useWhile (since v1.0.0)
Diagnostic Category: lint/style/useWhile
Sources:
- Same as:
sonarjs/prefer-while
Enforce the use of while loops instead of for loops when the initializer and update expressions are not needed.
Examples
Section titled ExamplesInvalid
Section titled Invalidfor (; x.running;) { x.step();}code-block.js:1:1 lint/style/useWhile FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Use a while loop instead of a for loop.
> 1 │ for (; x.running;) {
│ ^^^^^^^^^^^^^^^^^^
2 │ x.step();
3 │ }
ℹ Prefer a while loop over a for loop without initialization and update.
ℹ Safe fix: Use a while loop.
1 │ - for·(;·x.running;)·{
1 │ + while·(x.running)·{
2 2 │ x.step();
3 3 │ }
Valid
Section titled Validfor(let x = 0; x < 10; i++) {}let x = 0for(; x < 10; i++) {}for(let x = 0; x < 10;) { i++}