Update codebase to use const instead of function

Chalarangelo / 30-seconds-of-react

Short React code snippets for all your development needs

https://www.30secondsofcode.org/react/p/1

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Update codebase to use const instead of function #97

Closed Chalarangelo closed 4 years ago

Chalarangelo commented 4 years ago

Currently, all components use function instead of const. We should update the code to use that. Assigning to @Trinityyi as a starter maintenance task.

Additionally:

Convert components that have no side-effects to use implicit returns.
Separate props into individual lines when lines get very long.
Check for missing keys and open issues where appropriate.