| 1 | import { __extends } from 'tslib';
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| 2 | import { ApolloLink, Observable } from 'apollo-link';
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| 3 |
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| 4 | var onError = function (errorHandler) {
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| 5 | return new ApolloLink(function (operation, forward) {
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| 6 | return new Observable(function (observer) {
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| 7 | var sub;
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| 8 | var retriedSub;
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| 9 | var retriedResult;
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| 10 | try {
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| 11 | sub = forward(operation).subscribe({
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| 12 | next: function (result) {
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| 13 | if (result.errors) {
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| 14 | retriedResult = errorHandler({
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| 15 | graphQLErrors: result.errors,
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| 16 | response: result,
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| 17 | operation: operation,
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| 18 | forward: forward,
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| 19 | });
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| 20 | if (retriedResult) {
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| 21 | retriedSub = retriedResult.subscribe({
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| 22 | next: observer.next.bind(observer),
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| 23 | error: observer.error.bind(observer),
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| 24 | complete: observer.complete.bind(observer),
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| 25 | });
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| 26 | return;
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| 27 | }
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| 28 | }
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| 29 | observer.next(result);
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| 30 | },
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| 31 | error: function (networkError) {
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| 32 | retriedResult = errorHandler({
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| 33 | operation: operation,
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| 34 | networkError: networkError,
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| 35 | graphQLErrors: networkError &&
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| 36 | networkError.result &&
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| 37 | networkError.result.errors,
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| 38 | forward: forward,
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| 39 | });
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| 40 | if (retriedResult) {
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| 41 | retriedSub = retriedResult.subscribe({
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| 42 | next: observer.next.bind(observer),
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| 43 | error: observer.error.bind(observer),
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| 44 | complete: observer.complete.bind(observer),
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| 45 | });
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| 46 | return;
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| 47 | }
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| 48 | observer.error(networkError);
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| 49 | },
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| 50 | complete: function () {
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| 51 | if (!retriedResult) {
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| 52 | observer.complete.bind(observer)();
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| 53 | }
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| 54 | },
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| 55 | });
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| 56 | }
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| 57 | catch (e) {
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| 58 | errorHandler({ networkError: e, operation: operation, forward: forward });
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| 59 | observer.error(e);
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| 60 | }
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| 61 | return function () {
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| 62 | if (sub)
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| 63 | sub.unsubscribe();
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| 64 | if (retriedSub)
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| 65 | sub.unsubscribe();
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| 66 | };
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| 67 | });
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| 68 | });
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| 69 | };
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| 70 | var ErrorLink = (function (_super) {
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| 71 | __extends(ErrorLink, _super);
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| 72 | function ErrorLink(errorHandler) {
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| 73 | var _this = _super.call(this) || this;
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| 74 | _this.link = onError(errorHandler);
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| 75 | return _this;
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| 76 | }
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| 77 | ErrorLink.prototype.request = function (operation, forward) {
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| 78 | return this.link.request(operation, forward);
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| 79 | };
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| 80 | return ErrorLink;
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| 81 | }(ApolloLink));
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| 82 |
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| 83 | export { onError, ErrorLink };
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| 84 |
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