absurdum - npm Package Compare versions

Comparing version 0.32.2 to 0.33.0

dist/absurdum.cjs.js

@@ -264,2 +264,30 @@ 'use strict';
 /**
+ * FindIndex method returns the value of First element at which a provided function is true,
+ * or -1 if no elements in the array satisfy the function.
+ *
+ * @param {Array} array input array
+ * @param {Function} predicate to be run against each element of the array
+ * @param {*} [thisArg=undefined]
+ * @returns {*} value of element that satisfied function.
+ * @example
+ * const result = arrays.findIndex([5, 12, 8, 130, 44], (x) => x < 10);
+ * console.log(result);
+ * > 0
+ * @example
+ * const result = arrays.findIndex([5, 174, 8, 130, 44], function(x) { return x > this }, 100);
+ * console.log(result);
+ * > 1
+ */
+function findIndex (array, predicate, thisArg = undefined) {
+  if (array.length === 0) return -1;
+  if (this == null) { throw TypeError('"this" is null or not defined'); }
+  if (typeof predicate !== 'function') { throw TypeError('predicate must be a function'); }
+
+  return array.reduce((res, cur, i) => {
+    if (res < 0 && predicate.call(thisArg, cur)) return i;
+    return res;
+  }, -1);
+}
+
+/**
  * FindLastIndex method returns the value of Last element at which a provided function is true,
@@ -550,2 +578,3 @@ * or undefined if no elements in the array satisfy the function.
   find: find,
+  findIndex: findIndex,
   findLastIndex: findLastIndex,
@@ -552,0 +581,0 @@ flat: flat,

dist/absurdum.esm.js

@@ -260,2 +260,30 @@ /**
 /**
+ * FindIndex method returns the value of First element at which a provided function is true,
+ * or -1 if no elements in the array satisfy the function.
+ *
+ * @param {Array} array input array
+ * @param {Function} predicate to be run against each element of the array
+ * @param {*} [thisArg=undefined]
+ * @returns {*} value of element that satisfied function.
+ * @example
+ * const result = arrays.findIndex([5, 12, 8, 130, 44], (x) => x < 10);
+ * console.log(result);
+ * > 0
+ * @example
+ * const result = arrays.findIndex([5, 174, 8, 130, 44], function(x) { return x > this }, 100);
+ * console.log(result);
+ * > 1
+ */
+function findIndex (array, predicate, thisArg = undefined) {
+  if (array.length === 0) return -1;
+  if (this == null) { throw TypeError('"this" is null or not defined'); }
+  if (typeof predicate !== 'function') { throw TypeError('predicate must be a function'); }
+
+  return array.reduce((res, cur, i) => {
+    if (res < 0 && predicate.call(thisArg, cur)) return i;
+    return res;
+  }, -1);
+}
+
+/**
  * FindLastIndex method returns the value of Last element at which a provided function is true,
@@ -546,2 +574,3 @@ * or undefined if no elements in the array satisfy the function.
   find: find,
+  findIndex: findIndex,
   findLastIndex: findLastIndex,
@@ -548,0 +577,0 @@ flat: flat,

package.json

 {
   "name": "absurdum",
-  "version": "0.32.2",
+  "version": "0.33.0",
   "description": "Reductio Ad Absurdum - The Ridiculous Application of Reduce",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -59,2 +59,3 @@ [![GitHub Releases](https://img.shields.io/github/release/vanillaes/absurdum.svg)](https://github.com/vanillaes/absurdum/releases)
 - [find][arrays.find]
+- [findIndex][arrays.findIndex]
 - [findLastIndex][arrays.findLastIndex]
@@ -82,2 +83,3 @@ - [flat][arrays.flat]
 [arrays.find]: ./docs/arrays/find.md
+[arrays.findIndex]: ./docs/arrays/findIndex.md
 [arrays.findLastIndex]: ./docs/arrays/findLastIndex.md
@@ -84,0 +86,0 @@ [arrays.flat]: ./docs/arrays/flat.md

src/arrays/index.d.ts

@@ -11,2 +11,3 @@ export { chunk } from "./chunk.js";
 export { find } from "./find.js";
+export { findIndex } from "./findIndex.js";
 export { findLastIndex } from "./findLastIndex.js";
@@ -13,0 +14,0 @@ export { flat } from "./flat.js";

src/arrays/index.js

@@ -11,2 +11,3 @@ export { chunk } from './chunk.js';
 export { find } from './find.js';
+export { findIndex } from './findIndex.js';
 export { findLastIndex } from './findLastIndex.js';
@@ -13,0 +14,0 @@ export { flat } from './flat.js';

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Improved metrics

Total package byte prevSize

121088

increased by4.06%

Number of package files

106

increased by2.91%

Lines of code

3052

increased by3.42%

Number of lines in readme file

128

increased by1.59%

No dependency changes