noMisrefactoredShorthandAssign
Summary
Section titled Summary- Rule available since:
v1.3.0 - Diagnostic Category:
lint/suspicious/noMisrefactoredShorthandAssign - This rule is recommended, which means is enabled by default.
- This rule has an unsafe fix.
- The default severity of this rule is error.
- Sources:
- Same as
misrefactored_assign_op
- Same as
Description
Section titled DescriptionDisallow shorthand assign when variable appears on both sides.
This rule helps to avoid potential bugs related to incorrect assignments or unintended side effects that may occur during refactoring.
Examples
Section titled ExamplesInvalid
Section titled Invalida += a + bcode-block.js:1:1 lint/suspicious/noMisrefactoredShorthandAssign FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Variable appears on both sides of an assignment operation.
> 1 │ a += a + b
│ ^^^^^^^^^^
2 │
ℹ This assignment might be the result of a wrong refactoring.
ℹ Unsafe fix: Use a += b instead.
1 │ a·+=·a·+·b
│ ----
a -= a - bcode-block.js:1:1 lint/suspicious/noMisrefactoredShorthandAssign FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Variable appears on both sides of an assignment operation.
> 1 │ a -= a - b
│ ^^^^^^^^^^
2 │
ℹ This assignment might be the result of a wrong refactoring.
ℹ Unsafe fix: Use a -= b instead.
1 │ a·-=·a·-·b
│ ----
a *= a * bcode-block.js:1:1 lint/suspicious/noMisrefactoredShorthandAssign FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Variable appears on both sides of an assignment operation.
> 1 │ a *= a * b
│ ^^^^^^^^^^
2 │
ℹ This assignment might be the result of a wrong refactoring.
ℹ Unsafe fix: Use a *= b instead.
1 │ a·*=·a·*·b
│ ----
Valid
Section titled Valida += ba = a + ba = a - bHow to configure
Section titled How to configure{ "linter": { "rules": { "suspicious": { "noMisrefactoredShorthandAssign": "error" } } }}