React Tldr; Typescript: Working with Paths, Packages and Yarn Workspaces

#typescript #react #workspaces

Typescript path aliases are useful for shortening import statements and reaching modules from deep nested components.
Deploying your own Typescript packages is an effective means of reusing your code and decreasing the size of your final projects.
Where projects require multiple packages, yarn workspaces can be leveraged, and used in conjunction with a dedicated tool called Lerna.

Source:https://medium.com/@rossbulat/typescript-working-with-paths-packages-and-yarn-workspaces-6fbc7087b325

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11 Tips That Make You a Better Typescript Programmer

1 Think in {Set}

Type is an everyday concept to programmers, but it’s surprisingly difficult to define it succinctly. I find it helpful to use Set as a conceptual model instead.

#2 Understand declared type and narrowed type

One extremely powerful typescript feature is automatic type narrowing based on control flow. This means a variable has two types associated with it at any specific point of code location: a declaration type and a narrowed type.

#3 Use discriminated union instead of optional fields

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