asdf-games/node_modules/has-ansi/cli.js

54 lines
866 B
JavaScript

#!/usr/bin/env node
'use strict';
var pkg = require('./package.json');
var hasAnsi = require('./');
var input = process.argv[2];
function stdin(cb) {
var ret = '';
process.stdin.setEncoding('utf8');
process.stdin.on('data', function (data) {
ret += data;
});
process.stdin.on('end', function () {
cb(ret);
});
}
function help() {
console.log([
pkg.description,
'',
'Usage',
' $ has-ansi <string>',
' $ echo <string> | has-ansi',
'',
'Exits with code 0 if input has ANSI escape codes and 1 if not'
].join('\n'));
}
function init(data) {
process.exit(hasAnsi(data) ? 0 : 1);
}
if (process.argv.indexOf('--help') !== -1) {
help();
return;
}
if (process.argv.indexOf('--version') !== -1) {
console.log(pkg.version);
return;
}
if (process.stdin.isTTY) {
if (!input) {
help();
return;
}
init(input);
} else {
stdin(init);
}