filter-map - npm Package Compare versions

Comparing version 3.0.0 to 3.1.0

index.js

		'use strict'

		const filter = require('filter-iterator')
		const pf = require('possible-function')
		const {entries, reconstruct} = require('m-o')
		const filterIterable = require('filter-iter')
		const isPlainObject = require('is-plain-object')
		const PossibleFunction = require('possible-function')

		module.exports = (map, test) => new (map.constructor)(filter(map.entries(), e => pf(test, (k, v) => !!v)(...e)))
		module.exports = (map, test, options) => {
		if (isPlainObject(test) && !isPlainObject(options)) options = test
		test = PossibleFunction(test, (k, v) => !!v)
		return reconstruct(map, filterIterable(entries(map), entry => test(...entry), options))
		}

package.json

		{
		"name": "filter-map",
		"version": "3.0.0",
		"version": "3.1.0",
		"description": "Returns a copy of a Map object containing only those entries which pass a test function.",
		@@ -19,3 +19,5 @@ "keywords": [
		"dependencies": {
		"filter-iterator": "0.0.1",
		"filter-iter": "^1.0.0",
		"is-plain-object": "^2.0.4",
		"m-o": "^2.1.0",
		"possible-function": "^1.0.1"
		@@ -22,0 +24,0 @@ },

readme.md

		# filter-map

		Returns a copy of a [Map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) object containing only those entries which pass a test function.
		Returns a copy of a [Map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) or Object containing only those entries which pass a test function.

		Supports a numeric limit on the number of entries in the resulting Map or Object.

		## Installation
		@@ -15,5 +17,10 @@
		const filterMap = require('filter-map')

		const map = new Map([['a', 1], ['b', 2], ['c', 3]])
		const filteredMap = filterMap(map, (key, value) => value > 1)
		filteredMap.size // 2

		// Works on objects too
		const obj = {a: 1, b: 2, c: 3}
		filterMap(obj, (key, value) => value > 1) // {b: 2, c: 3}
		```
		@@ -25,4 +32,15 @@
		const filterMap = require('filter-map')

		const map = new Map([[1, true], [2, false], [3, true]])
		filterMap(map).size // 2

		filterMap({1: true, 2: false, 3: true}) // {1: true, 3: true}
		```

		If you only want a certain number of entries in the filtered Map or Object, you can specify a numeric limit parameter:

		```javascript
		const obj = {a: 0, b: 1, c: 2, d: 3}
		filterMap(obj, (k, v) => v > 1, {limit: 1}) // {c: 2}
		filterMap(obj, {limit: 1}) // {b: 1}
		```

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