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One of my favorite libraries demonstrating the builder pattern in practice is spotify-web-api-node.
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InfluxDB
Purpose built for real-time analytics at any scale. InfluxDB Platform is powered by columnar analytics, optimized for cost-efficient storage, and built with open data standards.
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cheerio is a library I still use today that was heavily inspired by the jQuery library, and remains popular today when topics like web scraping come up. It uses chaining to manipulate DOM nodes similarly to jQuery.
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snabbdom
A virtual DOM library with focus on simplicity, modularity, powerful features and performance.
A good repository to learn from this concept is snabbdom, a virtual DOM library that focuses on simplicity, modularity, and powerful features to improve performance when working with the DOM.
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Powerful middlewares were created to squeeze the most of the pattern's advantages such as being able to time travel in the redux devtools extension.
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When I first landed my eyes on the lodash repository to examine how their functions were structured, there were times I asked my self "What is the point of this function being here?" because functions like flowRight import another function just to call the function and return the result.
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babel-handbook
:blue_book: A guided handbook on how to use Babel and how to create plugins for Babel.
I'll be honest, my approach to getting used to working with ASTs is a bit weird, but it worked for me. For some reason the thought of working with the TypeScript AST sounds really attractive to me. I'm sure most people recommend to start deep diving into babel first before getting used to working with an AST with the TypeScript compiler, but I started it the other way around. There is a great library called ts-morph that focuses on making it easier for developers to work with the TypeScript compiler. Learning hands on with ts-morph while getting used to their compiler api made babel much easier to understand without ever touching babel.
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We have actually just seen this technique in the last example, but we can also talk about jQuery that takes advantage of chaining methods together resulting in an easy to read fluent api to work with.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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I'll be honest, my approach to getting used to working with ASTs is a bit weird, but it worked for me. For some reason the thought of working with the TypeScript AST sounds really attractive to me. I'm sure most people recommend to start deep diving into babel first before getting used to working with an AST with the TypeScript compiler, but I started it the other way around. There is a great library called ts-morph that focuses on making it easier for developers to work with the TypeScript compiler. Learning hands on with ts-morph while getting used to their compiler api made babel much easier to understand without ever touching babel.
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The best example demonstrating this pattern is the expressjs library through the concept of route handling.
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immer uses this pattern by returning to us a draft that represents the object you give to the produce function. What it gets from this pattern is immutability which is great for react apps.
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Their core objects like Participant implements this pattern extensively which enable consumers of the api to create an event driven video chat experiences in their apps.
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Visitors are used for many reasons like extensibility, plugins, printing an entire schema somewhere, etc.
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The request library uses this pattern on nearly all of their class objects.
