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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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