I think it is OK now

output/twitter/output.ts

@@ -0,0 +1,82 @@
+import * as fc from "fast-check";
+export const getArbitraryQuery = (): fc.Arbitrary<any> =>
+  fc.record({
+    Tweet: getArbitraryTweet(),
+    Tweets: fc.array(getArbitraryTweet()),
+    TweetsMeta: getArbitraryMeta(),
+    User: getArbitraryUser(),
+    Notifications: fc.array(getArbitraryNotification()),
+    NotificationsMeta: getArbitraryMeta(),
+  });
+
+export const getArbitraryID = (): fc.Arbitrary<any> => fc.string();
+
+export const getArbitraryTweet = (): fc.Arbitrary<any> =>
+  fc.record({
+    id: getArbitraryID(),
+    body: getArbitraryString(),
+    date: getArbitraryDate(),
+    Author: getArbitraryUser(),
+    Stats: getArbitraryStat(),
+  });
+
+export const getArbitraryString = (): fc.Arbitrary<any> => fc.string();
+
+export const getArbitraryDate = (): fc.Arbitrary<any> => fc.string();
+
+export const getArbitraryUser = (): fc.Arbitrary<any> =>
+  fc.record({
+    id: getArbitraryID(),
+    username: getArbitraryString(),
+    first_name: getArbitraryString(),
+    last_name: getArbitraryString(),
+    full_name: getArbitraryString(),
+    name: getArbitraryString(),
+    avatar_url: getArbitraryUrl(),
+  });
+
+export const getArbitraryUrl = (): fc.Arbitrary<any> => fc.string();
+
+export const getArbitraryStat = (): fc.Arbitrary<any> =>
+  fc.record({
+    views: getArbitraryInt(),
+    likes: getArbitraryInt(),
+    retweets: getArbitraryInt(),
+    responses: getArbitraryInt(),
+  });
+
+export const getArbitraryInt = (): fc.Arbitrary<any> => fc.integer();
+
+export const getArbitraryMeta = (): fc.Arbitrary<any> =>
+  fc.record({ count: getArbitraryInt() });
+
+export const getArbitraryNotification = (): fc.Arbitrary<any> =>
+  fc.record({
+    id: getArbitraryID(),
+    date: getArbitraryDate(),
+    type: getArbitraryString(),
+  });
+
+export const getArbitraryMutation = (): fc.Arbitrary<any> =>
+  fc.record({
+    createTweet: getArbitraryTweet(),
+    deleteTweet: getArbitraryTweet(),
+    markTweetRead: getArbitraryBoolean(),
+  });
+
+export const getArbitraryBoolean = (): fc.Arbitrary<any> => fc.boolean();
+
+export const getArbitraryActionExecutionCapabilitySetting = (): fc.Arbitrary<
+  any
+> =>
+  fc.oneof(
+    fc.constant("ALL_ACTIONS"),
+    fc.constant("DISABLED"),
+    fc.constant("LOCAL_ACTIONS_ONLY"),
+    fc.constant("NO_POLICY")
+  );
+
+export const getArbitraryAddCommentInput = (): fc.Arbitrary<any> => fc.string();
+
+export const getArbitraryStatOrNotification = (): fc.Arbitrary<any> =>
+  fc.oneof(getArbitraryStat(), getArbitraryNotification());

test.sh

@@ -3,8 +3,14 @@
 # die if anything goes wrong
 set -euxo pipefail
 
-# remove old output so it doesn't get typechecked
-echo "export const a = 1" | tee ./output/output.ts
+# replace twitter output with something that typechecks
+echo "export const a = 1" | tee ./output/twitter/output.ts
+
+# replace github output with something that typechecks
+echo "export const a = 1" | tee ./output/github/output.ts
+
+# install shit
+yarn install
 
 # run tests
 yarn test
@@ -13,10 +19,16 @@ yarn test
 yarn build
 
 # run codegen basic
-yarn graphql-codegen --config ./test/codegen.yml
+yarn graphql-codegen --config ./test/twitter/codegen.yml
 
 # typecheck result
-yarn tsc --noEmit ./output/output.ts
+yarn tsc --noEmit ./output/twitter/output.ts
+
+# run codegen advanced
+yarn graphql-codegen --config ./test/github/codegen.yml
+
+# typecheck advanced result
+yarn tsc --noEmit ./output/github/output.ts
 
-# output some shit
+# output some shit (only from the basic one, the advanced one blows the stack)
 yarn ts-node ./output/test-output.ts

test/github/codegen.yml

@@ -0,0 +1,5 @@
+schema: ./test/github/github-schema.graphql
+# documents: './src/**/*.graphql'
+generates:
+  ./output/github/output.ts:
+    - ./dist/src/index.js

test/twitter/codegen.yml

@@ -0,0 +1,5 @@
+schema: ./test/twitter/twitter-schema.graphql
+# documents: './src/**/*.graphql'
+generates:
+  ./output/twitter/output.ts:
+    - ./dist/src/index.js