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							- #!/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();
 
- 	}
 
- }());
 
 
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