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记一个filter函数传参的小技巧 #2

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ibufu opened this issue Aug 31, 2016 · 0 comments

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ibufu commented Aug 31, 2016

const middleware = [
    thunk,
    api,
    !__NODE__ && createLogger(),
].filter(Boolean);

利用Boolean的构造方法作为参数，效果等于

el => !!el

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