index.js•733 B
var fs = require('fs');
var path = require('path');
const supportsColor = require('supports-color');
module.exports = help;
const highlight = supportsColor.stdout ? '\x1B\[$1m' : '';
function help(item) {
if (!item) {
item = 'help';
} else if (item === true) { // if used with -h or --help and no args
item = 'help';
}
// cleanse the filename to only contain letters
// aka: /\W/g but figured this was eaiser to read
item = item.replace(/[^a-z]/gi, '');
try {
var dir = path.join(__dirname, '..', '..', 'doc', 'cli', item + '.txt');
var body = fs.readFileSync(dir, 'utf8');
return body.replace(/\\x1B\[(.)m/g, highlight);
} catch (e) {
return '"' + item + '" help can\'t be found';
}
}