pull/7947/head
Simon Holthausen 3 years ago
parent 85d45cb221
commit fc69b4b1c0

@ -166,7 +166,7 @@ export function derived<T>(stores: Stores, fn: Function, initial_value?: T): Rea
const single = !Array.isArray(stores); const single = !Array.isArray(stores);
const stores_array: Array<Readable<any>> = single ? [stores as Readable<any>] : stores as Array<Readable<any>>; const stores_array: Array<Readable<any>> = single ? [stores as Readable<any>] : stores as Array<Readable<any>>;
if (!stores_array.every(Boolean)) { if (!stores_array.every(Boolean)) {
throw new Error('derived() expects stores as input, got a falsy value') throw new Error('derived() expects stores as input, got a falsy value');
} }
const auto = fn.length < 2; const auto = fn.length < 2;

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