Pavel/add check types on prepack (#47)

* Fix types directive in package json; Add a command to check if types path is defined correctly

* Adjust lefthook config to exclude check-types.js file

* Adjust lefthook config

* test lefthook commit

* Revert test lefthook commit

Author: pavelflux

check-types.js

@@ -0,0 +1,27 @@
+const fs = require('fs');
+const path = require('path');
+
+// Load package.json
+const packageJsonPath = path.join(__dirname, 'package.json');
+const packageJson = require(packageJsonPath);
+
+// Get the "types" field from package.json
+const typesFilePath = packageJson.types;
+
+if (!typesFilePath) {
+  console.error('The "types" field is not defined in package.json.');
+  process.exit(1);
+}
+
+// Resolve the full path to the types file
+const typesFileFullPath = path.resolve(__dirname, typesFilePath);
+
+// Check if the file exists
+fs.access(typesFileFullPath, fs.constants.F_OK, (err) => {
+  if (err) {
+    console.error(`The types file '${typesFileFullPath}' does not exist.`);
+    process.exit(1);
+  } else {
+    console.log(`The types file '${typesFileFullPath}' exists.`);
+  }
+});

lefthook.yml

@@ -2,10 +2,10 @@ pre-commit:
   parallel: true
   commands:
     lint:
-      files: git diff --name-only @{push}
+      files: git diff --cached --name-only
       glob: "*.{js,ts,jsx,tsx}"
       run: npx eslint {files}
     types:
-      files: git diff --name-only @{push}
-      glob: "*.{js,ts, jsx, tsx}"
-      run: npx tsc --noEmit
+      files: git diff --cached --name-only
+      glob: "*.{ts,tsx}"
+      run: npx tsc --noEmit

package.json

@@ -1,10 +1,10 @@
 {
   "name": "@eppo/react-native-sdk",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "Eppo React Native SDK",
   "main": "lib/commonjs/index",
   "module": "lib/module/index",
-  "types": "lib/typescript/src/index.d.ts",
+  "types": "lib/typescript/index.d.ts",
   "react-native": "src/index",
   "source": "src/index",
   "files": [
@@ -31,9 +31,10 @@
     "test": "jest",
     "typecheck": "tsc --noEmit",
     "lint": "eslint \"**/*.{js,ts,tsx}\"",
-    "prepack": "bob build && cp -r package.json lib",
+    "prepack": "bob build && cp -r package.json lib && yarn check-types",
     "example": "yarn --cwd example",
-    "bootstrap": "yarn example && yarn install"
+    "bootstrap": "yarn example && yarn install",
+    "check-types": "node ./check-types.js"
   },
   "keywords": [
     "react-native",
@@ -146,4 +147,4 @@
       ]
     ]
   }
-}
+}