@tdb/util/lib/helpers/http/http.js

Shared helpers and utilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var rxjs_1 = require("rxjs");
var operators_1 = require("rxjs/operators");
var constants_1 = require("../../constants");
var time_1 = require("../time");
var id_1 = require("../id");
if (constants_1.IS_BROWSER) {
    require('whatwg-fetch');
}
var _events$ = new rxjs_1.Subject();
exports.events$ = _events$.pipe(operators_1.share());
var DEFAULT_HEADERS = {
    Accept: 'application/json',
    'Content-Type': 'application/json',
};
function request(method, url, data, headers) {
    return tslib_1.__awaiter(this, void 0, void 0, function () {
        var timer, payload, event, ok, status, statusText, json, res, err_1, _a, error_1, response;
        return tslib_1.__generator(this, function (_b) {
            switch (_b.label) {
                case 0:
                    timer = time_1.time.timer();
                    payload = {
                        method: method,
                        headers: new Headers(tslib_1.__assign({}, DEFAULT_HEADERS, (headers || {}))),
                    };
                    if (data) {
                        payload.body = JSON.stringify(data);
                    }
                    event = {
                        id: id_1.id.shortid(),
                        stage: 'START',
                        method: method,
                        url: url,
                        data: data,
                        headers: payload.headers,
                    };
                    _events$.next(event);
                    ok = true;
                    status = 200;
                    statusText = 'OK';
                    _b.label = 1;
                case 1:
                    _b.trys.push([1, 3, , 4]);
                    return [4, fetch(url, payload)];
                case 2:
                    res = _b.sent();
                    ok = res.ok;
                    status = res.status;
                    statusText = res.statusText;
                    return [3, 4];
                case 3:
                    err_1 = _b.sent();
                    ok = false;
                    status = 521;
                    statusText = 'CONNECTION_REFUSED';
                    return [3, 4];
                case 4:
                    _b.trys.push([4, 8, , 9]);
                    if (!res) return [3, 6];
                    return [4, res.json()];
                case 5:
                    _a = _b.sent();
                    return [3, 7];
                case 6:
                    _a = undefined;
                    _b.label = 7;
                case 7:
                    json = _a;
                    return [3, 9];
                case 8:
                    error_1 = _b.sent();
                    return [3, 9];
                case 9:
                    response = {
                        ok: ok,
                        status: status,
                        statusText: statusText,
                        elapsed: timer.elapsed(),
                        data: json,
                    };
                    _events$.next(tslib_1.__assign({}, event, { stage: 'COMPLETE', response: response }));
                    return [2, response];
            }
        });
    });
}
exports.request = request;
function headers(headers) {
    return {
        get: function (url) {
            return request('GET', url, undefined, headers);
        },
        post: function (url, data) {
            return request('POST', url, data, headers);
        },
    };
}
exports.headers = headers;
var DEFAULT_METHODS = headers({});
exports.get = DEFAULT_METHODS.get;
exports.post = DEFAULT_METHODS.post;
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