knowmax-quest-utils/dist/esm/query.js

Utilities for creating a Knowmax Quest client.

/** Sanitizes query by replacing unquoted colons (:) with a space since these would result in a field specification (and possibly error) when using them in Azure Cognitive Search.
 * Also makes sure string is always terminated with closing "-sign if one was opened but never closed.
 * @param query Query to sanitize.
 * @returns Sanitized query.
 */
export const sanitizeQuery = (query) => {
    if (query) {
        // Make sure query is always terminated with closing "-sign if one was opened but never closed.
        if (countOccurence(query, '"') % 2 !== 0) {
            query = query + '"';
        }
        // Escape "/" for compatibility with Azure Cognitive Search.
        query = query.replace(/\//g, '\\$&');
        let colonindex = findNextColon(query);
        while (colonindex !== -1) {
            if (!isQuoted(query, colonindex)) {
                query = `${query.substring(0, colonindex)} ${query.substring(colonindex + 1)}`;
            }
            colonindex = findNextColon(query, colonindex + 1);
        }
        return query.trim() === '' ? undefined : query.trim();
    }
    else {
        return query;
    }
};
/** Returns true in case position in given string is within double quotes.
 * @param query String to check.
 * @param index Zero based position within query to check for double quotes.
 * @returns True if index is within double quotes.
 */
export const isQuoted = (query, index) => {
    const indexleft = query.indexOf('"');
    if (indexleft < index && indexleft !== -1) {
        const indexright = query.indexOf('"', index);
        if (indexright > index) {
            return true;
        }
    }
    return false;
};
const findNextColon = (query, index) => {
    return query.indexOf(':', index);
};
const countOccurence = (query, char) => {
    let count = 0;
    for (let i = 0; i < query.length; i++) {
        if (query[i] === char) {
            count++;
        }
    }
    return count;
};
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