Remove flowtype entirely

.babelrc.js

@@ -2,7 +2,6 @@ module.exports = {
   presets: [['@babel/preset-env', { targets: { node: '12' } }]],
   plugins: [
     './resources/load-statically-from-npm.js',
-    '@babel/plugin-transform-flow-strip-types',
   ],
   overrides: [
     {

.prettierignore

@@ -1,8 +1,4 @@
 # Copied from '.gitignore', please keep it in sync.
 dist
 node_modules
-coverage
-
-# Ingore flow files
-flow-typed
-resources/interfaces
+coverage

cspell.json

@@ -6,7 +6,6 @@
     "node_modules",
     "coverage",
     "dist",
-    "flow-typed",
     "__tests__",
 
     // Excluded from spelling check

package.json

@@ -53,9 +53,7 @@
     "prettier": "prettier --write --list-different .",
     "prettier:check": "prettier --check .",
     "check:spelling": "cspell '**/*'",
-    "check": "flow check",
-    "build": "rm -rf dist/* && babel src --ignore __tests__ --out-dir dist && npm run build:flow",
-    "build:flow": "find ./src -name '*.js' -not -path '*/__tests__*' | while read filepath; do cp $filepath `echo $filepath | sed 's/\\/src\\//\\/dist\\//g'`.flow; done",
+    "build": "rm -rf dist/* && babel src --ignore __tests__ --out-dir dist",
     "watch": "node resources/watch.js",
     "preversion": "npm test",
     "start": "node -r ./resources/register.js examples/index.ts"
@@ -67,7 +65,6 @@
   "devDependencies": {
     "@babel/cli": "^7.14.8",
     "@babel/core": "^7.14.8",
-    "@babel/plugin-transform-flow-strip-types": "^7.14.5",
     "@babel/preset-env": "^7.14.9",
     "@babel/register": "^7.14.5",
     "@types/chai": "^4.2.21",
@@ -89,13 +86,11 @@
     "cspell": "^4.2.2",
     "downlevel-dts": "^0.7.0",
     "eslint": "^7.31.0",
-    "eslint-plugin-flowtype": "^5.9.0",
     "eslint-plugin-import": "^2.23.4",
     "eslint-plugin-internal-rules": "file:./resources/eslint-internal-rules",
     "eslint-plugin-istanbul": "^0.1.2",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^3.1.3",
-    "flow-bin": "^0.123.0",
     "graphiql": "^1.4.2",
     "graphql": "^15.7.2",
     "koa": "^2.11.0",