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

 <template>
-  <uni-canvas
-    :canvas-id="canvasId"
-    :disable-scroll="disableScroll"
+  <uni-canvas
+    :canvas-id="canvasId"
+    :disable-scroll="disableScroll"
     v-on="_listeners">
-    <canvas
-      ref="canvas"
-      width="300"
+    <canvas
+      ref="canvas"
+      width="300"
       height="150" />
     <div style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden;">
       <slot />
     </div>
-    <v-uni-resize-sensor
-      ref="sensor"
+    <v-uni-resize-sensor
+      ref="sensor"
       @resize="_resize" />
   </uni-canvas>
 </template>
@@ -121,15 +121,15 @@ export default {
         method(data)
       }
     },
-    _resize () {
-      var canvas = this.$refs.canvas
-      if (canvas.width > 0 && canvas.height > 0) {
-        var context = canvas.getContext('2d')
+    _resize () {
+      var canvas = this.$refs.canvas
+      if (canvas.width > 0 && canvas.height > 0) {
+        var context = canvas.getContext('2d')
         var imageData = context.getImageData(0, 0, canvas.width, canvas.height)
-        wrapper(this.$refs.canvas)
-        context.putImageData(imageData, 0, 0)
-      } else {
-        wrapper(this.$refs.canvas)
+        wrapper(this.$refs.canvas)
+        context.putImageData(imageData, 0, 0)
+      } else {
+        wrapper(this.$refs.canvas)
       }
     },
     _touchmove (event) {
@@ -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)
         }