feat: add round

Author: iserdmi

src/index.test.ts

@@ -267,6 +267,24 @@ describe('Error0', () => {
     expect(AppError.serialize(recreated, false)).toEqual(json)
   })
 
+  it('.round() static and instance do serialize/from roundtrip', () => {
+    const AppError = Error0.use(statusPlugin).use(codePlugin)
+    const error = new AppError('test', { status: 409, code: 'NOT_FOUND' })
+    const roundedStatic = AppError.round(error, false)
+    const roundedInstance = error.round(false)
+
+    expect(roundedStatic).toBeInstanceOf(AppError)
+    expect(roundedInstance).toBeInstanceOf(AppError)
+    expect(roundedStatic.status).toBe(409)
+    expect(roundedStatic.code).toBe('NOT_FOUND')
+    expect(roundedInstance.status).toBe(409)
+    expect(roundedInstance.code).toBe('NOT_FOUND')
+    expectTypeOf(roundedStatic.status).toEqualTypeOf<number | undefined>()
+    expectTypeOf(roundedStatic.code).toEqualTypeOf<'NOT_FOUND' | 'BAD_REQUEST' | 'UNAUTHORIZED' | undefined>()
+    expectTypeOf(roundedInstance.status).toEqualTypeOf<number | undefined>()
+    expectTypeOf(roundedInstance.code).toEqualTypeOf<'NOT_FOUND' | 'BAD_REQUEST' | 'UNAUTHORIZED' | undefined>()
+  })
+
   it('.serialize() floated props and not serialize causes', () => {
     const AppError = Error0.use(statusPlugin).use(codePlugin)
     const error1 = new AppError('test', { status: 409 })
@@ -277,7 +295,6 @@ describe('Error0', () => {
     expect('cause' in json).toBe(false)
   })
 
-
   it('by default causes not serialized', () => {
     const AppError = Error0.use(statusPlugin).use(codePlugin)
     const error = new AppError('test', { status: 400, code: 'NOT_FOUND' })
@@ -554,7 +571,6 @@ describe('Error0', () => {
     expect(error1.code).toBe(undefined)
   })
 
-
   it('messages can be combined on serialization', () => {
     const AppError = Error0.use(statusPlugin)
       .use(codePlugin)
@@ -609,7 +625,6 @@ describe('Error0', () => {
     `)
   })
 
-
   it('Error0 assignable to LikeError0', () => {
     type LikeError0 = {
       from: (error: unknown) => Error

src/index.ts

@@ -404,6 +404,10 @@ export type ClassError0<TPluginsMap extends ErrorPluginsMap = EmptyPluginsMap> =
   from: (
     error: unknown,
   ) => Error0 & ErrorResolved<TPluginsMap> & ErrorOwnMethods<TPluginsMap> & ErrorResolveMethods<TPluginsMap>
+  round: (
+    error: unknown,
+    isPublic?: boolean,
+  ) => Error0 & ErrorResolved<TPluginsMap> & ErrorOwnMethods<TPluginsMap> & ErrorResolveMethods<TPluginsMap>
   resolve: (error: unknown) => ErrorResolvedProps<TPluginsMap>
   serialize: (error: unknown, isPublic?: boolean) => Record<string, unknown>
   own: {
@@ -713,6 +717,10 @@ export class Error0 extends Error {
     return this._fromNonError0(error)
   }
 
+  static round(error: unknown, isPublic = false): Error0 {
+    return this.from(this.serialize(error, isPublic))
+  }
+
   private static _applyAdapt(error: Error0): Error0 {
     const plugin = this._getResolvedPlugin()
     for (const adapt of plugin.adapt) {
@@ -1075,4 +1083,9 @@ export class Error0 extends Error {
     const ctor = this.constructor as typeof Error0
     return ctor.serialize(this, isPublic)
   }
+
+  round<TThis extends Error0>(this: TThis, isPublic = true): TThis {
+    const ctor = this.constructor as typeof Error0
+    return ctor.round(this, isPublic) as TThis
+  }
 }