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32 lines
1.2 KiB
32 lines
1.2 KiB
import { __rest } from "tslib"; |
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import { ApolloLink } from "../core/index.js"; |
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import { Observable } from "../../utilities/index.js"; |
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export function setContext(setter) { |
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return new ApolloLink(function (operation, forward) { |
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var request = __rest(operation, []); |
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return new Observable(function (observer) { |
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var handle; |
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var closed = false; |
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Promise.resolve(request) |
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.then(function (req) { return setter(req, operation.getContext()); }) |
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.then(operation.setContext) |
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.then(function () { |
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// if the observer is already closed, no need to subscribe. |
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if (closed) |
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return; |
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handle = forward(operation).subscribe({ |
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next: observer.next.bind(observer), |
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error: observer.error.bind(observer), |
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complete: observer.complete.bind(observer), |
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}); |
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}) |
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.catch(observer.error.bind(observer)); |
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return function () { |
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closed = true; |
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if (handle) |
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handle.unsubscribe(); |
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}; |
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}); |
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}); |
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} |
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//# sourceMappingURL=index.js.map
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