[英]jspm / jQuery / TypeScript - module “jquery” has no default export
I'm trying to bootstrap a web app using TypeScript and jspm & system.js for module loading. 我正在尝试使用TypeScript和jspm&system.js来引导Web应用程序以进行模块加载。 I'm not getting very far.
我没有走得太远。 After installing jspm, and using it to install jQuery:
安装jspm后,用它来安装jQuery:
jspm install jquery
And the basics: 基础知识:
<script src="jspm_packages/system.js"></script>
<script src="config.js"></script>
<script>
System.import('main');
</script>
main.ts: main.ts:
import $ from "jquery";
export class Application {
constructor() {
console.log($);
}
}
The TypeScript won't compile because "Module 'jquery' has no default export. TypeScript将无法编译,因为“Module'jquery'没有默认导出。
The generated config.js has the correct mapping: "jquery": "npm:jquery@2.2.0" 生成的config.js具有正确的映射:“jquery”:“npm:jquery@2.2.0”
When the module doesn't have a default export, you can import the complete module as object: import * as $ from "jquery";
当模块没有默认导出时,您可以将完整模块作为对象
import * as $ from "jquery";
: import * as $ from "jquery";
or import named exports: import { ajax, css } from "jquery";
或者
import { ajax, css } from "jquery";
导入命名导出: import { ajax, css } from "jquery";
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