neverthrow - npm Package Compare versions

Comparing version 7.0.0 to 7.0.1

dist/index.d.ts

@@ -23,3 +23,3 @@ interface ErrorConfig {
     orElse<A>(f: (e: E) => Result<T, A> | ResultAsync<T, A>): ResultAsync<T, A>;
-    match<A>(ok: (t: T) => A, _err: (e: E) => A): Promise<A>;
+    match<A, B = A>(ok: (t: T) => A, _err: (e: E) => B): Promise<A | B>;
     unwrapOr<A>(t: A): Promise<T | A>;
@@ -91,2 +91,3 @@ /**
 declare function safeTry<T, E>(body: () => Generator<Err<never, E>, Result<T, E>>): Result<T, E>;
+declare function safeTry<YieldErr extends Err<never, unknown>, GeneratorReturnResult extends Result<unknown, unknown>>(body: () => Generator<YieldErr, GeneratorReturnResult>): Result<InferOkTypes<GeneratorReturnResult>, InferErrTypes<YieldErr> | InferErrTypes<GeneratorReturnResult>>;
 /**
@@ -105,2 +106,3 @@ * Evaluates the given generator to a Result returned or an Err yielded from it,
 declare function safeTry<T, E>(body: () => AsyncGenerator<Err<never, E>, Result<T, E>>): Promise<Result<T, E>>;
+declare function safeTry<YieldErr extends Err<never, unknown>, GeneratorReturnResult extends Result<unknown, unknown>>(body: () => AsyncGenerator<YieldErr, GeneratorReturnResult>): Promise<Result<InferOkTypes<GeneratorReturnResult>, InferErrTypes<YieldErr> | InferErrTypes<GeneratorReturnResult>>>;
 interface IResult<T, E> {
@@ -199,3 +201,3 @@ /**
      */
-    match<A>(ok: (t: T) => A, err: (e: E) => A): A;
+    match<A, B = A>(ok: (t: T) => A, err: (e: E) => B): A | B;
     /**
@@ -237,3 +239,3 @@ * Emulates Rust's `?` operator in `safeTry`'s body. See also `safeTry`.
     unwrapOr<A>(_v: A): T | A;
-    match<A>(ok: (t: T) => A, _err: (e: E) => A): A;
+    match<A, B = A>(ok: (t: T) => A, _err: (e: E) => B): A | B;
     safeUnwrap(): Generator<Err<never, E>, T>;
@@ -257,3 +259,3 @@ _unsafeUnwrap(_?: ErrorConfig): T;
     unwrapOr<A>(v: A): T | A;
-    match<A>(_ok: (t: T) => A, err: (e: E) => A): A;
+    match<A, B = A>(_ok: (t: T) => A, err: (e: E) => B): A | B;
     safeUnwrap(): Generator<Err<never, E>, T>;
@@ -260,0 +262,0 @@ _unsafeUnwrap(config?: ErrorConfig): T;

package.json

 {
   "name": "neverthrow",
-  "version": "7.0.0",
+  "version": "7.0.1",
   "description": "Stop throwing errors, and instead return Results!",
@@ -5,0 +5,0 @@ "main": "dist/index.cjs.js",

README.md

@@ -451,6 +451,6 @@ > Seeking co-maintainers: I don't have much time to maintain this project these days. If someone would like to jump in and become a co-maintainer, it would be appreciated!
 class Result<T, E> {
-  match<A>(
+  match<A, B = A>(
     okCallback: (value: T) =>  A,
-    errorCallback: (error: E) =>  A
-  ): A => { ... }
+    errorCallback: (error: E) =>  B
+  ): A | B => { ... }
 }
@@ -1071,6 +1071,6 @@ ```
 class ResultAsync<T, E> {
-  match<A>(
+  match<A, B = A>(
     okCallback: (value: T) =>  A,
-    errorCallback: (error: E) =>  A
-  ): Promise<A> => { ... }
+    errorCallback: (error: E) =>  B
+  ): Promise<A | B> => { ... }
 }
@@ -1077,0 +1077,0 @@ ```

No alert changes

Improved metrics

Total package byte prevSize

91613

increased by0.72%

Lines of code

1075

increased by0.37%

No dependency changes