| #!/usr/bin/env node |
| const fs = require('fs'); |
| const cssesc = require('../cssesc.js'); |
| const strings = process.argv.splice(2); |
| const stdin = process.stdin; |
| const options = {}; |
| const log = console.log; |
| |
| const main = function() { |
| const option = strings[0]; |
| |
| if (/^(?:-h|--help|undefined)$/.test(option)) { |
| log( |
| 'cssesc v%s - https://mths.be/cssesc', |
| cssesc.version |
| ); |
| log([ |
| '\nUsage:\n', |
| '\tcssesc [string]', |
| '\tcssesc [-i | --identifier] [string]', |
| '\tcssesc [-s | --single-quotes] [string]', |
| '\tcssesc [-d | --double-quotes] [string]', |
| '\tcssesc [-w | --wrap] [string]', |
| '\tcssesc [-e | --escape-everything] [string]', |
| '\tcssesc [-v | --version]', |
| '\tcssesc [-h | --help]', |
| '\nExamples:\n', |
| '\tcssesc \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'', |
| '\tcssesc --identifier \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'', |
| '\tcssesc --escape-everything \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'', |
| '\tcssesc --double-quotes --wrap \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'', |
| '\techo \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\' | cssesc' |
| ].join('\n')); |
| return process.exit(1); |
| } |
| |
| if (/^(?:-v|--version)$/.test(option)) { |
| log('v%s', cssesc.version); |
| return process.exit(1); |
| } |
| |
| strings.forEach(function(string) { |
| // Process options |
| if (/^(?:-i|--identifier)$/.test(string)) { |
| options.isIdentifier = true; |
| return; |
| } |
| if (/^(?:-s|--single-quotes)$/.test(string)) { |
| options.quotes = 'single'; |
| return; |
| } |
| if (/^(?:-d|--double-quotes)$/.test(string)) { |
| options.quotes = 'double'; |
| return; |
| } |
| if (/^(?:-w|--wrap)$/.test(string)) { |
| options.wrap = true; |
| return; |
| } |
| if (/^(?:-e|--escape-everything)$/.test(string)) { |
| options.escapeEverything = true; |
| return; |
| } |
| |
| // Process string(s) |
| let result; |
| try { |
| result = cssesc(string, options); |
| log(result); |
| } catch (exception) { |
| log(exception.message + '\n'); |
| log('Error: failed to escape.'); |
| log('If you think this is a bug in cssesc, please report it:'); |
| log('https://github.com/mathiasbynens/cssesc/issues/new'); |
| log( |
| '\nStack trace using cssesc@%s:\n', |
| cssesc.version |
| ); |
| log(exception.stack); |
| return process.exit(1); |
| } |
| }); |
| // Return with exit status 0 outside of the `forEach` loop, in case |
| // multiple strings were passed in. |
| return process.exit(0); |
| |
| }; |
| |
| if (stdin.isTTY) { |
| // handle shell arguments |
| main(); |
| } else { |
| let timeout; |
| // Either the script is called from within a non-TTY context, or `stdin` |
| // content is being piped in. |
| if (!process.stdout.isTTY) { |
| // The script was called from a non-TTY context. This is a rather uncommon |
| // use case we don’t actively support. However, we don’t want the script |
| // to wait forever in such cases, so… |
| timeout = setTimeout(function() { |
| // …if no piped data arrived after a whole minute, handle shell |
| // arguments instead. |
| main(); |
| }, 60000); |
| } |
| let data = ''; |
| stdin.on('data', function(chunk) { |
| clearTimeout(timeout); |
| data += chunk; |
| }); |
| stdin.on('end', function() { |
| strings.push(data.trim()); |
| main(); |
| }); |
| stdin.resume(); |
| } |