private queryParamsToStringHelper()

in api/VsoClient.ts [187:213]

• 20 lines of code
• 9 McCabe index (conditional complexity)

    private queryParamsToStringHelper(queryParams: any, prefix: string): string {
        if (!queryParams) {
            return '';
        }
        let queryString: string = '';

        if (typeof(queryParams) !== 'string') {
            for (let property in queryParams) {
                if (queryParams.hasOwnProperty(property)) {
                    const prop = queryParams[property];
                    const newPrefix = prefix + encodeURIComponent(property.toString()) + '.';
                    queryString += this.queryParamsToStringHelper(prop, newPrefix);
                }
            }
        }

        if (queryString === '' && prefix.length > 0){
            // Date.prototype.toString() returns a string that is not valid for the REST API.
            // Need to specially call `toUTCString()` instead for such cases
            const queryValue = typeof queryParams === 'object' && 'toUTCString' in queryParams ? (queryParams as Date).toUTCString() : queryParams.toString();


            // Will always need to chop period off of end of prefix
            queryString = prefix.slice(0,-1) + '=' + encodeURIComponent(queryValue) + '&';
        }
        return queryString;
    }