function stripComments()

in jshint-server/src/server.ts [139:166]

• 18 lines of code
• 6 McCabe index (conditional complexity)

		function stripComments(content: string): string {
			/**
			* First capturing group matches double quoted string
			* Second matches single quotes string
			* Third matches block comments
			* Fourth matches line comments
			*/
			var regexp: RegExp = /("(?:[^\\\"]*(?:\\.)?)*")|('(?:[^\\\']*(?:\\.)?)*')|(\/\*(?:\r?\n|.)*?\*\/)|(\/{2,}.*?(?:(?:\r?\n)|$))/g;
			let result = content.replace(regexp, (match, m1, m2, m3, m4) => {
				// Only one of m1, m2, m3, m4 matches
				if (m3) {
					// A block comment. Replace with nothing
					return "";
				} else if (m4) {
					// A line comment. If it ends in \r?\n then keep it.
					let length = m4.length;
					if (length > 2 && m4[length - 1] === '\n') {
						return m4[length - 2] === '\r' ? '\r\n' : '\n';
					} else {
						return "";
					}
				} else {
					// We match a string
					return match;
				}
			});
			return result;
		}