feat: app-plus uploadFile

src/core/service/api/network/upload-file.js

+import {
+  invoke
+} from 'uni-core/service/bridge'
+
+import {
+  onMethod,
+  invokeMethod
+} from '../../platform'
+
+class UploadTask {
+  constructor (uploadTaskId, callbackId) {
+    this.id = uploadTaskId
+    this._callbackId = callbackId
+    this._callbacks = []
+  }
+  abort () {
+    invokeMethod('operateRequestTask', {
+      uploadTaskId: this.id,
+      operationType: 'abort'
+    })
+  }
+  onProgressUpdate (callback) {
+    if (typeof callback !== 'function') {
+      return
+    }
+    this._callbacks.push(callback)
+  }
+  onHeadersReceived () {
+
+  }
+  offProgressUpdate (callback) {
+    const index = this._callbacks.indexOf(callback)
+    if (index >= 0) {
+      this._callbacks.splice(index, 1)
+    }
+  }
+  offHeadersReceived () {
+
+  }
+}
+const uploadTasks = Object.create(null)
+onMethod('onUploadTaskStateChange', ({
+  uploadTaskId,
+  state,
+  data,
+  statusCode,
+  progress,
+  totalBytesSent,
+  totalBytesExpectedToSend,
+  errMsg
+}) => {
+  const uploadTask = uploadTasks[uploadTaskId]
+  const callbackId = uploadTask._callbackId
+
+  switch (state) {
+    case 'progressUpdate':
+      uploadTask._callbacks.forEach(callback => {
+        callback({
+          progress,
+          totalBytesSent,
+          totalBytesExpectedToSend
+        })
+      })
+      break
+    case 'success':
+      invoke(callbackId, {
+        data,
+        statusCode,
+        errMsg: 'request:ok'
+      })
+      // eslint-disable-next-line no-fallthrough
+    case 'fail':
+      invoke(callbackId, {
+        errMsg: 'request:fail ' + errMsg
+      })
+      // eslint-disable-next-line no-fallthrough
+    default:
+      // progressUpdate 可能晚于 success
+      setTimeout(() => {
+        delete uploadTasks[uploadTaskId]
+      }, 100)
+      break
+  }
+})
+export function uploadFile (args, callbackId) {
+  const {
+    uploadTaskId
+  } = invokeMethod('createUploadTask', args)
+  const task = new UploadTask(uploadTaskId, callbackId)
+  uploadTasks[uploadTaskId] = task
+  return task
+}