Angular 12: Interface 'HTMLIonIconElement' cannot simultaneously extend types 'IonIcon' and 'HTMLStencilElement'

After upgrading to Angular 12, I get the following error when running ionic serve:

[ng] Build at: 2021-08-30T19:51:32.148Z - Hash: 7a7351ce16a902a5c859 - Time: 1247ms
[ng] Error: node_modules/ionicons/dist/types/components.d.ts:66:15 - error TS2320: Interface 'HTMLIonIconElement' cannot simultaneously extend types 'IonIcon' and 'HTMLStencilElement'.
[ng]   Named property 'ariaHidden' of types 'IonIcon' and 'HTMLStencilElement' are not identical.
[ng] 66     interface HTMLIonIconElement extends Components.IonIcon, HTMLStencilElement {
[ng]                  ~~~~~~~~~~~~~~~~~~
[ng] Error: node_modules/ionicons/dist/types/components.d.ts:66:15 - error TS2320: Interface 'HTMLIonIconElement' cannot simultaneously extend types 'IonIcon' and 'HTMLStencilElement'.
[ng]   Named property 'ariaLabel' of types 'IonIcon' and 'HTMLStencilElement' are not identical.
[ng] 66     interface HTMLIonIconElement extends Components.IonIcon, HTMLStencilElement {
[ng]                  ~~~~~~~~~~~~~~~~~~
[ng] Error: node_modules/typescript/lib/lib.dom.d.ts:4632:101 - error TS2344: Type 'HTMLElementTagNameMap[K]' does not satisfy the constraint 'Element'.
[ng]   Type 'HTMLElement | HTMLMetaElement | HTMLAnchorElement | HTMLAreaElement | HTMLAudioElement | ... 151 more ... | HTMLMarqueeElement' is not assignable to type 'Element'.
[ng]     Type 'HTMLIonIconElement' is not assignable to type 'Element'.
[ng]       Property 'ariaHidden' is optional in type 'HTMLIonIconElement' but required in type 'Element'.
[ng] 4632     getElementsByTagName<K extends keyof HTMLElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<HTMLElementTagNameMap[K]>;
[ng]                                                                                                          ~~~~~~~~~~~~~~~~~~~~~~~~
[ng] Error: node_modules/typescript/lib/lib.dom.d.ts:4953:101 - error TS2344: Type 'HTMLElementTagNameMap[K]' does not satisfy the constraint 'Element'.
[ng]   Type 'HTMLElement | HTMLMetaElement | HTMLAnchorElement | HTMLAreaElement | HTMLAudioElement | ... 151 more ... | HTMLMarqueeElement' is not assignable to type 'Element'.
[ng] 4953     getElementsByTagName<K extends keyof HTMLElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<HTMLElementTagNameMap[K]>;
[ng]                                                                                                          ~~~~~~~~~~~~~~~~~~~~~~~~

Any ideas how to solve this?

Thank you very much!
Rafael

5 posts - 2 participants

Read full topic