diff --git a/demos/eslint.config.mjs b/demos/eslint.config.ts
similarity index 81%
rename from demos/eslint.config.mjs
rename to demos/eslint.config.ts
index a197c221..99e91eaf 100644
--- a/demos/eslint.config.mjs
+++ b/demos/eslint.config.ts
@@ -1,5 +1,5 @@
 import tseslint from "typescript-eslint";
-import baseConfig from "../eslint.config.mjs";
+import baseConfig from "../eslint.config";
 
 export default tseslint.config(baseConfig, {
   rules: {
diff --git a/demos/src/03-sky-night.ts b/demos/src/03-sky-night.ts
index 6ac42b6d..edac1572 100644
--- a/demos/src/03-sky-night.ts
+++ b/demos/src/03-sky-night.ts
@@ -1,8 +1,9 @@
-import { Map, config, MapStyle } from "@maptiler/sdk";
+import { Map, config, MapStyle } from "../../src";
 import { addPerformanceStats, setupMapTilerApiKey } from "./demo-utils";
 
 addPerformanceStats();
 setupMapTilerApiKey({ config });
+
 const container = document.getElementById("map-container")!;
 const map = new Map({
   container,
diff --git a/eslint.config.mjs b/eslint.config.ts
similarity index 89%
rename from eslint.config.mjs
rename to eslint.config.ts
index 556dd8ef..c8da13f5 100644
--- a/eslint.config.mjs
+++ b/eslint.config.ts
@@ -3,6 +3,18 @@
 import tseslint from "typescript-eslint";
 import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
 
+import { TSESTree } from "@typescript-eslint/utils";
+import { RuleContext } from "@typescript-eslint/utils/dist/ts-eslint";
+
+type Node = TSESTree.ImportDeclaration;
+
+type CustomRuleOptions = {
+  locations: string[];
+  message?: string;
+  fixedLocation?: string;
+  ignoreTypeImports?: boolean;
+};
+
 export default tseslint.config(
   // https://typescript-eslint.io/getting-started/typed-linting/
   tseslint.configs.strictTypeChecked,
@@ -27,7 +39,7 @@ export default tseslint.config(
                 },
               ],
             },
-            create: function (context) {
+            create: function (context: RuleContext<"bannedImport", Node[]>) {
               const filePath = context.getFilename();
               const options = context.options[0] || {
                 "^/(.*)": {
@@ -36,8 +48,8 @@ export default tseslint.config(
               };
 
               return {
-                ImportDeclaration: (node) => {
-                  Object.entries(options).forEach(([bannedImport, config]) => {
+                ImportDeclaration: (node: Node) => {
+                  Object.entries(options).forEach(([bannedImport, config]: [string, CustomRuleOptions]) => {
                     const importLocationRegex = new RegExp(bannedImport);
 
                     if (config.ignoreTypeImports && node.importKind === "type") return;
@@ -50,6 +62,7 @@ export default tseslint.config(
                           node.specifiers.forEach((specifier) => {
                             if (specifier.type !== "ImportDefaultSpecifier") {
                               context.report({
+                                // @ts-expect-error `message` seems to work with this...
                                 message: config.message ?? `Importing from '${bannedImport}' is banned in '${fp}'`,
                                 node,
                               });
diff --git a/package-lock.json b/package-lock.json
index 8191f4f5..5952ed9e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,6 +30,7 @@
         "eslint-plugin-prettier": "^5.2.3",
         "happy-dom": "^17.4.4",
         "husky": "^8.0.0",
+        "jiti": "^2.4.2",
         "lint-staged": "^15.4.3",
         "prettier": "3.5.2",
         "stats.js": "^0.17.0",
@@ -3489,6 +3490,16 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/jiti": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/jiti/-/jiti-2.4.2.tgz",
+      "integrity": "sha512-rg9zJN+G4n2nfJl5MW3BMygZX56zKPNVEYYqq7adpmMh4Jn2QNEwhvQlFy6jPVdcod7txZtKHWnyZiA3a0zP7A==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "jiti": "lib/jiti-cli.mjs"
+      }
+    },
     "node_modules/jju": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/jju/-/jju-1.4.0.tgz",
diff --git a/package.json b/package.json
index 6c8d98da..200676f8 100644
--- a/package.json
+++ b/package.json
@@ -38,8 +38,8 @@
     "prepare": "husky",
     "doc": "rm -rf docs/* && typedoc --out docs && cp -r images docs/",
     "ncu": "npx npm-check-updates",
-    "lint": "eslint src",
-    "lint:fix": "eslint src --fix",
+    "lint": "tsc --noEmit && eslint src",
+    "lint:fix": "tsc --noEmit && eslint src --fix",
     "test:watch": "vitest watch -c vite.config-test.ts --dom",
     "test": "vitest run -c vite.config-test.ts --dom",
     "install:clean": "rm -rf build/ dist/ node_modules/ && npm ci",
@@ -68,6 +68,7 @@
     "eslint-plugin-prettier": "^5.2.3",
     "happy-dom": "^17.4.4",
     "husky": "^8.0.0",
+    "jiti": "^2.4.2",
     "lint-staged": "^15.4.3",
     "prettier": "3.5.2",
     "stats.js": "^0.17.0",
diff --git a/src/Map.ts b/src/Map.ts
index 241a7d84..e7ea4f36 100644
--- a/src/Map.ts
+++ b/src/Map.ts
@@ -471,7 +471,7 @@ export class Map extends maplibregl.Map {
 
         const tileJsonRes = await fetch(styleUrl.href);
         tileJsonContent = await tileJsonRes.json();
-      } catch (e) {
+      } catch (_e) {
         // No tiles.json found (should not happen on maintained styles)
       }
 
diff --git a/src/converters/xml.ts b/src/converters/xml.ts
index e3421c52..3d1cf13c 100644
--- a/src/converters/xml.ts
+++ b/src/converters/xml.ts
@@ -622,7 +622,7 @@ export function gpxOrKml(doc: string | Document): GeoJSON.FeatureCollection | nu
   try {
     // Converting only once rather than in each converter
     if (typeof actualDoc === "string") actualDoc = str2xml(actualDoc);
-  } catch (e) {
+  } catch (_e) {
     // The doc is a string but not valid XML
     return null;
   }
@@ -630,14 +630,14 @@ export function gpxOrKml(doc: string | Document): GeoJSON.FeatureCollection | nu
   try {
     const result = gpx(actualDoc);
     return result;
-  } catch (e) {
+  } catch (_e) {
     // The doc is valid XML but not valid GPX
   }
 
   try {
     const result = kml(actualDoc);
     return result;
-  } catch (e) {
+  } catch (_e) {
     // The doc is valid XML but not valid KML
   }
 
diff --git a/src/mapstyle.ts b/src/mapstyle.ts
index 8c2197cc..035ad9bf 100644
--- a/src/mapstyle.ts
+++ b/src/mapstyle.ts
@@ -105,7 +105,7 @@ export function urlToAbsoluteUrl(url: string): string {
   try {
     const u = new URL(url);
     return u.href;
-  } catch (e) {
+  } catch (_e) {
     // nothing to raise
   }
 
@@ -130,7 +130,7 @@ export function convertToStyleSpecificationString(str: string): StyleValidationR
       isValidStyle: styleErrs.length === 0,
       styleObject: styleErrs.length === 0 ? (styleObj as maplibregl.StyleSpecification) : null,
     };
-  } catch (e) {
+  } catch (_e) {
     return {
       isValidJSON: false,
       isValidStyle: false,
diff --git a/src/tools.ts b/src/tools.ts
index 4ea0069e..580040cf 100644
--- a/src/tools.ts
+++ b/src/tools.ts
@@ -18,7 +18,7 @@ export function enableRTL() {
   if (status === "unavailable" || status === "requested") {
     try {
       maplibregl.setRTLTextPlugin(defaults.rtlPluginURL, true);
-    } catch (e) {
+    } catch (_e) {
       // nothing
     }
   }
@@ -46,7 +46,7 @@ export function maptilerCloudTransformRequest(url: string, resourceType?: Resour
     // Yet, if it's local we just return it without assuming a 'base' url (in the URL constructor)
     // and we let the URL be locally resolved with a potential base path.
     reqUrl = new URL(url);
-  } catch (e) {
+  } catch (_e) {
     return {
       url,
     };
@@ -111,7 +111,7 @@ export function isUUID(s: string): boolean {
 export function jsonParseNoThrow<T>(doc: string): T | null {
   try {
     return JSON.parse(doc);
-  } catch (e) {
+  } catch (_e) {
     // pass
   }
 
@@ -268,7 +268,7 @@ export function replaceLanguage(origLang: string, newLang: maplibregl.Expression
  * can also contain null that stand for the use of {name}
  */
 export function findLanguageStr(str: string): Array<string | null> {
-  const regex = /\{name(?:\:(?<language>\S+))?\}/g;
+  const regex = /\{name(?::(?<language>\S+))?\}/g;
   const languageUsed = [] as Array<string | null>;
 
   while (true) {