fix: 修复 app-v3 uni.canvasToTempFilePath fileType 参数不生效的问题

src/core/helpers/protocol/context/canvas.js

@@ -63,9 +63,10 @@ export const canvasPutImageData = {
   }
 }
 
-const fileType = {
+const fileTypes = {
   PNG: 'png',
-  JPG: 'jpeg'
+  JPG: 'jpg',
+  JPEG: 'jpg'
 }
 
 export const canvasToTempFilePath = {
@@ -103,7 +104,7 @@ export const canvasToTempFilePath = {
     type: String,
     validator (value, params) {
       value = (value || '').toUpperCase()
-      params.fileType = value in fileType ? fileType[value] : fileType.PNG
+      params.fileType = value in fileTypes ? fileTypes[value] : fileTypes.PNG
     }
   },
   quality: {

src/core/view/components/canvas/index.vue

@@ -549,7 +549,8 @@ export default {
       const img = new Image()
       img.onload = () => {
         const canvas = getTempCanvas(destWidth, destHeight)
-        if (fileType === 'jpeg') {
+        if (fileType === 'jpeg' || fileType === 'jpg') {
+          fileType = 'jpeg'
           c2d.fillStyle = '#fff'
           c2d.fillRect(0, 0, destWidth, destHeight)
         }