fix: random walk

simplify the function

package.json

@@ -6,8 +6,8 @@
   "author": "201flaviosilva",
   "license": "MIT",
   "type": "module",
-  "main": "./dist/counter.umd.cjs",
-  "module": "./dist/counter.js",
+  "main": "./dist/utilidades.umd.cjs",
+  "module": "./dist/utilidades.js",
   "types": "./types/main.d.ts",
   "scripts": {
     "clear": "rm -rf types && rm -rf docs && rm -rf build && rm -rf dist",
@@ -40,8 +40,8 @@
   ],
   "exports": {
     "types": "./types/main.d.ts",
-    "import": "./dist/counter.js",
-    "require": "./dist/counter.umd.cjs"
+    "import": "./dist/utilidades.js",
+    "require": "./dist/utilidades.umd.cjs"
   },
   "keywords": [
     "utils"

src/main.js

@@ -20,7 +20,7 @@ import { and, or, xor } from "./logicalOperators.js";
 import { randomColor, randomColor0X, randomRGBAColor, randomRGBColor } from "./randomColor.js";
 import { randomFloat, randomInt, randomNumber } from "./randomNumber.js";
 import { randomString } from "./randomString.js";
-import { randomWalk1D, randomWalk2D, randomWalk3D } from "./randomWalk.js";
+import { randomWalk } from "./randomWalk.js";
 import { reverseString } from "./reverseString.js";
 
 export {
@@ -51,7 +51,7 @@ export {
 	randomColor, randomColor0X, randomRGBColor, randomRGBAColor,
 	randomNumber, randomInt, randomFloat,
 	randomString,
-	randomWalk1D, randomWalk2D, randomWalk3D,
+	randomWalk,
 	reverseString,
 };
 

src/randomWalk.js

@@ -1,55 +1,21 @@
 /**
- * Returns a random value -1 or 1
+ * Perform a random walk in two dimensions.
  * 
- * @see {@link https://pt.wikipedia.org/wiki/Passeio_aleat%C3%B3rio}
- * 
- * @returns {number[]}
- */
-export function randomWalk1D() {
-	return [Math.random() < 0.5 ? -1 : 1];
-}
-
-/**
- * Return a changed random axis (x or y)
- * 
- * @see {@link https://pt.wikipedia.org/wiki/Passeio_aleat%C3%B3rio}
- * 
- * @returns {number[]}
- */
-export function randomWalk2D() {
-	if (Math.random() < 0.5) return [...randomWalk1D(), 0];
-	else return [0, ...randomWalk1D()];
-}
-
-/**
- * Return a changed random axis (x, y or z)
- * 
- * @see {@link https://pt.wikipedia.org/wiki/Passeio_aleat%C3%B3rio}
- * 
- * @returns {number[]}
+ * @param {number} steps - The number of steps to take in the random walk.
+ * @returns {{x: number, y: number}} - The final position after the random walk, with x and y coordinates.
  */
-export function randomWalk3D() {
-	const rdn = Math.random();
-	if (rdn < 0.333) return [...randomWalk1D(), 0, 0];
-	if (rdn < 0.666) return [0, ...randomWalk1D(), 0];
-	else return [0, 0, ...randomWalk1D()];
-}
+export function randomWalk(steps) {
+	let x = 0;
+	let y = 0;
 
+	for (let i = 0; i < steps; i++) {
+		const random = Math.random();
 
-// TODO: Update this function
-export function randomWalk(
-	numberOfAxes = 2,
-	trend = {
-		left: 0.25, right: 0.25,
-		up: 0.25, down: 0.25,
-		front: 0, backward: 0,
-	},
-	bounds = {
-		x: { min: -Infinity, max: Infinity, },
-		y: { min: -Infinity, max: Infinity, },
-		z: { min: -Infinity, max: Infinity, },
-	}) {
-
-	if (numberOfAxes === 3) {
+		if (random < 0.25) x++;
+		else if (random < 0.5) x--;
+		else if (random < 0.75) y++;
+		else y--;
 	}
+
+	return { x, y };
 }

tests/Arrays/choice.test.js

@@ -3,6 +3,7 @@ const { choice } = Arrays;
 
 describe("Arrays/choice.js", () => {
 	let spy;
+
 	beforeEach(() => {
 		spy = vitest.spyOn(global.Math, "random").mockReturnValue(0.1);
 	});