DEV Community


Posted on • Updated on


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


Top comments (0)

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


Read the whole post now!