@snipsonian/core/es/url/appendUrlParamIfNotAlready.js

Core/base reusable javascript code snippets

import appendUrlParam, { encodeParamName } from './appendUrlParam';
export default function appendUrlParamIfNotAlready({ url, paramName, paramValue, }) {
    if (doesUrlContainParam({ url, paramName })) {
        return url;
    }
    return appendUrlParam({ url, paramName, paramValue });
}
function doesUrlContainParam({ url, paramName }) {
    const encodedParamName = encodeParamName(paramName);
    return url.search(new RegExp(`[\\?&]${encodedParamName}=`)) > -1;
}