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

package.json

@@ -34,7 +34,7 @@
     "node": ">=10.0.0"
   },
   "devDependencies": {
-    "@dcloudio/types": "^2.0.0",
+    "@dcloudio/types": "^2.0.6",
     "@ls-lint/ls-lint": "^1.8.0",
     "@microsoft/api-extractor": "^7.3.9",
     "@rollup/plugin-alias": "^3.1.1",

packages/uni-mp-alipay/src/api/protocols.ts

@@ -2,7 +2,7 @@ import { isPlainObject, isArray } from '@vue/shared'
 
 import { addSafeAreaInsets } from '@dcloudio/uni-mp-core'
 
-export { redirectTo } from '@dcloudio/uni-mp-core'
+export { redirectTo, createCanvasContext } from '@dcloudio/uni-mp-core'
 
 function handleNetworkInfo(
   fromRes: my.IGetNetworkTypeSuccessResult,

packages/uni-mp-baidu/src/api/protocols.ts

@@ -2,7 +2,8 @@ export {
   redirectTo,
   previewImage,
   getSystemInfo,
-  getSystemInfoSync
+  getSystemInfoSync,
+  createCanvasContext
 } from '@dcloudio/uni-mp-core'
 
 function createTodoMethod(contextName: string, methodName: string) {

packages/uni-mp-core/src/api/protocols.ts

@@ -102,3 +102,19 @@ export const getSystemInfo = {
 export const getSystemInfoSync = getSystemInfo
 
 export const redirectTo = {}
+
+export const createCanvasContext: MPProtocol = {
+  returnValue(fromRes: any, toRes: UniApp.CanvasContext) {
+    const measureText = fromRes.measureText
+    toRes.measureText = function(
+      text: string,
+      callback: (measureText: UniApp.CanvasTextMetrics) => void
+    ) {
+      const textMetrics = measureText.call(this, text)
+      if (typeof callback === 'function') {
+        setTimeout(() => callback(textMetrics), 0)
+      }
+      return textMetrics
+    }
+  }
+}

packages/uni-mp-core/src/index.ts

@@ -38,7 +38,8 @@ export {
   previewImage,
   getSystemInfo,
   getSystemInfoSync,
-  addSafeAreaInsets
+  addSafeAreaInsets,
+  createCanvasContext
 } from './api/protocols'
 // types
 export { MiniProgramAppOptions, MiniProgramAppInstance } from './runtime/app'

packages/uni-mp-qq/src/api/protocols.ts

@@ -2,5 +2,6 @@ export {
   redirectTo,
   previewImage,
   getSystemInfo,
-  getSystemInfoSync
+  getSystemInfoSync,
+  createCanvasContext
 } from '@dcloudio/uni-mp-core'

packages/uni-mp-toutiao/src/api/protocols.ts

-export { redirectTo, previewImage } from '@dcloudio/uni-mp-core'
+export {
+  redirectTo,
+  previewImage,
+  createCanvasContext
+} from '@dcloudio/uni-mp-core'
 export const chooseImage = {
   args: {
     sizeType: false

packages/uni-mp-weixin/src/api/protocols.ts

@@ -2,5 +2,6 @@ export {
   redirectTo,
   previewImage,
   getSystemInfo,
-  getSystemInfoSync
+  getSystemInfoSync,
+  createCanvasContext
 } from '@dcloudio/uni-mp-core'

packages/uni-quickapp-webview/src/api/protocols.ts

@@ -2,5 +2,6 @@ export {
   redirectTo,
   previewImage,
   getSystemInfo,
-  getSystemInfoSync
+  getSystemInfoSync,
+  createCanvasContext
 } from '@dcloudio/uni-mp-core'

yarn.lock

@@ -271,10 +271,10 @@
     exec-sh "^0.3.2"
     minimist "^1.2.0"
 
-"@dcloudio/types@^2.0.0":
-  version "2.0.5"
-  resolved "https://registry.npmjs.org/@dcloudio/types/-/types-2.0.5.tgz#4a1e719775b53363945548d45535d5386ffaeaf9"
-  integrity sha512-4lNLAEECY5DEqfsnWIKR2T3lgZKvZIHEpljHVcBr28evbae7GA6pbUnitkEoA7o+yW3E83Sin0hwWBnBfb7B1A==
+"@dcloudio/types@^2.0.6":
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/@dcloudio/types/-/types-2.0.6.tgz#33daf724a58b593deef1294c210dad6509f1133d"
+  integrity sha512-ZOGaQMV2Xv8AtP2zBEURNVE62964fXZx1yCcMHRYxKPQtUzeOW0ZZVRkO6dxWLs/GE1GXTVJlJl/A9loLHqQOA==
 
 "@eslint/eslintrc@^0.1.0":
   version "0.1.0"