Function canConvertToClass

transforms/class.js:320–351

  };

  const canConvertToClass = classPath => {
    const specPath = ReactUtils.directlyGetCreateClassSpec(classPath);
    if (!specPath) {
      return false;
    }
    const invalidProperties = specPath.properties.filter(prop => (
      !prop.key.name || (
        !STATIC_KEYS.hasOwnProperty(prop.key.name) &&
        STATIC_KEY != prop.key.name &&
        !filterDefaultPropsField(prop) &&
        !filterGetInitialStateField(prop) &&
        !isFunctionExpression(prop) &&
        !isPrimProperty(prop) &&
        !isPrimPropertyWithTypeAnnotation(prop) &&
        MIXIN_KEY != prop.key.name
      )
    ));

    if (invalidProperties.length) {
      const invalidText = invalidProperties
        .map(prop => prop.key.name ? prop.key.name : prop.key)
        .join(', ');
      console.warn(
        file.path + ': `' + ReactUtils.directlyGetComponentName(classPath) + '` ' +
        'was skipped because of invalid field(s) `' + invalidText + '` on ' +
        'the React component. Remove any right-hand-side expressions that ' +
        'are not simple, like: `componentWillUpdate: createWillUpdate()` or ' +
        '`render: foo ? renderA : renderB`.'
      );
    }
    return !invalidProperties.length;
  };

  const areMixinsConvertible = (mixinIdentifierNames, classPath) => {
    if (