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types: improve useTouch typing

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This commit is contained in:
chenjiahan 2020-10-06 16:41:02 +08:00
parent 1dd4083102
commit 9e9f0e3d4d
1 changed files with 3 additions and 3 deletions
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6
src/composition/use-touch.ts
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@ -2,15 +2,15 @@ import { ref } from 'vue';
const MIN_DISTANCE = 10;
type Direction = '' | 'vertical' | 'horizontal';
function getDirection(x: number, y: number) {
if (x > y && x > MIN_DISTANCE) {
return 'horizontal';
}
if (y > x && y > MIN_DISTANCE) {
return 'vertical';
}
return '';
}
@ -21,7 +21,7 @@ export function useTouch() {
const deltaY = ref(0);
const offsetX = ref(0);
const offsetY = ref(0);
const direction = ref('');
const direction = ref<Direction>('');
const isVertical = () => direction.value === 'vertical';
const isHorizontal = () => direction.value === 'horizontal';