@effect/data - npm Package Compare versions

Comparing version 0.16.0 to 0.16.1

Function.d.ts

@@ -323,2 +323,28 @@ /**
 /**
+ * Performs left-to-right function composition. The first argument may have any arity, the remaining arguments must be unary.
+ *
+ * See also [`pipe`](#pipe).
+ *
+ * @example
+ * import { flow } from "@effect/data/Function"
+ *
+ * const len = (s: string): number => s.length
+ * const double = (n: number): number => n * 2
+ *
+ * const f = flow(len, double)
+ *
+ * assert.strictEqual(f('aaa'), 6)
+ *
+ * @since 1.0.0
+ */
+export declare function flow<A extends ReadonlyArray<unknown>, B>(ab: (...a: A) => B): (...a: A) => B;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C>(ab: (...a: A) => B, bc: (b: B) => C): (...a: A) => C;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C, D>(ab: (...a: A) => B, bc: (b: B) => C, cd: (c: C) => D): (...a: A) => D;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C, D, E>(ab: (...a: A) => B, bc: (b: B) => C, cd: (c: C) => D, de: (d: D) => E): (...a: A) => E;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F>(ab: (...a: A) => B, bc: (b: B) => C, cd: (c: C) => D, de: (d: D) => E, ef: (e: E) => F): (...a: A) => F;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G>(ab: (...a: A) => B, bc: (b: B) => C, cd: (c: C) => D, de: (d: D) => E, ef: (e: E) => F, fg: (f: F) => G): (...a: A) => G;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G, H>(ab: (...a: A) => B, bc: (b: B) => C, cd: (c: C) => D, de: (d: D) => E, ef: (e: E) => F, fg: (f: F) => G, gh: (g: G) => H): (...a: A) => H;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G, H, I>(ab: (...a: A) => B, bc: (b: B) => C, cd: (c: C) => D, de: (d: D) => E, ef: (e: E) => F, fg: (f: F) => G, gh: (g: G) => H, hi: (h: H) => I): (...a: A) => I;
+export declare function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G, H, I, J>(ab: (...a: A) => B, bc: (b: B) => C, cd: (c: C) => D, de: (d: D) => E, ef: (e: E) => F, fg: (f: F) => G, gh: (g: G) => H, hi: (h: H) => I, ij: (i: I) => J): (...a: A) => J;
+/**
  * Type hole simulation.
@@ -325,0 +351,0 @@ *

Function.js

@@ -6,3 +6,5 @@ "use strict";
 });
-exports.isFunction = exports.identity = exports.hole = exports.flip = exports.dual = exports.constant = exports.constVoid = exports.constUndefined = exports.constTrue = exports.constNull = exports.constFalse = exports.compose = exports.apply = exports.absurd = exports.SK = void 0;
+exports.flip = exports.dual = exports.constant = exports.constVoid = exports.constUndefined = exports.constTrue = exports.constNull = exports.constFalse = exports.compose = exports.apply = exports.absurd = exports.SK = void 0;
+exports.flow = flow;
+exports.isFunction = exports.identity = exports.hole = void 0;
 exports.pipe = pipe;
@@ -368,2 +370,41 @@ exports.untupled = exports.unsafeCoerce = exports.tupled = void 0;
 }
+function flow(ab, bc, cd, de, ef, fg, gh, hi, ij) {
+  switch (arguments.length) {
+    case 1:
+      return ab;
+    case 2:
+      return function () {
+        return bc(ab.apply(this, arguments));
+      };
+    case 3:
+      return function () {
+        return cd(bc(ab.apply(this, arguments)));
+      };
+    case 4:
+      return function () {
+        return de(cd(bc(ab.apply(this, arguments))));
+      };
+    case 5:
+      return function () {
+        return ef(de(cd(bc(ab.apply(this, arguments)))));
+      };
+    case 6:
+      return function () {
+        return fg(ef(de(cd(bc(ab.apply(this, arguments))))));
+      };
+    case 7:
+      return function () {
+        return gh(fg(ef(de(cd(bc(ab.apply(this, arguments)))))));
+      };
+    case 8:
+      return function () {
+        return hi(gh(fg(ef(de(cd(bc(ab.apply(this, arguments))))))));
+      };
+    case 9:
+      return function () {
+        return ij(hi(gh(fg(ef(de(cd(bc(ab.apply(this, arguments)))))))));
+      };
+  }
+  return;
+}
 /**
@@ -370,0 +411,0 @@ * Type hole simulation.

package.json

 {
   "name": "@effect/data",
-  "version": "0.16.0",
+  "version": "0.16.1",
   "license": "MIT",
@@ -5,0 +5,0 @@ "repository": {

src/Function.ts

@@ -685,2 +685,127 @@ /**
 /**
+ * Performs left-to-right function composition. The first argument may have any arity, the remaining arguments must be unary.
+ *
+ * See also [`pipe`](#pipe).
+ *
+ * @example
+ * import { flow } from "@effect/data/Function"
+ *
+ * const len = (s: string): number => s.length
+ * const double = (n: number): number => n * 2
+ *
+ * const f = flow(len, double)
+ *
+ * assert.strictEqual(f('aaa'), 6)
+ *
+ * @since 1.0.0
+ */
+export function flow<A extends ReadonlyArray<unknown>, B>(ab: (...a: A) => B): (...a: A) => B
+export function flow<A extends ReadonlyArray<unknown>, B, C>(ab: (...a: A) => B, bc: (b: B) => C): (...a: A) => C
+export function flow<A extends ReadonlyArray<unknown>, B, C, D>(
+  ab: (...a: A) => B,
+  bc: (b: B) => C,
+  cd: (c: C) => D
+): (...a: A) => D
+export function flow<A extends ReadonlyArray<unknown>, B, C, D, E>(
+  ab: (...a: A) => B,
+  bc: (b: B) => C,
+  cd: (c: C) => D,
+  de: (d: D) => E
+): (...a: A) => E
+export function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F>(
+  ab: (...a: A) => B,
+  bc: (b: B) => C,
+  cd: (c: C) => D,
+  de: (d: D) => E,
+  ef: (e: E) => F
+): (...a: A) => F
+export function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G>(
+  ab: (...a: A) => B,
+  bc: (b: B) => C,
+  cd: (c: C) => D,
+  de: (d: D) => E,
+  ef: (e: E) => F,
+  fg: (f: F) => G
+): (...a: A) => G
+export function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G, H>(
+  ab: (...a: A) => B,
+  bc: (b: B) => C,
+  cd: (c: C) => D,
+  de: (d: D) => E,
+  ef: (e: E) => F,
+  fg: (f: F) => G,
+  gh: (g: G) => H
+): (...a: A) => H
+export function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G, H, I>(
+  ab: (...a: A) => B,
+  bc: (b: B) => C,
+  cd: (c: C) => D,
+  de: (d: D) => E,
+  ef: (e: E) => F,
+  fg: (f: F) => G,
+  gh: (g: G) => H,
+  hi: (h: H) => I
+): (...a: A) => I
+export function flow<A extends ReadonlyArray<unknown>, B, C, D, E, F, G, H, I, J>(
+  ab: (...a: A) => B,
+  bc: (b: B) => C,
+  cd: (c: C) => D,
+  de: (d: D) => E,
+  ef: (e: E) => F,
+  fg: (f: F) => G,
+  gh: (g: G) => H,
+  hi: (h: H) => I,
+  ij: (i: I) => J
+): (...a: A) => J
+export function flow(
+  ab: Function,
+  bc?: Function,
+  cd?: Function,
+  de?: Function,
+  ef?: Function,
+  fg?: Function,
+  gh?: Function,
+  hi?: Function,
+  ij?: Function
+): unknown {
+  switch (arguments.length) {
+    case 1:
+      return ab
+    case 2:
+      return function(this: unknown) {
+        return bc!(ab.apply(this, arguments))
+      }
+    case 3:
+      return function(this: unknown) {
+        return cd!(bc!(ab.apply(this, arguments)))
+      }
+    case 4:
+      return function(this: unknown) {
+        return de!(cd!(bc!(ab.apply(this, arguments))))
+      }
+    case 5:
+      return function(this: unknown) {
+        return ef!(de!(cd!(bc!(ab.apply(this, arguments)))))
+      }
+    case 6:
+      return function(this: unknown) {
+        return fg!(ef!(de!(cd!(bc!(ab.apply(this, arguments))))))
+      }
+    case 7:
+      return function(this: unknown) {
+        return gh!(fg!(ef!(de!(cd!(bc!(ab.apply(this, arguments)))))))
+      }
+    case 8:
+      return function(this: unknown) {
+        return hi!(gh!(fg!(ef!(de!(cd!(bc!(ab.apply(this, arguments))))))))
+      }
+    case 9:
+      return function(this: unknown) {
+        return ij!(hi!(gh!(fg!(ef!(de!(cd!(bc!(ab.apply(this, arguments)))))))))
+      }
+  }
+  return
+}
+
+/**
  * Type hole simulation.
@@ -687,0 +812,0 @@ *

No alert changes

Improved metrics

Total package byte prevSize

2935140

0.48%

Lines of code

61894

0.37%

No dependency changes