28 lines
733 B
JavaScript
28 lines
733 B
JavaScript
|
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';
|
||
|
|
}
|
||
|
|
}
|