codekingpro/portable-devtools

1#!/usr/bin/env node
2const 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)$/.test(option)) {
13		log(
14			'cssesc v%s - https://mths.be/cssesc',
15			cssesc.version
16		);
17		log([
18			'\nUsage:\n',
19			'\tcssesc [string]',
20			'\tcssesc [-i | --identifier] [string]',
21			'\tcssesc [-s | --single-quotes] [string]',
22			'\tcssesc [-d | --double-quotes] [string]',
23			'\tcssesc [-w | --wrap] [string]',
24			'\tcssesc [-e | --escape-everything] [string]',
25			'\tcssesc [-v | --version]',
26			'\tcssesc [-h | --help]',
27			'\nExamples:\n',
28			'\tcssesc \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
29			'\tcssesc --identifier \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
30			'\tcssesc --escape-everything \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
31			'\tcssesc --double-quotes --wrap \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
32			'\techo \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\' | cssesc'
33		].join('\n'));
34		return process.exit(1);
35	}
36
37	if (/^(?:-v|--version)$/.test(option)) {
38		log('v%s', cssesc.version);
39		return process.exit(1);
40	}
41
42	strings.forEach(function(string) {
43		// Process options
44		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.version
78			);
79			log(exception.stack);
80			return process.exit(1);
81		}
82	});
83	// Return with exit status 0 outside of the `forEach` loop, in case
84	// multiple strings were passed in.
85	return process.exit(0);
86
87};
88
89if (stdin.isTTY) {
90	// handle shell arguments
91	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 uncommon
98		// use case we don’t actively support. However, we don’t want the script
99		// to wait forever in such cases, so…
100		timeout = setTimeout(function() {
101			// …if no piped data arrived after a whole minute, handle shell
102			// 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