30 lines
802 B
JavaScript
30 lines
802 B
JavaScript
|
var path = require('path');
|
||
|
|
|
||
|
|
module.exports = function (basedir, relfiles) {
|
||
|
|
if (relfiles) {
|
||
|
|
var files = relfiles.map(function (r) {
|
||
|
|
return path.resolve(basedir, r);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
var files = basedir;
|
||
|
|
}
|
||
|
|
|
||
|
|
var res = files.slice(1).reduce(function (ps, file) {
|
||
|
|
if (!file.match(/^([A-Za-z]:)?\/|\\/)) {
|
||
|
|
throw new Error('relative path without a basedir');
|
||
|
|
}
|
||
|
|
|
||
|
|
var xs = file.split(/\/+|\\+/);
|
||
|
|
for (
|
||
|
|
var i = 0;
|
||
|
|
ps[i] === xs[i] && i < Math.min(ps.length, xs.length);
|
||
|
|
i++
|
||
|
|
);
|
||
|
|
return ps.slice(0, i);
|
||
|
|
}, files[0].split(/\/+|\\+/));
|
||
|
|
|
||
|
|
// Windows correctly handles paths with forward-slashes
|
||
|
|
return res.length > 1 ? res.join('/') : '/'
|
||
|
|
};
|