restrict-plus-operands
)Examples of correct code:
var foo = parseInt('5.5', 10) + 10; var foo = 1n + 1n;
Examples of incorrect code:
var foo = '5.5' + 5; var foo = 1n + 1;
This rule has an object option:
"checkCompoundAssignments": false
: (default) does not check compound assignments (+=
)"checkCompoundAssignments": true
checkCompoundAssignments
Examples of incorrect code for the { "checkCompoundAssignments": true }
option:
/*eslint @typescript-eslint/restrict-plus-operands: ["error", { "checkCompoundAssignments": true }]*/ let foo: string | undefined; foo += 'some data'; let bar: string = ''; bar += 0;
Examples of correct code for the { "checkCompoundAssignments": true }
option:
/*eslint @typescript-eslint/restrict-plus-operands: ["error", { "checkCompoundAssignments": true }]*/ let foo: number = 0; foo += 1; let bar = ''; bar += 'test';
{ "@typescript-eslint/restrict-plus-operands": "error" }