ethers.js/packages/web/lib/browser-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) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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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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    }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getUrl = void 0;
var bytes_1 = require("@ethersproject/bytes");
function getUrl(href, options) {
    return __awaiter(this, void 0, void 0, function () {
        var request, opts, response, body, headers;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (options == null) {
                        options = {};
                    }
                    request = {
                        method: (options.method || "GET"),
                        headers: (options.headers || {}),
                        body: (options.body || undefined),
                    };
                    if (options.skipFetchSetup !== true) {
                        request.mode = "cors"; // no-cors, cors, *same-origin
                        request.cache = "no-cache"; // *default, no-cache, reload, force-cache, only-if-cached
                        request.credentials = "same-origin"; // include, *same-origin, omit
                        request.redirect = "follow"; // manual, *follow, error
                        request.referrer = "client"; // no-referrer, *client
                    }
                    ;
                    if (options.fetchOptions != null) {
                        opts = options.fetchOptions;
                        if (opts.mode) {
                            request.mode = (opts.mode);
                        }
                        if (opts.cache) {
                            request.cache = (opts.cache);
                        }
                        if (opts.credentials) {
                            request.credentials = (opts.credentials);
                        }
                        if (opts.redirect) {
                            request.redirect = (opts.redirect);
                        }
                        if (opts.referrer) {
                            request.referrer = opts.referrer;
                        }
                    }
                    return [4 /*yield*/, fetch(href, request)];
                case 1:
                    response = _a.sent();
                    return [4 /*yield*/, response.arrayBuffer()];
                case 2:
                    body = _a.sent();
                    headers = {};
                    if (response.headers.forEach) {
                        response.headers.forEach(function (value, key) {
                            headers[key.toLowerCase()] = value;
                        });
                    }
                    else {
                        ((response.headers).keys)().forEach(function (key) {
                            headers[key.toLowerCase()] = response.headers.get(key);
                        });
                    }
                    return [2 /*return*/, {
                            headers: headers,
                            statusCode: response.status,
                            statusMessage: response.statusText,
                            body: (0, bytes_1.arrayify)(new Uint8Array(body)),
                        }];
            }
        });
    });
}
exports.getUrl = getUrl;
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