function checkWhiteSpace(node) {
			const operator = sourceCode.getFirstToken(node),
				nextToken = sourceCode.getTokenAfter(operator),
				hasWhitespace = sourceCode.isSpaceBetweenTokens(
					operator,
					nextToken,
				);
			let type;

			switch (node.type) {
				case "SpreadElement":
					type = "spread";
					if (node.parent.type === "ObjectExpression") {
						type += " property";
					}
					break;
				case "RestElement":
					type = "rest";
					if (node.parent.type === "ObjectPattern") {
						type += " property";
					}
					break;
				case "ExperimentalSpreadProperty":
					type = "spread property";
					break;
				case "ExperimentalRestProperty":
					type = "rest property";
					break;
				default:
					return;
			}

			if (alwaysSpace && !hasWhitespace) {
				context.report({
					node,
					loc: operator.loc,
					messageId: "expectedWhitespace",
					data: {
						type,
					},
					fix(fixer) {
						return fixer.replaceTextRange(
							[operator.range[1], nextToken.range[0]],
							" ",
						);
					},
				});
			} else if (!alwaysSpace && hasWhitespace) {
				context.report({
					node,
					loc: {
						start: operator.loc.end,
						end: nextToken.loc.start,
					},
					messageId: "unexpectedWhitespace",
					data: {
						type,
					},
					fix(fixer) {
						return fixer.removeRange([
							operator.range[1],
							nextToken.range[0],
						]);
					},
				});
			}
		}
Checks whitespace between rest/spread operators and their expressions
@param {ASTNode} node The node to check
@returns {void}