chore: update typescript

Author: felixfbecker

.vscode/tasks.json

@@ -6,7 +6,17 @@
     {
       "type": "npm",
       "script": "eslint",
-      "problemMatcher": ["$eslint-stylish"]
-    }
-  ]
+      "problemMatcher": ["$eslint-stylish"],
+    },
+    {
+      "type": "npm",
+      "script": "watch:typecheck",
+      "problemMatcher": ["$tsc-watch"],
+      "group": "build",
+      "isBackground": true,
+      "runOptions": {
+        "runOn": "folderOpen",
+      },
+    },
+  ],
 }

package.json

@@ -128,7 +128,7 @@
     "source-map-support": "^0.5.10",
     "sourcegraph": "^23.0.0",
     "ts-node": "^8.0.2",
-    "typescript": "^3.3.3333"
+    "typescript": "^3.8.3"
   },
   "dependencies": {
     "ignore": "^5.0.5",

tsconfig.json

@@ -1,5 +1,5 @@
 {
-  "extends": "./node_modules/@sourcegraph/tsconfig/tsconfig.json",
+  "extends": "@sourcegraph/tsconfig",
   "compilerOptions": {
     "target": "es2018",
     "module": "esnext",
@@ -12,6 +12,6 @@
     "noEmit": true,
     "declaration": false,
     "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true
-  }
+    "allowSyntheticDefaultImports": true,
+  },
 }

yarn.lock

@@ -7483,10 +7483,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.3.3333:
-  version "3.6.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.2.tgz#105b0f1934119dde543ac8eb71af3a91009efe54"
-  integrity sha512-lmQ4L+J6mnu3xweP8+rOrUwzmN+MRAj7TgtJtDaXE5PMyX2kCrklhg3rvOsOIfNeAWMQWO2F1GPc1kMD2vLAfw==
+typescript@^3.8.3:
+  version "3.8.3"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
+  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
 
 uglify-js@^3.1.4:
   version "3.4.9"