zomo
6218d6bad1
update names based on the element from the mutation event rather than checking the chatbox for unchecked messages each mutation
34 lines
963 B
TypeScript
34 lines
963 B
TypeScript
export interface ChatMessage {
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username: string
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isMod: boolean
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}
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export function innermostElement<T extends Element, U extends Element>(
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elem: T
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): U {
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if (elem.children.length === 0) {
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// U is the type of the innermost element
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// since we're at the innermost element, we know T = U
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// so we can cast elem (T) to U
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return elem as any as U
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}
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let child = elem.children[0]
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return innermostElement<Element, U>(child)
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}
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export function elementTreeFind<T extends Element, U extends Element>(
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elem: T,
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fn: (elem: Element) => boolean
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): U | null {
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if (fn(elem)) {
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// U is the type of the element that satisfies fn()
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// since we're at the element that satisfies fn(), we know T = U
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// so we can cast elem (T) to U
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return elem as any as U
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}
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if (!elem.parentElement) {
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return null
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}
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return elementTreeFind<Element, U>(elem.parentElement, fn)
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}
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