React/19/Replace Default Props

1.0.1Last update Dec 15, 2024

by@alexbit-codemod

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React

migration

Replaces default props with ES6 default parameters.

Example

Before

const Button = ({ size, color }) => {
  return <button style={{ color, fontSize: size }}>Click me</button>;
};

Button.defaultProps = {
  size: "16px",
  color: "blue",
};

After

const Button = ({ size = "16px", color = "blue" }) => {
  return <button style={{ color, fontSize: size }}>Click me</button>;
};

Replaces default props with ES6 default parameters.

Example

Before

const Button = ({ size, color }) => {
  return <button style={{ color, fontSize: size }}>Click me</button>;
};

Button.defaultProps = {
  size: "16px",
  color: "blue",
};

After

const Button = ({ size = "16px", color = "blue" }) => {
  return <button style={{ color, fontSize: size }}>Click me</button>;
};

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