feat: add todo and unimplemented

.changeset/pretty-pears-rule.md

@@ -0,0 +1,5 @@
+---
+'@masknet/kit': minor
+---
+
+add todo and unimplemented

src/index.ts

@@ -14,7 +14,7 @@ export {
 export { formatFileSize } from './media/file.js'
 export { getDimensionAsJPEG, getDimensionAsPNG } from './media/image.js'
 
-export { safeUnreachable, unreachable } from './typescript/control-flow.js'
+export { safeUnreachable, unreachable, todo, unimplemented } from './typescript/control-flow.js'
 export { getEnumAsArray } from './typescript/enum.js'
 export { assertNonNull, isNonNull } from './typescript/nonNull.js'
 

src/typescript/control-flow.ts

@@ -1,8 +1,20 @@
 export function unreachable(value: never): never {
     console.error('Unhandled value: ', value)
+    try {
+        // @ts-expect-error
+        value = String(value)
+    } catch { }
     throw new Error('Unreachable case:' + value)
 }
 
 export function safeUnreachable(value: never) {
     console.error('Unhandled value: ', value)
 }
+
+export function unimplemented(): never {
+    throw new Error('Not implemented')
+}
+
+export function todo(message: string): never {
+    throw new Error('Not implemented: ' + message)
+}