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chore: rename scroller param

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This commit is contained in:
chenjiahan 2020-02-29 17:08:35 +08:00
parent 0993b394b1
commit cab097fafb
1 changed files with 10 additions and 6 deletions
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16
src/tabs/utils.ts
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@ -3,15 +3,19 @@ import { getScrollTop, setScrollTop } from '../utils/dom/scroll';
let scrollLeftRafId: number;
export function scrollLeftTo(el: HTMLElement, to: number, duration: number) {
export function scrollLeftTo(
scroller: HTMLElement,
to: number,
duration: number
) {
cancelRaf(scrollLeftRafId);
let count = 0;
const from = el.scrollLeft;
const from = scroller.scrollLeft;
const frames = duration === 0 ? 1 : Math.round((duration * 1000) / 16);
function animate() {
el.scrollLeft += (to - from) / frames;
scroller.scrollLeft += (to - from) / frames;
if (++count < frames) {
scrollLeftRafId = raf(animate);
@ -22,12 +26,12 @@ export function scrollLeftTo(el: HTMLElement, to: number, duration: number) {
}
export function scrollTopTo(
el: HTMLElement,
scroller: HTMLElement,
to: number,
duration: number,
callback: Function
) {
let current = getScrollTop(el);
let current = getScrollTop(scroller);
const isDown = current < to;
const frames = duration === 0 ? 1 : Math.round((duration * 1000) / 16);
@ -40,7 +44,7 @@ export function scrollTopTo(
current = to;
}
setScrollTop(el, current);
setScrollTop(scroller, current);
if ((isDown && current < to) || (!isDown && current > to)) {
raf(animate);