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index4.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<script type='text/javascript' src="./dist/React.js"></script>
<!-- <script type='text/javascript' src="./react.js"></script>
<script type='text/javascript' src="./react-dom.js"></script>-->
<script type='text/javascript' src="./lib/ReactTestUtils.js"></script>
<script type='text/javascript' src="./lib/babel.js"></script>
</head>
<body>
<div id='root' class="root">
</div>
<script type='text/babel'>
var container = document.getElementById('root');
var div = container;
if (!window.ReactDOM) {
window.ReactDOM = React;
}
var log = {
push(a){
console.log(a)
}
}
var log = []
var PropTypes = React.PropTypes;
BrokenConstructor = class extends React.Component {
constructor(props) {
super(props);
log.push('BrokenConstructor constructor [!]');
throw new Error('Hello');
}
render() {
log.push('BrokenConstructor render');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenConstructor componentWillMount');
}
componentDidMount() {
log.push('BrokenConstructor componentDidMount');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenConstructor componentWillReceiveProps');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenConstructor componentWillUpdate');
}
componentDidUpdate() {
log.push('BrokenConstructor componentDidUpdate');
}
componentWillUnmount() {
log.push('BrokenConstructor componentWillUnmount');
}
};
BrokenComponentWillMount = class extends React.Component {
constructor(props) {
super(props);
log.push('BrokenComponentWillMount constructor');
}
render() {
log.push('BrokenComponentWillMount render');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentWillMount componentWillMount [!]');
throw new Error('Hello');
}
componentDidMount() {
log.push('BrokenComponentWillMount componentDidMount');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenComponentWillMount componentWillReceiveProps');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenComponentWillMount componentWillUpdate');
}
componentDidUpdate() {
log.push('BrokenComponentWillMount componentDidUpdate');
}
componentWillUnmount() {
log.push('BrokenComponentWillMount componentWillUnmount');
}
};
BrokenComponentDidMount = class extends React.Component {
constructor(props) {
super(props);
log.push('BrokenComponentDidMount constructor');
}
render() {
log.push('BrokenComponentDidMount render');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentDidMount componentWillMount');
}
componentDidMount() {
log.push('BrokenComponentDidMount componentDidMount [!]');
throw new Error('Hello');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenComponentDidMount componentWillReceiveProps');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenComponentDidMount componentWillUpdate');
}
componentDidUpdate() {
log.push('BrokenComponentDidMount componentDidUpdate');
}
componentWillUnmount() {
log.push('BrokenComponentDidMount componentWillUnmount');
}
};
BrokenComponentWillReceiveProps = class extends React.Component {
constructor(props) {
super(props);
log.push('BrokenComponentWillReceiveProps constructor');
}
render() {
log.push('BrokenComponentWillReceiveProps render');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentWillReceiveProps componentWillMount');
}
componentDidMount() {
log.push('BrokenComponentWillReceiveProps componentDidMount');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenComponentWillReceiveProps componentWillReceiveProps [!]');
throw new Error('Hello');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenComponentWillReceiveProps componentWillUpdate');
}
componentDidUpdate() {
log.push('BrokenComponentWillReceiveProps componentDidUpdate');
}
componentWillUnmount() {
log.push('BrokenComponentWillReceiveProps componentWillUnmount');
}
};
BrokenComponentWillUpdate = class extends React.Component {
constructor(props) {
super(props);
log.push('BrokenComponentWillUpdate constructor');
}
render() {
log.push('BrokenComponentWillUpdate render');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentWillUpdate componentWillMount');
}
componentDidMount() {
log.push('BrokenComponentWillUpdate componentDidMount');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenComponentWillUpdate componentWillReceiveProps');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenComponentWillUpdate componentWillUpdate [!]');
throw new Error('Hello');
}
componentDidUpdate() {
log.push('BrokenComponentWillUpdate componentDidUpdate');
}
componentWillUnmount() {
log.push('BrokenComponentWillUpdate componentWillUnmount');
}
};
BrokenComponentDidUpdate = class extends React.Component {
static defaultProps = {
errorText: 'Hello',
};
constructor(props) {
super(props);
log.push('BrokenComponentDidUpdate constructor');
}
render() {
log.push('BrokenComponentDidUpdate render');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentDidUpdate componentWillMount');
}
componentDidMount() {
log.push('BrokenComponentDidUpdate componentDidMount');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenComponentDidUpdate componentWillReceiveProps');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenComponentDidUpdate componentWillUpdate');
}
componentDidUpdate() {
log.push('BrokenComponentDidUpdate componentDidUpdate [!]');
throw new Error(this.props.errorText);
}
componentWillUnmount() {
log.push('BrokenComponentDidUpdate componentWillUnmount');
}
};
BrokenComponentWillUnmount = class extends React.Component {
static defaultProps = {
errorText: 'Hello',
};
constructor(props) {
super(props);
log.push('BrokenComponentWillUnmount constructor');
}
render() {
log.push('BrokenComponentWillUnmount render');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentWillUnmount componentWillMount');
}
componentDidMount() {
log.push('BrokenComponentWillUnmount componentDidMount');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenComponentWillUnmount componentWillReceiveProps');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenComponentWillUnmount componentWillUpdate');
}
componentDidUpdate() {
log.push('BrokenComponentWillUnmount componentDidUpdate');
}
componentWillUnmount() {
log.push('BrokenComponentWillUnmount componentWillUnmount [!]');
throw new Error(this.props.errorText);
}
};
BrokenComponentWillMountErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
log.push('BrokenComponentWillMountErrorBoundary constructor');
}
render() {
if (this.state.error) {
log.push('BrokenComponentWillMountErrorBoundary render error');
return <div>Caught an error: {this.state.error.message}.</div>;
}
log.push('BrokenComponentWillMountErrorBoundary render success');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentWillMountErrorBoundary componentWillMount [!]');
throw new Error('Hello');
}
componentDidMount() {
log.push('BrokenComponentWillMountErrorBoundary componentDidMount');
}
componentWillUnmount() {
log.push('BrokenComponentWillMountErrorBoundary componentWillUnmount');
}
componentDidCatch(error) {
log.push('BrokenComponentWillMountErrorBoundary componentDidCatch');
this.setState({ error });
}
};
BrokenComponentDidMountErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
log.push('BrokenComponentDidMountErrorBoundary constructor');
}
render() {
if (this.state.error) {
log.push('BrokenComponentDidMountErrorBoundary render error');
return <div>Caught an error: {this.state.error.message}.</div>;
}
log.push('BrokenComponentDidMountErrorBoundary render success');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenComponentDidMountErrorBoundary componentWillMount');
}
componentDidMount() {
log.push('BrokenComponentDidMountErrorBoundary componentDidMount [!]');
throw new Error('Hello');
}
componentWillUnmount() {
log.push('BrokenComponentDidMountErrorBoundary componentWillUnmount');
}
componentDidCatch(error) {
log.push('BrokenComponentDidMountErrorBoundary componentDidCatch');
this.setState({ error });
}
};
BrokenRenderErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
log.push('BrokenRenderErrorBoundary constructor');
}
render() {
if (this.state.error) {
log.push('BrokenRenderErrorBoundary render error [!]');
throw new Error('Hello');
}
log.push('BrokenRenderErrorBoundary render success');
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push('BrokenRenderErrorBoundary componentWillMount');
}
componentDidMount() {
log.push('BrokenRenderErrorBoundary componentDidMount');
}
componentWillUnmount() {
log.push('BrokenRenderErrorBoundary componentWillUnmount');
}
componentDidCatch(error) {
log.push('BrokenRenderErrorBoundary componentDidCatch');
this.setState({ error });
}
};
BrokenRender = class extends React.Component {
constructor(props) {
super(props);
log.push('BrokenRender constructor');
}
render() {
log.push('BrokenRender render [!]');
throw new Error('Hello');
}
UNSAFE_componentWillMount() {
log.push('BrokenRender componentWillMount');
}
componentDidMount() {
log.push('BrokenRender componentDidMount');
}
UNSAFE_componentWillReceiveProps() {
log.push('BrokenRender componentWillReceiveProps');
}
UNSAFE_componentWillUpdate() {
log.push('BrokenRender componentWillUpdate');
}
componentDidUpdate() {
log.push('BrokenRender componentDidUpdate');
}
componentWillUnmount() {
log.push('BrokenRender componentWillUnmount');
}
};
NoopErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
log.push('NoopErrorBoundary constructor');
}
render() {
log.push('NoopErrorBoundary render');
return <BrokenRender />;
}
UNSAFE_componentWillMount() {
log.push('NoopErrorBoundary componentWillMount');
}
componentDidMount() {
log.push('NoopErrorBoundary componentDidMount');
}
componentWillUnmount() {
log.push('NoopErrorBoundary componentWillUnmount');
}
componentDidCatch() {
log.push('NoopErrorBoundary componentDidCatch');
}
};
Normal = class extends React.Component {
static defaultProps = {
logName: 'Normal',
};
constructor(props) {
super(props);
log.push(`${this.props.logName} constructor`);
}
render() {
log.push(`${this.props.logName} render`);
return <div>{this.props.children}</div>;
}
UNSAFE_componentWillMount() {
log.push(`${this.props.logName} componentWillMount`);
}
componentDidMount() {
log.push(`${this.props.logName} componentDidMount`);
}
UNSAFE_componentWillReceiveProps() {
log.push(`${this.props.logName} componentWillReceiveProps`);
}
UNSAFE_componentWillUpdate() {
log.push(`${this.props.logName} componentWillUpdate`);
}
componentDidUpdate() {
log.push(`${this.props.logName} componentDidUpdate`);
}
componentWillUnmount() {
log.push(`${this.props.logName} componentWillUnmount`);
}
};
ErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
log.push(`${this.props.logName} constructor`);
}
render() {
if (this.state.error && !this.props.forceRetry) {
log.push(`${this.props.logName} render error`);
console.log( "ErrorBoundary renderError")
return this.props.renderError(this.state.error, this.props);
}
log.push(`${this.props.logName} render success`);
return <div>{this.props.children}</div>;
}
componentDidCatch(error) {
log.push(`${this.props.logName} componentDidCatch`);
this.setState({ error });
}
UNSAFE_componentWillMount() {
log.push(`${this.props.logName} componentWillMount`);
}
componentDidMount() {
log.push(`${this.props.logName} componentDidMount`);
}
UNSAFE_componentWillReceiveProps() {
log.push(`${this.props.logName} componentWillReceiveProps`);
}
UNSAFE_componentWillUpdate() {
log.push(`${this.props.logName} componentWillUpdate`);
}
componentDidUpdate() {
log.push(`${this.props.logName} componentDidUpdate`);
}
componentWillUnmount() {
log.push(`${this.props.logName} componentWillUnmount`);
}
};
ErrorBoundary.defaultProps = {
logName: 'ErrorBoundary',
renderError(error, props) {
return <div className="hasRef" ref={props.errorMessageRef}>Caught an error: {error.message}.</div>;
},
};
RetryErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
log.push('RetryErrorBoundary constructor');
}
render() {
log.push('RetryErrorBoundary render');
return <BrokenRender />;
}
UNSAFE_componentWillMount() {
log.push('RetryErrorBoundary componentWillMount');
}
componentDidMount() {
log.push('RetryErrorBoundary componentDidMount');
}
componentWillUnmount() {
log.push('RetryErrorBoundary componentWillUnmount');
}
componentDidCatch(error) {
log.push('RetryErrorBoundary componentDidCatch [!]');
// In Fiber, calling setState() (and failing) is treated as a rethrow.
this.setState({});
}
};
ErrorMessage = class extends React.Component {
constructor(props) {
super(props);
log.push('ErrorMessage constructor');
}
UNSAFE_componentWillMount() {
log.push('ErrorMessage componentWillMount');
}
componentDidMount() {
log.push('ErrorMessage componentDidMount');
}
componentWillUnmount() {
log.push('ErrorMessage componentWillUnmount');
}
render() {
log.push('ErrorMessage render');
return <div>Caught an error: {this.props.message}.</div>;
}
};
var expect = function(a) {
return {
toBe: function(b) {
console.log(a, 'vs', b, a === b);
},
toEqual(b) {
console.log(a, 'vs', b, a + '' === b + '');
},
toThrow(){
try{
a()
}catch(e){
console.log(e,"catch")
}
}
};
};
//================================
//================================
//================================
//================================
//================================
ReactDOM.render(
<ErrorBoundary>
<BrokenComponentWillUnmount>
<Normal />
</BrokenComponentWillUnmount>
<BrokenComponentDidMount />
<Normal logName="LastChild" />
</ErrorBoundary>,
container,
);
expect(log).toEqual([
'ErrorBoundary constructor',
'ErrorBoundary componentWillMount',
'ErrorBoundary render success',
'BrokenComponentWillUnmount constructor',
'BrokenComponentWillUnmount componentWillMount',
'BrokenComponentWillUnmount render',
'Normal constructor',
'Normal componentWillMount',
'Normal render',
'BrokenComponentDidMount constructor',
'BrokenComponentDidMount componentWillMount',
'BrokenComponentDidMount render',
'LastChild constructor',
'LastChild componentWillMount',
'LastChild render',
// Start flushing didMount queue
'Normal componentDidMount',
'BrokenComponentWillUnmount componentDidMount',
'BrokenComponentDidMount componentDidMount [!]',
// Continue despite the error
'LastChild componentDidMount',
'ErrorBoundary componentDidMount',
// Now we are ready to handle the error
// Safely unmount every child
'BrokenComponentWillUnmount componentWillUnmount [!]',
// Continue unmounting safely despite any errors
'Normal componentWillUnmount',
'BrokenComponentDidMount componentWillUnmount',
'LastChild componentWillUnmount',
// Handle the error
'ErrorBoundary componentDidCatch',
'ErrorBoundary componentWillUpdate',
// The willUnmount error should be captured and logged, too.
'ErrorBoundary componentDidUpdate',
'ErrorBoundary componentDidCatch',
'ErrorBoundary componentWillUpdate',
'ErrorBoundary render error',
// The update has finished
'ErrorBoundary componentDidUpdate',
]);
</script>
</html>