@whatwg-node/cookie-store/esm/parse.js

Cookie Store

const decode = decodeURIComponent;
const pairSplitRegExp = /; */;
// Try decoding a string using a decoding function.
function tryDecode(str, decode) {
    try {
        return typeof decode === 'boolean' ? decodeURIComponent(str) : decode(str);
    }
    catch (e) {
        return str;
    }
}
/**
 * Parse a cookie header.
 *
 * Parse the given cookie header string into an object
 * The object has the various cookies as keys(names) => values
 */
export function parse(str, options = {}) {
    if (typeof str !== 'string') {
        throw new TypeError('argument str must be a string');
    }
    const map = new Map();
    const opt = options || {};
    const pairs = str.split(pairSplitRegExp);
    const dec = opt.decode || decode;
    for (let i = 0; i < pairs.length; i++) {
        const pair = pairs[i];
        let eqIdx = pair.indexOf('=');
        // skip things that don't look like key=value
        if (eqIdx < 0) {
            continue;
        }
        const key = pair.substr(0, eqIdx).trim();
        let val = pair.substr(++eqIdx, pair.length).trim();
        // quoted values
        if (val[0] === '"') {
            val = val.slice(1, -1);
        }
        const cookiesPerKey = map.get(key);
        if (!cookiesPerKey) {
            map.set(key, { name: key, value: tryDecode(val, dec) });
        }
    }
    return map;
}