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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; let scrollLeftRafId: number;
export function scrollLeftTo(el: HTMLElement, to: number, duration: number) { export function scrollLeftTo(
scroller: HTMLElement,
to: number,
duration: number
) {
cancelRaf(scrollLeftRafId); cancelRaf(scrollLeftRafId);
let count = 0; let count = 0;
const from = el.scrollLeft; const from = scroller.scrollLeft;
const frames = duration === 0 ? 1 : Math.round((duration * 1000) / 16); const frames = duration === 0 ? 1 : Math.round((duration * 1000) / 16);
function animate() { function animate() {
el.scrollLeft += (to - from) / frames; scroller.scrollLeft += (to - from) / frames;
if (++count < frames) { if (++count < frames) {
scrollLeftRafId = raf(animate); scrollLeftRafId = raf(animate);
@ -22,12 +26,12 @@ export function scrollLeftTo(el: HTMLElement, to: number, duration: number) {
} }
export function scrollTopTo( export function scrollTopTo(
el: HTMLElement, scroller: HTMLElement,
to: number, to: number,
duration: number, duration: number,
callback: Function callback: Function
) { ) {
let current = getScrollTop(el); let current = getScrollTop(scroller);
const isDown = current < to; const isDown = current < to;
const frames = duration === 0 ? 1 : Math.round((duration * 1000) / 16); const frames = duration === 0 ? 1 : Math.round((duration * 1000) / 16);
@ -40,7 +44,7 @@ export function scrollTopTo(
current = to; current = to;
} }
setScrollTop(el, current); setScrollTop(scroller, current);
if ((isDown && current < to) || (!isDown && current > to)) { if ((isDown && current < to) || (!isDown && current > to)) {
raf(animate); raf(animate);