feat(minor): add ReadonlyState<T> type

Author: giladgd

eslint.config.js

@@ -5,14 +5,15 @@ import jsdoc from "eslint-plugin-jsdoc";
 import n from "eslint-plugin-n";
 import tseslint from "typescript-eslint";
 import stylistic from "@stylistic/eslint-plugin";
+import {defineConfig} from "eslint/config";
 
 
-export default tseslint.config({
+export default defineConfig({
     ignores: ["dist/", "docs-site/"]
 }, {
     files: ["**/**.{,c,m}{js,ts}"],
     extends: [
-        stylistic.configs["recommended-flat"],
+        stylistic.configs["recommended"],
         jsdoc.configs["flat/recommended"],
         importPlugin.flatConfigs.recommended
     ],
@@ -42,7 +43,7 @@ export default tseslint.config({
         }
     },
     rules: {
-        "@stylistic/indent": ["off"],
+        "@stylistic/indent": ["warn", 4],
         "indent": ["warn", 4, {
             SwitchCase: 1,
             FunctionDeclaration: {
@@ -61,7 +62,8 @@ export default tseslint.config({
             args: "none",
             ignoreRestSiblings: true,
             varsIgnorePattern: "^set",
-            caughtErrors: "none"
+            caughtErrors: "none",
+            ignoreUsingDeclarations: true
         }],
         "@stylistic/no-prototype-builtins": ["off"],
         "@stylistic/object-curly-spacing": ["warn", "never"],

src/State.ts

@@ -226,4 +226,8 @@ export class StateChangeListenerHandle {
     }
 }
 
+export type ReadonlyState<T> = Omit<State<T>, "clearChangeListeners"> & {
+    readonly state: T
+};
+
 type TypeOfState<T extends State<any>> = T extends State<infer S> ? S : never;

tsconfig.json

@@ -23,6 +23,7 @@
         "outDir": "./dist",
         "strict": true,
         "sourceMap": true,
+        "inlineSources": true,
         "composite": false,
         "declaration": true,
         "declarationMap": true,