build: use ts verbatimModuleSyntax for future type erasure

Author: paulmillr

package.json

@@ -35,7 +35,7 @@
   "scripts": {
     "bench": "node benchmark/index.js noble",
     "bench:all": "node benchmark/index.js",
-    "build": "tsc && tsc -p tsconfig.esm.json",
+    "build": "tsc && tsc -p tsconfig.cjs.json",
     "lint": "prettier --check src",
     "format": "prettier --write src",
     "test": "node test/index.js",

tsconfig.cjs.json

@@ -0,0 +1,8 @@
+{
+  "extends": "@paulmillr/jsbt/tsconfig.cjs.json",
+  "compilerOptions": {
+    "outDir": "lib"
+  },
+  "include": ["index.ts", "src"],
+  "exclude": ["node_modules", "lib"]
+}

tsconfig.esm.json

@@ -1,8 +1,7 @@
 {
-  "extends": "@paulmillr/jsbt/tsconfig.cjs.json",
+  "extends": "@paulmillr/jsbt/tsconfig.esm.json",
   "compilerOptions": {
-    "outDir": "lib",
-    "isolatedDeclarations": true
+    "outDir": "lib/esm"
   },
   "include": ["index.ts", "src"],
   "exclude": ["node_modules", "lib"]