mirror of
https://github.com/CamHenlin/MessagesForMacintosh.git
synced 2024-11-29 08:49:40 +00:00
87 lines
3.5 KiB
JavaScript
87 lines
3.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var zen_observable_ts_1 = tslib_1.__importDefault(require("zen-observable-ts"));
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var ts_invariant_1 = require("ts-invariant");
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var linkUtils_1 = require("./linkUtils");
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function passthrough(op, forward) {
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return forward ? forward(op) : zen_observable_ts_1.default.of();
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}
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function toLink(handler) {
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return typeof handler === 'function' ? new ApolloLink(handler) : handler;
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}
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function empty() {
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return new ApolloLink(function () { return zen_observable_ts_1.default.of(); });
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}
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exports.empty = empty;
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function from(links) {
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if (links.length === 0)
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return empty();
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return links.map(toLink).reduce(function (x, y) { return x.concat(y); });
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}
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exports.from = from;
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function split(test, left, right) {
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var leftLink = toLink(left);
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var rightLink = toLink(right || new ApolloLink(passthrough));
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if (linkUtils_1.isTerminating(leftLink) && linkUtils_1.isTerminating(rightLink)) {
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return new ApolloLink(function (operation) {
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return test(operation)
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? leftLink.request(operation) || zen_observable_ts_1.default.of()
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: rightLink.request(operation) || zen_observable_ts_1.default.of();
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});
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}
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else {
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return new ApolloLink(function (operation, forward) {
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return test(operation)
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? leftLink.request(operation, forward) || zen_observable_ts_1.default.of()
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: rightLink.request(operation, forward) || zen_observable_ts_1.default.of();
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});
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}
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}
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exports.split = split;
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exports.concat = function (first, second) {
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var firstLink = toLink(first);
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if (linkUtils_1.isTerminating(firstLink)) {
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ts_invariant_1.invariant.warn(new linkUtils_1.LinkError("You are calling concat on a terminating link, which will have no effect", firstLink));
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return firstLink;
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}
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var nextLink = toLink(second);
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if (linkUtils_1.isTerminating(nextLink)) {
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return new ApolloLink(function (operation) {
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return firstLink.request(operation, function (op) { return nextLink.request(op) || zen_observable_ts_1.default.of(); }) || zen_observable_ts_1.default.of();
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});
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}
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else {
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return new ApolloLink(function (operation, forward) {
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return (firstLink.request(operation, function (op) {
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return nextLink.request(op, forward) || zen_observable_ts_1.default.of();
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}) || zen_observable_ts_1.default.of());
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});
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}
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};
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var ApolloLink = (function () {
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function ApolloLink(request) {
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if (request)
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this.request = request;
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}
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ApolloLink.prototype.split = function (test, left, right) {
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return this.concat(split(test, left, right || new ApolloLink(passthrough)));
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};
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ApolloLink.prototype.concat = function (next) {
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return exports.concat(this, next);
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};
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ApolloLink.prototype.request = function (operation, forward) {
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throw new ts_invariant_1.InvariantError('request is not implemented');
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};
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ApolloLink.empty = empty;
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ApolloLink.from = from;
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ApolloLink.split = split;
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ApolloLink.execute = execute;
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return ApolloLink;
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}());
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exports.ApolloLink = ApolloLink;
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function execute(link, operation) {
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return (link.request(linkUtils_1.createOperation(operation.context, linkUtils_1.transformOperation(linkUtils_1.validateOperation(operation)))) || zen_observable_ts_1.default.of());
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}
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exports.execute = execute;
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//# sourceMappingURL=link.js.map
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