absurdum - npm Package Compare versions

Comparing version 0.47.0 to 0.48.0

dist/absurdum.esm.js

@@ -358,2 +358,21 @@ /**
 /**
+ * Frequency returns an object mapping each unique item in an array
+ * to the number of items it occurs in the array.
+ *
+ * @param {Array} array input array
+ * @returns {Object} Object of uniq values and the frequency of occurrence
+ *
+ * @example
+ * const result = arrays.frequency(['a', 'b', 'a', 'c', 'a', 'c', 'b']);
+ * console.log(result)
+ * > { a: 3, b: 2, c: 2 }
+ */
+function frequency (array) {
+  return array.reduce((acc, curr) => {
+    acc[curr] = acc[curr] ? ++acc[curr] : 1;
+    return acc;
+  }, {});
+}
+
+/**
  * FromPairs takes an array of arrays with key-value pairs and returns an
@@ -770,2 +789,3 @@ * object composed from key-value pairs.
   flatten: flatten,
+  frequency: frequency,
   fromPairs: fromPairs,
@@ -772,0 +792,0 @@ indexOf: indexOf,

package.json

 {
   "name": "absurdum",
-  "version": "0.47.0",
+  "version": "0.48.0",
   "description": "Reductio Ad Absurdum - The Ridiculous Application of Reduce",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -63,2 +63,3 @@ [![GitHub Releases](https://img.shields.io/github/release/vanillaes/absurdum.svg)](https://github.com/vanillaes/absurdum/releases)
 - [flatten][arrays.flatten]
+- [frequency][arrays.frequency]
 - [fromPairs][arrays.fromPairs]
@@ -96,2 +97,3 @@ - [indexOf][arrays.indexOf]
 [arrays.flatten]: ./docs/arrays/flatten.md
+[arrays.frequency]: ./docs/arrays/frequency.md
 [arrays.fromPairs]: ./docs/arrays/fromPairs.md
@@ -98,0 +100,0 @@ [arrays.indexOf]: ./docs/arrays/indexOf.md

src/arrays/index.d.ts

@@ -15,2 +15,3 @@ export { chunk } from "./chunk.js";
 export { flatten } from "./flatten.js";
+export { frequency } from "./frequency.js";
 export { fromPairs } from "./fromPairs.js";
@@ -17,0 +18,0 @@ export { indexOf } from "./indexOf.js";

src/arrays/index.js

@@ -15,2 +15,3 @@ export { chunk } from './chunk.js';
 export { flatten } from './flatten.js';
+export { frequency } from './frequency.js';
 export { fromPairs } from './fromPairs.js';
@@ -17,0 +18,0 @@ export { indexOf } from './indexOf.js';

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Improved metrics

Total package byte prevSize

170064

increased by1.67%

Number of package files

148

increased by2.07%

Lines of code

4297

increased by1.7%

Number of lines in readme file

156

increased by1.3%

No dependency changes