随笔分类 - Ramda
摘要：Sometimes you just need a subset of an object. In this lesson, we'll cover how you can accomplish this using Ramda's pick and omit functions, as well
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摘要：In this lesson, we'll grab arrays of values from other arrays, resulting in a nested array. From there, we'll look at multiple ways to flatten the arr
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摘要：In this lesson we'll look at how you can use Ramda's unfold function to generate a list of values based on an initial seed. const R = require('ramda')
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摘要：From: To: Example2:
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摘要：Handling your logic with composable functions makes your code declarative, leading to code that's easy to read and easy to test. Breaking that up to w
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摘要：In this lesson we'll take some existing code and refactor it using some functions from the Ramda library, most notably, compose and converge. When we'
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摘要：When doing comparisons inside of functions, you end of relying heavily on the argument passed into the function. Ramda's converge allows you to do com
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摘要：You can really unlock the power of ramda (and functional programming in general) when you combine functions. Counting words in a string may seem like
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摘要：In this lesson we'll use a handful of Ramda's utility functions to take a queryString full of name/value pairs and covert it into a JavaScript object
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摘要：We don't always control the data we need in our applications, and that means we often find ourselves massaging and transforming our data. In this less
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摘要：Most of the functions offered by the ramda library are curried by default. Functions you've created or that you've pulled in from another library may
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摘要：const curry = R.curry((fns, ary) => R.ap(fns, ary)); const applyMultiAndAdd = curry([R.multiply(2), R.add(3)]); const res = applyMultiAndAdd([1,2,3]); console.log(res); //[2, 4, 6, 4, 5, 6] const...
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摘要：const needs = ['wifi', 'shower', 'laundry']; const homes = [{ name: 'Home 1', wifi: 'y', shower: 'y', laundry: 'y', metro: 'n', balcony: 'y', fireplace: 'n', pool: 'y' }, { name: '...
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摘要：When you want to build your logic with small, composable functions you need a functional way to handle conditional logic. You could wrap ternary expre
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摘要：Getter on Object: 1. prop: 2. props: Setter ob Object: Another way to use Lens:
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摘要：Sometimes you need to filter an array of objects or perform other conditional logic based on a combination of factors. Ramda's where function gives yo
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摘要：Pluck: Get one prop from the object array: Props:
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摘要：Take a function as arguement, and the function only return true of false. If the function 'f' return ture, when complement(f) will return false. var i
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摘要：We'll learn how to get a subset of an array by specifying items to include with filter, or items to exclude using reject. We'll also look at how to ge
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摘要：Using R.tap:
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