116 lines
3 KiB
JavaScript
Executable file
116 lines
3 KiB
JavaScript
Executable file
#!/usr/bin/env node
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const fs = require('fs');
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const cssesc = require('../cssesc.js');
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const strings = process.argv.splice(2);
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const stdin = process.stdin;
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const options = {};
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const log = console.log;
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const main = function() {
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const option = strings[0];
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if (/^(?:-h|--help|undefined)$/.test(option)) {
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log(
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'cssesc v%s - https://mths.be/cssesc',
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cssesc.version
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);
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log([
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'\nUsage:\n',
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'\tcssesc [string]',
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'\tcssesc [-i | --identifier] [string]',
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'\tcssesc [-s | --single-quotes] [string]',
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'\tcssesc [-d | --double-quotes] [string]',
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'\tcssesc [-w | --wrap] [string]',
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'\tcssesc [-e | --escape-everything] [string]',
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'\tcssesc [-v | --version]',
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'\tcssesc [-h | --help]',
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'\nExamples:\n',
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'\tcssesc \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
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'\tcssesc --identifier \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
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'\tcssesc --escape-everything \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
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'\tcssesc --double-quotes --wrap \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\'',
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'\techo \'f\xF6o \u2665 b\xE5r \uD834\uDF06 baz\' | cssesc'
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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', cssesc.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 (/^(?:-i|--identifier)$/.test(string)) {
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options.isIdentifier = true;
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return;
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}
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if (/^(?:-s|--single-quotes)$/.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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// Process string(s)
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let result;
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try {
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result = cssesc(string, options);
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log(result);
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} catch (exception) {
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log(exception.message + '\n');
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log('Error: failed to escape.');
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log('If you think this is a bug in cssesc, please report it:');
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log('https://github.com/mathiasbynens/cssesc/issues/new');
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log(
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'\nStack trace using cssesc@%s:\n',
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cssesc.version
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);
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log(exception.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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let timeout;
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// Either the script is called from within a non-TTY context, or `stdin`
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// content is being piped in.
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if (!process.stdout.isTTY) {
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// The script was called from a non-TTY context. This is a rather uncommon
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// use case we don’t actively support. However, we don’t want the script
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// to wait forever in such cases, so…
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timeout = setTimeout(function() {
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// …if no piped data arrived after a whole minute, handle shell
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// arguments instead.
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main();
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}, 60000);
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}
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let 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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