Undefined is not an object (React.PropTypes.func)

[renatosistemasvc]

I'm having the same problem:

#15

I do not feel like changing the version of react native. There is another solution?

my version:

"react-native": "0.52.0"

[xiewang]

this may be helpful for you https://reactjs.org/blog/2017/04/07/react-v15.5.0.html#migrating-from-react.proptypes

[renatosistemasvc]

@xiewang
I was able to solve the problems. The library is already working fine with the latest version of react native (not the latest. and the 0.52).

I suggest changing the library so people do not have to reduce the version of react native.

The modified files were:

react-native-emoctions/package.json
react-native-emoctions/tab.js

The modifications were:

In file react-native-emoctions/package.json
BEFORE
"react-native-scrollable-tab-view": "^0.6.7",

AFTER

 "react-native-scrollable-tab-view": "^0.8.0",
"create-react-class": "^15.6.3", //new

In file react-native-emoctions/tab.js
BEFORE

class TabBar extends React.Component {
...
static propTypes = {
        goToPage: React.PropTypes.func,
        activeTab: React.PropTypes.number,
        tabs: React.PropTypes.array,
    };
...
}
export default TabBar;

//AFTER

import PropTypes from 'prop-types';

class TabBar extends React.Component {
.....
}

TabBar.propTypes = {
    goToPage: PropTypes.func,
    activeTab: PropTypes.number,
    tabs: PropTypes.array,
};
export default TabBar;

By changing the tab.js file to the new structure of PropTypes (external library) and updating and inserting the dependencies of the package.json file, the library works without errors.

[xiewang]

You are correct. I just miss it. I'll fix it later. Thanks a lot.

[ghost]

@renatosistemasvc .Thank you.
I apply the modification but I have the error ;Cannot read property 'type' of undefined

[renatosistemasvc]

@WapiMukki Show me an error image. Or a console.log..

I'm using it without any problem. Show more details to find out what's happening.

[ghost]

You are correct. problem fix it.
Thank you

[thisarascit]

even though react-native-scrollable-tab-view to latest problem still remaining.any guidance? thanks guys

[aaronshier]

still getting this error myself. anyone find a solution?

[hjb510]

我用的0.55.4的版本，也出现这个错误。
安装时出现这个错误
npm WARN eslint-plugin-react-native@3.2.1 requires a peer of eslint@^3.17.0 || ^
4.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules\fse
vents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@
1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}
应该是版本太低导致的

使用时出现这个错误！
Undefined is not an object (React.PropTypes.func)

但是不知道怎么解决

[gabrieljoelc]

I stumbled on this GH issue looking for a fix to this same error for a non-native ReactJS project. For what its's worth, I just "fixed" it by downgrading from "react": "^17.0.1" to "react": "^15.4.1". I'm thinking it might be deeper than the react-native package...