tarry - npm Package Compare versions

Comparing version 0.3.1 to 0.3.2

index.d.ts

@@ -213,1 +213,6 @@ /**
 export declare function groupSequential<T>(items: T[], areEqual?: (a: T, b: T) => boolean): T[][];
+/**
+Shuffle the array {xs} in-place, using the Durstenfeld variation on the
+Fisher-Yates algorithm.
+*/
+export declare function shuffle<T>(xs: T[]): T[];

index.js

@@ -397,1 +397,19 @@ "use strict";
 exports.groupSequential = groupSequential;
+/**
+Shuffle the array {xs} in-place, using the Durstenfeld variation on the
+Fisher-Yates algorithm.
+*/
+function shuffle(xs) {
+    var n = xs.length;
+    var last = n - 1;
+    for (var i = 0; i < last; i++) {
+        // generate integer j such that 0 ≤ j < (n - i)
+        var j = Math.random() * (n - i) | 0;
+        // exchange xs[i] and xs[j]
+        var xs_i = xs[i];
+        xs[i] = xs[j];
+        xs[j] = xs_i;
+    }
+    return xs;
+}
+exports.shuffle = shuffle;

package.json

 {
   "name": "tarry",
-  "version": "0.3.1",
+  "version": "0.3.2",
   "description": "Utility library for manipulating JavaScript Arrays",
@@ -5,0 +5,0 @@ "keywords": [

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Total package byte prevSize

19019

increased by3.38%

Lines of code

552

increased by4.35%

No dependency changes