如何将Array.map链从异步等待中关闭? [英] How to Array.map chain off of async await?
本文介绍了如何将Array.map链从异步等待中关闭?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何在等待状态下运行Array.map?
How can I run Array.map off of an await?
const CLASS_PATH = 'User/matt/Github/project';
const PACKAGE_JSON = 'package.json';
const walk = async path => {
let dirs = [];
for (const file of await readdir(path)) {
if ((await stat(join(path, file))).isDirectory()) {
dirs = [
...dirs,
file,
];
}
}
return dirs;
};
async function main() {
const packagePaths = await walk(CLASS_PATH)
.map(pkgName => join(CLASS_PATH, pkgName, PACKAGE_JSON));
}
main();
推荐答案
始终可以使用方括号来更改操作员的先决条件:
Brackets can always be used to change operator predescendence:
(await walk(CLASS_PATH)).map(/*...*/)
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