注意: 此页面尚未翻译成中文。以下内容为英文原版。 
type FetchPreflightFunc: (req) => Promise<FetchRequest>;
Called before any network request, allowing updated headers (e.g. Bearer tokens), etc.

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Parameters

ParameterType
reqFetchRequest

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Returns

Promise<FetchRequest>

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Source

utils/fetch.ts:52