asarfuckery/appasar/canary/common/Settings.js

88 lines
2.8 KiB
JavaScript

'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _fs = require('fs');
var _fs2 = _interopRequireDefault(_fs);
var _path = require('path');
var _path2 = _interopRequireDefault(_path);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
// TODO: sync fs operations could cause slowdown and/or freezes, depending on usage
// if this is fine, remove this todo
var Settings = function () {
function Settings(root) {
_classCallCheck(this, Settings);
this.path = _path2.default.join(root, 'settings.json');
try {
this.lastSaved = _fs2.default.readFileSync(this.path);
this.settings = JSON.parse(this.lastSaved);
} catch (e) {
this.lastSaved = '';
this.settings = {};
}
this.lastModified = this._lastModified();
}
_createClass(Settings, [{
key: '_lastModified',
value: function _lastModified() {
try {
return _fs2.default.statSync(this.path).mtime.getTime();
} catch (e) {
return 0;
}
}
}, {
key: 'get',
value: function get(key) {
var defaultValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
if (this.settings.hasOwnProperty(key)) {
return this.settings[key];
}
return defaultValue;
}
}, {
key: 'set',
value: function set(key, value) {
this.settings[key] = value;
}
}, {
key: 'save',
value: function save() {
if (this.lastModified && this.lastModified !== this._lastModified()) {
console.warn('Not saving settings, it has been externally modified.');
return;
}
try {
var toSave = JSON.stringify(this.settings, null, 2);
if (this.lastSaved != toSave) {
this.lastSaved = toSave;
_fs2.default.writeFileSync(this.path, toSave);
this.lastModified = this._lastModified();
}
} catch (err) {
console.warn('Failed saving settings with error: ', err);
}
}
}]);
return Settings;
}();
exports.default = Settings;
module.exports = exports['default'];