chore: modernize lint and tsconfig setup

CHANGELOG.md

@@ -1,3 +1,15 @@
+## 7.0.0
+
+### Changed
+* Updated `powerbi-visuals-api` to `^5.11.0`.
+* Enabled full TypeScript strict checks (`strictNullChecks`, `strictPropertyInitialization`, `noImplicitAny`) and fixed related type issues.
+* Preserved formatting pane behavior for SimpleCard top-level toggle placement during strict-mode refactoring.
+
+### Infrastructure
+* Migrated ESLint config to flat-config ESM `eslint.config.mjs`.
+* Removed legacy `.eslintrc.js` and `.eslintignore` in favor of flat-config equivalents.
+* Updated the lint stack to ESLint 10 with TypeScript ESLint 8.
+* Pinned `typescript` as a direct devDependency and updated TypeScript config for TS6 compatibility.
 
 ## 6.2.2
 * Added missing `disabled` property to `FontPicker`
@@ -12,7 +24,6 @@
 * Bug with delaySaveSlices was fixed for *Container*s
 * Localization support for `AutoDropdown` and `ItemFlagsSelection`
 
-
 ## 6.1.0
 * `ItemDropdown` now supports new interface `ILocalizedItemMember` for localization of dropdown items.
 * `ItemDropdown` got new method `setValue(value: powerbi.EnumMemberValue, localizationManager?: powerbi.extensibility.ILocalizationManager)` to set value by unique enum member value.

eslint.config.mjs

@@ -0,0 +1,20 @@
+import powerbiVisuals from "eslint-plugin-powerbi-visuals";
+
+export default [
+    {
+        ignores: [
+            "node_modules/**",
+            "lib/**",
+        ],
+    },
+    {
+        ...powerbiVisuals.configs.recommended,
+        languageOptions: {
+            ...powerbiVisuals.configs.recommended.languageOptions,
+            parserOptions: {
+                project: "tsconfig.json",
+                tsconfigRootDir: import.meta.dirname,
+            },
+        },
+    },
+];