ethers.js/packages/web/lib/geturl.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
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    function verb(n) { return function (v) { return step([n, v]); }; }
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            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
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    }
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var http_1 = __importDefault(require("http"));
var https_1 = __importDefault(require("https"));
var url_1 = require("url");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
function getResponse(request) {
    return new Promise(function (resolve, reject) {
        request.once("response", function (resp) {
            var response = {
                statusCode: resp.statusCode,
                statusMessage: resp.statusMessage,
                headers: Object.keys(resp.headers).reduce(function (accum, name) {
                    var value = resp.headers[name];
                    if (Array.isArray(value)) {
                        value = value.join(", ");
                    }
                    accum[name] = value;
                    return accum;
                }, {}),
                body: null
            };
            resp.setEncoding("utf8");
            resp.on("data", function (chunk) {
                if (response.body == null) {
                    response.body = "";
                }
                response.body += chunk;
            });
            resp.on("end", function () {
                resolve(response);
            });
            resp.on("error", function (error) {
                error.response = response;
                reject(error);
            });
        });
        request.on("error", function (error) { reject(error); });
    });
}
function getUrl(href, options) {
    return __awaiter(this, void 0, void 0, function () {
        var url, request, req, response;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (options == null) {
                        options = {};
                    }
                    url = new url_1.URL(href);
                    request = {
                        protocol: url.protocol,
                        hostname: url.hostname,
                        port: url.port,
                        path: (url.pathname + url.search),
                        method: (options.method || "GET"),
                        headers: (options.headers || {}),
                    };
                    req = null;
                    switch (url.protocol) {
                        case "http:":
                            req = http_1.default.request(request);
                            break;
                        case "https:":
                            req = https_1.default.request(request);
                            break;
                        default:
                            logger.throwError("unsupported protocol " + url.protocol, logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
                                protocol: url.protocol,
                                operation: "request"
                            });
                    }
                    if (options.body) {
                        req.write(options.body);
                    }
                    req.end();
                    return [4 /*yield*/, getResponse(req)];
                case 1:
                    response = _a.sent();
                    return [2 /*return*/, response];
            }
        });
    });
}
exports.getUrl = getUrl;