codebase overhaul (#697)

2 files changed, 54 insertions, 0 deletions

diff --git a/apps/web/src/stores/keybindings/migrations/index.ts b/apps/web/src/stores/keybindings/migrations/index.ts
new file mode 100644
index 00000000..1689802e
--- /dev/null
+++ b/apps/web/src/stores/keybindings/migrations/index.ts
@@ -0,0 +1,28 @@
+import { v2ToV3 } from './v2-to-v3';
+
+type MigrationFn = ({ state }: { state: unknown }) => unknown;
+
+/**
+ * key = version we're migrating from
+ * value = migration function
+ */
+const migrations: Record<number, MigrationFn> = {
+	2: v2ToV3,
+};
+
+export const CURRENT_VERSION = 3;
+
+export function runMigrations({
+	state,
+	fromVersion,
+}: {
+	state: unknown;
+	fromVersion: number;
+}): unknown {
+	let current = state;
+	for (let version = fromVersion; version < CURRENT_VERSION; version++) {
+		const migrate = migrations[version];
+		if (migrate) current = migrate({ state: current });
+	}
+	return current;
+}
diff --git a/apps/web/src/stores/keybindings/migrations/v2-to-v3.ts b/apps/web/src/stores/keybindings/migrations/v2-to-v3.ts
new file mode 100644
index 00000000..1517b52b
--- /dev/null
+++ b/apps/web/src/stores/keybindings/migrations/v2-to-v3.ts
@@ -0,0 +1,26 @@
+import type { KeybindingConfig, ShortcutKey } from "@/types/keybinding";
+import type { TActionWithOptionalArgs } from "@/lib/actions";
+
+interface V2State {
+	keybindings: KeybindingConfig;
+	isCustomized: boolean;
+}
+
+export function v2ToV3({ state }: { state: unknown }): unknown {
+	const v2 = state as V2State;
+
+	const renames: Record<string, string> = {
+		"split-selected": "split",
+		"split-selected-left": "split-left",
+		"split-selected-right": "split-right",
+	};
+
+	const migrated = { ...v2.keybindings };
+	for (const [key, action] of Object.entries(migrated)) {
+		if (action && renames[action]) {
+			migrated[key as ShortcutKey] = renames[action] as TActionWithOptionalArgs;
+		}
+	}
+
+	return { ...v2, keybindings: migrated };
+}