@kui-shell/core
Version:
An Electron-based shell for cloud-native development
83 lines (82 loc) • 2.48 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.offQuit = offQuit;
exports.onQuit = onQuit;
var _ = require("..");
/*
* Copyright 2020 The Kubernetes Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var __awaiter = void 0 && (void 0).__awaiter || function (thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P ? value : new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
/** Signals that indicate we are being terminated */
const signals = ['SIGINT', 'SIGTERM', 'SIGUSR1', 'SIGUSR2'];
/** Interface with process.on/off */
function toggle(op, handler) {
return __awaiter(this, void 0, void 0, function* () {
if (op === 'on') {
process.on('exit', handler);
} else {
process.off('exit', handler);
}
signals.forEach(signal => {
if (op === 'on') {
process.on(signal, handler);
} else {
process.off(signal, handler);
}
});
});
}
function onQuit(handler) {
if (_.Capabilities.isHeadless()) {
toggle('on', handler);
} else if (typeof window.addEventListener === 'function') {
window.addEventListener('beforeunload', handler);
}
}
function offQuit(handler) {
if (_.Capabilities.isHeadless()) {
toggle('off', handler);
} else if (typeof window.removeEventListener === 'function') {
window.removeEventListener('beforeunload', handler);
}
}