defineDeprecationWarning() — react Function Reference

Architecture documentation for the defineDeprecationWarning() function in ReactBaseClasses.js from the react codebase.

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BabelCompiler→ Validation→ defineDeprecationWarning() — react Function Reference

Dependency Diagram

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  82b41d96_df3d_aa50_8f3b_5d5839841799["defineDeprecationWarning()"]
  c3fac770_4990_9966_5876_7fc6a70a6f7d["ReactBaseClasses.js"]
  82b41d96_df3d_aa50_8f3b_5d5839841799 -->|defined in| c3fac770_4990_9966_5876_7fc6a70a6f7d
  style 82b41d96_df3d_aa50_8f3b_5d5839841799 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/react/src/ReactBaseClasses.js lines 107–118

  const defineDeprecationWarning = function (methodName, info) {
    Object.defineProperty(Component.prototype, methodName, {
      get: function () {
        console.warn(
          '%s(...) is deprecated in plain JavaScript React classes. %s',
          info[0],
          info[1],
        );
        return undefined;
      },
    });
  };