diff --git a/.prettierignore b/.prettierignore
index 683a4ac..db9a348 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -2,4 +2,3 @@ api-extractor/**/*
 dist/**/*
 docs/**/*
 temp/**/*
-types/**/*
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 03449b7..bcb49d4 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,6 +2,7 @@
   "cSpell.words": [
     "destructure",
     "heaslip",
+    "nodenext",
     "Perso",
     "rushstack",
     "tsdoc",
@@ -42,8 +43,8 @@
     "api-extractor/**/*": true,
     "CHANGELOG": true,
     "docs/**/*": true,
-    "LICENSE": true,
-    "types/**/*": true
+    "package-lock.json": true,
+    "LICENSE": true
   },
   "typescript.tsdk": "node_modules/typescript/lib"
 }
diff --git a/README.markdown b/README.markdown
index 1002cda..97f2740 100644
--- a/README.markdown
+++ b/README.markdown
@@ -24,7 +24,7 @@ npm run dev
 If you add a new function or making a change to the arguments of an existing function (without this TypeScript won’t be aware of the changes, and the `build-lint-test` script will fail):
 
 ```sh
-# Update api-extractor/* (metadata about code generated by api-extractor), docs/* (Markdown documentation generated by api-documenter using api-extractor metadata) and types/js-utils.d.ts (types generated by api-extractor)
+# Update api-extractor/* (metadata about code generated by api-extractor) and docs/* (Markdown documentation generated by api-documenter using api-extractor metadata)
 npm run api-extractor-update
 ```
 
diff --git a/api-extractor.json b/api-extractor.json
index 7c64bb0..d2c0797 100644
--- a/api-extractor.json
+++ b/api-extractor.json
@@ -9,7 +9,7 @@
     "reportFolder": "<projectFolder>/api-extractor"
   },
   "compiler": {
-    "tsconfigFilePath": "tsconfig.json"
+    "tsconfigFilePath": "tsconfig-dist.json"
   },
   "docModel": {
     "enabled": true,
@@ -18,23 +18,6 @@
   "dtsRollup": {
     "enabled": false
   },
-  "messages": {
-    "compilerMessageReporting": {
-      "default": {
-        "logLevel": "warning"
-      }
-    },
-    "extractorMessageReporting": {
-      "default": {
-        "logLevel": "warning"
-      }
-    },
-    "tsdocMessageReporting": {
-      "default": {
-        "logLevel": "warning"
-      }
-    }
-  },
   "tsdocMetadata": {
     "enabled": false
   }
diff --git a/api-extractor/js-utils.api.json b/api-extractor/js-utils.api.json
index c1b227a..7c2c558 100644
--- a/api-extractor/js-utils.api.json
+++ b/api-extractor/js-utils.api.json
@@ -194,7 +194,7 @@
               "text": "T"
             }
           ],
-          "fileUrlPath": "src/asType.ts",
+          "fileUrlPath": "dist/asType.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
@@ -248,7 +248,7 @@
               "text": "string"
             }
           ],
-          "fileUrlPath": "src/cleanUrlQueryString.ts",
+          "fileUrlPath": "dist/cleanUrlQueryString.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
@@ -316,7 +316,7 @@
               "text": "`/${string}`"
             }
           ],
-          "fileUrlPath": "src/constructUrl.ts",
+          "fileUrlPath": "dist/constructUrl.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 9,
             "endIndex": 10
@@ -357,7 +357,7 @@
               "text": "string"
             }
           ],
-          "fileUrlPath": "src/getAbsoluteUrl.ts",
+          "fileUrlPath": "dist/getAbsoluteUrl.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
@@ -403,7 +403,7 @@
               "text": "string | undefined"
             }
           ],
-          "fileUrlPath": "src/getFirstStringOrString.ts",
+          "fileUrlPath": "dist/getFirstStringOrString.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 4,
             "endIndex": 5
@@ -498,7 +498,7 @@
               "text": "NormalizedQueryType"
             }
           ],
-          "fileUrlPath": "src/getNormalizedQuery.ts",
+          "fileUrlPath": "dist/getNormalizedQuery.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 15,
             "endIndex": 16
@@ -566,7 +566,7 @@
               "text": "<Leaf>"
             }
           ],
-          "fileUrlPath": "src/getObjectValueByDotSeparatedKey.ts",
+          "fileUrlPath": "dist/getObjectValueByDotSeparatedKey.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 5,
             "endIndex": 7
@@ -620,7 +620,7 @@
               "text": "string"
             }
           ],
-          "fileUrlPath": "src/getRootRelativeUrl.ts",
+          "fileUrlPath": "dist/getRootRelativeUrl.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
@@ -661,7 +661,7 @@
               "text": "boolean"
             }
           ],
-          "fileUrlPath": "src/isNullOrWhitespace.ts",
+          "fileUrlPath": "dist/isNullOrWhitespace.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
@@ -702,7 +702,7 @@
               "text": "string"
             }
           ],
-          "fileUrlPath": "src/replaceArabicNumeralsWithPersianNumerals.ts",
+          "fileUrlPath": "dist/replaceArabicNumeralsWithPersianNumerals.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
@@ -743,7 +743,7 @@
               "text": "void"
             }
           ],
-          "fileUrlPath": "src/serverLog.ts",
+          "fileUrlPath": "dist/serverLog.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
@@ -784,7 +784,7 @@
               "text": "string"
             }
           ],
-          "fileUrlPath": "src/underscoreCaseToCamelCase.ts",
+          "fileUrlPath": "dist/underscoreCaseToCamelCase.d.ts",
           "returnTypeTokenRange": {
             "startIndex": 3,
             "endIndex": 4
diff --git a/eslint.config.js b/eslint.config.js
index 169a20a..2079472 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -1,17 +1,16 @@
 // We should be able to remove the @ts-expect-error and eslint-disable-next-line
 // once we fix the typing of @asl-19/eslint-config
 
-// @ts-expect-error (TODO: why is this happening?)
 import asl19 from "@asl-19/eslint-config";
 import { defineConfig } from "eslint/config";
 
-// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-const typedAsl19 =
-  /** @type {import("@asl-19/eslint-config/types/index")["default"]} */ (asl19);
+const typedAsl19 = /** @type {import("@asl-19/eslint-config")["default"]} */ (
+  asl19
+);
 
 const eslintConfig = defineConfig([
   {
-    ignores: ["dist/", "types/", ".yalc/"],
+    ignores: ["dist/", ".yalc/"],
   },
   {
     extends: [
diff --git a/package-lock.json b/package-lock.json
index ee03ba0..d510085 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,6 @@
       },
       "devDependencies": {
         "@asl-19/eslint-config": "^0.9.0",
-        "@asl-19/shared-package-configs": "^0.3.0",
         "@microsoft/api-documenter": "^7.26.29",
         "@microsoft/api-extractor": "^7.52.8",
         "@types/node": "^22.16.4",
@@ -68,13 +67,6 @@
         "eslint": "^9.22.0"
       }
     },
-    "node_modules/@asl-19/shared-package-configs": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/@asl-19/shared-package-configs/-/shared-package-configs-0.3.0.tgz",
-      "integrity": "sha512-yNU5cHCTIWSfgyBAKRQlRL8rwwmNGnVLjLDKDSnAnmTH31BeSio+3NcBbVx403ND+9vNxZX64FmIjmn+YVRr+g==",
-      "dev": true,
-      "license": "GPL-3.0-or-later"
-    },
     "node_modules/@eslint-community/eslint-utils": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.7.0.tgz",
diff --git a/package.json b/package.json
index ab54a1b..ffa51a1 100644
--- a/package.json
+++ b/package.json
@@ -41,27 +41,27 @@
     "api-extractor-check": "api-extractor run --verbose",
     "api-extractor-update": "api-extractor run --local --verbose && api-documenter markdown --input-folder ./api-extractor --output-folder ./docs",
     "build-lint-test": "npm-run-all -l -p tsc -s lint-test",
-    "rm-dist": "rm -rf dist",
+    "rm-dist": "rm -rf dist/*",
     "dev": "npm-run-all -l -s package-changed -p tsc-watch",
+    "dev-build-update": "npm-run-all -l -p package-changed rm-dist -s tsc api-extractor-update",
     "dev-lint-test": "run-s package-changed lint-test",
     "eslint-check": "eslint . --ext='js,ts,tsx'",
     "eslint-fix": "eslint . --ext='js,ts,tsx' --fix",
     "lint-test": "run-p -l api-extractor-check eslint-check prettier-check tsc-check",
     "package-changed": "package-changed",
     "prepublishOnly": "run-s rm-dist build-lint-test",
-    "prettier-check": "prettier --config prettier.config.js --check .",
-    "prettier-fix": "prettier --config prettier.config.js --write .",
+    "prettier-check": "prettier --check .",
+    "prettier-fix": "prettier --write .",
     "npm-check-updates": "npm-check-updates",
-    "tsc": "tsc --project tsconfig-esm.json",
-    "tsc-watch": "tsc --project tsconfig-esm.json --watch",
-    "tsc-check": "tsc --noEmit"
+    "tsc": "tsc --project tsconfig-dist.json",
+    "tsc-watch": "tsc --project tsconfig-dist.json --watch",
+    "tsc-check": "tsc --project tsconfig-dist.json --noEmit"
   },
   "dependencies": {
     "ts-pattern": "^5.7.1"
   },
   "devDependencies": {
     "@asl-19/eslint-config": "^0.9.0",
-    "@asl-19/shared-package-configs": "^0.3.0",
     "@microsoft/api-documenter": "^7.26.29",
     "@microsoft/api-extractor": "^7.52.8",
     "@types/node": "^22.16.4",
diff --git a/prettier.config.js b/prettier.config.js
index f93b56a..6e26202 100644
--- a/prettier.config.js
+++ b/prettier.config.js
@@ -1,3 +1,4 @@
+/** @type {import("prettier").Config} */
 const prettierConfig = {
   overrides: [
     {
diff --git a/tsconfig-dist.json b/tsconfig-dist.json
new file mode 100644
index 0000000..dd4b3c2
--- /dev/null
+++ b/tsconfig-dist.json
@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig.json",
+  "include": [
+    "src/**/*.ts*"
+  ]
+}
diff --git a/tsconfig-esm.json b/tsconfig-esm.json
deleted file mode 100644
index 5d6100a..0000000
--- a/tsconfig-esm.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "extends": "@asl-19/shared-package-configs/tsconfig-esm.json",
-  "compilerOptions": {
-    "outDir": "dist"
-  },
-  "include": [
-    "src/**/*.ts*"
-  ]
-}
diff --git a/tsconfig.json b/tsconfig.json
index 5c59cd3..bb20822 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,7 +1,13 @@
 {
-  "extends": "@asl-19/shared-package-configs/tsconfig-base.json",
   "compilerOptions": {
-    "outDir": "dist"
+    "allowJs": true,
+    "checkJs": true,
+    "declaration": true,
+    "incremental": true,
+    "module": "preserve",
+    "outDir": "dist",
+    "strict": true,
+    "target": "es2021"
   },
   "include": [
     "*.mjs",