33 lines
649 B
TypeScript
33 lines
649 B
TypeScript
import {
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Agent,
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ClientRequest,
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RequestOptions,
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AgentCallbackCallback,
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AgentCallbackPromise,
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AgentCallbackReturn
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} from './index';
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type LegacyCallback = (
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req: ClientRequest,
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opts: RequestOptions,
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fn: AgentCallbackCallback
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) => void;
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export default function promisify(fn: LegacyCallback): AgentCallbackPromise {
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return function(this: Agent, req: ClientRequest, opts: RequestOptions) {
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return new Promise((resolve, reject) => {
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fn.call(
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this,
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req,
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opts,
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(err: Error | null | undefined, rtn?: AgentCallbackReturn) => {
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if (err) {
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reject(err);
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} else {
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resolve(rtn);
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}
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}
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);
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});
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};
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}
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