feat: add Configuration class

examples/vscode-i18n/package.json

@@ -25,7 +25,18 @@
         "title": "%tomjs.commands.hello%",
         "category": "%displayName%"
       }
-    ]
+    ],
+    "configuration": {
+      "type": "object",
+      "title": "%displayName%",
+      "properties": {
+        "tomjs.xxx.hello": {
+          "type": "string",
+          "default": "Hello World",
+          "description": "%description%"
+        }
+      }
+    }
   },
   "icon": "resources/logo.png",
   "vsce": {

examples/vscode-i18n/src/index.ts

@@ -1,8 +1,18 @@
-import { getDotVSCodePath, getUserDataPath, i18n, initExtension } from '@tomjs/vscode';
+import {
+  Configuration,
+  getDotVSCodePath,
+  getUserDataPath,
+  i18n,
+  initExtension,
+} from '@tomjs/vscode';
 import type { ExtensionContext } from 'vscode';
 import { commands, window } from 'vscode';
 
-export function activate(context: ExtensionContext) {
+interface IConfig {
+  hello?: string;
+}
+
+export async function activate(context: ExtensionContext) {
   initExtension(context);
 
   context.subscriptions.push(
@@ -13,6 +23,13 @@ export function activate(context: ExtensionContext) {
 
   console.log('user data path:', getUserDataPath());
   console.log('.vscode path:', getDotVSCodePath());
+
+  const config = new Configuration<IConfig>('tomjs.xxx');
+  console.log('values:', config.values());
+  await config.update('hello', {
+    time: Date.now(),
+  });
+  console.log('values:', config.values());
 }
 
 export function deactivate() {}

packages/vscode/src/configuration.ts

@@ -0,0 +1,90 @@
+import { ConfigurationTarget, workspace } from 'vscode';
+
+export class Configuration<T> {
+  private _defaultValues: T = {} as T;
+  private _values: T = {} as T;
+  private identifier: string;
+  constructor(identifier: string, defaultValues?: T) {
+    this.identifier = identifier;
+    this._defaultValues = Object.assign({}, defaultValues);
+  }
+
+  configuration() {
+    return workspace.getConfiguration(this.identifier);
+  }
+
+  /**
+   * Return a value from this configuration.
+   * @param section — Configuration name, supports dotted names.
+   * @param defaultValue — A value should be returned when no value could be found, is undefined.
+   * @returns — The value section denotes or the default.
+   */
+  get<T>(section: string): T | undefined;
+  get<T>(section: string, defaultValue: T): T | undefined;
+  get<T>(section: string, defaultValue?: T): T | undefined {
+    return this.configuration().get(section, defaultValue ?? this._defaultValues[section]);
+  }
+
+  /**
+   * Get all Configuration values.
+   */
+  values(): T {
+    const values = Object.assign({});
+    const cfg = this.configuration();
+    Object.keys(cfg)
+      .filter(key => typeof cfg[key] !== 'function')
+      .forEach(key => {
+        values[key] = cfg.get(key, this._defaultValues[key]);
+      });
+    return values;
+  }
+
+  /**
+   * Update a configuration value. The updated configuration values are persisted.
+   * @param section Configuration name, supports dotted names.
+   * @param value  The new value.
+   * @param target The {@link ConfigurationTarget configuration target} or a boolean value. Defaults to `true`
+   *	- If `true` updates {@link ConfigurationTarget.Global Global settings}.
+   *	- If `false` updates {@link ConfigurationTarget.Workspace Workspace settings}.
+   *	- If `undefined` or `null` updates to {@link ConfigurationTarget.WorkspaceFolder Workspace folder settings} if configuration is resource specific,
+   * 	otherwise to {@link ConfigurationTarget.Workspace Workspace settings}.
+   */
+  async update(
+    section: string,
+    value: any,
+    target?: ConfigurationTarget | boolean | null,
+  ): Promise<void>;
+
+  /**
+   * Update configuration values. The updated configuration values are persisted.
+   * @param values Configuration names and values, supports dotted names.
+   * @param target The {@link ConfigurationTarget configuration target} or a boolean value. Defaults to `true`
+   *	- If `true` updates {@link ConfigurationTarget.Global Global settings}.
+   *	- If `false` updates {@link ConfigurationTarget.Workspace Workspace settings}.
+   *	- If `undefined` or `null` updates to {@link ConfigurationTarget.WorkspaceFolder Workspace folder settings} if configuration is resource specific,
+   * 	otherwise to {@link ConfigurationTarget.Workspace Workspace settings}.
+   */
+  async update(values: T, target?: ConfigurationTarget | boolean | null): Promise<void>;
+  async update(section: string | T, value: any, target?: ConfigurationTarget | boolean | null) {
+    const values: any = {};
+    let _target: ConfigurationTarget | boolean | undefined | null;
+    if (typeof section === 'string') {
+      values[section] = value;
+      _target = target;
+    } else if (typeof section === 'object') {
+      Object.assign(values, section);
+      _target = value;
+    } else {
+      throw new Error('');
+    }
+
+    const cfg = this.configuration();
+    await Promise.all(
+      Object.keys(values).map(key =>
+        cfg.update(key, values[key], _target ?? ConfigurationTarget.Global).then(() => {
+          this._values[key] = values[key];
+        }),
+      ),
+    );
+  }
+}

packages/vscode/src/index.ts

@@ -2,6 +2,7 @@ import type { ExtensionContext } from 'vscode';
 import { setExtensionContext } from './ctx';
 import { loadI18n } from './i18n';
 
+export * from './configuration';
 export * from './constants';
 export * from './ctx';
 export * from './i18n';