| #!/usr/bin/env node | 
| (function() { | 
|   | 
|     var fs = require('fs'); | 
|     var he = require('../he.js'); | 
|     var strings = process.argv.splice(2); | 
|     var stdin = process.stdin; | 
|     var data; | 
|     var timeout; | 
|     var action; | 
|     var options = {}; | 
|     var log = console.log; | 
|   | 
|     var main = function() { | 
|         var option = strings[0]; | 
|         var count = 0; | 
|   | 
|         if (/^(?:-h|--help|undefined)$/.test(option)) { | 
|             log( | 
|                 'he v%s - https://mths.be/he', | 
|                 he.version | 
|             ); | 
|             log([ | 
|                 '\nUsage:\n', | 
|                 '\the [--escape] string', | 
|                 '\the [--encode] [--use-named-refs] [--everything] [--allow-unsafe] [--decimal] string', | 
|                 '\the [--decode] [--attribute] [--strict] string', | 
|                 '\the [-v | --version]', | 
|                 '\the [-h | --help]', | 
|                 '\nExamples:\n', | 
|                 '\the --escape \\<img\\ src\\=\\\'x\\\'\\ onerror\\=\\"prompt\\(1\\)\\"\\>', | 
|                 '\techo \'© 𝌆\' | he --decode' | 
|             ].join('\n')); | 
|             return process.exit(option ? 0 : 1); | 
|         } | 
|   | 
|         if (/^(?:-v|--version)$/.test(option)) { | 
|             log('v%s', he.version); | 
|             return process.exit(0); | 
|         } | 
|   | 
|         strings.forEach(function(string) { | 
|             // Process options | 
|             if (string == '--escape') { | 
|                 action = 'escape'; | 
|                 return; | 
|             } | 
|             if (string == '--encode') { | 
|                 action = 'encode'; | 
|                 return; | 
|             } | 
|             if (string == '--use-named-refs') { | 
|                 action = 'encode'; | 
|                 options.useNamedReferences = true; | 
|                 return; | 
|             } | 
|             if (string == '--everything') { | 
|                 action = 'encode'; | 
|                 options.encodeEverything = true; | 
|                 return; | 
|             } | 
|             if (string == '--allow-unsafe') { | 
|                 action = 'encode'; | 
|                 options.allowUnsafeSymbols = true; | 
|                 return; | 
|             } | 
|             if (string == '--decimal') { | 
|                 action = 'encode'; | 
|                 options.decimal = true; | 
|                 return; | 
|             } | 
|             if (string == '--decode') { | 
|                 action = 'decode'; | 
|                 return; | 
|             } | 
|             if (string == '--attribute') { | 
|                 action = 'decode'; | 
|                 options.isAttributeValue = true; | 
|                 return; | 
|             } | 
|             if (string == '--strict') { | 
|                 action = 'decode'; | 
|                 options.strict = true; | 
|                 return; | 
|             } | 
|             // Process string(s) | 
|             var result; | 
|             if (!action) { | 
|                 log('Error: he requires at least one option and a string argument.'); | 
|                 log('Try `he --help` for more information.'); | 
|                 return process.exit(1); | 
|             } | 
|             try { | 
|                 result = he[action](string, options); | 
|                 log(result); | 
|                 count++; | 
|             } catch(error) { | 
|                 log(error.message + '\n'); | 
|                 log('Error: failed to %s.', action); | 
|                 log('If you think this is a bug in he, please report it:'); | 
|                 log('https://github.com/mathiasbynens/he/issues/new'); | 
|                 log( | 
|                     '\nStack trace using he@%s:\n', | 
|                     he.version | 
|                 ); | 
|                 log(error.stack); | 
|                 return process.exit(1); | 
|             } | 
|         }); | 
|         if (!count) { | 
|             log('Error: he requires a string argument.'); | 
|             log('Try `he --help` for more information.'); | 
|             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 { | 
|         // 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); | 
|         } | 
|         data = ''; | 
|         stdin.on('data', function(chunk) { | 
|             clearTimeout(timeout); | 
|             data += chunk; | 
|         }); | 
|         stdin.on('end', function() { | 
|             strings.push(data.trim()); | 
|             main(); | 
|         }); | 
|         stdin.resume(); | 
|     } | 
|   | 
| }()); |