@mikezimm/fps-core-v7/lib/logic/Strings/handleBarsHTML.js

Library of reusable core interfaces, types and constants migrated from fps-library-v2

// NOTE:  BingChat came up with this regex:
/**
 * const regex = /{{(.*?)}}/g;
 *
 * function replaceHandlebars(template, data) {
  // Create a regular expression to match handlebars expressions
  const regex = /{{(.*?)}}/g;
  // Replace each expression with the corresponding value from the data object
  return template.replace(regex, (match, expression) => {
    // Evaluate the expression using the data object as the context
    return eval(expression);
  });
}

 */
import { HandleBarsRegex } from "./HandleBarsRegex";
/**
 * This function will replace
 *    <h2>{{Title}}</h2>
 *
 * with the Title property of the item passed in:
 *  <h2>item.Title</h2>
 *
 * @param item
 * @param handleBarString
 * @param emptyIfSubEmpty
 * @param replaceSlashDots  >> will replace Author/Title with AuthorTitle - consistant with the way Drilldown works
 * @returns
 */
export function replaceHTMLHandleBars(item, handleBarString, emptyIfSubEmpty, replaceSlashDots = true) {
    if (typeof handleBarString !== 'string') {
        return handleBarString;
    }
    else {
        let returnEmpty = false;
        // Get array of strings by splitting the string by any {{ or }}
        const linkSplits = handleBarString.split(HandleBarsRegex);
        const newSplits = linkSplits.map((str, idx) => {
            if (idx % 2 === 1) { //idx is odd.  This is a replacement
                // https://github.com/mikezimm/drilldown7/issues/396
                if (replaceSlashDots === true)
                    str = str.replace(/[./]/g, '');
                str = item[str] ? item[str] : `No ${str} found`;
                if (!linkSplits[idx] && emptyIfSubEmpty === true)
                    returnEmpty = true;
            }
            return str;
        });
        return returnEmpty === true ? '' : newSplits.join('');
    }
}
/**
 * This will get all properties that are surrounded by handlebars from a string and put them in an array
 *    Recommended to get item props to fetch or select
 *    Does NOT remove any / or . characters.
 *
 * @param handleBarString
 * @param removeEmpty
 * @param removeDups
 * @returns
 */
export function getHandleBarPropsFromString(handleBarString, removeEmpty, removeDups) {
    const results = [];
    const linkSplits = handleBarString.split(HandleBarsRegex);
    linkSplits.map((str, idx) => {
        if (idx % 2 === 1) { //idx is odd.  This is a replacement
            if (str || removeEmpty === false) {
                if (removeDups === false || results.indexOf(`${str}`) === -1)
                    results.push(`${str}`);
            }
        }
    });
    console.log('getHandleBarPropsFromString', results, handleBarString);
    return results;
}
//# sourceMappingURL=handleBarsHTML.js.map