JSTools Weekly - 2023#5

#javascript #typescript #node #opensource

The latest issues of our weekly newsletter called JSTools Weekly just released.

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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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JSTools Weekly - 2023#5

Top comments (0)

11 Tips That Make You a Better Typescript Programmer

1 Think in {Set}

#2 Understand declared type and narrowed type

#3 Use discriminated union instead of optional fields

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