fetch-addons/dist/commonjs/headers.js

A collection of addons for the fetch API

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.deleteEmptyHeaders = deleteEmptyHeaders;
exports.getHeaders = getHeaders;
const request_js_1 = require("./request.js");
function deleteEmptyHeaders(headers) {
    // Can't do it in the headers.forEach loop, see https://twitter.com/meijer_s/status/1676506116736397312
    for (const [key, value] of [...headers]) {
        if (value && value !== 'undefined' && value !== 'null')
            continue;
        headers.delete(key);
    }
}
function getHeaders(headersOrInput, init) {
    if (typeof headersOrInput === 'string' || headersOrInput instanceof URL || headersOrInput instanceof Request) {
        return (0, request_js_1.getRequest)(headersOrInput, init).headers;
    }
    return headersOrInput instanceof Headers ? headersOrInput : new Headers(headersOrInput);
}