InfyOm\Generator\Utils\GeneratorFieldsInputUtil::validateFieldsFile PHP Method

    public static function validateFieldsFile($fields)
    {
        $fieldsArr = [];
        foreach ($fields as $field) {
            if (!self::validateFieldInput($field['fieldInput'])) {
                throw new RuntimeException('Invalid Input ' . $field['fieldInput']);
            }
            if (isset($field['htmlType'])) {
                $htmlType = $field['htmlType'];
            } else {
                $htmlType = 'text';
            }
            if (isset($field['validations'])) {
                $validations = $field['validations'];
            } else {
                $validations = '';
            }
            if (isset($field['searchable'])) {
                $searchable = $field['searchable'];
            } else {
                $searchable = false;
            }
            if (isset($field['fillable'])) {
                $fillable = $field['fillable'];
            } else {
                $fillable = true;
            }
            if (isset($field['primary'])) {
                $primary = $field['primary'];
            } else {
                $primary = false;
            }
            if (isset($field['inForm'])) {
                $inForm = $field['inForm'];
            } elseif ($primary) {
                $inForm = false;
            } else {
                $inForm = true;
            }
            if (isset($field['inIndex'])) {
                $inIndex = $field['inIndex'];
            } elseif ($primary) {
                $inIndex = false;
            } else {
                $inIndex = true;
            }
            $fieldSettings = ['searchable' => $searchable, 'fillable' => $fillable, 'primary' => $primary, 'inForm' => $inForm, 'inIndex' => $inIndex];
            $fieldsArr[] = self::processFieldInput($field['fieldInput'], $htmlType, $validations, $fieldSettings);
        }
        return $fieldsArr;
    }

 private function getInputFromFileOrJson()
 {
     // fieldsFile option will get high priority than json option if both options are passed
     try {
         if ($this->getOption('fieldsFile')) {
             if (file_exists($this->getOption('fieldsFile'))) {
                 $filePath = $this->getOption('fieldsFile');
             } else {
                 $filePath = base_path($this->getOption('fieldsFile'));
             }
             if (!file_exists($filePath)) {
                 $this->commandError('Fields file not found');
                 exit;
             }
             $fileContents = file_get_contents($filePath);
             $jsonData = json_decode($fileContents, true);
             $this->inputFields = array_merge($this->inputFields, GeneratorFieldsInputUtil::validateFieldsFile($jsonData));
         } else {
             $fileContents = $this->getOption('jsonFromGUI');
             $jsonData = json_decode($fileContents, true);
             $this->inputFields = array_merge($this->inputFields, GeneratorFieldsInputUtil::validateFieldsFile($jsonData['fields']));
             $this->config->overrideOptionsFromJsonFile($jsonData);
             if (isset($jsonData['migrate'])) {
                 $this->config->forceMigrate = $jsonData['migrate'];
             }
         }
         $this->checkForDiffPrimaryKey();
     } catch (Exception $e) {
         $this->commandError($e->getMessage());
         exit;
     }
 }