fix(avatarcropper): 报错 (#2364)

Miles-hxy · web-flow · commit 642285ba7b60 · 2024-07-02T17:06:20.000+08:00
diff --git a/src/packages/avatarcropper/avatarcropper.taro.tsx b/src/packages/avatarcropper/avatarcropper.taro.tsx
@@ -272,6 +272,7 @@ export const AvatarCropper: FunctionComponent<Partial<AvatarCropperProps>> = (
     if (canvasDom?.tagName !== 'CANVAS') {
       canvas = canvasDom?.getElementsByTagName('canvas')[0] as HTMLCanvasElement
     }
+    if (!canvas) return
     canvas.width = state.displayWidth
     canvas.height = state.displayHeight
     const ctx = canvas.getContext('2d') as CanvasRenderingContext2D

Original file line number	Diff line number	Diff line change
`@@ -272,6 +272,7 @@ export const AvatarCropper: FunctionComponent<Partial<AvatarCropperProps>> = (`
`272`	`272`	`if (canvasDom?.tagName !== 'CANVAS') {`
`273`	`273`	`canvas = canvasDom?.getElementsByTagName('canvas')[0] as HTMLCanvasElement`
`274`	`274`	`}`
	`275`	`+ if (!canvas) return`
`275`	`276`	`canvas.width = state.displayWidth`
`276`	`277`	`canvas.height = state.displayHeight`
`277`	`278`	`const ctx = canvas.getContext('2d') as CanvasRenderingContext2D`