Set special flags when configuring db-only fields (#15640)

Co-authored-by: ian <licitdev@gmail.com>

app/src/utils/get-special-for-type.test.ts

@@ -0,0 +1,28 @@
+import { TYPES } from '@directus/shared/constants';
+import { expect, test } from 'vitest';
+import { getSpecialForType } from './get-special-for-type';
+
+const castPrefixedSpecials = ['json', 'csv', 'boolean'];
+const nonPrefixedSpecials = ['uuid', 'hash', 'geometry'];
+
+test('Returns cast-prefixed special array for json, csv, and boolean field types', () => {
+	const types = TYPES.filter((type) => castPrefixedSpecials.includes(type));
+	for (const type of types) {
+		expect(getSpecialForType(type)).toStrictEqual(['cast-' + type]);
+	}
+});
+
+test('Returns special array for uuid, hash, and geometry field types', () => {
+	const types = TYPES.filter((type) => nonPrefixedSpecials.includes(type));
+	for (const type of types) {
+		expect(getSpecialForType(type)).toStrictEqual([type]);
+	}
+});
+
+test('Returns null for other field types', () => {
+	const specials = [...castPrefixedSpecials, ...nonPrefixedSpecials];
+	const types = TYPES.filter((type) => !specials.includes(type));
+	for (const type of types) {
+		expect(getSpecialForType(type)).toStrictEqual(null);
+	}
+});

app/src/utils/get-special-for-type.ts

@@ -0,0 +1,16 @@
+import { Type } from '@directus/shared/types';
+
+export function getSpecialForType(type: Type): string[] | null {
+	switch (type) {
+		case 'json':
+		case 'csv':
+		case 'boolean':
+			return ['cast-' + type];
+		case 'uuid':
+		case 'hash':
+		case 'geometry':
+			return [type];
+		default:
+			return null;
+	}
+}