@vect/object-select - npm Package Compare versions

Comparing version 0.1.15 to 0.1.16

dist/index.cjs.js

@@ -7,2 +7,3 @@ 'use strict';
 var comparer = require('@aryth/comparer');
+var swap = require('@vect/swap');
 var vectorMapper = require('@vect/vector-mapper');
@@ -32,3 +33,24 @@
  *
+ * Object keys can be set via 'this.keys'
+ * Default keys are Object.keys(o), the enumerable list of o's keys.
  * @param {Object} o
+ * @param {number} [size] - if omitted, size will be keys.length
+ * @returns {Object} new object
+ */
+
+const shuffle = function (o, size) {
+  const keys = (this === null || this === void 0 ? void 0 : this.keys) || Object.keys(o);
+  let l = keys.length,
+      k;
+  const lo = comparer.max(0, l - (size !== null && size !== void 0 ? size : l)),
+        rs = {};
+
+  while (--l >= lo) rs[k = swap.swap.call(keys, rand.rand(l), l)] = o[k];
+
+  return rs;
+};
+
+/**
+ *
+ * @param {Object} o
  * @param {*[]} keys
@@ -89,1 +111,2 @@ */
 exports.selectValues = selectValues;
+exports.shuffle = shuffle;

dist/index.esm.js

 import { rand } from '@aryth/rand';
 import { max, min } from '@aryth/comparer';
+import { swap } from '@vect/swap';
 import { iterate } from '@vect/vector-mapper';
@@ -27,3 +28,24 @@
  *
+ * Object keys can be set via 'this.keys'
+ * Default keys are Object.keys(o), the enumerable list of o's keys.
  * @param {Object} o
+ * @param {number} [size] - if omitted, size will be keys.length
+ * @returns {Object} new object
+ */
+
+const shuffle = function (o, size) {
+  const keys = (this === null || this === void 0 ? void 0 : this.keys) || Object.keys(o);
+  let l = keys.length,
+      k;
+  const lo = max(0, l - (size !== null && size !== void 0 ? size : l)),
+        rs = {};
+
+  while (--l >= lo) rs[k = swap.call(keys, rand(l), l)] = o[k];
+
+  return rs;
+};
+
+/**
+ *
+ * @param {Object} o
  * @param {*[]} keys
@@ -80,2 +102,2 @@ */
 
-export { leap, lookupKeys, select, selectValues };
+export { leap, lookupKeys, select, selectValues, shuffle };

package.json

 {
   "name": "@vect/object-select",
-  "version": "0.1.15",
+  "version": "0.1.16",
   "description": "Select from object/array",
@@ -21,3 +21,3 @@ "main": "dist/index.cjs.js",
     "@vect/swap": "^0.1.15",
-    "@vect/vector-mapper": "^0.1.15"
+    "@vect/vector-mapper": "^0.1.16"
   },
@@ -39,3 +39,3 @@ "repository": {
   "homepage": "https://github.com/hoyeungw/vect#readme",
-  "gitHead": "1b843fe2db07f22e9c8dd7ab2a2b28497c6a964c"
+  "gitHead": "2f47b07e41f3c477c3cd4df76d8af789faa0c5b9"
 }

No alert changes

Improved metrics

Total package byte prevSize

8681

increased by17.11%

Lines of code

170

increased by27.82%

Dependency changes

• Updated@vect/vector-mapper@^0.1.16