chore(compiler): remove some unused code

[alicewriteswrongs]

I don't believe that these files are used anywhere, and Stencil builds just fine without them.

What is the current behavior?

We have these two extra files hanging around! Nothing imports them, and as far as I can tell they aren't used for anything.

What is the new behavior?

DELETE DELETE DELETE

Does this introduce a breaking change?

• Yes
• No

Testing

I ran some builds of framework just to confirm that nothing was broken - good to test that thoroughly!

[github-actions]

--strictNullChecks error report

Typechecking with --strictNullChecks resulted in 1587 errors on this branch.

That's the same number of errors on main, so at least we're not creating new ones!

reports and statistics

Our most error-prone files

Path	Error Count
src/dev-server/index.ts	37
src/mock-doc/serialize-node.ts	36
src/dev-server/server-process.ts	32
src/compiler/prerender/prerender-main.ts	29
src/compiler/build/build-stats.ts	27
src/compiler/output-targets/dist-lazy/generate-lazy-module.ts	26
src/compiler/style/test/optimize-css.spec.ts	23
src/runtime/vdom/vdom-render.ts	23
src/testing/puppeteer/puppeteer-element.ts	23
src/utils/test/message-utils.spec.ts	21
src/runtime/client-hydrate.ts	19
src/screenshot/connector-base.ts	19
src/compiler/bundle/dev-module.ts	17
src/compiler/config/test/validate-paths.spec.ts	16
src/compiler/sys/stencil-sys.ts	15
src/dev-server/request-handler.ts	15
src/sys/node/node-sys.ts	15
src/compiler/prerender/prerender-optimize.ts	14
src/compiler/style/css-parser/serialize-css.ts	14
src/compiler/transpile/transpile-module.ts	14

Our most common errors

Typescript Error Code	Count	Error messages
TS2322	472	Error messages Type 'string | null | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'boolean | null | undefined' is not assignable to type 'boolean | undefined'. Type 'null' is not assignable to type 'boolean | undefined'. Type 'undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'ComponentConstructor | Promise'. Type '({ type: "chunk"; fileName: string; map: SourceMap | undefined; code: string; moduleFormat: ModuleFormat | undefined; entryKey: string; imports: string[]; isEntry: boolean; ... 4 more ...; content?: undefined; } | { ...; })[]' is not assignable to type 'RollupResult[]'. Type '{ type: "chunk"; fileName: string; map: SourceMap | undefined; code: string; moduleFormat: ModuleFormat | undefined; entryKey: string; imports: string[]; isEntry: boolean; ... 4 more ...; content?: undefined; } | { ...; }' is not assignable to type 'RollupResult'. Type '{ type: "chunk"; fileName: string; map: SourceMap | undefined; code: string; moduleFormat: ModuleFormat | undefined; entryKey: string; imports: string[]; isEntry: boolean; ... 4 more ...; content?: undefined; }' is not assignable to type 'RollupResult'. Type '{ type: "chunk"; fileName: string; map: SourceMap | undefined; code: string; moduleFormat: ModuleFormat | undefined; entryKey: string; imports: string[]; isEntry: boolean; ... 4 more ...; content?: undefined; }' is not assignable to type 'RollupChunkResult'. Types of property 'moduleFormat' are incompatible. Type 'ModuleFormat | undefined' is not assignable to type 'ModuleFormat'. Type 'undefined' is not assignable to type 'ModuleFormat'. Type 'null' is not assignable to type 'CompilerBuildResults'. Type 'null' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'Document'. Type 'null' is not assignable to type 'Promise'. Type 'null' is not assignable to type 'LoggerTimeSpan'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'boolean | undefined' is not assignable to type 'boolean'. Type 'number | undefined' is not assignable to type 'number'. Type 'undefined' is not assignable to type 'number'. Type 'boolean | "prod" | undefined' is not assignable to type 'boolean | "prod"'. Type 'undefined' is not assignable to type 'boolean | "prod"'. Type 'BuildResultsComponentGraph | undefined' is not assignable to type 'BuildResultsComponentGraph'. Type 'undefined' is not assignable to type 'BuildResultsComponentGraph'. Type 'RollupResults | undefined' is not assignable to type 'RollupResults'. Type 'undefined' is not assignable to type 'RollupResults'. Type '{ name: string | undefined; source: string; tags: any[]; }[]' is not assignable to type '{ name: string; source: string; tags: string[]; }[]'. Type '{ name: string | undefined; source: string; tags: any[]; }' is not assignable to type '{ name: string; source: string; tags: string[]; }'. Types of property 'name' are incompatible. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'null' is not assignable to type 'CompilerWorkerContext'. Type 'null' is not assignable to type 'WatchOfConfigFile'. Type 'null' is not assignable to type 'Promise<(void | void[])[]>'. Type 'Promise<(void | void[] | null)[]>' is not assignable to type 'Promise<(void | void[])[]>'. Type '(void | void[] | null)[]' is not assignable to type '(void | void[])[]'. Type 'void | void[] | null' is not assignable to type 'void | void[]'. Type 'null' is not assignable to type 'void | void[]'. Type 'null' is not assignable to type '{ program: WatchOfConfigFile; rebuild: () => void; }'. Type '(this: PluginContext, importee: string, importer: string) => Promise' is not assignable to type 'ResolveIdHook'. Types of parameters 'importer' and 'importer' are incompatible. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type '(this: PluginContext, importee: string, importer: string) => Promise' is not assignable to type 'ResolveIdHook'. Types of parameters 'importer' and 'importer' are incompatible. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'string | null' is not assignable to type 'string'. Type 'null' is not assignable to type 'string'. Type 'null' is not assignable to type 'string | undefined'. Type '{ code: string; exports: string[]; workerMsgId: string; dependencies: string[]; } | null' is not assignable to type 'WorkerMeta | undefined'. Type 'null' is not assignable to type 'WorkerMeta | undefined'. Type 'WorkerMeta | undefined' is not assignable to type 'WorkerMeta'. Type 'undefined' is not assignable to type 'WorkerMeta'. Type 'CompilerSystem | undefined' is not assignable to type 'CompilerSystem'. Type 'undefined' is not assignable to type 'CompilerSystem'. Type 'Logger | undefined' is not assignable to type 'Logger'. Type 'undefined' is not assignable to type 'Logger'. Type 'import("/home/runner/work/stencil/stencil/src/compiler/cache").Cache' is not assignable to type 'import("/home/runner/work/stencil/stencil/src/declarations/stencil-private").Cache'. The types returned by 'get(...)' are incompatible between these types. Type 'Promise<string | null>' is not assignable to type 'Promise'. Type 'null' is not assignable to type 'ValidatedConfig'. Type 'null' is not assignable to type 'Config'. Type 'null' is not assignable to type 'string[]'. Type '{ dir: string; buildDir: string; collectionDir: string | null; typesDir: string; esmLoaderPath: string; copy: d.CopyTask[]; polyfills: boolean | undefined; empty: boolean; transformAliasedImportPathsInCollection: boolean; isPrimaryPackageOutputTarget: boolean; type: "dist"; }' is not assignable to type 'Required'. Types of property 'polyfills' are incompatible. Type 'boolean | undefined' is not assignable to type 'boolean'. Type 'null' is not assignable to type 'number | undefined'. Type 'null' is not assignable to type 'HistoryApiFallback | undefined'. Type 'null' is not assignable to type 'CopyTask[] | undefined'. Type '{ dirPath: string; filePath: string; fileName: string; readmePath: string; usagesDir: string; tag: string; readme: string | undefined; overview: string; usage: JsonDocsUsage; ... 13 more ...; listeners: JsonDocsListener[]; }[]' is not assignable to type 'JsonDocsComponent[]'. Type '{ dirPath: string; filePath: string; fileName: string; readmePath: string; usagesDir: string; tag: string; readme: string | undefined; overview: string; usage: d.JsonDocsUsage; docs: string; ... 12 more ...; listeners: d.JsonDocsListener[]; }' is not assignable to type 'JsonDocsComponent'. Types of property 'readme' are incompatible. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'string[] | undefined' is not assignable to type 'string[]'. Type 'undefined' is not assignable to type 'string[]'. Type '(ComponentCompilerMeta | undefined)[]' is not assignable to type 'ComponentCompilerMeta[]'. Type 'ComponentCompilerMeta | undefined' is not assignable to type 'ComponentCompilerMeta'. Type 'undefined' is not assignable to type 'ComponentCompilerMeta'. Type '(ComponentCompilerMeta | undefined)[][]' is not assignable to type 'readonly ComponentCompilerMeta[][]'. Type '(ComponentCompilerMeta | undefined)[]' is not assignable to type 'ComponentCompilerMeta[]'. Type 'null' is not assignable to type 'boolean | SourceMapOptions | undefined'. Type 'null' is not assignable to type 'SourceMap | undefined'. Type '{ name: string | undefined; tags: string[]; }[]' is not assignable to type 'CollectionDependencyData[]'. Type '{ name: string | undefined; tags: string[]; }' is not assignable to type 'CollectionDependencyData'. Types of property 'name' are incompatible. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'string | undefined' is not assignable to type 'string | number'. Type 'undefined' is not assignable to type 'string | number'. Type 'SourceMap | undefined' is not assignable to type 'SourceMap'. Type 'undefined' is not assignable to type 'SourceMap'. Type 'string | null' is not assignable to type 'string | undefined'. Type 'null' is not assignable to type 'Function'. Type 'null' is not assignable to type 'Map<string, string[]>'. Type 'null' is not assignable to type 'PrerenderConfig'. Type 'null' is not assignable to type 'Set'. Type 'null' is not assignable to type 'HydrateAnchorElement[]'. Type 'null' is not assignable to type '(prerenderRequest: PrerenderUrlRequest) => Promise'. Type 'CssNode | null' is not assignable to type 'void | CssNode'. Type 'null' is not assignable to type 'void | CssNode'. Type 'CssNode | null' is not assignable to type 'CssNode'. Type 'null' is not assignable to type 'CssNode'. Type 'CssNode | null' is not assignable to type 'void | CssNode'. Type 'RegExpExecArray | null' is not assignable to type 'RegExpExecArray'. Type 'null' is not assignable to type 'RegExpExecArray'. Type 'null' is not assignable to type 'number'. Type 'null' is not assignable to type 'boolean'. Type 'null' is not assignable to type 'boolean | undefined'. Type 'FsItem | undefined' is not assignable to type 'FsItem'. Type 'undefined' is not assignable to type 'FsItem'. Type 'null' is not assignable to type 'CompilerFileWatcherCallback[]'. Type '(key: string) => string | undefined' is not assignable to type '(key: string) => string'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type '(p: string) => Promise<string | undefined>' is not assignable to type '{ (p: string): Promise; (p: string, encoding: "utf8"): Promise; (p: string, encoding: "binary"): Promise; }'. Type 'Promise<string | undefined>' is not assignable to type 'Promise'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type '(p: string) => string | undefined' is not assignable to type '(p: string, encoding?: string | undefined) => string'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'null' is not assignable to type '((maxConcurrentWorkers: number) => WorkerMainController) | undefined'. Type 'null' is not assignable to type 'ResolvedModuleWithFailedLookupLocations'. Type 'CollectionCompilerMeta | undefined' is not assignable to type 'CollectionCompilerMeta'. Type 'undefined' is not assignable to type 'CollectionCompilerMeta'. Type 'DeclarationName | undefined' is not assignable to type 'DeclarationName'. Type 'undefined' is not assignable to type 'DeclarationName'. Type 'boolean | null' is not assignable to type 'boolean'. Type 'null' is not assignable to type 'boolean'. Type 'undefined' is not assignable to type 'ComponentCompilerVirtualProperty'. Type '{ name: string; method: string; bubbles: boolean; cancelable: boolean; composed: boolean; docs: CompilerJsDoc; complexType: ComponentCompilerEventComplexType; internal: boolean | undefined; }[]' is not assignable to type 'ComponentCompilerEvent[]'. Type '{ name: string; method: string; bubbles: boolean; cancelable: boolean; composed: boolean; docs: d.CompilerJsDoc; complexType: d.ComponentCompilerEventComplexType; internal: boolean | undefined; }' is not assignable to type 'ComponentCompilerEvent'. Types of property 'internal' are incompatible. Type 'boolean | undefined' is not assignable to type 'boolean'. Type '{ name: string; docs: CompilerJsDoc; complexType: ComponentCompilerMethodComplexType; internal: boolean | undefined; }[]' is not assignable to type 'ComponentCompilerMethod[]'. Type '{ name: string; docs: d.CompilerJsDoc; complexType: d.ComponentCompilerMethodComplexType; internal: boolean | undefined; }' is not assignable to type 'ComponentCompilerMethod'. Types of property 'internal' are incompatible. Type 'boolean | undefined' is not assignable to type 'boolean'. Type '{ name: string; type: ComponentCompilerPropertyType; attribute: string | undefined; reflect: boolean; mutable: boolean; required: boolean; optional: boolean; defaultValue: string | undefined; complexType: ComponentCompilerPropertyComplexType; docs: CompilerJsDoc; internal: boolean | undefined; }[]' is not assignable to type 'ComponentCompilerProperty[]'. Type '{ name: string; type: d.ComponentCompilerPropertyType; attribute: string | undefined; reflect: boolean; mutable: boolean; required: boolean; optional: boolean; defaultValue: string | undefined; complexType: d.ComponentCompilerPropertyComplexType; docs: d.CompilerJsDoc; internal: boolean | undefined; }' is not assignable to type 'ComponentCompilerProperty'. Types of property 'internal' are incompatible. Type 'boolean | undefined' is not assignable to type 'boolean'. Type 'null' is not assignable to type 'ImportData'. Type 'undefined' is not assignable to type '"queryparams" | null'. Type 'null' is not assignable to type 'WeakSet'. Type 'Node | readonly Node[] | undefined' is not assignable to type 'VisitResult'. Type 'undefined' is not assignable to type 'VisitResult'. Type 'null' is not assignable to type 'Module'. Type 'Module | undefined' is not assignable to type 'Module'. Type 'undefined' is not assignable to type 'Module'. Type 'undefined' is not assignable to type 'CompilerJsDoc'. Type '{ [x: string]: d.TypesMemberNameData[] | undefined; }' is not assignable to type 'TypesImportData'. 'string' index signatures are incompatible. Type 'TypesMemberNameData[] | undefined' is not assignable to type 'TypesMemberNameData[]'. Type 'undefined' is not assignable to type 'TypesMemberNameData[]'. Type '((data: { file: string; line: number; column: number; }) => void) | null' is not assignable to type 'OpenInEditorCallback | undefined'. Type 'null' is not assignable to type 'OpenInEditorCallback | undefined'. Type 'null' is not assignable to type 'WebSocket'. Type 'null' is not assignable to type 'BuildOnEventRemove'. Type 'null' is not assignable to type '() => void'. Type 'null' is not assignable to type '(msg: DevServerMessage) => void'. Type 'DevServerConfig | undefined' is not assignable to type 'DevServerConfig'. Type 'undefined' is not assignable to type 'DevServerConfig'. Type 'null' is not assignable to type '{ open(openId: string): Promise; }'. Type 'null' is not assignable to type 'Promise<DevServerEditor[]>'. Type 'null' is not assignable to type '(req: IncomingMessage, res: ServerResponse, next: () => void) => void'. Type 'null' is not assignable to type 'URL'. Type 'null' is not assignable to type 'URLSearchParams'. Type 'PageReloadStrategy | undefined' is not assignable to type 'PageReloadStrategy'. Type 'undefined' is not assignable to type 'PageReloadStrategy'. Type 'null' is not assignable to type 'Server<typeof IncomingMessage, typeof ServerResponse>'. Type 'null' is not assignable to type 'DevWebSocket'. Type 'null' is not assignable to type 'DevServerContext'. Type 'DevWebSocket | null' is not assignable to type 'DevWebSocket'. Type 'null' is not assignable to type 'DevWebSocket'. Type 'string | undefined' is not assignable to type 'string | null'. Type 'null' is not assignable to type 'ChildProcess'. Type 'null' is not assignable to type 'HydrateApp'. Type '() => undefined' is not assignable to type '{ (cb?: (() => void) | undefined): TestServerResponse; (chunk: any, cb?: (() => void) | undefined): TestServerResponse; (chunk: any, encoding: BufferEncoding, cb?: (() => void) | undefined): TestServerResponse; }'. Type 'undefined' is not assignable to type 'TestServerResponse'. Type 'HTMLElement | null' is not assignable to type 'HTMLElement'. Type 'null' is not assignable to type 'HTMLElement'. Type 'null' is not assignable to type 'ComponentConstructor'. Type '(this: HostElement) => Promise | undefined' is not assignable to type '() => Promise'. Type 'Promise | undefined' is not assignable to type 'Promise'. Type 'undefined' is not assignable to type 'Promise'. Type 'null' is not assignable to type 'Window & typeof globalThis'. Type 'null' is not assignable to type 'Window'. Type 'null' is not assignable to type 'Window & typeof globalThis'. Type 'null' is not assignable to type 'MockCSSStyleSheet'. Type 'null' is not assignable to type 'string | boolean'. Type 'null' is not assignable to type 'Location'. Type 'null' is not assignable to type 'MockElement'. Type 'null' is not assignable to type 'SVGSVGElement'. Type 'null' is not assignable to type 'SVGElement'. Type 'null' is not assignable to type 'EventTarget'. Type 'null' is not assignable to type 'MockEventListener[]'. Type 'null' is not assignable to type 'MockDocument'. Type '{ name: string; value: string; namespace: string | null; prefix: null; }[]' is not assignable to type 'Attribute[]'. Type '{ name: string; value: string; namespace: string | null; prefix: null; }' is not assignable to type 'Attribute'. Types of property 'namespace' are incompatible. Type 'string | null' is not assignable to type 'string | undefined'. Type 'null' is not assignable to type 'string | undefined'. Type '(element: MockElement) => string | null' is not assignable to type '(element: unknown) => string'. Type 'string | null' is not assignable to type 'string'. Type 'null' is not assignable to type 'string'. Type 'ParentNode | null' is not assignable to type 'Node'. Type 'null' is not assignable to type 'Node'. Type 'null' is not assignable to type 'Document'. Type 'string | null | undefined' is not assignable to type 'string | undefined'. Type 'never[] | null' is not assignable to type 'RenderNode[]'. Type 'null' is not assignable to type 'RenderNode[]'. Type 'null' is not assignable to type 'VNode[]'. Type 'null' is not assignable to type 'string | number | undefined'. Type 'null' is not assignable to type 'string | number | Function'. Type 'RenderNode | null' is not assignable to type 'RenderNode'. Type 'null' is not assignable to type 'RenderNode'. Type 'HTMLElement | null' is not assignable to type 'EventTarget'. Type 'null' is not assignable to type 'EventTarget'. Type 'string | null | undefined' is not assignable to type 'string | undefined'. Type 'null' is not assignable to type 'string | undefined'. Type 'Promise | undefined' is not assignable to type 'Promise'. Type 'undefined' is not assignable to type 'Promise'. Type 'VNode[] | undefined' is not assignable to type 'VNode[]'. Type 'undefined' is not assignable to type 'VNode[]'. Type '(props: {}, children: VNode[], utils: FunctionalUtilities) => null' is not assignable to type 'FunctionalComponent<{}>'. Type 'null' is not assignable to type 'VNode | VNode[]'. Type '() => null' is not assignable to type 'FunctionalComponent<{}>'. Type 'null' is not assignable to type 'VNode | VNode[]'. Type 'null' is not assignable to type 'VNode'. Type 'undefined' is not assignable to type 'VNode'. Type 'RenderNode | undefined' is not assignable to type 'RenderNode'. Type 'undefined' is not assignable to type 'RenderNode'. Type 'RelocateNodeData | undefined' is not assignable to type 'RelocateNodeData'. Type 'undefined' is not assignable to type 'RelocateNodeData'. Type 'ChildNode | null' is not assignable to type 'Node'. Type 'null' is not assignable to type 'Node'. Type 'null' is not assignable to type 'ScreenshotCache'. Type 'null' is not assignable to type 'Buffer'. Type 'null' is not assignable to type 'Screenshot'. Type '(() => void) | undefined' is not assignable to type '() => any'. Type 'undefined' is not assignable to type '() => any'. Type '() => null' is not assignable to type '(opts: { rootDir: string; moduleId: string; path: string; }) => string'. Type 'null' is not assignable to type 'string'. Type '() => null' is not assignable to type '(opts: { moduleId: string; path?: string | undefined; version?: string | undefined; }) => string'. Type 'null' is not assignable to type 'string'. Type '() => string | undefined' is not assignable to type '() => string'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'number | null' is not assignable to type 'number'. Type 'null' is not assignable to type 'number'. Type 'any[] | undefined' is not assignable to type 'any[]'. Type 'undefined' is not assignable to type 'any[]'. Type 'boolean | null | undefined' is not assignable to type 'boolean | undefined'. Type 'undefined' is not assignable to type 'MockNode'. Type 'null' is not assignable to type 'MockNode[]'. Type 'null' is not assignable to type 'ConfigBundle[] | undefined'. Type 'null' is not assignable to type 'OutputTarget[] | undefined'. Type 'null' is not assignable to type 'TestingConfig | undefined'. Type 'null' is not assignable to type 'Cache'. Type 'null' is not assignable to type '{ access: (filePath: string) => Promise; accessSync: (filePath: string) => boolean; cancelDeleteDirectoriesFromDisk: (dirPaths: string[]) => void; cancelDeleteFilesFromDisk: (filePaths: string[]) => void; ... 17 more ...; writeFiles: (files: { ...; } | Map<...>, opts?: FsWriteOptions | undefined) => Promise...'. Type 'Function | undefined' is not assignable to type 'Function'. Type 'undefined' is not assignable to type 'Function'. Type 'RafCallback | undefined' is not assignable to type 'Function'. Type 'undefined' is not assignable to type 'Function'. Type 'QueuedLoadModule | undefined' is not assignable to type 'QueuedLoadModule'. Type 'undefined' is not assignable to type 'QueuedLoadModule'. Type 'null' is not assignable to type 'ElementHandle'. Type 'null' is not assignable to type 'E2EPageInternal'. Type 'ElementHandle | null' is not assignable to type 'ElementHandle'. Type 'null' is not assignable to type 'ElementHandle'. Type 'ElementHandle | null' is not assignable to type 'ElementHandle'. Type 'null' is not assignable to type 'ElementHandle'. Type 'ElementHandle | null' is not assignable to type 'ElementHandle | null'. Type 'ElementHandle' is not assignable to type 'ElementHandle'. Type 'Node' is missing the following properties from type 'Element': attributes, classList, className, clientHeight, and 113 more. Type 'null' is not assignable to type 'Promise<JSHandle>'. Type 'null' is not assignable to type 'CompilerWatcher'. Type 'null' is not assignable to type 'Promise'. Type 'Browser | null' is not assignable to type 'Browser'. Type 'null' is not assignable to type 'Browser'. Type 'null' is not assignable to type 'ValidatedConfig'. Type 'null' is not assignable to type 'DevServer'. Type 'null' is not assignable to type 'Browser'. Type 'null' is not assignable to type 'SourceMap'. Type 'null' is not assignable to type 'PackageJsonData'.
TS2345	472	Error messages Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'null' is not assignable to parameter of type 'BuildResultsComponentGraph'. Argument of type 'ComponentRuntimeHostListener[] | undefined' is not assignable to parameter of type 'ComponentRuntimeHostListener[]'. Type 'undefined' is not assignable to type 'ComponentRuntimeHostListener[]'. Argument of type 'Logger | undefined' is not assignable to parameter of type 'Logger'. Type 'undefined' is not assignable to type 'Logger'. Argument of type 'string[] | undefined' is not assignable to parameter of type 'string[]'. Type 'undefined' is not assignable to type 'string[]'. Argument of type 'string' is not assignable to parameter of type 'never'. Argument of type 'Diagnostic[] | undefined' is not assignable to parameter of type 'readonly Diagnostic[]'. Type 'undefined' is not assignable to type 'readonly Diagnostic[]'. Argument of type 'boolean | undefined' is not assignable to parameter of type 'boolean'. Argument of type 'BuildConditionals | undefined' is not assignable to parameter of type 'BuildConditionals'. Type 'undefined' is not assignable to type 'BuildConditionals'. Argument of type 'CompilerSystem | undefined' is not assignable to parameter of type 'CompilerSystem'. Type 'undefined' is not assignable to type 'CompilerSystem'. Argument of type '{ styleText: string; output: string; map: null; diagnostics: never[]; imports: never[]; defaultVarName: string; styleDocs: never[]; }' is not assignable to parameter of type 'never'. Argument of type 'WorkerMeta | undefined' is not assignable to parameter of type 'WorkerMeta'. Type 'undefined' is not assignable to type 'WorkerMeta'. Argument of type 'string | null | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'Set<string | null>' is not assignable to parameter of type 'Set'. Type 'string | null' is not assignable to type 'string'. Type 'null' is not assignable to type 'string'. Argument of type 'Set<string | null>' is not assignable to parameter of type 'Set'. Argument of type '(string[] | undefined)[]' is not assignable to parameter of type 'string[][]'. Type 'string[] | undefined' is not assignable to type 'string[]'. Type 'undefined' is not assignable to type 'string[]'. Argument of type 'ComponentCompilerMeta | undefined' is not assignable to parameter of type 'ComponentCompilerMeta'. Type 'undefined' is not assignable to type 'ComponentCompilerMeta'. Argument of type 'true | Object | undefined' is not assignable to parameter of type 'boolean | Object | null'. Type 'undefined' is not assignable to type 'boolean | Object | null'. Argument of type 'SourceTarget | undefined' is not assignable to parameter of type 'SourceTarget'. Type 'undefined' is not assignable to type 'SourceTarget'. Argument of type 'boolean | undefined' is not assignable to parameter of type 'boolean'. Type 'undefined' is not assignable to type 'boolean'. Argument of type '(string | undefined)[]' is not assignable to parameter of type 'string[]'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type '(string | undefined)[]' is not assignable to parameter of type 'string[]'. Argument of type 'RollupSourceMap | undefined' is not assignable to parameter of type 'SourceMap'. Type 'undefined' is not assignable to type 'SourceMap'. Argument of type 'EntryModule | undefined' is not assignable to parameter of type 'EntryModule'. Type 'undefined' is not assignable to type 'EntryModule'. Argument of type '(Module | undefined)[]' is not assignable to parameter of type 'Module[]'. Type 'Module | undefined' is not assignable to type 'Module'. Type 'undefined' is not assignable to type 'Module'. Argument of type 'Document | null' is not assignable to parameter of type 'Document'. Type 'null' is not assignable to type 'Document'. Argument of type 'Document | null' is not assignable to parameter of type 'Node | MockNode'. Type 'null' is not assignable to type 'Node | MockNode'. Argument of type 'HydrateAnchorElement' is not assignable to parameter of type '{ [attrName: string]: string; }'. 'string' index signatures are incompatible. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'URL | null' is not assignable to parameter of type 'URL'. Type 'null' is not assignable to type 'URL'. Argument of type 'string | null' is not assignable to parameter of type 'string'. Type 'null' is not assignable to type 'string'. Argument of type 'number | undefined' is not assignable to parameter of type 'number'. Type 'undefined' is not assignable to type 'number'. Argument of type 'SitemapXmpResults | null' is not assignable to parameter of type 'SitemapXmpResults'. Type 'null' is not assignable to type 'SitemapXmpResults'. Argument of type 'string | undefined' is not assignable to parameter of type 'string | URL'. Argument of type 'Map<string, string[]> | undefined' is not assignable to parameter of type 'Map<string, string[]>'. Type 'undefined' is not assignable to type 'Map<string, string[]>'. Argument of type 'undefined' is not assignable to parameter of type 'string'. Argument of type 'ServiceWorkerConfig | undefined' is not assignable to parameter of type 'ServiceWorkerConfig'. Type 'undefined' is not assignable to type 'ServiceWorkerConfig'. Argument of type 'string | undefined' is not assignable to parameter of type 'string | URL'. Type 'undefined' is not assignable to type 'string | URL'. Argument of type 'CssNode[] | null | undefined' is not assignable to parameter of type 'void | CssNode[]'. Argument of type 'CssNode[] | null | undefined' is not assignable to parameter of type 'void | CssNode[]'. Type 'null' is not assignable to type 'void | CssNode[]'. Argument of type 'null' is not assignable to parameter of type 'string'. Argument of type 'CompilerSystemCreateDirectoryOptions | undefined' is not assignable to parameter of type 'CompilerSystemCreateDirectoryOptions'. Type 'undefined' is not assignable to type 'CompilerSystemCreateDirectoryOptions'. Argument of type 'null' is not assignable to parameter of type 'CompilerFileWatcherEvent'. Argument of type 'null' is not assignable to parameter of type '{ access: (filePath: string) => Promise; accessSync: (filePath: string) => boolean; cancelDeleteDirectoriesFromDisk: (dirPaths: string[]) => void; cancelDeleteFilesFromDisk: (filePaths: string[]) => void; ... 17 more ...; writeFiles: (files: { ...; } | Map<...>, opts?: FsWriteOptions | undefined) => Promise...'. Argument of type 'undefined' is not assignable to parameter of type 'TypeChecker'. Argument of type 'CollectionBundleManifest[] | undefined' is not assignable to parameter of type 'any[]'. Type 'undefined' is not assignable to type 'any[]'. Argument of type 'Module | undefined' is not assignable to parameter of type 'Module'. Type 'undefined' is not assignable to type 'Module'. Argument of type 'NodeArray | undefined' is not assignable to parameter of type 'NodeArray | HeritageClause[]'. Type 'undefined' is not assignable to type 'NodeArray | HeritageClause[]'. Argument of type 'Block | undefined' is not assignable to parameter of type 'Block'. Type 'undefined' is not assignable to type 'Block'. Argument of type 'Expression | undefined' is not assignable to parameter of type 'Node'. Type 'undefined' is not assignable to type 'Node'. Argument of type 'Symbol | undefined' is not assignable to parameter of type 'Symbol'. Type 'undefined' is not assignable to type 'Symbol'. Argument of type 'TypeNode | undefined' is not assignable to parameter of type 'Node'. Type 'undefined' is not assignable to type 'Node'. Argument of type '(PropertyAssignment | null)[]' is not assignable to parameter of type 'readonly ObjectLiteralElementLike[]'. Type 'PropertyAssignment | null' is not assignable to type 'ObjectLiteralElementLike'. Type 'null' is not assignable to type 'ObjectLiteralElementLike'. Argument of type 'Signature | undefined' is not assignable to parameter of type 'Signature'. Type 'undefined' is not assignable to type 'Signature'. Argument of type 'Identifier | undefined' is not assignable to parameter of type 'Node'. Type 'undefined' is not assignable to type 'Node'. Argument of type 'ScriptTarget | undefined' is not assignable to parameter of type 'ScriptTarget | CreateSourceFileOptions'. Argument of type 'ValidatedConfig | null | undefined' is not assignable to parameter of type 'ValidatedConfig'. Type 'undefined' is not assignable to type 'ValidatedConfig'. Type 'undefined' is not assignable to type 'Config'. Argument of type 'null' is not assignable to parameter of type 'CollectionCompilerMeta'. Argument of type 'PropertyName | undefined' is not assignable to parameter of type 'PropertyName'. Type 'undefined' is not assignable to type 'PropertyName'. Argument of type 'NamedImportBindings | undefined' is not assignable to parameter of type 'Node'. Type 'undefined' is not assignable to type 'Node'. Argument of type 'TypeDeclLike | undefined' is not assignable to parameter of type 'Node'. Type 'undefined' is not assignable to type 'Node'. Argument of type 'NamedExportBindings | undefined' is not assignable to parameter of type 'Node'. Type 'undefined' is not assignable to type 'Node'. Argument of type 'Declaration | undefined' is not assignable to parameter of type 'Node'. Type 'undefined' is not assignable to type 'Node'. Argument of type 'Identifier | undefined' is not assignable to parameter of type 'string | BindingName'. Type 'undefined' is not assignable to type 'string | BindingName'. Argument of type 'ScriptTarget | undefined' is not assignable to parameter of type 'ScriptTarget | CreateSourceFileOptions'. Type 'undefined' is not assignable to type 'ScriptTarget | CreateSourceFileOptions'. Argument of type 'Diagnostic' is not assignable to parameter of type 'DiagnosticWithLocation'. Types of property 'file' are incompatible. Type 'SourceFile | undefined' is not assignable to type 'SourceFile'. Type 'undefined' is not assignable to type 'SourceFile'. Argument of type '(...pathSegments: string[]) => string | undefined' is not assignable to parameter of type '(...args: string[]) => string'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'CompilerWatcher | undefined' is not assignable to parameter of type 'CompilerWatcher'. Type 'undefined' is not assignable to type 'CompilerWatcher'. Argument of type 'DevServer | null' is not assignable to parameter of type 'DevServer'. Type 'null' is not assignable to type 'DevServer'. Argument of type '{ editor: string | undefined; }' is not assignable to parameter of type 'OpenInEditorOptions'. Types of property 'editor' are incompatible. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'string | undefined' is not assignable to parameter of type 'PathLike'. Argument of type 'DevServerConfig | undefined' is not assignable to parameter of type 'DevServerConfig'. Type 'undefined' is not assignable to type 'DevServerConfig'. Argument of type 'CompilerBuildResults | undefined' is not assignable to parameter of type 'CompilerBuildResults'. Type 'undefined' is not assignable to type 'CompilerBuildResults'. Argument of type 'Window | undefined' is not assignable to parameter of type 'Window'. Type 'undefined' is not assignable to type 'Window'. Argument of type 'SerializeDocumentOptions | undefined' is not assignable to parameter of type 'HydrateDocumentOptions'. Type 'undefined' is not assignable to type 'HydrateDocumentOptions'. Argument of type 'HydrateDocumentOptions | undefined' is not assignable to parameter of type 'HydrateDocumentOptions'. Type 'undefined' is not assignable to type 'HydrateDocumentOptions'. Argument of type 'MockNode | null' is not assignable to parameter of type 'MockNode'. Type 'null' is not assignable to type 'MockNode'. Argument of type 'string | undefined' is not assignable to parameter of type 'string | null'. Type 'undefined' is not assignable to type 'string | null'. Argument of type 'string | undefined' is not assignable to parameter of type 'string | null'. Argument of type 'ShadowRoot | null' is not assignable to parameter of type 'Node'. Type 'null' is not assignable to type 'Node'. Argument of type 'MockElement' is not assignable to parameter of type 'MockHTMLElement'. Types of property 'namespaceURI' are incompatible. Type 'string | null' is not assignable to type 'string'. Type 'null' is not assignable to type 'string'. Argument of type 'null' is not assignable to parameter of type 'string | Node'. Argument of type 'null' is not assignable to parameter of type 'string | boolean | undefined'. Argument of type '(Window & typeof globalThis) | null' is not assignable to parameter of type 'Window'. Type 'null' is not assignable to type 'Window'. Argument of type 'string | null | undefined' is not assignable to parameter of type 'string | undefined'. Argument of type 'HostRef | undefined' is not assignable to parameter of type 'HostRef'. Type 'undefined' is not assignable to type 'HostRef'. Argument of type 'this' is not assignable to parameter of type 'HostElement'. Type 'HostElement' is not assignable to type 'import("/home/runner/work/stencil/stencil/src/declarations/stencil-private").HostElement'. The types returned by 'componentOnReady()' are incompatible between these types. Type 'Promise | undefined' is not assignable to type 'Promise'. Type 'undefined' is not assignable to type 'Promise'. Argument of type 'this' is not assignable to parameter of type 'HostElement'. Argument of type 'string | null' is not assignable to parameter of type 'string | undefined'. Argument of type 'PropertyDescriptor | undefined' is not assignable to parameter of type 'PropertyDescriptor & ThisType'. Type 'undefined' is not assignable to type 'PropertyDescriptor & ThisType'. Type 'undefined' is not assignable to type 'PropertyDescriptor'. Argument of type 'ComponentInterface | HostElement | undefined' is not assignable to parameter of type 'ComponentInterface | HostElement'. Type 'undefined' is not assignable to type 'ComponentInterface | HostElement'. Argument of type 'VNode[] | undefined' is not assignable to parameter of type 'VNode[]'. Type 'undefined' is not assignable to type 'VNode[]'. Argument of type 'null | undefined' is not assignable to parameter of type 'ChildType'. Type 'undefined' is not assignable to type 'ChildType'. Argument of type 'VNode | null' is not assignable to parameter of type 'ChildType'. Type 'null' is not assignable to type 'ChildType'. Argument of type 'VNode | undefined' is not assignable to parameter of type 'ChildType'. Type 'undefined' is not assignable to type 'ChildType'. Argument of type 'VNode | null | undefined' is not assignable to parameter of type 'ChildType'. Type 'undefined' is not assignable to type 'ChildType'. Argument of type 'null | undefined' is not assignable to parameter of type 'ChildType'. Argument of type 'RenderNode | undefined' is not assignable to parameter of type 'Node | null'. Type 'undefined' is not assignable to type 'Node | null'. Argument of type 'VNode | undefined' is not assignable to parameter of type 'VNode'. Type 'undefined' is not assignable to type 'VNode'. Argument of type 'null' is not assignable to parameter of type 'VNode'. Argument of type 'null' is not assignable to parameter of type 'RenderNode'. Argument of type 'ScreenshotDiff | undefined' is not assignable to parameter of type 'ScreenshotDiff'. Type 'undefined' is not assignable to type 'ScreenshotDiff'. Argument of type 'string | undefined' is not assignable to parameter of type 'PathLike'. Type 'undefined' is not assignable to type 'PathLike'. Argument of type 'string | undefined' is not assignable to parameter of type 'string | SemVer'. Type 'undefined' is not assignable to type 'string | SemVer'. Argument of type 'string | undefined' is not assignable to parameter of type 'string | SemVer'. Argument of type 'null' is not assignable to parameter of type 'number | undefined'. Argument of type 'null' is not assignable to parameter of type 'number | PromiseLike'. Argument of type 'CompilerWorkerTask | undefined' is not assignable to parameter of type 'CompilerWorkerTask'. Type 'undefined' is not assignable to type 'CompilerWorkerTask'. Argument of type 'undefined' is not assignable to parameter of type 'ErrorHandler'. Argument of type 'string | undefined' is not assignable to parameter of type 'MockRequestInfo'. Type 'undefined' is not assignable to type 'MockRequestInfo'. Argument of type 'string | undefined' is not assignable to parameter of type 'MockRequestInfo'. Argument of type 'MockResponse | undefined' is not assignable to parameter of type 'MockResponse'. Type 'undefined' is not assignable to type 'MockResponse'. Argument of type 'RuntimeRef | undefined' is not assignable to parameter of type 'RuntimeRef'. Type 'undefined' is not assignable to type 'RuntimeRef'. Argument of type 'this' is not assignable to parameter of type 'E2EElementInternal'. Type 'E2EElement' is not assignable to type 'E2EElementInternal'. Types of property 'find' are incompatible. Type '(selector: string) => Promise<E2EElement | null>' is not assignable to type '(selector: FindSelector) => Promise'. Argument of type '(elm: Element, pseudoElt: string) => any' is not assignable to parameter of type 'string | EvaluateFunc<[ElementHandle, string | null | undefined]>'. Type '(elm: Element, pseudoElt: string) => any' is not assignable to type 'EvaluateFunc<[ElementHandle, string | null | undefined]>'. Types of parameters 'pseudoElt' and 'params_1' are incompatible. Type 'string | null | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'this' is not assignable to parameter of type 'E2EElementInternal'. Argument of type 'null' is not assignable to parameter of type 'SourceMap | undefined'.
TS18048	367	Error messages 'sys.details' is possibly 'undefined'. 'details' is possibly 'undefined'. 'config.sys.getDevServerExecutingPath' is possibly 'undefined'. 'config.sys.dynamicImport' is possibly 'undefined'. 'config.sys.lazyRequire' is possibly 'undefined'. 'sys.parseYarnLockFile' is possibly 'undefined'. 'sys.fetch' is possibly 'undefined'. 'moduleFile' is possibly 'undefined'. 'config.extras' is possibly 'undefined'. 'config.sys' is possibly 'undefined'. 'config.logger' is possibly 'undefined'. 'hmr' is possibly 'undefined'. 'config.outputTargets' is possibly 'undefined'. 'c.moduleFiles' is possibly 'undefined'. 'a.name' is possibly 'undefined'. 'b.name' is possibly 'undefined'. 'orgNodeResolveId' is possibly 'undefined'. 'config.rollupPlugins' is possibly 'undefined'. 'config.rollupConfig.inputOptions' is possibly 'undefined'. 'compilerCtx.worker' is possibly 'undefined'. 'lastModified' is possibly 'undefined'. 'config.devServer.historyApiFallback' is possibly 'undefined'. 'inputConfig.flags' is possibly 'undefined'. 'userConfig.flags' is possibly 'undefined'. 'outputTarget.serviceWorker' is possibly 'undefined'. 'cmp' is possibly 'undefined'. 'deps' is possibly 'undefined'. 'cmp.directDependents' is possibly 'undefined'. 'cmp.dependents' is possibly 'undefined'. 'config.bundles' is possibly 'undefined'. 'c.dependencies' is possibly 'undefined'. 'c.directDependencies' is possibly 'undefined'. 'outputTargets' is possibly 'undefined'. 'opts' is possibly 'undefined'. 'errorLine.text' is possibly 'undefined'. 'errorLine.errorLength' is possibly 'undefined'. 'opts.format' is possibly 'undefined'. 'config.sys.generateContentHash' is possibly 'undefined'. 'config.sys.copy' is possibly 'undefined'. 'entryModule' is possibly 'undefined'. 'a.directDependents' is possibly 'undefined'. 'b.directDependents' is possibly 'undefined'. 'a.directDependencies' is possibly 'undefined'. 'b.directDependencies' is possibly 'undefined'. 'a.dependents' is possibly 'undefined'. 'b.dependents' is possibly 'undefined'. 'a.dependencies' is possibly 'undefined'. 'b.dependencies' is possibly 'undefined'. 'bundleOptions.loader' is possibly 'undefined'. 'config.maxConcurrentWorkers' is possibly 'undefined'. 'config.logger.createLineUpdater' is possibly 'undefined'. 'hydrateOpts.staticComponents' is possibly 'undefined'. 'sys.generateFileHash' is possibly 'undefined'. 'manager.config.logger' is possibly 'undefined'. 'manager.config.sys' is possibly 'undefined'. 'serviceWorker' is possibly 'undefined'. 'node.comment' is possibly 'undefined'. 'node.selectors' is possibly 'undefined'. 'node.values' is possibly 'undefined'. 'tsResults.diagnostics' is possibly 'undefined'. 'r.resolvedModule' is possibly 'undefined'. 'compilerSystem.watchDirectory' is possibly 'undefined'. 'compilerSystem.watchFile' is possibly 'undefined'. 'collectionManifest.bundles' is possibly 'undefined'. 'cstrMethod.body' is possibly 'undefined'. 'cmp.dependencies' is possibly 'undefined'. 'foundDep' is possibly 'undefined'. 'connectedCallback.body' is possibly 'undefined'. 'cmpNode.name' is possibly 'undefined'. 'symbol.declarations' is possibly 'undefined'. 'signature' is possibly 'undefined'. 'collection.moduleFiles' is possibly 'undefined'. 'tsSourceFiles' is possibly 'undefined'. 'results.data' is possibly 'undefined'. 'results.imports' is possibly 'undefined'. 'transformers.afterDeclarations' is possibly 'undefined'. 'transformers.before' is possibly 'undefined'. 'transformers.after' is possibly 'undefined'. 'msg.requestLog' is possibly 'undefined'. 'msg.error' is possibly 'undefined'. 'msg.buildResults' is possibly 'undefined'. 'a.priority' is possibly 'undefined'. 'b.priority' is possibly 'undefined'. 'devServerConfig.historyApiFallback' is possibly 'undefined'. 'devServerConfig.basePath' is possibly 'undefined'. 'req.pathname' is possibly 'undefined'. 'req.stats' is possibly 'undefined'. 'devServerConfig' is possibly 'undefined'. 'res.$content' is possibly 'undefined'. 'opts.maxHydrateCount' is possibly 'undefined'. 'ref' is possibly 'undefined'. 'opts.excludeComponents' is possibly 'undefined'. 'hostRef' is possibly 'undefined'. 'hostRef.$instanceValues$' is possibly 'undefined'. 'ref.$onInstancePromise$' is possibly 'undefined'. 'ref.$lazyInstance$' is possibly 'undefined'. 'opts.indentSpaces' is possibly 'undefined'. 'opts.approximateLineWidth' is possibly 'undefined'. 'plt.$orgLocNodes$' is possibly 'undefined'. 'hostRef.$lazyInstance$' is possibly 'undefined'. 'cmpMeta.$attrsToReflect$' is possibly 'undefined'. 'cmpMeta.$members$' is possibly 'undefined'. 'nodeRef' is possibly 'undefined'. 'screenshot.diff' is possibly 'undefined'. 'screenshotCache.items' is possibly 'undefined'. 'emulateConfig.viewport' is possibly 'undefined'. 'emulateConfig.viewport.deviceScaleFactor' is possibly 'undefined'. 'res.statusCode' is possibly 'undefined'. 'tsSysWatchDirectory' is possibly 'undefined'. 'tsSysWatchFile' is possibly 'undefined'. 'sys.events' is possibly 'undefined'. 't.retries' is possibly 'undefined'. 'testing.emulate' is possibly 'undefined'. 'parsedConfig.collectCoverageFrom' is possibly 'undefined'. 'compare.deviceScaleFactor' is possibly 'undefined'. 'config' is possibly 'undefined'. 'screenshotEmulate.viewport' is possibly 'undefined'. 'd.absFilePath' is possibly 'undefined'. 'd.code' is possibly 'undefined'.
TS18047	97	Error messages 'configFileData' is possibly 'null'. 'canonicalLinkElm.parentNode' is possibly 'null'. 'link.parentNode' is possibly 'null'. 'href' is possibly 'null'. 'stencilScriptElm.parentNode' is possibly 'null'. 'attr' is possibly 'null'. 't.cmp' is possibly 'null'. 't.event' is possibly 'null'. 'progressBar.parentNode' is possibly 'null'. 'serverProcess.stdout' is possibly 'null'. 'serverProcess.stderr' is possibly 'null'. 'node.nodeName' is possibly 'null'. 'element.nodeName' is possibly 'null'. 'nodeValue' is possibly 'null'. 'cloned' is possibly 'null'. 'clonedDiv' is possibly 'null'. 'clonedTemplate' is possibly 'null'. 'clonedTemplate.content.firstChild' is possibly 'null'. 'clonedTemplate.content.firstChild.textContent' is possibly 'null'. 'clonedWin' is possibly 'null'. 'titleElm' is possibly 'null'. 'dstWin' is possibly 'null'. 'orgLocationNode.parentNode' is possibly 'null'. 'node.nodeValue' is possibly 'null'. 'node.parentNode' is possibly 'null'. 'appendAfter.parentNode' is possibly 'null'. 'hostElm.firstElementChild' is possibly 'null'. 'hostElm.lastElementChild' is possibly 'null'. 'nodeRef.nodeValue' is possibly 'null'. 'nodeRef.parentNode' is possibly 'null'. 'parentNode' is possibly 'null'. 'defaultHolder.parentNode' is possibly 'null'. 'nodeToRelocate.parentNode' is possibly 'null'. 'elm.textContent' is possibly 'null'. 'rsp' is possibly 'null'. 'head' is possibly 'null'.
TS2722	39	Error messages Cannot invoke an object which is possibly 'undefined'.
TS2532	38	Error messages Object is possibly 'undefined'.
TS2531	25	Error messages Object is possibly 'null'.
TS2454	15	Error messages Variable 'pkgJsonData' is used before being assigned. Variable 'minifyOpts' is used before being assigned. Variable 'workerCtrl' is used before being assigned. Variable 'timespan' is used before being assigned. Variable 'declarationOutputText' is used before being assigned. Variable 'outputText' is used before being assigned. Variable 'win' is used before being assigned. Variable 'hostId' is used before being assigned. Variable 'textContent' is used before being assigned. Variable 'resolve' is used before being assigned. Variable 'opts' is used before being assigned.
TS2352	13	Error messages Conversion of type 'null' to type 'CompilerSystem' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first. Conversion of type 'null' to type 'string' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first. Conversion of type '{ cmps: never[]; }' to type 'Module' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first. Type '{ cmps: never[]; }' is missing the following properties from type 'Module': coreRuntimeApis, outputTargetCoreRuntimeApis, collectionName, dtsFilePath, and 28 more. Conversion of type 'null' to type 'ScreenshotCache' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
TS2769	10	Error messages No overload matches this call. Overload 1 of 2, '(type: keyof DocumentEventMap, listener: (this: Document, ev: PointerEvent | MouseEvent | UIEvent | Event | ErrorEvent | ... 13 more ... | WheelEvent) => any, options?: boolean | ... 1 more ... | undefined): void', gave the following error. Argument of type '"e"' is not assignable to parameter of type 'keyof DocumentEventMap'. Overload 2 of 2, '(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions | undefined): void', gave the following error. Argument of type 'null' is not assignable to parameter of type 'EventListenerOrEventListenerObject'. No overload matches this call. Overload 1 of 2, '(o: {}): string[]', gave the following error. Argument of type 'BuildResultsComponentGraph | undefined' is not assignable to parameter of type '{}'. Type 'undefined' is not assignable to type '{}'. Overload 2 of 2, '(o: object): string[]', gave the following error. Argument of type 'BuildResultsComponentGraph | undefined' is not assignable to parameter of type 'object'. Type 'undefined' is not assignable to type 'object'. No overload matches this call. Overload 1 of 4, '(object: {}, method: never): SpyInstance<never, never>', gave the following error. Argument of type 'CompilerWorkerContext | undefined' is not assignable to parameter of type '{}'. Type 'undefined' is not assignable to type '{}'. Overload 2 of 4, '(object: {}, method: never): SpyInstance<never, never>', gave the following error. Argument of type 'CompilerWorkerContext | undefined' is not assignable to parameter of type '{}'. Type 'undefined' is not assignable to type '{}'. No overload matches this call. The last overload gave the following error. Argument of type 'string | null' is not assignable to parameter of type '(substring: string, ...args: any[]) => string'. Type 'null' is not assignable to type '(substring: string, ...args: any[]) => string'. No overload matches this call. Overload 1 of 2, '(configFileName: string, optionsToExtend: CompilerOptions | undefined, system: System, createProgram?: CreateProgram | undefined, reportDiagnostic?: DiagnosticReporter | undefined, reportWatchStatus?: WatchStatusReporter | undefined, watchOptionsToExtend?: WatchOptions | undefined, extraFileExtensions?: readonly FileExtensionInfo[] | undefined): WatchCompilerHostOfConfigFile<...>', gave the following error. Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. Overload 2 of 2, '(rootFiles: string[], options: CompilerOptions, system: System, createProgram?: CreateProgram | undefined, reportDiagnostic?: DiagnosticReporter | undefined, reportWatchStatus?: WatchStatusReporter | undefined, projectReferences?: readonly ProjectReference[] | undefined, watchOptions?: WatchOptions | undefined): WatchCompilerHostOfFilesAndCompilerOptions<...>', gave the following error. Argument of type 'string | undefined' is not assignable to parameter of type 'string[]'. Type 'undefined' is not assignable to type 'string[]'. No overload matches this call. Overload 1 of 2, '(timeoutId: string | number | Timeout | undefined): void', gave the following error. Argument of type 'Timeout | null' is not assignable to parameter of type 'string | number | Timeout | undefined'. Type 'null' is not assignable to type 'string | number | Timeout | undefined'. Overload 2 of 2, '(id: number | undefined): void', gave the following error. Argument of type 'Timeout | null' is not assignable to parameter of type 'number | undefined'. Type 'null' is not assignable to type 'number | undefined'. No overload matches this call. Overload 1 of 2, '(timeoutId: string | number | Timeout | undefined): void', gave the following error. Argument of type 'Timeout | null' is not assignable to parameter of type 'string | number | Timeout | undefined'. Overload 2 of 2, '(id: number | undefined): void', gave the following error. Argument of type 'Timeout | null' is not assignable to parameter of type 'number | undefined'. No overload matches this call. Overload 1 of 3, '(p: string, encoding: "utf8"): Promise', gave the following error. Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. Overload 2 of 3, '(p: string, encoding: "binary"): Promise', gave the following error. Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'.
TS2790	10	Error messages The operand of a 'delete' operator must be optional.
TS2538	8	Error messages Type 'undefined' cannot be used as an index type. Type 'null' cannot be used as an index type.
TS2344	5	Error messages Type 'T' does not satisfy the constraint 'Answers'.
TS2416	5	Error messages Property 'get' in type 'Cache' is not assignable to the same property in base type 'Cache'. Type '(key: string) => Promise<string | null>' is not assignable to type '(key: string) => Promise'. Type 'Promise<string | null>' is not assignable to type 'Promise'. Type 'string | null' is not assignable to type 'string'. Type 'null' is not assignable to type 'string'. Property 'getMemoryStats' in type 'Cache' is not assignable to the same property in base type 'Cache'. Type '() => string | null' is not assignable to type '() => string'. Type 'string | null' is not assignable to type 'string'. Type 'null' is not assignable to type 'string'. Property 'find' in type 'E2EElement' is not assignable to the same property in base type 'E2EElementInternal'. Type '(selector: string) => Promise<E2EElement | null>' is not assignable to type '(selector: FindSelector) => Promise'. Type 'Promise<E2EElement | null>' is not assignable to type 'Promise'. Type 'E2EElement | null' is not assignable to type 'E2EElement'. Type 'null' is not assignable to type 'E2EElement'. Property 'findAll' in type 'E2EElement' is not assignable to the same property in base type 'E2EElementInternal'. Type '(selector: string) => Promise<E2EElement[]>' is not assignable to type '(selector: FindSelector) => Promise<E2EElement[]>'. Type 'Promise<import("/home/runner/work/stencil/stencil/src/testing/puppeteer/puppeteer-element").E2EElement[]>' is not assignable to type 'Promise<import("/home/runner/work/stencil/stencil/src/testing/puppeteer/puppeteer-declarations").E2EElement[]>'. Type 'import("/home/runner/work/stencil/stencil/src/testing/puppeteer/puppeteer-element").E2EElement[]' is not assignable to type 'import("/home/runner/work/stencil/stencil/src/testing/puppeteer/puppeteer-declarations").E2EElement[]'. Type 'import("/home/runner/work/stencil/stencil/src/testing/puppeteer/puppeteer-element").E2EElement' is not assignable to type 'import("/home/runner/work/stencil/stencil/src/testing/puppeteer/puppeteer-declarations").E2EElement'. The types returned by 'find(...)' are incompatible between these types. Type 'Promise<E2EElement | null>' is not assignable to type 'Promise'. Property 'getComputedStyle' in type 'E2EElement' is not assignable to the same property in base type 'E2EElemen

[rwaskiewicz]

Also ran git rev-list --all | git grep "initWebWorkerThread" && git rev-list --all | git grep "createWebWorkerMainController" on the exported variables/functions, and didn't find any other usages 🤔

[tanner-reits]

Took a quick look and didn't see these used anywhere either