fix: build

jest.config.js

@@ -1,4 +1,4 @@
 module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'node',
-};
+  preset: "ts-jest",
+  testEnvironment: "node",
+};

package.json

@@ -6,32 +6,30 @@
   "author": "Mikołaj Klaman <mklaman@virtuslab.com>",
   "license": "MIT",
   "private": false,
-  "main": "dist/main/index.js",
-  "module": "dist/module/index.js",
-  "esnext": "dist/esnext/index.js",
-  "typings": "dist/main/index.d.ts",
+  "main": "dist/index.js",
+  "typings": "dist/index.d.ts",
+  "files": [
+    "dist",
+    "src"
+  ],
   "engines": {
     "node": "12.18.x",
     "yarn": "1.22.x"
   },
-  "files": [
-    "dist"
-  ],
   "keywords": [
     "react",
     "typescript",
     "forms",
     "validation"
   ],
   "scripts": {
-    "clean": "rm -rf ./dist",
-    "clean:all": "yarn clean && rm -rf ./node_modules",
-    "build": "yarn build:commonjs && yarn build:module && yarn build:esnext",
-    "build:commonjs": "tsc -p ./tsconfig.commonjs.json",
-    "build:module": "tsc -p ./tsconfig.module.json",
-    "build:esnext": "tsc -p ./tsconfig.esnext.json",
-    "lint": "eslint 'src/**/*.{ts,tsx}' --fix",
-    "test": "jest",
+    "start": "tsdx watch",
+    "build": "tsdx build",
+    "test": "tsdx test",
+    "lint": "tsdx lint",
+    "prepare": "tsdx build",
+    "size": "size-limit",
+    "analyze": "size-limit --why",
     "release": "standard-version --releaseCommitMessageFormat \"chore(release): {{currentTag}} [ci skip]\""
   },
   "husky": {
@@ -50,30 +48,50 @@
       "prettier --write"
     ]
   },
+  "size-limit": [
+    {
+      "path": "dist/tsdx-example.cjs.production.min.js",
+      "limit": "10 KB"
+    },
+    {
+      "path": "dist/tsdx-example.esm.js",
+      "limit": "10 KB"
+    }
+  ],
   "devDependencies": {
     "@commitlint/cli": "^11.0.0",
     "@commitlint/config-conventional": "^11.0.0",
+    "@size-limit/preset-small-lib": "^4.9.2",
     "@testing-library/react-hooks": "^3.4.2",
     "@types/jest": "~26.0.14",
     "@types/react": "^16.9.50",
-    "@typescript-eslint/eslint-plugin": "^4.1.1",
-    "@typescript-eslint/parser": "^4.1.1",
+    "@typescript-eslint/eslint-plugin": "^4.6.1",
+    "@typescript-eslint/parser": "^4.6.1",
+    "babel-jest": "26.6.3",
     "conditional-type-checks": "^1.0.5",
     "eslint": "^7.9.0",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-import": "^2.22.0",
-    "husky": ">=4",
+    "husky": "4.0.0",
     "jest": "~26.4.2",
     "lint-staged": ">=10",
     "prettier": "^2.1.2",
     "react": "^16.13.1",
     "react-test-renderer": "^16.13.1",
+    "size-limit": "^4.9.2",
     "standard-version": "^9.0.0",
     "ts-jest": "~26.3.0",
-    "typescript": "^4.0.2",
+    "tsdx": "^0.14.1",
+    "tslib": "^2.1.0",
+    "typescript": "^4.0.5",
     "yarn": "^1.22.5"
   },
   "peerDependencies": {
     "react": "^16.8.0"
+  },
+  "resolutions": {
+    "**/typescript": "^4.0.5",
+    "**/@typescript-eslint/eslint-plugin": "^4.6.1",
+    "**/@typescript-eslint/parser": "^4.6.1"
   }
 }

src/core/helpers/resolve-touched.ts

@@ -19,4 +19,4 @@ const isBool = (it: unknown): it is boolean => typeof it === "boolean";
 const isArray = Array.isArray;
 
 const isRecord = (it: unknown): it is Record<string, TouchedValues<any>> =>
-  it && typeof it === "object" && !Array.isArray(it);
+  !!(it && typeof it === "object" && !Array.isArray(it))

tsconfig.json

@@ -1,39 +1,35 @@
 {
+  // see https://www.typescriptlang.org/tsconfig to better understand tsconfigs
+  "include": ["src", "types"],
   "compilerOptions": {
-    "incremental": true,
-    "rootDir": "src",
-    "moduleResolution": "node",
+    "module": "esnext",
+    "lib": ["dom", "esnext"],
+    "importHelpers": true,
+    // output .d.ts declaration files for consumers
     "declaration": true,
-    "inlineSourceMap": true,
-    "esModuleInterop": true,
-    "resolveJsonModule": true,
-    "jsx": "react",
-
+    // output .js.map sourcemap files for consumers
+    "sourceMap": true,
+    // match output dir to input dir. e.g. dist/index instead of dist/src/index
+    "rootDir": "./src",
+    // stricter type-checking for stronger correctness. Recommended by TS
     "strict": true,
-    "noImplicitAny": true,
-    "strictNullChecks": true,
-    "strictFunctionTypes": true,
-    "strictPropertyInitialization": true,
-    "noImplicitThis": true,
-    "alwaysStrict": true,
-
+    // linter checks for common issues
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    // noUnused* overlap with @typescript-eslint/no-unused-vars, can disable if duplicative
     "noUnusedLocals": true,
     "noUnusedParameters": true,
-    "noImplicitReturns": false,
-    "noFallthroughCasesInSwitch": false,
-
-    "traceResolution": false,
-    "listEmittedFiles": false,
-    "listFiles": false,
-    "pretty": true,
-
-    "experimentalDecorators": false,
-    "emitDecoratorMetadata": false,
-
-    "lib": ["es2017", "dom"],
-    "target": "ES2017"
-  },
-  "include": ["src/**/*"],
-  "exclude": ["node_modules/**"],
-  "compileOnSave": false
+    // use Node's module resolution algorithm, instead of the legacy TS one
+    "moduleResolution": "node",
+    // transpile JSX to React.createElement
+    "jsx": "react",
+    // interop between ESM and CJS modules. Recommended by TS
+    "esModuleInterop": true,
+    // significant perf increase by skipping checking .d.ts files, particularly those in node_modules. Recommended by TS
+    "skipLibCheck": true,
+    // error out if import and file system have a casing mismatch. Recommended by TS
+    "forceConsistentCasingInFileNames": true,
+    // `tsdx build` ignores this option, but it is commonly used when type-checking separately with `tsc`
+    "noEmit": true,
+  }
 }