lodash.defaults
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Package description
The lodash.defaults npm package is a utility that allows for the assignment of default values to properties in an object. It is particularly useful when you want to ensure that an object contains certain properties with default values if those properties are not already defined. This can be very handy in configuration objects, options for functions, or any scenario where you want to merge an object with a set of defaults.
Assigning default values to an object
This feature allows you to assign default values from the source object to the destination object for all properties that are undefined in the destination object. In the code sample, the result will have the properties of the object with 'a' remaining as 1 (since it's already defined) and 'b' being set to 2 from the source object since 'b' is not defined in the destination object.
{"const defaults = require('lodash.defaults');\nconst object = { 'a': 1 };\nconst source = { 'a': 3, 'b': 2 };\nconst result = defaults(object, source);\nconsole.log(result); // => { 'a': 1, 'b': 2 }"}The object-assign package is used to copy the values of all enumerable own properties from one or more source objects to a target object. It is similar to lodash.defaults but does not check if the property is undefined in the target object; it simply overwrites the properties. This makes it less suitable for default assignments but useful for merging objects.
deep-extend is an npm package that allows for the deep (recursive) merging of objects. Unlike lodash.defaults, which only assigns undefined properties, deep-extend can merge nested objects, making it more suitable for complex object structures where you need to merge deep properties. However, it does not specifically focus on assigning default values.
Readme
The lodash method _.defaults exported as a Node.js module.
Using npm:
$ {sudo -H} npm i -g npm
$ npm i --save lodash.defaults
In Node.js:
var defaults = require('lodash.defaults');
See the documentation or package source for more details.
FAQs
The lodash method `_.defaults` exported as a module.
The npm package lodash.defaults receives a total of 7,083,341 weekly downloads. As such, lodash.defaults popularity was classified as popular.
We found that lodash.defaults demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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