@apollo/client
Version:
A fully-featured caching GraphQL client.
39 lines • 1.62 kB
JavaScript
import { __assign, __extends } from "tslib";
import { print } from "graphql";
import { ApolloLink } from "../core/index.js";
import { isNonNullObject, Observable } from "../../utilities/index.js";
import { ApolloError } from "../../errors/index.js";
function isLikeCloseEvent(val) {
return isNonNullObject(val) && 'code' in val && 'reason' in val;
}
var GraphQLWsLink = (function (_super) {
__extends(GraphQLWsLink, _super);
function GraphQLWsLink(client) {
var _this = _super.call(this) || this;
_this.client = client;
return _this;
}
GraphQLWsLink.prototype.request = function (operation) {
var _this = this;
return new Observable(function (observer) {
return _this.client.subscribe(__assign(__assign({}, operation), { query: print(operation.query) }), {
next: observer.next.bind(observer),
complete: observer.complete.bind(observer),
error: function (err) {
if (err instanceof Error) {
return observer.error(err);
}
if (isLikeCloseEvent(err)) {
return observer.error(new Error("Socket closed with event ".concat(err.code, " ").concat(err.reason || "")));
}
return observer.error(new ApolloError({
graphQLErrors: Array.isArray(err) ? err : [err],
}));
},
});
});
};
return GraphQLWsLink;
}(ApolloLink));
export { GraphQLWsLink };
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