element-plus/packages/utils/dom/position.ts
三咲智子 6503e55277
refactor(utils): migrate utils (#5949)
* refactor(utils-v2): migrate utils

* refactor(utils-v2): migrate utils

* refactor(utils-v2): migrate utils

* refactor(utils): remove

* refactor(utils): rename

* refactor(utils): move EVENT_CODE to constants

* refactor: remove generic
2022-02-11 11:03:15 +08:00

67 lines
1.6 KiB
TypeScript

import { isClient } from '@vueuse/core'
export const isInContainer = (
el?: Element,
container?: Element | Window
): boolean => {
if (!isClient || !el || !container) return false
const elRect = el.getBoundingClientRect()
let containerRect: Pick<DOMRect, 'top' | 'bottom' | 'left' | 'right'>
if (container instanceof Element) {
containerRect = container.getBoundingClientRect()
} else {
containerRect = {
top: 0,
right: window.innerWidth,
bottom: window.innerHeight,
left: 0,
}
}
return (
elRect.top < containerRect.bottom &&
elRect.bottom > containerRect.top &&
elRect.right > containerRect.left &&
elRect.left < containerRect.right
)
}
export const getOffsetTop = (el: HTMLElement) => {
let offset = 0
let parent = el
while (parent) {
offset += parent.offsetTop
parent = parent.offsetParent as HTMLElement
}
return offset
}
export const getOffsetTopDistance = (
el: HTMLElement,
containerEl: HTMLElement
) => {
return Math.abs(getOffsetTop(el) - getOffsetTop(containerEl))
}
export const getClientXY = (event: MouseEvent | TouchEvent) => {
let clientX: number
let clientY: number
if (event.type === 'touchend') {
clientY = (event as TouchEvent).changedTouches[0].clientY
clientX = (event as TouchEvent).changedTouches[0].clientX
} else if (event.type.startsWith('touch')) {
clientY = (event as TouchEvent).touches[0].clientY
clientX = (event as TouchEvent).touches[0].clientX
} else {
clientY = (event as MouseEvent).clientY
clientX = (event as MouseEvent).clientX
}
return {
clientX,
clientY,
}
}