/* @flow strict */

export function isFormField(element: Node): boolean {

if (!(element instanceof HTMLElement)) {

return false

}

const name = element.nodeName.toLowerCase()

const type = (element.getAttribute('type') || '').toLowerCase()

return (

name === 'select' ||

name === 'textarea' ||

(name === 'input' && type !== 'submit' && type !== 'reset') ||

element.isContentEditable

)

}

export function fireDeterminedAction(el: HTMLElement): void {

if (isFormField(el)) {

el.focus()

} else if ((el instanceof HTMLAnchorElement && el.href) || el.tagName === 'BUTTON' || el.tagName === 'SUMMARY') {

el.click()

}

}

export function expandHotkeyToEdges(hotkey: string): string[][] {

return hotkey.split(',').map(edge => edge.split(' '))

}