@coolio/http/dist/esm/helpers/headers.helper.js

HTTP networking client

import isNil from 'lodash/isNil';
export const getHeader = (headers, header) => {
    if (!headers) {
        return undefined;
    }
    const lowercaseHeader = header.toLowerCase();
    const foundKey = Object.keys(headers).find(key => key.toLowerCase() === lowercaseHeader);
    return foundKey ? String(headers[foundKey]) : undefined;
};
export const parseHeaders = (headers) => {
    const result = {};
    headers.forEach((value, key) => result[key.toLowerCase()] = value);
    return result;
};
export const sanitizeHeaders = (...multipleHeaders) => {
    const result = {};
    const keys = {};
    for (const headers of multipleHeaders) {
        if (!headers) {
            continue;
        }
        for (const key in headers) {
            if (headers.hasOwnProperty(key)) {
                const matchKey = key.toLowerCase();
                const originalKey = keys[matchKey];
                const value = headers[key];
                if (originalKey) {
                    delete result[originalKey];
                }
                if (isNil(value)) {
                    delete keys[matchKey];
                }
                else {
                    keys[matchKey] = key;
                    result[key] = value.toString();
                }
            }
        }
    }
    return result;
};
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