如何构造嵌套的Promises

mov格式转换器•2022-12-12•随笔•阅读22

如何构造嵌套的Promises

用

.then()

let doStuff = (resolve, reject) => {};let promise = new Promise(doStuff);doSomethingUntilPromiseisDone(  promise   .then(value => fetchValue(url))  .then(value => value.blob())  .then(saveToCache)).then(success => console.log("success!!")).catch(err => console.error(err))

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