>('Delete')({}) {}
+export const DeleteInstance = Schema.instanceOf(Delete);
+
+export class ArrayAdd extends Schema.Class<ArrayAdd>('ArrayAdd')({}) {}
+export const ArrayAddInstance = Schema.instanceOf(ArrayAdd);
+
+export class ArrayRemove extends Schema.Class<ArrayRemove>('ArrayRemove')({}) {}
+export const ArrayRemoveInstance = Schema.instanceOf(ArrayRemove);

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

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