createAsyncComponent.tsx
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import { defineAsyncComponent } from 'vue';
import { Spin } from 'ant-design-vue';
import { noop } from '/@/utils/index';
interface Options {
size?: 'default' | 'small' | 'large';
delay?: number;
timeout?: number;
loading?: boolean;
retry?: boolean;
}
export function createAsyncComponent(loader: Fn, options: Options = {}) {
const { size = 'small', delay = 100, timeout = 3000, loading = true, retry = true } = options;
return defineAsyncComponent({
loader,
loadingComponent: loading ? <Spin spinning={true} size={size} /> : undefined,
// The error component will be displayed if a timeout is
// provided and exceeded. Default: Infinity.
timeout,
// Defining if component is suspensible. Default: true.
// suspensible: false,
delay,
/**
*
* @param {*} error Error message object
* @param {*} retry A function that indicating whether the async component should retry when the loader promise rejects
* @param {*} fail End of failure
* @param {*} attempts Maximum allowed retries number
*/
onError: !retry
? noop
: (error, retry, fail, attempts) => {
if (error.message.match(/fetch/) && attempts <= 3) {
// retry on fetch errors, 3 max attempts
retry();
} else {
// Note that retry/fail are like resolve/reject of a promise:
// one of them must be called for the error handling to continue.
fail();
}
},
});
}