Add a separate tsconfig for excluding tests/mocks from builds, while leaving them for type checks

package.json

@@ -4,8 +4,8 @@
   "description": "",
   "main": "dist/index.js",
   "scripts": {
-    "build:dev": "npm install --include=dev && npm run generate && tsc",
+    "build:dev": "npm install --include=dev && npm run generate && tsc --project tsconfig.build.json",
-    "build": "npm install --include=dev && npm run generate && tsc && npm prune --omit=dev",
+    "build": "npm install --include=dev && npm run generate && tsc --project tsconfig.build.json && npm prune --omit=dev",
     "start:dev": "npm run build:dev && node ./dist/index.js",
     "start": "npm run build && node ./dist/index.js",
     "generate": "graphql-codegen --config codegen.ts",

tsconfig.build.json

@@ -0,0 +1,15 @@
+// For builds, excludes tests and mocks
+{
+  "compilerOptions": {
+    "target": "es2016",
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "outDir": "dist",
+    "sourceMap": true
+  },
+  "include": ["src"],
+  "exclude": ["**/__tests__/*/**", "**/__mocks__/*/**"]
+}

tsconfig.json

@@ -1,3 +1,4 @@
+// For type-checking, includes tests and mocks
 {
   "compilerOptions": {
     "target": "es2016",
@@ -10,5 +11,4 @@
     "sourceMap": true
   },
   "include": ["src"],
-  "exclude": ["**/__tests__/*/**", "**/__mocks__/*/**"]
 }