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