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- #!/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();
- }
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