build: improve how the tsconfig is handled for builds to better handle test ts checking.

Author: Codex-

.eslintrc.json

@@ -2,7 +2,7 @@
   "plugins": ["import", "prettier"],
   "extends": ["airbnb-typescript/base", "prettier"],
   "parserOptions": {
-    "project": "./tsconfig.test.json"
+    "project": "./tsconfig.json"
   },
   "ignorePatterns": [
     "lib/__fixtures__/**/*.ts",

jest.config.ts

@@ -6,7 +6,7 @@ const config: Config.InitialOptions = {
   ],
   globals: {
     "ts-jest": {
-      tsconfig: "tsconfig.test.json",
+      tsconfig: "tsconfig.json",
     },
   },
   moduleFileExtensions: ["ts", "js"],

package.json

@@ -18,7 +18,8 @@
     "url": "https://github.com/Codex-/cosmiconfig-typescript-loader/issues"
   },
   "scripts": {
-    "build": "tsc",
+    "build": "tsc -p tsconfig.build.json",
+    "build:types": "tsc",
     "format:check": "prettier --check \"{**/*,*}.{js,ts}\"",
     "format:write": "npm run format:check -- --write",
     "lint": "eslint --ext \".js,.ts\" .",

tsconfig.build.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "noEmit": false,
+    "sourceMap": false
+  },
+  "exclude": ["**/__fixtures__/**/*", "**/*.spec.*"]
+}

tsconfig.json

@@ -2,8 +2,9 @@
   "compilerOptions": {
     "target": "es2016",
     "module": "commonjs",
+    "noEmit": true,
     "pretty": true,
-    "sourceMap": false,
+    "sourceMap": true,
     "declaration": true,
 
     "outDir": "dist",
@@ -15,5 +16,5 @@
     "strict": true
   },
   "include": ["lib"],
-  "exclude": ["**/__fixtures__/**/*", "**/*.spec.*"]
+  "exclude": ["**/__fixtures__/**/*"]
 }