@directus/api/dist/utils/parse-filter-key.js

Directus is a real-time API and App dashboard for managing SQL database content

/**
 * Result for keys with a function (e.g. `year(date_created)`):
 * - Group 1: Function (`year`)
 * - Group 3: Field (`date_created`)
 *
 * If group 3 is undefined, it is a key without a function.
 */
const FILTER_KEY_REGEX = /^([^()]+)(\(([^)]+)\))?/;
/**
 * Parses a filter key, returning its field name and function name (if defined) separately.
 */
export function parseFilterKey(key) {
    const match = key.match(FILTER_KEY_REGEX);
    const fieldNameWithFunction = match?.[3]?.trim();
    const fieldName = fieldNameWithFunction || key.trim();
    const functionName = fieldNameWithFunction ? match?.[1]?.trim() : undefined;
    return { fieldName, functionName };
}