@aryth/rand - npm Package Compare versions

Comparing version 0.0.12 to 0.0.13

dist/index.cjs.js

@@ -5,2 +5,3 @@ 'use strict';
 
+var swap = require('@vect/swap');
 var comparer = require('@aryth/comparer');
@@ -56,6 +57,12 @@
 
-const swap = function (i, j) {
-  const temp = this[i];
-  this[i] = this[j];
-  return this[j] = temp;
+const flopGenerator = function* (ar, df) {
+  var _df, _ar;
+
+  let l = ar.length;
+
+  while (--l >= 0) yield swap.swap.call(ar, rand(l), l);
+
+  df = (_df = df) !== null && _df !== void 0 ? _df : (_ar = ar, flop(_ar));
+
+  while (true) yield df;
 };
@@ -67,2 +74,3 @@
  * @param {number} [size] - if omitted, size will be keys.length
+ * @deprecated shuffle under @aryth/rand will be out-of-maintenance soon, please switch to @aryth/shuffle
  * @returns {Array} mutated array
@@ -75,55 +83,10 @@ */
 
-  for (--l; l >= lo; l--) swap.call(ve, l, rand(l));
+  while (--l >= lo) swap.swap.call(ve, l, rand(l));
 
   return lo ? (ve.splice(0, lo), ve) : ve;
 };
-/**
- *
- * 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 shuffleObject = 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 = {};
-
-  for (--l; l >= lo; l--) rs[k = swap.call(keys, rand(l), l)] = o[k];
-
-  return rs;
-};
-
-function indexShuffler(ar) {
-  let length = this.length || ar.length;
-  let size = comparer.min(length, this.size);
-  const vec = Array(size);
-
-  for (let i = 0, set = new Set(), rn; i < size; i++) {
-    do {
-      var _length;
-
-      rn = (_length = length, rand(_length));
-    } while (set.has(rn));
-
-    set.add(rn);
-    vec[i] = rn;
-  }
-
-  return vec;
-}
-const shuffler = function (ar) {
-  return indexShuffler.call(this, ar).map(i => ar[i]);
-};
-const Shuffler = size => shuffler.bind({
-  size
-});
-
-exports.Shuffler = Shuffler;
 exports.flop = flop;
 exports.flopEntry = flopEntry;
+exports.flopGenerator = flopGenerator;
 exports.flopIndex = flopIndex;
@@ -137,2 +100,1 @@ exports.flopKey = flopKey;
 exports.shuffle = shuffle;
-exports.shuffleObject = shuffleObject;

dist/index.esm.js

@@ -1,2 +0,3 @@
-import { max, min } from '@aryth/comparer';
+import { swap } from '@vect/swap';
+import { max } from '@aryth/comparer';
 
@@ -51,6 +52,12 @@ const {
 
-const swap = function (i, j) {
-  const temp = this[i];
-  this[i] = this[j];
-  return this[j] = temp;
+const flopGenerator = function* (ar, df) {
+  var _df, _ar;
+
+  let l = ar.length;
+
+  while (--l >= 0) yield swap.call(ar, rand(l), l);
+
+  df = (_df = df) !== null && _df !== void 0 ? _df : (_ar = ar, flop(_ar));
+
+  while (true) yield df;
 };
@@ -62,2 +69,3 @@
  * @param {number} [size] - if omitted, size will be keys.length
+ * @deprecated shuffle under @aryth/rand will be out-of-maintenance soon, please switch to @aryth/shuffle
  * @returns {Array} mutated array
@@ -70,52 +78,7 @@ */
 
-  for (--l; l >= lo; l--) swap.call(ve, l, rand(l));
+  while (--l >= lo) swap.call(ve, l, rand(l));
 
   return lo ? (ve.splice(0, lo), ve) : ve;
 };
-/**
- *
- * 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 shuffleObject = 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 = {};
-
-  for (--l; l >= lo; l--) rs[k = swap.call(keys, rand(l), l)] = o[k];
-
-  return rs;
-};
-
-function indexShuffler(ar) {
-  let length = this.length || ar.length;
-  let size = min(length, this.size);
-  const vec = Array(size);
-
-  for (let i = 0, set = new Set(), rn; i < size; i++) {
-    do {
-      var _length;
-
-      rn = (_length = length, rand(_length));
-    } while (set.has(rn));
-
-    set.add(rn);
-    vec[i] = rn;
-  }
-
-  return vec;
-}
-const shuffler = function (ar) {
-  return indexShuffler.call(this, ar).map(i => ar[i]);
-};
-const Shuffler = size => shuffler.bind({
-  size
-});
-
-export { Shuffler, flop, flopEntry, flopIndex, flopKey, flopValue, rand, randInt, randIntBetw, randLongStr, shuffle, shuffleObject };
+export { flop, flopEntry, flopGenerator, flopIndex, flopKey, flopValue, rand, randInt, randIntBetw, randLongStr, shuffle };

package.json

 {
   "name": "@aryth/rand",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "description": "A math util library",
@@ -18,3 +18,4 @@ "main": "dist/index.cjs.js",
   "dependencies": {
-    "@aryth/comparer": "^0.0.12"
+    "@aryth/comparer": "^0.0.13",
+    "@vect/swap": "^0.1.12"
   },
@@ -36,3 +37,3 @@ "repository": {
   "homepage": "https://github.com/hoyeungw/aryth#readme",
-  "gitHead": "2c03e9e9a49eb2eff77e5550acbd1d75074cd054"
+  "gitHead": "19efab02effe4edb219c004bb4cbcb6ee2cf4808"
 }

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Worsened metrics

Total package byte prevSize

7897

decreased by-17.14%

Dependency count

2

increased by100%

Lines of code

136

decreased by-33%

Dependency changes

• + Added@vect/swap@^0.1.12

• + Added@aryth/comparer@0.0.13(transitive)

• + Added@vect/swap@0.1.15(transitive)

• - Removed@aryth/comparer@0.0.12(transitive)

• Updated@aryth/comparer@^0.0.13