Function attr2prop

attr2prop(
    instance: HTMLElement,
    name: string,
    oldValue: unknown,
    newValue: unknown,
): boolean
A helper to bridge the attribute world (kebab-case) to the property world (camelCase). It works in tandem with browser's observedAttributes feature which triggers attributeChangedCallback.
Parameters
- instance: HTMLElement
  A reference to the common component instance
- name: string
  kebab-case and in lower case exactly as it appears in observedAttributes.
- oldValue: unknown
  The previous value of the attribute.
- newValue: unknown
  The new value of the attribute.
Returns boolean
true if it tried to set the attribute; otherwise false.

Remarks
Your custom component class MUST define static observedAttributes[] otherwise attributeChangedCallback won't trigger. observedAttributes should contain kebab-based attribute names.

Throws
if the instance is not an HTMLElement or if the property corresponding to the attribute does not exist on the instance.

Throws
if setting the property throws an error for any reason.

See
Responding to attribute changes
- Defined in components.ts:23