[In case you don't know, in ECMAScript/JavaScript, variables declared with var have global or function-level scope, and variables declared with let have block-level scope.] Lately all the code ...

Variables declared with const keyword can't be reassigned, while let and var can. I recommend always declaring your variables with const by default, but with let if it is a variable that you need to ...

Motivation const in javascript: ... The svelte/rune-prefer-let rule is aware of which variables are reactive by detecting switch are assigned via a rune. eslint prefer-const rule doesn't see any ...