Flow: remove @flow strict annotations (#308)

.eslintrc.yml

@@ -1,70 +1,20 @@
 parser: babel-eslint
 parserOptions:
-  sourceType: module
+  sourceType: script
+  ecmaVersion: 2020
 env:
   es6: true
   node: true
 reportUnusedDisableDirectives: true
 plugins:
-  - flowtype
   - node
   - istanbul
   - import
 settings:
-  flowtype:
-    onlyFilesWithFlowAnnotation: true
   node:
     tryExtensions: ['.js', '.json', '.node', '.ts', '.d.ts']
 
 rules:
-  ##############################################################################
-  # `eslint-plugin-flowtype` rule list based on `v5.1.x`
-  # https://github.com/gajus/eslint-plugin-flowtype#eslint-plugin-flowtype
-  ##############################################################################
-
-  flowtype/array-style-complex-type: error
-  flowtype/array-style-simple-type: error
-  flowtype/define-flow-type: error
-  flowtype/newline-after-flow-annotation: error
-  flowtype/no-dupe-keys: error
-  flowtype/no-existential-type: off # checked by Flow
-  flowtype/no-flow-fix-me-comments: off
-  flowtype/no-mixed: off
-  flowtype/no-mutable-array: off
-  flowtype/no-primitive-constructor-types: error
-  flowtype/no-types-missing-file-annotation: error
-  flowtype/no-unused-expressions: off
-  flowtype/no-weak-types: [error, { any: false }]
-  flowtype/require-compound-type-alias: off
-  flowtype/require-exact-type: off
-  flowtype/require-indexer-name: error
-  flowtype/require-inexact-type: off # checked by Flow
-  flowtype/require-parameter-type: off
-  flowtype/require-readonly-react-props: off
-  flowtype/require-return-type: off
-  flowtype/require-types-at-top: off
-  flowtype/require-valid-file-annotation:
-    [error, always, { annotationStyle: line, strict: true }]
-  flowtype/require-variable-type: off
-  flowtype/sort-keys: off
-  flowtype/spread-exact-type: off
-  flowtype/type-id-match: [error, '^[A-Z]']
-  flowtype/type-import-style: [error, declaration]
-  flowtype/use-flow-type: error
-
-  # Bellow rules are disabled because coflicts with Prettier, see:
-  # https://github.com/prettier/eslint-config-prettier/blob/master/flowtype.js
-  flowtype/arrow-parens: off
-  flowtype/boolean-style: off
-  flowtype/delimiter-dangle: off
-  flowtype/generic-spacing: off
-  flowtype/object-type-delimiter: off
-  flowtype/semi: off
-  flowtype/space-after-type-colon: off
-  flowtype/space-before-generic-bracket: off
-  flowtype/space-before-type-colon: off
-  flowtype/union-intersection-spacing: off
-
   ##############################################################################
   # `eslint-plugin-istanbul` rule list based on `v0.1.1`
   # https://github.com/istanbuljs/eslint-plugin-istanbul#rules
@@ -470,17 +420,70 @@ rules:
   yield-star-spacing: off
 
 overrides:
+  - files: 'src/**/*.js'
+    parser: babel-eslint
+    parserOptions:
+      sourceType: module
+    plugins:
+      - flowtype
+
+    rules:
+      ##############################################################################
+      # `eslint-plugin-flowtype` rule list based on `v5.1.x`
+      # https://github.com/gajus/eslint-plugin-flowtype#eslint-plugin-flowtype
+      ##############################################################################
+
+      flowtype/array-style-complex-type: error
+      flowtype/array-style-simple-type: error
+      flowtype/define-flow-type: error
+      flowtype/newline-after-flow-annotation: error
+      flowtype/no-dupe-keys: error
+      flowtype/no-existential-type: off # checked by Flow
+      flowtype/no-flow-fix-me-comments: off
+      flowtype/no-mixed: off
+      flowtype/no-mutable-array: off
+      flowtype/no-primitive-constructor-types: error
+      flowtype/no-types-missing-file-annotation: off
+      flowtype/no-unused-expressions: off
+      flowtype/no-weak-types: [error, { any: false }]
+      flowtype/require-compound-type-alias: off
+      flowtype/require-exact-type: off
+      flowtype/require-indexer-name: error
+      flowtype/require-inexact-type: off # checked by Flow
+      flowtype/require-parameter-type: off
+      flowtype/require-readonly-react-props: off
+      flowtype/require-return-type: off
+      flowtype/require-types-at-top: off
+      flowtype/require-valid-file-annotation: off
+      flowtype/require-variable-type: off
+      flowtype/sort-keys: off
+      flowtype/spread-exact-type: off
+      flowtype/type-id-match: [error, '^[A-Z]']
+      flowtype/type-import-style: [error, declaration]
+      flowtype/use-flow-type: error
+
+      # Bellow rules are disabled because coflicts with Prettier, see:
+      # https://github.com/prettier/eslint-config-prettier/blob/master/flowtype.js
+      flowtype/arrow-parens: off
+      flowtype/boolean-style: off
+      flowtype/delimiter-dangle: off
+      flowtype/generic-spacing: off
+      flowtype/object-type-delimiter: off
+      flowtype/semi: off
+      flowtype/space-after-type-colon: off
+      flowtype/space-before-generic-bracket: off
+      flowtype/space-before-type-colon: off
+      flowtype/union-intersection-spacing: off
   - files: '**/*.ts'
     parser: '@typescript-eslint/parser'
     parserOptions:
+      sourceType: module
       project: ['tsconfig.json']
     plugins:
       - '@typescript-eslint'
     extends:
       - plugin:import/typescript
     rules:
-      flowtype/no-types-missing-file-annotation: off
-
       ##########################################################################
       # `@typescript-eslint/eslint-plugin` rule list based on `v3.5.x`
       ##########################################################################

src/__tests__/starWarsConnectionTests.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { expect } from 'chai';
 import { describe, it } from 'mocha';
 import { graphqlSync } from 'graphql';

src/__tests__/starWarsData.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 /**
  * This defines a basic set of data for our Star Wars Schema.
  *

src/__tests__/starWarsMutationTests.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { expect } from 'chai';
 import { describe, it } from 'mocha';
 import { graphqlSync } from 'graphql';

src/__tests__/starWarsObjectIdentificationTests.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { expect } from 'chai';
 import { describe, it } from 'mocha';
 import { graphqlSync } from 'graphql';

src/__tests__/starWarsSchema.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import {
   GraphQLID,
   GraphQLNonNull,

src/connection/__tests__/arrayconnection.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { describe, it } from 'mocha';
 import { expect } from 'chai';
 

src/connection/__tests__/connection.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { expect } from 'chai';
 import { describe, it } from 'mocha';
 import {

src/connection/arrayconnection.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { base64, unbase64 } from '../utils/base64';
 
 import type {

src/connection/connection.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import {
   GraphQLBoolean,
   GraphQLInt,

src/connection/connectiontypes.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 /**
  * An flow type alias for cursors in this implementation.
  */

src/index.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 // Flow types for creating connection types in the schema
 export type {
   Connection,

src/mutation/__tests__/mutation.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { describe, it } from 'mocha';
 import { expect } from 'chai';
 

src/mutation/mutation.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import {
   GraphQLInputObjectType,
   GraphQLNonNull,

src/node/__tests__/global.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { describe, it } from 'mocha';
 import { expect } from 'chai';
 

src/node/__tests__/node.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { describe, it } from 'mocha';
 import { expect } from 'chai';
 

src/node/__tests__/nodeasync.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { describe, it } from 'mocha';
 import { expect } from 'chai';
 

src/node/__tests__/plural.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { describe, it } from 'mocha';
 import { expect } from 'chai';
 

src/node/node.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import {
   GraphQLInterfaceType,
   GraphQLList,

src/node/plural.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { GraphQLList, GraphQLNonNull, getNullableType } from 'graphql';
 
 import type {

src/utils/__tests__/base64.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 import { describe, it } from 'mocha';
 import { expect } from 'chai';
 

src/utils/base64.js

@@ -1,5 +1,3 @@
-// @flow strict
-
 export type Base64String = string;
 
 export function base64(i: string): Base64String {