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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,14 @@ function deleteField(index: any) {
const currentIndex = ref<number | null>(null)
function refreshFieldList(data: any) {
if (currentIndex.value !== null) {
if (
inputFieldList.value
.filter((item, index) => index != currentIndex.value)
.some((field) => field.field == data.field)
) {
MsgError(t('workflow.tip.paramErrorMessage') + data.field)
return
}
inputFieldList.value?.splice(currentIndex.value, 1, data)
} else {
if (inputFieldList.value.some((field) => field.field == data.field)) {
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The provided JavaScript code snippet appears to be part of a React component that manages an array of inputFieldList items. It contains a function deleteField for removing an item by its index and another function refreshFieldList for updating the list when fields are changed. Here's some feedback with suggested improvements:

Suggestions

  1. Null Coalescing Operator:

    • Use null coalescing operator (??) instead of checking currentIndex.value !== null.
    if (!currentIndex?.value) {
        // Handle error: currentIndex is not defined or is null/undefined
    }
  2. Type Checking:

    • Ensure that inputFieldList and data.field are objects with consistent types.
    if (!(Array.isArray(inputFieldList) && typeof data.field === 'string')) {
        throw new Error('Invalid types');
    }
  3. Avoid Multiple Function Calls within Conditionals:

    • Minimize the number of times you call functions inside conditional statements.
    if (
        inputFieldList.filter((item, index) => index != (currentIndex ?? 0)).some(
            (field) => field.field === data.field
        )
    ) {
        MsgError(t('workflow.tip.paramErrorMessage') + data.field);
        return;
    }
  4. Optimize DOM Updates:

    • If performance is a concern, consider using batch updates for modifying arrays.
    if (
        !inputFieldList.some(({ field }) => field === data.field)
    ) {
        const newIndex = inputFieldList.findIndex(item => item.field === data.field ?? '');
        if (newIndex > -1) {
            inputFieldList.splice(newIndex, 0, data); // Add at front/new location
        } else {
            inputFieldList.push(data); // Append at end
        }
        currentIndex.value = newIndex; // Update current index
    } else {
        msg.error(t('workflow.tip.paramErrorMessage') + data.field);
        return;
    }
  5. String Interpolation:

    • Use template literals consistently throughout the codebase.
    if (!inputFieldList.some(item => item.field === `${data.field}`)) {
        currentIndex.value = inputFieldList.find(item => item.field === data.field)?.index || -1;
        if (currentIndex >= 0) {
            inputFieldList splice(currentIndex, 1, data);
        } else {
            inputFieldList.push(data);
        }
          }
      }

6. **Ensure Input Validation**:
   - Validate input arguments to avoid unexpected behavior.

   ```javascript
   if (!inputFieldList?.length || typeof data.field !== 'string') {
       console.error('Invalid parameters');
       return;
   }

By applying these suggestions, the code becomes more robust and efficient while maintaining readability.

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