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fix(ImagePreview): incorrectly closed after zooming (#10188)

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