function getFixerFunction(
			styleType,
			previousItemToken,
			commaToken,
			currentItemToken,
		) {
			const text =
				sourceCode.text.slice(
					previousItemToken.range[1],
					commaToken.range[0],
				) +
				sourceCode.text.slice(
					commaToken.range[1],
					currentItemToken.range[0],
				);
			const range = [
				previousItemToken.range[1],
				currentItemToken.range[0],
			];

			return function (fixer) {
				return fixer.replaceTextRange(
					range,
					getReplacedText(styleType, text),
				);
			};
		}
Determines the fixer function for a given style.
@param {string} styleType comma style
@param {ASTNode} previousItemToken The token to check.
@param {ASTNode} commaToken The token to check.
@param {ASTNode} currentItemToken The token to check.
@returns {Function} Fixer function
@private