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fix(ImagePreview): incorrectly closed after zooming ()

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neverland 2022-01-14 17:11:00 +08:00 committed by GitHub
parent 481bad5df9
commit b4e3c3374c
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1 changed files with 8 additions and 2 deletions

10
packages/vant/src/image-preview/ImagePreviewItem.tsx

@ -131,6 +131,7 @@ export default defineComponent({
state.moveY = 0;
};
let fingerNum: number;
let startMoveX: number;
let startMoveY: number;
let startScale: number;
@ -144,12 +145,13 @@ export default defineComponent({
touch.start(event);
fingerNum = touches.length;
startMoveX = state.moveX;
startMoveY = state.moveY;
touchStartTime = Date.now();
state.moving = touches.length === 1 && state.scale !== 1;
state.zooming = touches.length === 2 && !offsetX.value;
state.moving = fingerNum === 1 && state.scale !== 1;
state.zooming = fingerNum === 2 && !offsetX.value;
if (state.zooming) {
startScale = state.scale;
@ -183,6 +185,10 @@ export default defineComponent({
};
const checkTap = () => {
if (fingerNum > 1) {
return;
}
const { offsetX, offsetY } = touch;
const deltaTime = Date.now() - touchStartTime;
const TAP_TIME = 250;