@kui-shell/core
Version:
An Electron-based shell for cloud-native development
199 lines • 6.23 kB
JavaScript
/*
* Copyright 2017 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 = (this && this.__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());
});
};
import Debug from 'debug';
import { join } from 'path';
import store from '../models/store';
import expandHomeDir from '../util/home';
import { inBrowser } from '../core/capabilities';
const debug = Debug('core/userdata');
/**
* Get the userdata directory
*
*/
export const userDataDir = () => {
if (inBrowser()) {
throw new Error('Unsupported operation');
}
else {
// headless
const name = '@kui-shell/settings';
switch (process.platform) {
case 'darwin':
return join(process.env.HOME, 'Library', 'Application Support', name);
case 'linux': {
const home = process.env.XDG_CONFIG_HOME || expandHomeDir('~/.config');
return join(home, name);
}
case 'win32':
return join(process.env.APPDATA, name);
}
}
};
/** filepath to persisted preference model */
const preferencesFilepath = () => join(userDataDir(), 'prefs.json');
/**
* Sync the preferences to disk
*
* @return passes through the preference model
*
*/
const fsyncPreferences = (prefs) => __awaiter(void 0, void 0, void 0, function* () {
if (inBrowser()) {
store().setItem('kui.userprefs', JSON.stringify(prefs));
}
else {
const { mkdirp, writeFile } = yield import('fs-extra');
yield mkdirp(userDataDir());
yield writeFile(preferencesFilepath(), JSON.stringify(prefs));
}
return prefs;
});
function readFile(filepath) {
return __awaiter(this, void 0, void 0, function* () {
const { readFile } = yield import('fs');
return new Promise((resolve, reject) => {
readFile(filepath, (err, data) => {
if (err) {
reject(err);
}
else {
resolve(data.toString());
}
});
});
});
}
/**
* Read the preference model
*
*/
const preferences = () => __awaiter(void 0, void 0, void 0, function* () {
if (inBrowser()) {
debug('reading preferences from browser localStorage');
const prefs = store().getItem('kui.userprefs');
if (!prefs) {
return {};
}
else {
try {
return JSON.parse(prefs);
}
catch (err) {
debug('error parsing preference model', prefs);
console.error('error parsing preference model', err);
return {};
}
}
}
try {
const filepath = preferencesFilepath();
debug('reading persisted preference model', filepath);
const raw = yield readFile(filepath);
try {
return JSON.parse(raw);
}
catch (err) {
debug('error parsing preference model', raw);
console.error('error parsing preference model', err);
return {};
}
}
catch (err) {
if (err.code === 'ENOENT') {
return fsyncPreferences({});
}
else {
throw err;
}
}
});
/**
* Purge the preference model
*
*/
export const purgePreferences = () => __awaiter(void 0, void 0, void 0, function* () {
debug('purgePreferences');
if (inBrowser()) {
store().removeItem('kui.userprefs');
}
else {
const { unlink } = yield import('fs-extra');
yield unlink(preferencesFilepath());
}
});
/**
* Remove the preference associated with the given key
*
* @return the prior value
*
*/
export const clearPreference = (key) => __awaiter(void 0, void 0, void 0, function* () {
debug('clearPreference', key);
const prefs = yield preferences();
const value = prefs[key];
delete prefs[key];
yield fsyncPreferences(prefs);
return value;
});
/**
* Get a persisted preference
*
* @return the preference value
*
*/
export const getPreference = (key) => __awaiter(void 0, void 0, void 0, function* () {
const prefs = yield preferences();
const value = prefs[key];
debug('getPreference', key, value);
return value;
});
/**
* Set a persisted preference
*
* @return the preference value
*
*/
export const setPreference = (key, value) => __awaiter(void 0, void 0, void 0, function* () {
debug('setPreference', key, value);
const prefs = yield preferences();
prefs[key] = value;
yield fsyncPreferences(prefs);
return value;
});
export function getOrSetPreference(key, defaultValue) {
return __awaiter(this, void 0, void 0, function* () {
const prefs = yield preferences();
if (prefs[key]) {
return prefs[key];
}
else {
const value = typeof defaultValue === 'string' ? defaultValue : yield defaultValue();
prefs[key] = value;
yield fsyncPreferences(prefs);
return value;
}
});
}
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