basant307/AI_Governance_Project

1'use strict';2const singleComment = Symbol('singleComment');3const multiComment = Symbol('multiComment');4const stripWithoutWhitespace = () => '';5const stripWithWhitespace = (string, start, end) => string.slice(start, end).replace(/\S/g, ' ');6 7const isEscaped = (jsonString, quotePosition) => {8	let index = quotePosition - 1;9	let backslashCount = 0;10 11	while (jsonString[index] === '\\') {12		index -= 1;13		backslashCount += 1;14	}15 16	return Boolean(backslashCount % 2);17};18 19module.exports = (jsonString, options = {}) => {20	if (typeof jsonString !== 'string') {21		throw new TypeError(`Expected argument \`jsonString\` to be a \`string\`, got \`${typeof jsonString}\``);22	}23 24	const strip = options.whitespace === false ? stripWithoutWhitespace : stripWithWhitespace;25 26	let insideString = false;27	let insideComment = false;28	let offset = 0;29	let result = '';30 31	for (let i = 0; i < jsonString.length; i++) {32		const currentCharacter = jsonString[i];33		const nextCharacter = jsonString[i + 1];34 35		if (!insideComment && currentCharacter === '"') {36			const escaped = isEscaped(jsonString, i);37			if (!escaped) {38				insideString = !insideString;39			}40		}41 42		if (insideString) {43			continue;44		}45 46		if (!insideComment && currentCharacter + nextCharacter === '//') {47			result += jsonString.slice(offset, i);48			offset = i;49			insideComment = singleComment;50			i++;51		} else if (insideComment === singleComment && currentCharacter + nextCharacter === '\r\n') {52			i++;53			insideComment = false;54			result += strip(jsonString, offset, i);55			offset = i;56			continue;57		} else if (insideComment === singleComment && currentCharacter === '\n') {58			insideComment = false;59			result += strip(jsonString, offset, i);60			offset = i;61		} else if (!insideComment && currentCharacter + nextCharacter === '/*') {62			result += jsonString.slice(offset, i);63			offset = i;64			insideComment = multiComment;65			i++;66			continue;67		} else if (insideComment === multiComment && currentCharacter + nextCharacter === '*/') {68			i++;69			insideComment = false;70			result += strip(jsonString, offset, i + 1);71			offset = i + 1;72			continue;73		}74	}75 76	return result + (insideComment ? strip(jsonString.slice(offset)) : jsonString.slice(offset));77};78