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- #!/usr/bin/env node
- (function() {
- var fs = require('fs');
- var stringEscape = require('../jsesc.js');
- var strings = process.argv.splice(2);
- var stdin = process.stdin;
- var data;
- var timeout;
- var isObject = false;
- var options = {};
- var log = console.log;
- var main = function() {
- var option = strings[0];
- if (/^(?:-h|--help|undefined)$/.test(option)) {
- log(
- 'jsesc v%s - https://mths.be/jsesc',
- stringEscape.version
- );
- log([
- '\nUsage:\n',
- '\tjsesc [string]',
- '\tjsesc [-s | --single-quotes] [string]',
- '\tjsesc [-d | --double-quotes] [string]',
- '\tjsesc [-w | --wrap] [string]',
- '\tjsesc [-e | --escape-everything] [string]',
- '\tjsesc [-t | --escape-etago] [string]',
- '\tjsesc [-6 | --es6] [string]',
- '\tjsesc [-l | --lowercase-hex] [string]',
- '\tjsesc [-j | --json] [string]',
- '\tjsesc [-o | --object] [stringified_object]', // `JSON.parse()` the argument
- '\tjsesc [-p | --pretty] [string]', // `compact: false`
- '\tjsesc [-v | --version]',
- '\tjsesc [-h | --help]',
- '\nExamples:\n',
- '\tjsesc \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
- '\tjsesc --json \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
- '\tjsesc --json --escape-everything \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
- '\tjsesc --double-quotes --wrap \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
- '\techo \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\' | jsesc'
- ].join('\n'));
- return process.exit(1);
- }
- if (/^(?:-v|--version)$/.test(option)) {
- log('v%s', stringEscape.version);
- return process.exit(1);
- }
- strings.forEach(function(string) {
- // Process options
- 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;
- }
- if (/^(?:-t|--escape-etago)$/.test(string)) {
- options.escapeEtago = true;
- return;
- }
- if (/^(?:-6|--es6)$/.test(string)) {
- options.es6 = true;
- return;
- }
- if (/^(?:-l|--lowercase-hex)$/.test(string)) {
- options.lowercaseHex = true;
- return;
- }
- if (/^(?:-j|--json)$/.test(string)) {
- options.json = true;
- return;
- }
- if (/^(?:-o|--object)$/.test(string)) {
- isObject = true;
- return;
- }
- if (/^(?:-p|--pretty)$/.test(string)) {
- isObject = true;
- options.compact = false;
- return;
- }
- // Process string(s)
- var result;
- try {
- if (isObject) {
- string = JSON.parse(string);
- }
- result = stringEscape(string, options);
- log(result);
- } catch(error) {
- log(error.message + '\n');
- log('Error: failed to escape.');
- log('If you think this is a bug in jsesc, please report it:');
- log('https://github.com/mathiasbynens/jsesc/issues/new');
- log(
- '\nStack trace using jsesc@%s:\n',
- stringEscape.version
- );
- log(error.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 {
- // Either the script is called from within a non-TTY context,
- // or `stdin` content is being piped in.
- if (!process.stdout.isTTY) { // called from a non-TTY context
- timeout = setTimeout(function() {
- // if no piped data arrived after a while, handle shell arguments
- main();
- }, 250);
- }
- 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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