@fab/compile/lib/utils.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const mime = require("mime-types");
const url_1 = require("url");
const getContentType = (pathname) => {
    const mimeType = mime.lookup(pathname);
    return (mimeType && mime.contentType(mimeType)) || 'text/html; charset=utf-8';
};
const excludedHeaders = new Set([
    'cache-control',
    'connection',
    'content-encoding',
    'content-length',
    'expect',
    'keep-alive',
    'proxy-authenticate',
    'proxy-authorization',
    'proxy-connection',
    'trailer',
    'upgrade',
    'x-accel-buffering',
    'x-accel-charset',
    'x-accel-limit-rate',
    'x-accel-redirect',
    'x-cache',
    'x-forwarded-proto',
    'x-real-ip'
]);
exports.fetchAndReturn = async (url) => {
    const response = await fetch(url);
    // Delete excluded headers
    const headers = {};
    for (const [header, value] of response.headers.entries()) {
        if (excludedHeaders.has(header.toLowerCase()))
            continue;
        headers[header] = value;
    }
    // Add mime types if not already present
    if (!headers['content-type'])
        headers['content-type'] = getContentType(url_1.parse(url).path);
    return new Response(await response.body, {
        status: response.status,
        statusText: response.statusText,
        headers
    });
};