message: [bugfix] Tab: scroll position after activated
diff: @@ -126,13 +126,14 @@ export default create({
  this.$nextTick(() => {
  this.handlers(true);
  - this.scrollIntoView();
  + this.scrollIntoView(true);
  });
  },
  activated() {
  this.$nextTick(() => {
  this.handlers(true);
  + this.scrollIntoView(true);
  });
  },
  @@ -258,7 +259,7 @@ export default create({
  },
  // scroll active tab into view
  - scrollIntoView() {
  + scrollIntoView(immediate) {
  if (!this.scrollable || !this.$refs.tabs) {
  return;
  }
  @@ -268,11 +269,16 @@ export default create({
  const { scrollLeft, offsetWidth: navWidth } = nav;
  const { offsetLeft, offsetWidth: tabWidth } = tab;
  - this.scrollTo(nav, scrollLeft, offsetLeft - (navWidth - tabWidth) / 2);
  + this.scrollTo(nav, scrollLeft, offsetLeft - (navWidth - tabWidth) / 2, immediate);
  },
  // animate the scrollLeft of nav
  - scrollTo(el, from, to) {
  + scrollTo(el, from, to, immediate) {
  + if (immediate) {
  + el.scrollLeft += to - from;
  + return;
  + }
  +
  let count = 0;
  const frames = Math.round(this.duration * 1000 / 16);
  const animate = () => {
  