81 lines
3.0 KiB
JavaScript
81 lines
3.0 KiB
JavaScript
/* DING: Desktop Icons New Generation for GNOME Shell
|
|
*
|
|
* Copyright (C) 2022 Marco Trevisan <marco.trevisan@canonical.com>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, version 3 of the License.
|
|
*
|
|
* 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
'use strict';
|
|
/* This is coming from gjs 1.72, adding options to allow not to replace the
|
|
* original method, in case we want to avoid clashes with already used async
|
|
* methods. This can be dropped when such requirements are not needed */
|
|
/**
|
|
*
|
|
* @param options
|
|
* @param proto
|
|
* @param asyncFunc
|
|
* @param finishFunc
|
|
*/
|
|
function _promisify(options, proto, asyncFunc,
|
|
finishFunc = `${asyncFunc.replace(/_(begin|async)$/, '')}_finish`) {
|
|
if (proto[asyncFunc] === undefined) {
|
|
throw new Error(`${proto} has no method named ${asyncFunc}`);
|
|
}
|
|
|
|
if (proto[finishFunc] === undefined) {
|
|
throw new Error(`${proto} has no method named ${finishFunc}`);
|
|
}
|
|
|
|
if (proto[`_original_${asyncFunc}`] !== undefined) {
|
|
if (options.keepOriginal && proto[`${asyncFunc}_promise`] === undefined) {
|
|
proto[`${asyncFunc}_promise`] = proto[asyncFunc];
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!options) {
|
|
options = {};
|
|
}
|
|
|
|
proto[`_original_${asyncFunc}`] = proto[asyncFunc];
|
|
proto[options.keepOriginal ? `${asyncFunc}_promise` : asyncFunc] = function (...args) {
|
|
if (!args.every(arg => typeof arg !== 'function')) {
|
|
return this[`_original_${asyncFunc}`](...args);
|
|
}
|
|
return new Promise((resolve, reject) => {
|
|
const callStack = new Error().stack.split('\n').filter(line => !line.match(/promisify/)).join('\n');
|
|
this[`_original_${asyncFunc}`](...args, (source, res) => {
|
|
try {
|
|
const result = source !== null && source[finishFunc] !== undefined
|
|
? source[finishFunc](res)
|
|
: proto[finishFunc](res);
|
|
if (Array.isArray(result) && result.length > 1 && result[0] === true) {
|
|
result.shift();
|
|
}
|
|
resolve(result);
|
|
} catch (error) {
|
|
if (error.stack) {
|
|
error.stack += `### Promise created here: ###\n${callStack}`;
|
|
} else {
|
|
error.stack = callStack;
|
|
}
|
|
reject(error);
|
|
}
|
|
});
|
|
});
|
|
};
|
|
|
|
if (!options.keepOriginal && proto[`${asyncFunc}_promise`] === undefined) {
|
|
proto[`${asyncFunc}_promise`] = proto[asyncFunc];
|
|
}
|
|
}
|