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Lerna vs Underscore: What are the differences?
Developers describe Lerna as "A tool for managing JavaScript projects". It is a popular and widely used package written in JavaScript. It optimizes the workflow around managing multi-package repositories with git and npm. On the other hand, Underscore is detailed as "JavaScript's utility _ belt". A JavaScript library that provides a whole mess of useful functional programming helpers without extending any built-in objects.
Lerna and Underscore can be primarily classified as "Javascript Utilities & Libraries" tools.
Lerna and Underscore are both open source tools. Underscore with 24.7K GitHub stars and 5.41K forks on GitHub appears to be more popular than Lerna with 18.2K GitHub stars and 1.15K GitHub forks.
According to the StackShare community, Underscore has a broader approval, being mentioned in 1173 company stacks & 457 developers stacks; compared to Lerna, which is listed in 17 company stacks and 10 developer stacks.
Fast Healthcare Interoperability Resources (FHIR) provides standard data objects in JSON format for the healthcare industry. Since JSON objects are hierarchical and tree-like, we had a need to defensively 'pluck' fields from our JSON objects and do lots of mapping. We tried jQuery and Underscore and a few other technologies like FHIRPath; but Lodash has been the most well supported, works in the most contexts, has the cleanest syntax, etc. We particularly like the ES6 version of Lodash, where we can import the method names directly, without resorting to * or _ syntax. We got hooked on the 'get' function to defensively pluck fields from objects without crashing our user interface, and have found countless uses for the other lodash functions throughout our apps.
Lodash is great for developing and optimizing algorithms.
Pros of Lerna
Pros of Underscore
- Utility85
- Simple55
- Functional programming40
- Fast32
- Open source28
- Backbone20
- Javascript16
- Annotated source code8
- Library6
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