fix: The dropdown data of subsequent nodes in the form cannot be displayed back

[shaohuzhang1]

fix: The dropdown data of subsequent nodes in the form cannot be displayed back

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[shaohuzhang1]

Here is a review of the provided code:

Issues:

1. Redundancy: The otherFields array is created but not used within the scope where it's defined, leading to potential memory wastage.
2. Simplification: Instead of mapping over form_field_list, you can use an arrow function directly. This reduces unnecessary steps.
3. Type Checking: The code assumes that all properties have a non-null .properties object with nested objects. Ensure this assumption holds true.

Optimizations:

1. Remove Unnecessary Variable Assignment: Since fields will be populated based on form_field_list, there’s no need to create otherFields.

Here's the revised code:

class FormNode extends AppNode {
  get_node_field_list() {
    const result = [];
    
    try {
      this.props.model.properties.node_data &&
      this.props.model.properties.node_data.form_field_list.length > 0 &&
      
      this.props.model.properties.node_data.form_field_list.forEach((item: any) => {
        // Check if the field already exists in fields
        if (!fields.includes(item.field)) {
          fields.push({
            value: item.field,
            label: typeof item.label == 'string' ? item.label : item.label.label
          });
        }
      });
      
    } catch (e) {}

    result.push({
      value: this.props.model.id,
      label: this.props.model.properties.stepName,
      type: this.props.model.type,
      children: fields || []
    });

    return result;
  }
}

This refactored version of your method should perform better and reduce memory usage without any functionality changes.