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refactor(components): [image-viewer] simplify emits type checking #8329

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merged 1 commit into from Jun 17, 2022
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9 changes: 7 additions & 2 deletions packages/components/image-viewer/src/image-viewer.ts
@@ -1,4 +1,9 @@
import { buildProps, definePropType, mutable } from '@element-plus/utils'
import {
buildProps,
definePropType,
isNumber,
mutable,
} from '@element-plus/utils'
import type { Component, ExtractPropTypes } from 'vue'

export type ImageViewerAction =
Expand Down Expand Up @@ -40,7 +45,7 @@ export type ImageViewerProps = ExtractPropTypes<typeof imageViewerProps>

export const imageViewerEmits = {
close: () => true,
switch: (index: number) => typeof index === 'number',
switch: (index: number) => isNumber(index),
}
export type ImageViewerEmits = typeof imageViewerEmits

Expand Down