lib/rules/operator-assignment.js
function getOperatorToken(node) {
            return sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
        }
function getOperatorToken(node) {
            return sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
        }
function getOperatorToken ( node ) { return sourceCode . getFirstTokenBetween ( node . left , node . right , token => token . value === node . operator ) ; }
Returns the operator token of an AssignmentExpression or BinaryExpression
@param {ASTNode} node An AssignmentExpression or BinaryExpression node
@returns {Token} The operator token in the node
Returns the operator token of an AssignmentExpression or BinaryExpression