Function urlBase

dash/dash-renderer/src/actions/utils.js:17–35

(config)

 * dash==0.18.0. The previous versions just had url_base_pathname
 */
export function urlBase(config) {
    const hasUrlBase = has('url_base_pathname', config);
    const hasReqPrefix = has('requests_pathname_prefix', config);
    if (type(config) !== 'Object' || (!hasUrlBase && !hasReqPrefix)) {
        throw new Error(
            `
            Trying to make an API request but neither
            "url_base_pathname" nor "requests_pathname_prefix"
            is in \`config\`. \`config\` is: `,
            config
        );
    }

    const base = hasReqPrefix
        ? config.requests_pathname_prefix
        : config.url_base_pathname;

    return base.charAt(base.length - 1) === '/' ? base : base + '/';
}

const propsChildren = ['props', 'children'];