React-native-error-helper NPM

react-native-error-helper

A helper for React Native to catch global JS errors and provide some ways to resolve error boundaries.

npm-version npm

Install

yarn add react-native-error-helper

Usage

setGlobalErrorHandler

import { setGlobalErrorHandler } from 'react-native-error-helper';

setGlobalErrorHandler((error, isFatal) => {
  console.log('global error：', error, isFatal);
}, true);

setPromiseUnCatchHandler

import { setPromiseUnCatchHandler } from 'react-native-error-helper';

setPromiseUnCatchHandler((id, err) => {
  console.log('promise un catch：', err);
}, true);

ErrorBoundary

import { ErrorBoundary } from 'react-native-error-helper';

const App = () => (
  <ErrorBoundary>
    <BugComponent />
  </ErrorBoundary>
)

withErrorBoundary

import { withErrorBoundary } from 'react-native-error-helper';

@withErrorBoundary({
  renderBoundary: ({error}) => {
    return <Text>catch error: {error.message}</Text>;
  },
})
class BuggyCounter extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      count: 0 || this.props.init,
    };
  }

  render() {
    const {count} = this.state;
    if (count === 5) {
      throw new Error('I error');
    } else {
      return (
        <View>
          <Text
            onPress={() => {
              this.setState({
                count: count + 1,
              });
            }}>
            {String(count)}
          </Text>
        </View>
      );
    }
  }
}