"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var graphql_1 = require("graphql");
var httpObservable_1 = require("./httpObservable");
var fetcherUtils_1 = require("./fetcherUtils");
var httpUtils_1 = require("./httpUtils");
require("isomorphic-fetch");
var HttpFetcher = (function () {
function HttpFetcher(fetchParams) {
var _this = this;
this.createHttpObservable = function (fetchParams) {
var uri = fetchParams.uri, body = fetchParams.body, method = fetchParams.method, headers = fetchParams.headers;
var fetchResult = _this._fetch ? _this._fetch(uri, { headers: headers, body: body, method: method }) : fetch(uri, { headers: headers, body: body, method: method });
return new httpObservable_1.default(fetchResult.then(function (res) { return res.json(); }));
};
this._fetch = fetchParams && fetchParams.fetch;
this._uri = fetchParams && fetchParams.uri ? fetchParams.uri : '';
}
HttpFetcher.prototype.request = function (operation) {
fetcherUtils_1.validateOperation(operation);
var query = operation.query, variables = operation.variables, operationName = operation.operationName, context = operation.context;
var method = httpUtils_1.default.getRequestType(query);
var headers = { 'Accept': '*/*' };
switch (method) {
case 'GET':
var uri = httpUtils_1.default.buildURI(this._uri, operation);
return this.createHttpObservable({
uri: uri,
headers: headers,
method: method,
});
case 'POST':
headers['Content-Type'] = 'application/json';
var body = JSON.stringify({
query: graphql_1.print(query),
variables: variables,
operationName: operationName,
context: context,
});
return this.createHttpObservable({
uri: this._uri,
headers: headers,
method: method,
body: body,
});
default:
throw new Error('');
}
};
return HttpFetcher;
}());
exports.default = HttpFetcher;
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