useSingleCaseStatement (since v0.7.0)
Enforces case clauses have a single statement, emits a quick fix wrapping the statements in a block
Examples
Invalid
switch (foo) {
case true:
case false:
let foo = '';
foo;
}style/useSingleCaseStatement.js:4:9 lint/style/useSingleCaseStatement FIXABLE ━━━━━━━━━━━━━━━━━━━━
⚠ A switch case should only have a single statement. If you want more, then wrap it in a block.
2 │ case true:
3 │ case false:
> 4 │ let foo = '';
│ ^^^^^^^^^^^^^
> 5 │ foo;
│ ^^^^
6 │ }
7 │
ℹ Suggested fix: Wrap the statements in a block
1 1 │ switch (foo) {
2 2 │ case true:
3 │ - ····case·false:
3 │ + ····case·false:·{
4 4 │ let foo = '';
5 5 │ foo;
6 │ + ····}
6 7 │ }
7 8 │
Valid
switch (foo) {
case true:
case false: {
let foo = '';
foo;
}
}