perf: [10196] add custom function to parse dates

Author: arianber7

src/FileUtils/AgGridUtils.js

@@ -85,6 +85,21 @@ const _getColTypeFromTypeArray = (typeArray) => {
   return 'string'; // Fall back to default type
 };
 
+const validateDateFormat = (value, options = {}) => {
+  if (typeof value !== 'string') return false;
+  const { dateFormat = 'yyyy-MM-dd' } = options;
+
+  const formatRegex = dateFormat
+    .replace(/yyyy/, '\\d{4}')
+    .replace(/MM/, '(0[1-9]|1[0-2])')
+    .replace(/dd/, '(0[1-9]|[12]\\d|3[01])')
+    .replace(/\//g, '\\/')
+    .replace(/-/g, '-');
+
+  const regex = new RegExp(`^${formatRegex}$`);
+  return regex.test(value);
+};
+
 const _validateFormat = (rows, hasHeader, cols, options) => {
   const colsData = cols.map((col) => ({ ...col, type: _getColTypeFromTypeArray(col.type) }));
   const errors = [];
@@ -116,6 +131,15 @@ const _validateFormat = (rows, hasHeader, cols, options) => {
       const value = row[colIndex];
       if (value === undefined) continue;
 
+      if (type === 'date' && !validateDateFormat(value, colOptions)) {
+        const expectedFormat = colOptions.dateFormat || 'dd/MM/yyyy';
+        const errorSummary = 'Incorrect date value';
+        const errorContext = `Incorrect value: "${value}" for type date\nExpected format: ${expectedFormat}`;
+        const errorLoc = `Line ${rowIndex + 1}, Column ${colIndex + 1} ("${field}")`;
+        errors.push(new PanelError(errorSummary, errorLoc, errorContext));
+        continue;
+      }
+
       const validationResult = ValidationUtils.isValid(value, type, colOptions, acceptsEmptyFields);
       if (validationResult !== true) {
         const { summary: errorSummary, context: errorContext } = validationResult;