fp-toolkit - npm Package Compare versions

Comparing version 1.2.3 to 1.3.0

CHANGELOG.md

@@ -5,2 +5,9 @@ # Changelog
 
+## [1.3.0](https://github.com/fp-toolkit/fp-toolkit/compare/v1.2.3...v1.3.0) (2023-03-30)
+
+
+### Features
+
+* **AsyncResult:** add tee and teeErr fns ([3309d63](https://github.com/fp-toolkit/fp-toolkit/commit/3309d635eecb5b4b8d84e4114a1adcf8276c950d))
+
 ### [1.2.3](https://github.com/fp-toolkit/fp-toolkit/compare/v1.2.2...v1.2.3) (2023-03-28)
@@ -7,0 +14,0 @@

package.json

@@ -22,3 +22,3 @@ {
     ],
-    "version": "1.2.3",
+    "version": "1.3.0",
     "main": "./src/index.ts",
@@ -25,0 +25,0 @@ "scripts": {

src/AsyncResult.ts

@@ -302,2 +302,36 @@ /**
 
+/**
+ * Execute an arbitrary side-effect on the inner `Ok` value of an `AsyncResult`
+ * within a pipeline of functions. Useful for logging and debugging. Passes
+ * the inner value through unchanged. Sometimes referred to as `do` or `tap`.
+ *
+ * The side-effect will be invoked once the underlying `Promise` has resolved.
+ *
+ * @param f The side-effect to execute. Should not mutate its arguments.
+ * @returns The `AsyncResult`, unchanged.
+ *
+ * @group Utils
+ */
+export const tee =
+    <A>(f: (a: A) => void) =>
+    <E>(async: AsyncResult<A, E>): AsyncResult<A, E> =>
+        Async.tee<Result<A, E>>(Result.tee(f))(async)
+
+/**
+ * Execute an arbitrary side-effect on the inner `Err` value of an `AsyncResult`
+ * within a pipeline of functions. Useful for logging and debugging. Passes
+ * the inner value through unchanged. Sometimes referred to as `do` or `tap`.
+ *
+ * The side-effect will be invoked once the underlying `Promise` has resolved.
+ *
+ * @param f The side-effect to execute. Should not mutate its arguments.
+ * @returns The `AsyncResult`, unchanged.
+ *
+ * @group Utils
+ */
+export const teeErr =
+    <E>(f: (a: E) => void) =>
+    <A>(async: AsyncResult<A, E>): AsyncResult<A, E> =>
+        Async.tee<Result<A, E>>(Result.teeErr(f))(async)
+
 /* c8 ignore start */
@@ -320,3 +354,5 @@ /** @ignore */
     start,
+    tee,
+    teeErr,
 }
 /* c8 ignore end */

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Improved metrics

Total package byte prevSize

198230

increased by0.77%

Lines of code

5608

increased by0.61%

No dependency changes