function checkVar(node) {
			const leftNode = node.id.typeAnnotation
				? node.id.typeAnnotation
				: node.id;
			const rightNode = node.init;

			if (rightNode) {
				const nonSpacedNode = getFirstNonSpacedToken(
					leftNode,
					rightNode,
					"=",
				);

				if (nonSpacedNode) {
					report(node, nonSpacedNode);
				}
			}
		}
Check if the node is a variable
@param {ASTNode} node node to evaluate
@returns {void}
@private