edge-mock/live_fetch.js

types for testing an developer edge applications

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const node_fetch_1 = __importDefault(require("node-fetch"));
const utils_1 = require("./utils");
const models_1 = require("./models");
const Request_1 = require("./models/Request");
const forms_1 = require("./forms");
const Headers_1 = require("./models/Headers");
async function default_1(resource, init = {}) {
    const method = Request_1.check_method(init.method);
    let headers = {};
    if (init.headers) {
        const h = Headers_1.asHeaders(init.headers);
        h.delete('host');
        headers = Object.fromEntries(h);
    }
    let body = undefined;
    const init_body = init.body;
    if (init_body) {
        if (typeof init_body == 'string') {
            body = init_body;
        }
        else if ('arrayBuffer' in init_body) {
            // Blob
            body = await init_body.arrayBuffer();
        }
        else if ('getReader' in init_body) {
            body = await utils_1.rsToArrayBufferView(init_body);
        }
        else if (init_body instanceof models_1.EdgeFormData) {
            const [boundary, form_body] = await forms_1.formDataAsString(init_body);
            const ct = headers['content-type'];
            if (!ct || ct == 'multipart/form-data') {
                headers['content-type'] = `multipart/form-data; boundary=${boundary}`;
            }
            body = form_body;
        }
        else {
            // TODO this is a bodge until all cases can be checked
            body = init_body;
        }
    }
    const r = await node_fetch_1.default(resource, { method, headers, body });
    const response_headers = Object.fromEntries(r.headers);
    const response_body = await r.arrayBuffer();
    return new models_1.EdgeResponse(response_body, { status: r.status, headers: response_headers }, r.url);
}
exports.default = default_1;
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