watson-developer-cloud/lib/querystring.js

Client library to use the IBM Watson Services and AlchemyAPI

"use strict";
/**
 * Stringify query params, Watson-style
 *
 * Why? The server that processes auth tokens currently only accepts the *exact* string, even if it's invalid for a URL.
 * Properly url-encoding percent characters causes it to reject the token
 * So, this is a custom qs.stringify function that properly encodes everything except watson-token, passing it along verbatim
 *
 * @param {Object} queryParams
 * @return {String}
 */
var stringify = function (queryParams) {
    return Object.keys(queryParams)
        .map(function (key) {
        return (key +
            '=' +
            (key === 'watson-token'
                ? queryParams[key]
                : encodeURIComponent(queryParams[key]))); // the server chokes if the token is correctly url-encoded
    })
        .join('&');
};
module.exports = {
    stringify: stringify
};
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