react/no-string-refs Correctness

✅ This rule is turned on by default.

What it does

This rule prevents using string literals in ref attributes.

Example

Examples of incorrect code for this rule:

var Hello = createReactClass({
  render: function () {
    return <div ref="hello">Hello, world.</div>;
  },
});

var Hello = createReactClass({
  componentDidMount: function () {
    var component = this.refs.hello;
    // ...do something with component
  },
  render: function () {
    return <div ref="hello">Hello, world.</div>;
  },
});

Examples of correct code for this rule:

var Hello = createReactClass({
  componentDidMount: function () {
    var component = this.hello;
    // ...do something with component
  },
  render() {
    return (
      <div
        ref={(c) => {
          this.hello = c;
        }}
      >
        Hello, world.
      </div>
    );
  },
});

References

• Rule Source