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Düzenlenen Dosya: jsesc.js

'use strict';

const extend = (destination, source) => {
	if (!source) {
		return destination;
	}
	forOwn(source, (key, value) => {
		destination[key] = value;
	});
	return destination;
};

const forEach = (array, callback) => {
	const length = array.length;
	let index = -1;
	while (++index < length) {
		callback(array[index]);
	}
};

const fourHexEscape = (hex) => {
	return '\\u' + ('0000' + hex).slice(-4);
}

const hexadecimal = (code, lowercase) => {
	let hexadecimal = code.toString(16);
	if (lowercase) return hexadecimal;
	return hexadecimal.toUpperCase();
};

/*--------------------------------------------------------------------------*/

// https://mathiasbynens.be/notes/javascript-escapes#single
const singleEscapes = {
	'\\': '\\\\',
	'\b': '\\b',
	'\f': '\\f',
	'\n': '\\n',
	'\r': '\\r',
	'\t': '\\t'
	// `\v` is omitted intentionally, because in IE < 9, '\v' == 'v'.
	// '\v': '\\x0B'
};
const regexSingleEscape = /[\\\b\f\n\r\t]/;

const regexDigit = /[0-9]/;
const regexWhitespace = /[\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000]/;

const escapeEverythingRegex = /([\uD800-\uDBFF][\uDC00-\uDFFF])|([\uD800-\uDFFF])|(['"`])|[^]/g;
const escapeNonAsciiRegex = /([\uD800-\uDBFF][\uDC00-\uDFFF])|([\uD800-\uDFFF])|(['"`])|[^ !#-&\(-\[\]-_a-~]/g;

if (json && argument && isFunction(argument.toJSON)) {
		argument = argument.toJSON();
	}

if (!isString(argument)) {
		if (isMap(argument)) {
			if (argument.size == 0) {
				return 'new Map()';
			}
			if (!compact) {
				options.__inline1__ = true;
				options.__inline2__ = false;
			}
			return 'new Map(' + jsesc(Array.from(argument), options) + ')';
		}
		if (isSet(argument)) {
			if (argument.size == 0) {
				return 'new Set()';
			}
			return 'new Set(' + jsesc(Array.from(argument), options) + ')';
		}
		if (isBuffer(argument)) {
			if (argument.length == 0) {
				return 'Buffer.from([])';
			}
			return 'Buffer.from(' + jsesc(Array.from(argument), options) + ')';
		}
		if (isArray(argument)) {
			result = [];
			options.wrap = true;
			if (inline1) {
				options.__inline1__ = false;
				options.__inline2__ = true;
			}
			if (!inline2) {
				increaseIndentation();
			}
			forEach(argument, (value) => {
				isEmpty = false;
				if (inline2) {
					options.__inline2__ = false;
				}
				result.push(
					(compact || inline2 ? '' : indent) +
					jsesc(value, options)
				);
			});
			if (isEmpty) {
				return '[]';
			}
			if (inline2) {
				return '[' + result.join(', ') + ']';
			}
			return '[' + newLine + result.join(',' + newLine) + newLine +
				(compact ? '' : oldIndent) + ']';
		} else if (isNumber(argument) || isBigInt(argument)) {
			if (json) {
				// Some number values (e.g. `Infinity`) cannot be represented in JSON.
				// `BigInt` values less than `-Number.MAX_VALUE` or greater than
        // `Number.MAX_VALUE` cannot be represented in JSON so they will become
        // `-Infinity` or `Infinity`, respectively, and then become `null` when
        // stringified.
				return JSON.stringify(Number(argument));
			}

let result;
			if (useDecNumbers) {
				result = String(argument);
			} else if (useHexNumbers) {
				let hexadecimal = argument.toString(16);
				if (!lowercaseHex) {
					hexadecimal = hexadecimal.toUpperCase();
				}
				result = '0x' + hexadecimal;
			} else if (useBinNumbers) {
				result = '0b' + argument.toString(2);
			} else if (useOctNumbers) {
				result = '0o' + argument.toString(8);
			}

if (isBigInt(argument)) {
        return result + 'n';
      }
      return result;
		} else if (isBigInt(argument)) {
			if (json) {
				// `BigInt` values less than `-Number.MAX_VALUE` or greater than
        // `Number.MAX_VALUE` will become `-Infinity` or `Infinity`,
        // respectively, and cannot be represented in JSON.
				return JSON.stringify(Number(argument));
			}
      return argument + 'n';
    } else if (!isObject(argument)) {
			if (json) {
				// For some values (e.g. `undefined`, `function` objects),
				// `JSON.stringify(value)` returns `undefined` (which isn’t valid
				// JSON) instead of `'null'`.
				return JSON.stringify(argument) || 'null';
			}
			return String(argument);
		} else { // it’s an object
			result = [];
			options.wrap = true;
			increaseIndentation();
			forOwn(argument, (key, value) => {
				isEmpty = false;
				result.push(
					(compact ? '' : indent) +
					jsesc(key, options) + ':' +
					(compact ? '' : ' ') +
					jsesc(value, options)
				);
			});
			if (isEmpty) {
				return '{}';
			}
			return '{' + newLine + result.join(',' + newLine) + newLine +
				(compact ? '' : oldIndent) + '}';
		}
	}

if (lone) {
			return fourHexEscape(hexadecimal(lone.charCodeAt(0), lowercaseHex));
		}

if (
			char == '\0' &&
			!json &&
			!regexDigit.test(string.charAt(index + 1))
		) {
			return '\\0';
		}

if (quoteChar) {
			if (quoteChar == quote || options.escapeEverything) {
				return '\\' + quoteChar;
			}
			return quoteChar;
		}

if (regexSingleEscape.test(char)) {
			// no need for a `hasOwnProperty` check here
			return singleEscapes[char];
		}

if (options.minimal && !regexWhitespace.test(char)) {
			return char;
		}

const hex = hexadecimal(char.charCodeAt(0), lowercaseHex);
		if (json || hex.length > 2) {
			return fourHexEscape(hex);
		}

return '\\x' + ('00' + hex).slice(-2);
	});

if (quote == '`') {
		result = result.replace(/\$\{/g, '\\${');
	}
	if (options.isScriptContext) {
		// https://mathiasbynens.be/notes/etago
		result = result
			.replace(/<\/(script|style)/gi, '<\\/$1')
			.replace(/<!--/g, json ? '\\u003C!--' : '\\x3C!--');
	}
	if (options.wrap) {
		result = quote + result + quote;
	}
	return result;
};

jsesc.version = '3.0.2';

module.exports = jsesc;

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