add typescript support

package-lock.json

@@ -248,6 +248,28 @@
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.6.tgz",
       "integrity": "sha512-3c+yGKvVP5Y9TYBEibGNR+kLtijnj7mYrXRg+WpFb2X9xm04g/DXYkfg4hmzJQosc9snFNUPkbYIhu+KAm6jJw=="
     },
+    "@types/node": {
+      "version": "14.14.10",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.10.tgz",
+      "integrity": "sha512-J32dgx2hw8vXrSbu4ZlVhn1Nm3GbeCFNw2FWL8S5QKucHGY0cyNwjdQdO+KMBZ4wpmC7KhLCiNsdk1RFRIYUQQ==",
+      "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": "17.0.0",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-17.0.0.tgz",
+      "integrity": "sha512-aj/L7RIMsRlWML3YB6KZiXB3fV2t41+5RBGYF8z+tAKU43Px8C3cYUZsDvf1/+Bm4FK21QWBrDutu8ZJ/70qOw==",
+      "dev": true,
+      "requires": {
+        "@types/prop-types": "*",
+        "csstype": "^3.0.2"
+      }
+    },
     "@webassemblyjs/ast": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.9.0.tgz",
@@ -1391,6 +1413,12 @@
         }
       }
     },
+    "csstype": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.0.5.tgz",
+      "integrity": "sha512-uVDi8LpBUKQj6sdxNaTetL6FpeCqTjOvAQuQUa/qAqq8oOd4ivkbhgnqayl0dnPal8Tb/yB1tF+gOvCBiicaiQ==",
+      "dev": true
+    },
     "cyclist": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cyclist/-/cyclist-1.0.1.tgz",
@@ -4831,6 +4859,12 @@
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
+    "typescript": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz",
+      "integrity": "sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==",
+      "dev": true
+    },
     "union-value": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",

package.json

@@ -11,5 +11,10 @@
     "next": "10.0.3",
     "react": "17.0.1",
     "react-dom": "17.0.1"
+  },
+  "devDependencies": {
+    "@types/node": "^14.14.10",
+    "@types/react": "^17.0.0",
+    "typescript": "^4.1.2"
   }
 }

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"
+  ]
+}