| 1 | type nodeCallback<T> = (err: Error | null, ...a: T[]) => any;
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| 2 |
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| 3 | // Delegates to `succ` on sucecss or to `fail` on error
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| 4 | // ex: Thing.load(123, iferr(cb, thing => ...))
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| 5 | declare function iferr<T>(fail: (err: Error) => void, succ: (...result: T[]) => void): nodeCallback<T>;
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| 6 |
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| 7 | declare namespace iferr {
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| 8 | // Delegates to `succ` on sucecss or to `fail` on error
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| 9 | // ex: Thing.load(123, iferr(cb, thing => ...))
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| 10 | function iferr<T>(fail: (err: Error) => void, succ: (...result: T[]) => void): nodeCallback<T>;
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| 11 |
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| 12 | // Like iferr, but also catches errors thrown from `succ` and passes to `fail`
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| 13 | function tiferr<T>(fail: (err: Error) => void, succ: (...result: T[]) => void): nodeCallback<T>;
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| 14 |
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| 15 | // Delegate to the success function on success, throws the error otherwise
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| 16 | // ex: Thing.load(123, throwerr(thing => ...))
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| 17 | function throwerr<T>(succ: (...result: T[]) => void): nodeCallback<T>;
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| 18 |
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| 19 | // Prints errors when one is passed, or does nothing otherwise
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| 20 | // ex: Thing.load(123, printerr)
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| 21 | function printerr(): nodeCallback<any>;
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| 22 | }
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| 23 |
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| 24 | export = iferr;
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