mirror of
https://github.com/HeyPuter/puter
synced 2024-11-15 06:15:47 +00:00
46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
|
/*
|
||
|
|
* Copyright (C) 2024 Puter Technologies Inc.
|
||
|
|
*
|
||
|
|
* This file is part of Phoenix Shell.
|
||
|
|
*
|
||
|
|
* Phoenix Shell is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU Affero General Public License as published
|
||
|
|
* by the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU Affero General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Affero General Public License
|
||
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
export class Context {
|
||
|
|
constructor (values) {
|
||
|
|
for ( const k in values ) this[k] = values[k];
|
||
|
|
}
|
||
|
|
sub (newValues) {
|
||
|
|
if ( newValues === undefined ) newValues = {};
|
||
|
|
const sub = Object.create(this);
|
||
|
|
|
||
|
|
const alreadyApplied = {};
|
||
|
|
for ( const k in sub ) {
|
||
|
|
if ( sub[k] instanceof Context ) {
|
||
|
|
const newValuesForK =
|
||
|
|
newValues.hasOwnProperty(k)
|
||
|
|
? newValues[k] : undefined;
|
||
|
|
sub[k] = sub[k].sub(newValuesForK);
|
||
|
|
alreadyApplied[k] = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
for ( const k in newValues ) {
|
||
|
|
if ( alreadyApplied[k] ) continue;
|
||
|
|
sub[k] = newValues[k];
|
||
|
|
}
|
||
|
|
|
||
|
|
return sub;
|
||
|
|
}
|
||
|
|
}
|