Add white migration (#3334)

This PR adds a down migration for #3321.

### Change Type

- [x] `sdk` — Changes the tldraw SDK
- [x] `dunno` — I don't know

packages/state/api/api.json

@@ -2387,7 +2387,7 @@
             },
             {
               "kind": "Content",
-              "text": "Value | (() => Value)"
+              "text": "(() => Value) | Value"
             },
             {
               "kind": "Content",
@@ -2813,7 +2813,7 @@
             },
             {
               "kind": "Content",
-              "text": "undefined | any[]"
+              "text": "any[] | undefined"
             },
             {
               "kind": "Content",

packages/tlschema/src/migrations.test.ts

@@ -2030,6 +2030,34 @@ describe('Fractional indexing for line points', () => {
 	})
 })
 
+describe('add white', () => {
+	const { up, down } = rootShapeMigrations.migrators[rootShapeVersions.AddWhite]
+
+	test('up works as expected', () => {
+		expect(
+			up({
+				props: {},
+			})
+		).toEqual({
+			props: {},
+		})
+	})
+
+	test('down works as expected', () => {
+		expect(
+			down({
+				props: {
+					color: 'white',
+				},
+			})
+		).toEqual({
+			props: {
+				color: 'black',
+			},
+		})
+	})
+})
+
 /* ---  PUT YOUR MIGRATIONS TESTS ABOVE HERE --- */
 
 for (const migrator of allMigrators) {

packages/tlschema/src/records/TLShape.ts

@@ -87,11 +87,12 @@ export const rootShapeVersions = {
 	AddIsLocked: 1,
 	HoistOpacity: 2,
 	AddMeta: 3,
+	AddWhite: 4,
 } as const
 
 /** @internal */
 export const rootShapeMigrations = defineMigrations({
-	currentVersion: rootShapeVersions.AddMeta,
+	currentVersion: rootShapeVersions.AddWhite,
 	migrators: {
 		[rootShapeVersions.AddIsLocked]: {
 			up: (record) => {
@@ -147,6 +148,22 @@ export const rootShapeMigrations = defineMigrations({
 				}
 			},
 		},
+		[rootShapeVersions.AddWhite]: {
+			up: (record) => {
+				return {
+					...record,
+				}
+			},
+			down: (record) => {
+				return {
+					...record,
+					props: {
+						...record.props,
+						color: record.props.color === 'white' ? 'black' : record.props.color,
+					},
+				}
+			},
+		},
 	},
 })