noDuplicateJsxProps (since v1.0.0)
Diagnostic Category: lint/suspicious/noDuplicateJsxProps
Sources:
- Same as: 
react/jsx-no-duplicate-props 
Prevents JSX properties to be assigned multiple times.
Examples
Section titled ExamplesInvalid
Section titled Invalid<Hello name="John" name="John" />code-block.jsx:1:8 lint/suspicious/noDuplicateJsxProps ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  ✖ This JSX property is assigned multiple times.
  
  > 1 │ <Hello name="John" name="John" />
      │        ^^^^^^^^^^^
    2 │ 
  
  ℹ This attribute is assigned again here.
  
  > 1 │ <Hello name="John" name="John" />
      │                    ^^^^^^^^^^^
    2 │ 
  
<label xml:lang="en-US" xml:lang="en-US"></label>code-block.jsx:1:8 lint/suspicious/noDuplicateJsxProps ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  ✖ This JSX property is assigned multiple times.
  
  > 1 │ <label xml:lang="en-US" xml:lang="en-US"></label>
      │        ^^^^^^^^^^^^^^^^
    2 │ 
  
  ℹ This attribute is assigned again here.
  
  > 1 │ <label xml:lang="en-US" xml:lang="en-US"></label>
      │                         ^^^^^^^^^^^^^^^^
    2 │ 
  
Valid
Section titled Valid<Hello firstname="John" lastname="Doe" /><label xml:lang="en-US" lang="en-US"></label>