[NewErrors] 4.3.0-dev.20210314 vs 4.2.3

[typescript-bot]

The following errors were reported by 4.3.0-dev.20210314, but not by 4.2.3

microsoft/vscode

7 of 49 projects failed to build with the old tsc

extensions/vscode-custom-editor-tests/tsconfig.json

• error TS2339: Property 'document' does not exist on type 'never'.
  • extensions/vscode-custom-editor-tests/src/test/customEditor.test.ts#L277
  • extensions/vscode-custom-editor-tests/src/test/customEditor.test.ts#L285

cdr/code-server

10 of 51 projects failed to build with the old tsc

lib/vscode/extensions/html-language-features/server/tsconfig.json

• error TS2367: This condition will always return 'true' since the types 'Promise<import("/mnt/ts_downloads/code-server/lib/vscode/extensions/node_modules/typescript/lib/typescript").LanguageService>' and 'false' have no overlap.
  • lib/vscode/extensions/html-language-features/server/src/modes/javascriptMode.ts#L68

lib/vscode/extensions/typescript-language-features/tsconfig.json

• error TS2367: This condition will always return 'true' since the types 'Promise<import("/mnt/ts_downloads/code-server/lib/vscode/extensions/typescript-language-features/src/typescriptService").ServerResponse.Response<protocol.Response>>' and 'false' have no overlap.
  • lib/vscode/extensions/typescript-language-features/src/tsServer/server.ts#L362

lib/vscode/extensions/vscode-custom-editor-tests/tsconfig.json

• error TS2339: Property 'document' does not exist on type 'never'.
  • lib/vscode/extensions/vscode-custom-editor-tests/src/test/customEditor.test.ts#L277
  • lib/vscode/extensions/vscode-custom-editor-tests/src/test/customEditor.test.ts#L285

vercel/hyper

1 of 2 projects failed to build with the old tsc

tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • lib/components/tabs.tsx#L22 in tsconfig.json
• error TS2367: This condition will always return 'true' since the types 'Promise<void>' and 'false' have no overlap.
  • cli/index.ts#L189 in tsconfig.json

ReactiveX/rxjs

7 of 11 projects failed to build with the old tsc

src/tsconfig.cjs.spec.json

• error TS2769: No overload matches this call.
  • src/internal/operators/combineLatest.ts#L30
  • src/internal/operators/zip.ts#L81

src/tsconfig.esm5.rollup.json

• error TS2769: No overload matches this call.
  • src/internal/operators/combineLatest.ts#L30
  • src/internal/operators/zip.ts#L81

typeorm/typeorm

tsconfig.json

• error TS2367: This condition will always return 'true' since the types 'Promise<any>' and 'false' have no overlap.
  • src/driver/aurora-data-api-pg/AuroraDataApiPostgresQueryRunner.ts#L71
  • src/driver/cockroachdb/CockroachQueryRunner.ts#L89
  • src/driver/mysql/MysqlQueryRunner.ts#L75
  • src/driver/oracle/OracleQueryRunner.ts#L73
  • src/driver/postgres/PostgresQueryRunner.ts#L79

microsoft/playwright

2 of 4 projects failed to build with the old tsc

utils/generate_types/test/tsconfig.json

• error TS7053: Element implicitly has an 'any' type because expression of type '"pageTarget"' can't be used to index type 'BrowserContext'.
  • utils/generate_types/test/test.ts#L579
• error TS2322: Type 'true' is not assignable to type 'false'.
  • utils/generate_types/test/test.ts#L580

vuejs/vue-next

1 of 3 projects failed to build with the old tsc

test-dts/tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • packages/compiler-core/src/transforms/vFor.ts#L277

tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • packages/compiler-core/src/transforms/vFor.ts#L277

balena-io/etcher

1 of 2 projects failed to build with the old tsc

tsconfig.webpack.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • lib/gui/app/os/windows-network-drives.ts#L106

react-navigation/react-navigation

example/tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • packages/elements/src/ResourceSavingView.tsx#L20 in packages/elements/tsconfig.json

tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • packages/elements/src/ResourceSavingView.tsx#L20 in tsconfig.json
• error TS2321: Excessive stack depth comparing types 'EventMapping<T[number]>' and 'EventMapping<T>'.
  • packages/drawer/src/views/Drawer.tsx#L501 in tsconfig.json

excalidraw/excalidraw

1 of 2 projects failed to build with the old tsc

tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • src/components/ColorPicker.tsx#L139

vadimdemedes/ink

1 of 2 projects failed to build with the old tsc

tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • src/components/Static.tsx#L61

rome/tools

tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • internal/core/server/lsp/protocol.ts#L30

sindresorhus/refined-github

tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • source/github-helpers/index.ts#L64

infinitered/ignite

boilerplate/tsconfig.json

• error TS2321: Excessive stack depth comparing types 'FlatArray<Arr, ?>' and 'FlatArray<Arr, ?>'.
  • boilerplate/app/screens/demo/demo-list-screen.tsx#L70

[RyanCavanaugh]

Let's track at #43249