File Explorer

1#!/usr/bin/env node2const fs = require('fs');3const cssesc = require('../cssesc.js');4const strings = process.argv.splice(2);5const stdin = process.stdin;6const options = {};7const log = console.log;8 9const main = function() {10	const option = strings[0];11 12	if (/^(?:-h|--help|undefined)$/.test(option)) {13		log(14			'cssesc v%s - https://mths.be/cssesc',15			cssesc.version16		);17		log([18			'\nUsage:\n',19			'\tcssesc [string]',20			'\tcssesc [-i | --identifier] [string]',21			'\tcssesc [-s | --single-quotes] [string]',22			'\tcssesc [-d | --double-quotes] [string]',23			'\tcssesc [-w | --wrap] [string]',24			'\tcssesc [-e | --escape-everything] [string]',25			'\tcssesc [-v | --version]',26			'\tcssesc [-h | --help]',27			'\nExamples:\n',28			'\tcssesc \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',29			'\tcssesc --identifier \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',30			'\tcssesc --escape-everything \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',31			'\tcssesc --double-quotes --wrap \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',32			'\techo \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\' | cssesc'33		].join('\n'));34		return process.exit(1);35	}36 37	if (/^(?:-v|--version)$/.test(option)) {38		log('v%s', cssesc.version);39		return process.exit(1);40	}41 42	strings.forEach(function(string) {43		// Process options44		if (/^(?:-i|--identifier)$/.test(string)) {45			options.isIdentifier = true;46			return;47		}48		if (/^(?:-s|--single-quotes)$/.test(string)) {49			options.quotes = 'single';50			return;51		}52		if (/^(?:-d|--double-quotes)$/.test(string)) {53			options.quotes = 'double';54			return;55		}56		if (/^(?:-w|--wrap)$/.test(string)) {57			options.wrap = true;58			return;59		}60		if (/^(?:-e|--escape-everything)$/.test(string)) {61			options.escapeEverything = true;62			return;63		}64 65		// Process string(s)66		let result;67		try {68			result = cssesc(string, options);69			log(result);70		} catch (exception) {71			log(exception.message + '\n');72			log('Error: failed to escape.');73			log('If you think this is a bug in cssesc, please report it:');74			log('https://github.com/mathiasbynens/cssesc/issues/new');75			log(76				'\nStack trace using cssesc@%s:\n',77				cssesc.version78			);79			log(exception.stack);80			return process.exit(1);81		}82	});83	// Return with exit status 0 outside of the `forEach` loop, in case84	// multiple strings were passed in.85	return process.exit(0);86 87};88 89if (stdin.isTTY) {90	// handle shell arguments91	main();92} else {93	let timeout;94	// Either the script is called from within a non-TTY context, or `stdin`95	// content is being piped in.96	if (!process.stdout.isTTY) {97		// The script was called from a non-TTY context. This is a rather uncommon98		// use case we don’t actively support. However, we don’t want the script99		// to wait forever in such cases, so…100		timeout = setTimeout(function() {101			// …if no piped data arrived after a whole minute, handle shell102			// arguments instead.103			main();104		}, 60000);105	}106	let data = '';107	stdin.on('data', function(chunk) {108		clearTimeout(timeout);109		data += chunk;110	});111	stdin.on('end', function() {112		strings.push(data.trim());113		main();114	});115	stdin.resume();116}117