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Published
20 hours ago •
ionic-team
ionic-team
fix (compiler) Fix race condition between writing app.esm.js and optimizeEsmImport
Background
I've been investigating an issue where I was getting differing builds between my local build and my CI build (Netlify).
Specifically I was seeing that locally the <script type="module" src="/build/app.esm.js"></script> tag was being re-written to the hashed version e.g. <script type="module" src="/build/p-703da46a.js" data-stencil data-resources-url="/build/" data-stencil-namespace="app"></script> - which is what I wanted. But on Netlify the app.esm.js src was remaining in the output index.html file, which was causing me service-worker/caching problems (see below).
Similar things have been reported https://github.com/ionic-team/stencil/issues/2659, https://github.com/ionic-team/stencil/issues/2687 and https://github.com/ionic-team/stencil/issues/1631.
Issue
In the compiler, the optimizeEsmImport function is responsible for finding the app.esm.js file and replacing it with the hashed file name.
On stepping through the code I found that when optimizeEsmImport was being called, it was failing to find the content of the entryPath and so not replacing the script src attribute.
Looking at generateOutputTargets I could see that outputLazy (which is responsible for writing the app.esm.js file) and outputWww (which writes the index.html, and calls optimizeEsmImport) were being run in a big Promise.all([]) so are basically racing against each other, with no guarantee that one will finish before the other (unless there is some other subtle system I haven't seen where one of those promises will wait for another).
So the fix was just to move the outputWww until after the Promise.all, in exactly the same way that outputDocs and outputTypes need to run afterwards.
Side Note - Service Workers #####################
I'd just like to note that when the above behaviour does occur - i.e. you end up with the app.esm.js src in your final index.html, it's a total nightmare for PWAs and service workers. For starters the app.esm.js file is globIgnored by the service worker config, so the PWA is totally broken to start with in an offline scenario as the main entry module isn't (pre)cached. If you write a custom service worker that does precache the app.esm.js, that's better but there is no cache busting / hashing of that file, so as soon as you deploy a new build to e.g. Netlify (which wipes out all the previous .entry.js files) again your app is broken because your now old app.esm.js file is requesting files that no longer exist.
Thanks @joewoodhouse! I think I have an idea as to what's happening here. To further investigate, could you please send a minimal reproduction? I understand this is happening in a CI environment and that part may be hard to give us access to. Even a project where this happens would be super helpful. Thanks!
Hi @rwaskiewicz
Thanks for taking a look. Here's a basic repo that should create the issue https://github.com/joewoodhouse/stencil-pr-2970
I think probably the reason partly comes down to the CI environment not having an existing www folder when the build happens, so perhaps something to do with caching? In that repo if you run npm run build you should get the failure (i.e. you'll see app.esm.js in www/index.html). However if you then run npm run build.nodelete it will work (the app.esm.js will be replaced with p-XXXXX.js or similar).
Let me know if you need anything else.
@rwaskiewicz just to flag I replied to this 12 days ago but it's still labelled as awaiting reply. Let me know if you need any more info.
--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 messagesType '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<ComponentConstructor>'. 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<BuilderProgram>'. 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<EmitAndSemanticDiagnosticsBuilderProgram>; rebuild: () => void; }'. Type '(this: PluginContext, importee: string, importer: string) => Promise 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<PartialResolvedId>' 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<OutputTargetDist>'. 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<PrerenderUrlResults>'. 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 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<Node>'. Type 'undefined' is not assignable to type 'VisitResult<Node>'. 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<IncomingMessage>, 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 Type 'Promise Type 'undefined' is not assignable to type 'Promise<HostElement>'. 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 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 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<Element>'. Type 'null' is not assignable to type 'E2EPageInternal'. Type 'ElementHandle<Element> | null' is not assignable to type 'ElementHandle<Element>'. Type 'null' is not assignable to type 'ElementHandle<Element>'. Type 'ElementHandle Type 'null' is not assignable to type 'ElementHandle<Element>'. Type 'ElementHandle<Node> | null' is not assignable to type 'ElementHandle<Element> | null'. Type 'ElementHandle<Node>' is not assignable to type 'ElementHandle<Element>'. 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<CompilerBuildResults>'. 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 messagesArgument 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 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<HeritageClause> | undefined' is not assignable to parameter of type 'NodeArray<HeritageClause> | HeritageClause[]'. Type 'undefined' is not assignable to type 'NodeArray<HeritageClause> | 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 Type 'undefined' is not assignable to type 'Promise<HostElement>'. 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<E2EElement>'. Argument of type '(elm: Element, pseudoElt: string) => any' is not assignable to parameter of type 'string | EvaluateFunc<[ElementHandle<Element>, string | null | undefined]>'. Type '(elm: Element, pseudoElt: string) => any' is not assignable to type 'EvaluateFunc<[ElementHandle<Element>, 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 messagesCannot invoke an object which is possibly 'undefined'. |
| TS2532 | 38 | Error messagesObject is possibly 'undefined'. |
| TS2531 | 25 | Error messagesObject is possibly 'null'. |
| TS2454 | 15 | Error messagesVariable '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 messagesConversion 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 messagesNo 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<EmitAndSemanticDiagnosticsBuilderProgram> | 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<EmitAndSemanticDiagnosticsBuilderProgram> | 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 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 Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. |
| TS2790 | 10 | Error messagesThe operand of a 'delete' operator must be optional. |
| TS2538 | 8 | Error messagesType 'undefined' cannot be used as an index type.Type 'null' cannot be used as an index type. |
| TS2344 | 5 | Error messagesType 'T' does not satisfy the constraint 'Answers'. |
| TS2416 | 5 | Error messagesProperty '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<E2EElement>'. Type 'Promise<E2EElement | null>' is not assignable to type 'Promise<E2EElement>'. 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<E2EElement>'. Property 'getComputedStyle' in type 'E2EElement' is not assignable to the same property in base type 'E2EElemen |
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