feat: 小程序 CanvasContext.measureText 支持异步返回

src/platforms/mp-alipay/runtime/api/protocols.js

@@ -3,6 +3,8 @@ import {
 } from 'uni-shared'
 import navigateTo from 'uni-helpers/navigate-to'
 import redirectTo from '../../../mp-weixin/helpers/redirect-to'
+import createCanvasContext from '../../../mp-weixin/helpers/create-canvas-context'
+
 // 不支持的 API 列表
 const todos = [
   'preloadPage',
@@ -476,11 +478,12 @@ const protocols = { // 需要做转换的 API 列表
       result.telNumber = info.mobilePhone
       result.errMsg = result.resultStatus
     }
-  }
+  },
+  createCanvasContext
 }
 
 export {
   protocols,
   todos,
   canIUses
-}
+}

src/platforms/mp-baidu/runtime/api/protocols.js

 import navigateTo from 'uni-helpers/navigate-to'
 import redirectTo from '../../../mp-weixin/helpers/redirect-to'
 import previewImage from '../../../mp-weixin/helpers/normalize-preview-image'
+import createCanvasContext from '../../../mp-weixin/helpers/create-canvas-context'
+
 // 不支持的 API 列表
 const todos = [
   'preloadPage',
@@ -118,7 +120,8 @@ const protocols = {
   getAccountInfoSync: {
     name: 'getEnvInfoSync',
     returnValue: _handleEnvInfo
-  }
+  },
+  createCanvasContext
 }
 
 export {

src/platforms/mp-kuaishou/helpers/normalize-preview-image.js

-export default {
-  args (fromArgs) {
-    let currentIndex = parseInt(fromArgs.current)
-    if (isNaN(currentIndex)) {
-      return
-    }
-    const urls = fromArgs.urls
-    if (!Array.isArray(urls)) {
-      return
-    }
-    const len = urls.length
-    if (!len) {
-      return
-    }
-    if (currentIndex < 0) {
-      currentIndex = 0
-    } else if (currentIndex >= len) {
-      currentIndex = len - 1
-    }
-    if (currentIndex > 0) {
-      fromArgs.current = urls[currentIndex]
-      fromArgs.urls = urls.filter(
-        (item, index) => index < currentIndex ? item !== urls[currentIndex] : true
-      )
-    } else {
-      fromArgs.current = urls[0]
-    }
-    return {
-      indicator: false,
-      loop: false
-    }
-  }
-}

src/platforms/mp-kuaishou/runtime/api/protocols.js

 import navigateTo from 'uni-helpers/navigate-to'
 import redirectTo from '../../../mp-weixin/helpers/redirect-to'
-import previewImage from '../../helpers/normalize-preview-image'
+import previewImage from '../../../mp-weixin/helpers/normalize-preview-image'
+import createCanvasContext from '../../../mp-weixin/helpers/create-canvas-context'
+
 export const protocols = {
   navigateTo,
-  redirectTo,
-  previewImage
-}
+  redirectTo,
+  previewImage,
+  createCanvasContext
+}
 export const todos = [
   'vibrate'
-]
+]
 export const canIUses = []

src/platforms/mp-qq/runtime/api/protocols.js

-import navigateTo from 'uni-helpers/navigate-to'
-import redirectTo from '../../../mp-weixin/helpers/redirect-to'
+import navigateTo from 'uni-helpers/navigate-to'
+import redirectTo from '../../../mp-weixin/helpers/redirect-to'
 import previewImage from '../../../mp-weixin/helpers/normalize-preview-image'
-export const protocols = {
-  navigateTo,
+import createCanvasContext from '../../../mp-weixin/helpers/create-canvas-context'
+
+export const protocols = {
+  navigateTo,
   redirectTo,
-  previewImage
+  previewImage,
+  createCanvasContext
 }
 export const todos = [
   'preloadPage',

src/platforms/mp-toutiao/runtime/api/protocols.js

 import navigateTo from 'uni-helpers/navigate-to'
 import redirectTo from '../../../mp-weixin/helpers/redirect-to'
 import previewImage from '../../../mp-weixin/helpers/normalize-preview-image'
+import createCanvasContext from '../../../mp-weixin/helpers/create-canvas-context'
 
 // 不支持的 API 列表
 const todos = [
@@ -169,7 +170,8 @@ const protocols = {
     args: {
       digestAlgorithm: false
     }
-  }
+  },
+  createCanvasContext
 }
 
 export {

src/platforms/mp-weixin/helpers/create-canvas-context.js

+export default {
+  returnValue (fromRes, toRes) {
+    const measureText = fromRes.measureText
+    toRes.measureText = function (width, callback) {
+      const textMetrics = measureText.call(this, width)
+      if (typeof callback === 'function') {
+        setTimeout(() => callback(textMetrics), 0)
+      }
+      return textMetrics
+    }
+  }
+}

src/platforms/mp-weixin/runtime/api/protocols.js

 import navigateTo from 'uni-helpers/navigate-to'
 import redirectTo from '../../helpers/redirect-to'
 import previewImage from '../../helpers/normalize-preview-image'
+import createCanvasContext from '../../helpers/create-canvas-context'
 
 function addSafeAreaInsets (result) {
   if (result.safeArea) {
@@ -22,7 +23,8 @@ export const protocols = {
   },
   getSystemInfoSync: {
     returnValue: addSafeAreaInsets
-  }
+  },
+  createCanvasContext
 }
 export const todos = [
   'vibrate',

src/platforms/quickapp-webview/runtime/api/protocols.js

-import navigateTo from 'uni-helpers/navigate-to'
-import redirectTo from '../../../mp-weixin/helpers/redirect-to'
+import navigateTo from 'uni-helpers/navigate-to'
+import redirectTo from '../../../mp-weixin/helpers/redirect-to'
 import previewImage from '../../../mp-weixin/helpers/normalize-preview-image'
+import createCanvasContext from '../../../mp-weixin/helpers/create-canvas-context'
 
-export const protocols = {
-  navigateTo,
+export const protocols = {
+  navigateTo,
   redirectTo,
-  previewImage
+  previewImage,
+  createCanvasContext
 }
 export const todos = [
   'preloadPage',