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lodash.has
Advanced tools
The lodash.has package is a method from the Lodash library, which is a popular JavaScript utility library. This specific method is used to check if a path exists as a property in a given object, which can be deeply nested. It helps in safely checking for the existence of a property without manually traversing the properties and handling errors.
Check existence of a property
This feature allows you to check whether a specific path exists within an object. It returns true if the path exists, otherwise false. This is useful for avoiding errors when accessing deeply nested properties.
const _ = require('lodash.has');
const object = { 'a': { 'b': { 'c': 3 } } };
console.log(_.has(object, 'a.b.c')); // => true
console.log(_.has(object, 'a.b.c.d')); // => false
object-path is a package that provides a similar functionality to lodash.has, allowing access to nested object properties via a path. It also offers additional methods for setting and deleting properties. Compared to lodash.has, object-path provides a more comprehensive solution for handling object paths.
dot-prop is another npm package that allows you to get, set, or delete properties from a nested object using a dot path. While lodash.has only checks for the existence of a path, dot-prop extends this by allowing modifications to the object, making it more versatile.
The modern build of lodash’s _.has
exported as a Node.js/io.js module.
Using npm:
$ {sudo -H} npm i -g npm
$ npm i --save lodash.has
In Node.js/io.js:
var has = require('lodash.has');
See the documentation or package source for more details.
FAQs
The lodash method `_.has` exported as a module.
The npm package lodash.has receives a total of 1,064,542 weekly downloads. As such, lodash.has popularity was classified as popular.
We found that lodash.has 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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