add typescript support to next

next-env.d.ts

@@ -0,0 +1,2 @@
+/// <reference types="next" />
+/// <reference types="next/types/global" />

package-lock.json

@@ -2190,6 +2190,30 @@
       "integrity": "sha512-IkVfat549ggtkZUthUzEX49562eGikhSYeVGX97SkMFn+sTZrgRewXjQ4tPKFPCykZHkX1Zfd9OoELGqKU2jJA==",
       "dev": true
     },
+    "@types/prop-types": {
+      "version": "15.7.3",
+      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.3.tgz",
+      "integrity": "sha512-KfRL3PuHmqQLOG+2tGpRO26Ctg+Cq1E01D2DMriKEATHgWLfeNDmq9e29Q9WIky0dQ3NPkd1mzYH8Lm936Z9qw==",
+      "dev": true
+    },
+    "@types/react": {
+      "version": "16.9.48",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-16.9.48.tgz",
+      "integrity": "sha512-4ykBVswgYitPGMXFRxJCHkxJDU2rjfU3/zw67f8+dB7sNdVJXsrwqoYxz/stkAucymnEEbRPFmX7Ce5Mc/kJCw==",
+      "dev": true,
+      "requires": {
+        "@types/prop-types": "*",
+        "csstype": "^3.0.2"
+      },
+      "dependencies": {
+        "csstype": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.0.3.tgz",
+          "integrity": "sha512-jPl+wbWPOWJ7SXsWyqGRk3lGecbar0Cb0OvZF/r/ZU011R4YqiRehgkQ9p4eQfo9DSDLqLL3wHwfxeJiuIsNag==",
+          "dev": true
+        }
+      }
+    },
     "@types/stack-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-1.0.1.tgz",
@@ -11373,6 +11397,12 @@
         "is-typedarray": "^1.0.0"
       }
     },
+    "typescript": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.2.tgz",
+      "integrity": "sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==",
+      "dev": true
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",

package.json

@@ -21,12 +21,14 @@
     "uuid": "^8.3.0"
   },
   "devDependencies": {
+    "@types/react": "^16.9.48",
     "babel-jest": "^26.3.0",
     "eslint": "^7.6.0",
     "eslint-plugin-react": "^7.20.6",
     "jest": "^26.4.0",
     "postcss-flexbugs-fixes": "^4.2.1",
     "postcss-preset-env": "^6.7.0",
-    "tailwindcss": "^1.6.2"
+    "tailwindcss": "^1.6.2",
+    "typescript": "^4.0.2"
   }
 }

tsconfig.json

@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve"
+  },
+  "include": [
+    "next-env.d.ts",
+    "**/*.ts",
+    "**/*.tsx"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}