chore: convert JS to TS (#1934)

1 files changed, 66 insertions, 0 deletions

diff --git a/src/electron/Settings.ts b/src/electron/Settings.ts
new file mode 100644
index 000000000..a1344aa97
--- /dev/null
+++ b/src/electron/Settings.ts
@@ -0,0 +1,66 @@
+import { observable, toJS } from 'mobx';
+import { pathExistsSync, outputJsonSync, readJsonSync } from 'fs-extra';
+import { userDataPath } from '../environment';
+
+const debug = require('debug')('Ferdi:Settings');
+
+export default class Settings {
+  type = '';
+
+  defaultState: {};
+
+  @observable store = {};
+
+  constructor(type: string, defaultState = {}) {
+    this.type = type;
+    this.store = defaultState;
+    this.defaultState = defaultState;
+
+    if (!pathExistsSync(this.settingsFile)) {
+      this._writeFile();
+    } else {
+      this._hydrate();
+    }
+  }
+
+  set(settings) {
+    this.store = this._merge(settings);
+
+    this._writeFile();
+  }
+
+  get all() {
+    return this.store;
+  }
+
+  get allSerialized() {
+    return toJS(this.store);
+  }
+
+  get(key: string | number) {
+    return this.store[key];
+  }
+
+  _merge(settings) {
+    return Object.assign(this.defaultState, this.store, settings);
+  }
+
+  _hydrate() {
+    this.store = this._merge(readJsonSync(this.settingsFile));
+    debug('Hydrate store', this.type, this.allSerialized);
+  }
+
+  _writeFile() {
+    outputJsonSync(this.settingsFile, this.store, {
+      spaces: 2,
+    });
+    debug('Write settings file', this.type, this.allSerialized);
+  }
+
+  get settingsFile() {
+    return userDataPath(
+      'config',
+      `${this.type === 'app' ? 'settings' : this.type}.json`,
+    );
+  }
+}