HarmonyOS resourceDir返回空值

createModuleContext(‘library’);先根据模块名创建ModuleContext，再获取

import { common } from '@kit.AbilityKit';
@Entry
@Component
export struct Index1 {
  context = getContext(this) as common.UIAbilityContext;
  moduleContext = this.context.createModuleContext('library');
  @State message: string = 'Hello World';
  aboutToAppear(): void {
    console.log(this.moduleContext.resourceDir)
  }
  build() {
    Row() {
      Column() {
        Text(this.message)
          .fontSize(50)
          .fontWeight(FontWeight.Bold)
      }
      .width('100%')
    }
    .height('100%')
  }
}
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