more comments added. more meaningfull function names and update after…

… Bens comments

modules/ui/maproulette_details.js

@@ -9,7 +9,30 @@ export function uiMapRouletteDetails(context) {
   let _qaItem;
 
 
-  function parseShortCodes(text) {
+  /**
+   * Generates HTML for a dropdown menu with the specified name and options.
+   *
+   * @param {string} dropdownName The name attribute for the dropdown.
+   * @param {Array<string>} options An array of options to be included in the dropdown.
+   * @returns {string} HTML string representing a dropdown menu.
+   */
+  function generateDropdownHtml(dropdownName, options) {
+    return `<select name="${dropdownName}"><option value=""></option>${options.map(option => `<option value="${option.trim()}">${option.trim()}</option>`).join('')}</select>`;
+  }
+
+
+  /**
+   * Generates dynamic HTML content by parsing short codes within the provided text.
+   * This function identifies special short code segments and replaces them with HTML dropdowns.
+   * https://learn.maproulette.org/en-us/documentation/challenge-instructions-templating/
+   *
+   * Example input:
+   * "[select &quot;dropdownName&quot; values=&quot;option1,option2,option3&quot;]"
+   *
+   * @param {string} text The text containing short codes to be transformed into HTML content.
+   * @returns {string} The transformed text with HTML content.
+   */
+  function generateDynamicContent(text) {
     const segments = text.split(/\[select\s+&quot;\s*[^"]*?\s*&quot;\s+name=&quot;/);
     let transformedText = segments[0];
     segments.slice(1).forEach(segment => {
@@ -18,29 +41,51 @@ export function uiMapRouletteDetails(context) {
       const valuesStart = segment.indexOf('values=&quot;') + 'values=&quot;'.length;
       const valuesEnd = segment.indexOf('&quot;', valuesStart);
       const options = segment.substring(valuesStart, valuesEnd).split(',');
-      const dropdownHtml = `<select name="${dropdownName}"><option value=""></option>${options.map(option => `<option value="${option.trim()}">${option.trim()}</option>`).join('')}</select>`;
-      const remainder = segment.substring(valuesEnd + '&quot;'.length).trim().replace(/^\]/, ''); // Remove the first closing bracket if it exists
+      const dropdownHtml = generateDropdownHtml(dropdownName, options);
+      const remainder = segment.substring(valuesEnd + '&quot;'.length).trim().replace(/^\]/, '');
       transformedText += dropdownHtml + remainder;
     });
     return transformedText;
   }
 
 
+  /**
+   * This function searches for mustache tags defined by double curly braces (e.g., {{propertyName}}) and replaces them
+   * with actual values from the task's properties or generates clickable links if the property is an OSM identifier.
+   * https://learn.maproulette.org/en-us/documentation/mustache-tag-replacement/#content
+   * @param {string} text The text containing mustache tags to be replaced.
+   * @param {Object} task The task object containing properties that may replace the tags.
+   * @return {string} The text with mustache tags replaced by actual values or links.
+   */
   function replaceMustacheTags(text, task) {
     const tagRegex = /\{\{([\w:]+)\}\}/g;
     return text.replace(tagRegex, (match, propertyName) => {
+      // Check if the property name is 'osmIdentifier' and task has a title
       if (propertyName === 'osmIdentifier' && task.title) {
-        const osmId = task.title.split('@')[0]; // Extract the full ID including the prefix
+        // Extract the OSM ID including the prefix from the task's title
+        const osmId = task.title.split('@')[0];
+        // Return an anchor tag with a class for highlighting and data attribute for the OSM ID
         return `<a href="#" class="highlight-link" data-osm-id="${osmId}">${osmId}</a>`;
       }
+      // For other properties, return their values from the task if they exist
       if (task.properties && task.properties.hasOwnProperty(propertyName)) {
         return task.properties[propertyName];
       }
+      // Return an empty string if the property does not exist in the task
       return '';
     });
   }
 
 
+  /**
+   * Highlights or selects the OpenStreetMap (OSM) feature based on the provided identifier.
+   * This function is designed to interact with a mapping context to visually highlight or select
+   * an OSM feature on a map. It extracts the necessary part of the OSM identifier, which includes
+   * a prefix indicating the type of feature (e.g., 'n' for nodes, 'w' for ways), and uses this
+   * identifier to instruct the mapping context to highlight the corresponding feature.
+   *
+   * @param {string} osmIdentifier Example format: 'n123456@1' where 'n' indicates a node.
+   */
   function highlightFeature(osmIdentifier) {
     const idPart = osmIdentifier.split('@')[0]; // Retains the 'n' or 'w' prefix and removes the version
     // Pass the full ID including the prefix to the selection context
@@ -50,6 +95,14 @@ export function uiMapRouletteDetails(context) {
   }
 
 
+  /**
+   * Renders the MapRoulette challenge details into the provided D3 selection.
+   * This function handles the dynamic display of challenge details including IDs, descriptions,
+   * and instructions, and sets up the necessary event listeners for interactive elements.
+   * It fetches task details asynchronously and updates the DOM based on the fetched data.
+   *
+   * @param {d3.selection} selection The D3 selection where the challenge details should be rendered.
+   */
   function render(selection) {
     let details = selection.selectAll('.error-details')
       .data(_qaItem ? [_qaItem] : [], d => d.key);
@@ -82,9 +135,9 @@ export function uiMapRouletteDetails(context) {
           .attr('target', '_blank');
       }
 
-      const description = parseShortCodes(replaceMustacheTags(task.description, task));
-      const instruction = parseShortCodes(replaceMustacheTags(task.instruction, task));
-      if (task.description && !task.description.includes('Lorem')) {
+      const description = generateDynamicContent(replaceMustacheTags(task.description, task));
+      const instruction = generateDynamicContent(replaceMustacheTags(task.instruction, task));
+      if (task.description) {
         selection
           .append('h4')
           .text(l10n.t('map_data.layers.maproulette.detail_title'));
@@ -96,7 +149,7 @@ export function uiMapRouletteDetails(context) {
           .attr('target', '_blank');
       }
 
-      if (task.instruction && !task.instruction.includes('Lorem') && task.instruction !== task.description) {
+      if (task.instruction && task.instruction !== task.description) {
         selection
           .append('h4')
           .text(l10n.t('map_data.layers.maproulette.instruction_title'));
@@ -121,6 +174,7 @@ export function uiMapRouletteDetails(context) {
         .on('click', function(d3_event) {
           d3_event.preventDefault();
           const osmId = d3_select(this).attr('data-osm-id');
+          utilHighlightEntities([osmId], false, context);
           highlightFeature(osmId);
         });
     }).catch(e => {