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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.development2.js"></script>
<script type='text/javascript' src="./react-dom.development2.js"></script>-->
<script type='text/javascript' src="./lib/babel.js"></script>
<script type="text/babel">
var BrokenConstructor;
var BrokenComponentWillMount;
var BrokenComponentDidMount;
var BrokenComponentWillReceiveProps;
var BrokenComponentWillUpdate;
var BrokenComponentDidUpdate;
var BrokenComponentWillUnmount;
var BrokenRenderErrorBoundary;
var BrokenComponentWillMountErrorBoundary;
var BrokenComponentDidMountErrorBoundary;
var BrokenRender;
var ErrorBoundary;
var ErrorMessage;
var NoopErrorBoundary;
var RetryErrorBoundary;
var Normal;
var logger;
var log = [];
logger = function(a){
console.log(a)
log.push(a)
}
BrokenConstructor = class extends React.Component {
constructor(props) {
super(props);
logger("BrokenConstructor constructor [!]");
throw new Error("Hello");
}
render() {
logger("BrokenConstructor render");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenConstructor componentWillMount");
}
componentDidMount() {
logger("BrokenConstructor componentDidMount");
}
componentWillReceiveProps() {
logger("BrokenConstructor componentWillReceiveProps");
}
componentWillUpdate() {
logger("BrokenConstructor componentWillUpdate");
}
componentDidUpdate() {
logger("BrokenConstructor componentDidUpdate");
}
componentWillUnmount() {
logger("BrokenConstructor componentWillUnmount");
}
};
BrokenComponentWillMount = class extends React.Component {
constructor(props) {
super(props);
logger("BrokenComponentWillMount constructor");
}
render() {
logger("BrokenComponentWillMount render");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentWillMount componentWillMount [!]");
throw new Error("Hello");
}
componentDidMount() {
logger("BrokenComponentWillMount componentDidMount");
}
componentWillReceiveProps() {
logger("BrokenComponentWillMount componentWillReceiveProps");
}
componentWillUpdate() {
logger("BrokenComponentWillMount componentWillUpdate");
}
componentDidUpdate() {
logger("BrokenComponentWillMount componentDidUpdate");
}
componentWillUnmount() {
logger("BrokenComponentWillMount componentWillUnmount");
}
};
BrokenComponentDidMount = class extends React.Component {
constructor(props) {
super(props);
logger("BrokenComponentDidMount constructor");
}
render() {
logger("BrokenComponentDidMount render");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentDidMount componentWillMount");
}
componentDidMount() {
logger("BrokenComponentDidMount componentDidMount [!]");
throw new Error("Hello");
}
componentWillReceiveProps() {
logger("BrokenComponentDidMount componentWillReceiveProps");
}
componentWillUpdate() {
logger("BrokenComponentDidMount componentWillUpdate");
}
componentDidUpdate() {
logger("BrokenComponentDidMount componentDidUpdate");
}
componentWillUnmount() {
logger("BrokenComponentDidMount componentWillUnmount");
}
};
BrokenComponentWillReceiveProps = class extends React.Component {
constructor(props) {
super(props);
logger("BrokenComponentWillReceiveProps constructor");
}
render() {
logger("BrokenComponentWillReceiveProps render");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentWillReceiveProps componentWillMount");
}
componentDidMount() {
logger("BrokenComponentWillReceiveProps componentDidMount");
}
componentWillReceiveProps() {
logger("BrokenComponentWillReceiveProps componentWillReceiveProps [!]");
throw new Error("Hello");
}
componentWillUpdate() {
logger("BrokenComponentWillReceiveProps componentWillUpdate");
}
componentDidUpdate() {
logger("BrokenComponentWillReceiveProps componentDidUpdate");
}
componentWillUnmount() {
logger("BrokenComponentWillReceiveProps componentWillUnmount");
}
};
BrokenComponentWillUpdate = class extends React.Component {
constructor(props) {
super(props);
logger("BrokenComponentWillUpdate constructor");
}
render() {
logger("BrokenComponentWillUpdate render");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentWillUpdate componentWillMount");
}
componentDidMount() {
logger("BrokenComponentWillUpdate componentDidMount");
}
componentWillReceiveProps() {
logger("BrokenComponentWillUpdate componentWillReceiveProps");
}
componentWillUpdate() {
logger("BrokenComponentWillUpdate componentWillUpdate [!]");
throw new Error("Hello");
}
componentDidUpdate() {
logger("BrokenComponentWillUpdate componentDidUpdate");
}
componentWillUnmount() {
logger("BrokenComponentWillUpdate componentWillUnmount");
}
};
BrokenComponentDidUpdate = class extends React.Component {
static defaultProps = {
errorText: "Hello"
};
constructor(props) {
super(props);
logger("BrokenComponentDidUpdate constructor");
}
render() {
logger("BrokenComponentDidUpdate render");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentDidUpdate componentWillMount");
}
componentDidMount() {
logger("BrokenComponentDidUpdate componentDidMount");
}
componentWillReceiveProps() {
logger("BrokenComponentDidUpdate componentWillReceiveProps");
}
componentWillUpdate() {
logger("BrokenComponentDidUpdate componentWillUpdate");
}
componentDidUpdate() {
logger("BrokenComponentDidUpdate componentDidUpdate [!]");
throw new Error(this.props.errorText);
}
componentWillUnmount() {
logger("BrokenComponentDidUpdate componentWillUnmount");
}
};
BrokenComponentWillUnmount = class extends React.Component {
static defaultProps = {
errorText: "Hello"
};
constructor(props) {
super(props);
logger("BrokenComponentWillUnmount constructor");
}
render() {
logger("BrokenComponentWillUnmount render");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentWillUnmount componentWillMount");
}
componentDidMount() {
logger("BrokenComponentWillUnmount componentDidMount");
}
componentWillReceiveProps() {
logger("BrokenComponentWillUnmount componentWillReceiveProps");
}
componentWillUpdate() {
logger("BrokenComponentWillUnmount componentWillUpdate");
}
componentDidUpdate() {
logger("BrokenComponentWillUnmount componentDidUpdate");
}
componentWillUnmount() {
logger("BrokenComponentWillUnmount componentWillUnmount [!]");
throw new Error(this.props.errorText);
}
};
BrokenComponentWillMountErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
logger("BrokenComponentWillMountErrorBoundary constructor");
}
render() {
if (this.state.error) {
logger("BrokenComponentWillMountErrorBoundary render error");
return <div>Caught an error: {this.state.error.message}.</div>;
}
logger("BrokenComponentWillMountErrorBoundary render success");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentWillMountErrorBoundary componentWillMount [!]");
throw new Error("Hello");
}
componentDidMount() {
logger("BrokenComponentWillMountErrorBoundary componentDidMount");
}
componentWillUnmount() {
logger("BrokenComponentWillMountErrorBoundary componentWillUnmount");
}
componentDidCatch(error) {
logger("BrokenComponentWillMountErrorBoundary componentDidCatch");
this.setState({ error });
}
};
BrokenComponentDidMountErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
logger("BrokenComponentDidMountErrorBoundary constructor");
}
render() {
if (this.state.error) {
logger("BrokenComponentDidMountErrorBoundary render error");
return <div>Caught an error: {this.state.error.message}.</div>;
}
logger("BrokenComponentDidMountErrorBoundary render success");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenComponentDidMountErrorBoundary componentWillMount");
}
componentDidMount() {
logger("BrokenComponentDidMountErrorBoundary componentDidMount [!]");
throw new Error("Hello");
}
componentWillUnmount() {
logger("BrokenComponentDidMountErrorBoundary componentWillUnmount");
}
componentDidCatch(error) {
logger("BrokenComponentDidMountErrorBoundary componentDidCatch");
this.setState({ error });
}
};
BrokenRenderErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
logger("BrokenRenderErrorBoundary constructor");
}
render() {
if (this.state.error) {
logger("BrokenRenderErrorBoundary render error [!]");
throw new Error("Hello");
}
logger("BrokenRenderErrorBoundary render success");
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger("BrokenRenderErrorBoundary componentWillMount");
}
componentDidMount() {
logger("BrokenRenderErrorBoundary componentDidMount");
}
componentWillUnmount() {
logger("BrokenRenderErrorBoundary componentWillUnmount");
}
componentDidCatch(error) {
logger("BrokenRenderErrorBoundary componentDidCatch");
this.setState({ error });
}
};
BrokenRender = class extends React.Component {
constructor(props) {
super(props);
logger("BrokenRender constructor");
}
render() {
logger("BrokenRender render [!]");
throw new Error("Hello");
}
componentWillMount() {
logger("BrokenRender componentWillMount");
}
componentDidMount() {
logger("BrokenRender componentDidMount");
}
componentWillReceiveProps() {
logger("BrokenRender componentWillReceiveProps");
}
componentWillUpdate() {
logger("BrokenRender componentWillUpdate");
}
componentDidUpdate() {
logger("BrokenRender componentDidUpdate");
}
componentWillUnmount() {
logger("BrokenRender componentWillUnmount");
}
};
NoopErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
logger("NoopErrorBoundary constructor");
}
render() {
logger("NoopErrorBoundary render");
return <BrokenRender />;
}
componentWillMount() {
logger("NoopErrorBoundary componentWillMount");
}
componentDidMount() {
logger("NoopErrorBoundary componentDidMount");
}
componentWillUnmount() {
logger("NoopErrorBoundary componentWillUnmount");
}
componentDidCatch() {
logger("NoopErrorBoundary componentDidCatch");
}
};
Normal = class extends React.Component {
static defaultProps = {
logName: "Normal"
};
constructor(props) {
super(props);
logger(`${this.props.logName} constructor`);
}
render() {
logger(`${this.props.logName} render`);
return <div>{this.props.children}</div>;
}
componentWillMount() {
logger(`${this.props.logName} componentWillMount`);
}
componentDidMount() {
logger(`${this.props.logName} componentDidMount`);
}
componentWillReceiveProps() {
logger(`${this.props.logName} componentWillReceiveProps`);
}
componentWillUpdate() {
logger(`${this.props.logName} componentWillUpdate`);
}
componentDidUpdate() {
logger(`${this.props.logName} componentDidUpdate`);
}
componentWillUnmount() {
logger(`${this.props.logName} componentWillUnmount`);
}
};
ErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
this.state = { error: null };
logger(`${this.props.logName} constructor`);
}
render() {
if (this.state.error && !this.props.forceRetry) {
logger(`${this.props.logName} render error`);
return this.props.renderError(this.state.error, this.props);
}
logger(`${this.props.logName} render success`);
return <div className="XXX">{this.props.children}</div>;
}
componentDidCatch(error,info) {
logger(`${this.props.logName} componentDidCatch`);
this.setState({ error });
}
componentWillMount() {
logger(`${this.props.logName} componentWillMount`);
}
componentDidMount() {
logger(`${this.props.logName} componentDidMount`);
}
componentWillReceiveProps() {
logger(`${this.props.logName} componentWillReceiveProps`);
}
componentWillUpdate() {
logger(`${this.props.logName} componentWillUpdate`);
}
componentDidUpdate() {
logger(`${this.props.logName} componentDidUpdate`);
}
componentWillUnmount() {
logger(`${this.props.logName} componentWillUnmount`);
}
};
ErrorBoundary.defaultProps = {
logName: "ErrorBoundary",
renderError(error, props) {
return <div ref={props.errorMessageRef}>Caught an error: {error.message}.</div>;
}
};
RetryErrorBoundary = class extends React.Component {
constructor(props) {
super(props);
logger("RetryErrorBoundary constructor");
}
render() {
logger("RetryErrorBoundary render");
return <BrokenRender />;
}
componentWillMount() {
logger("RetryErrorBoundary componentWillMount");
}
componentDidMount() {
logger("RetryErrorBoundary componentDidMount");
}
componentWillUnmount() {
logger("RetryErrorBoundary componentWillUnmount");
}
componentDidCatch(error) {
logger("RetryErrorBoundary componentDidCatch [!]");
// In Fiber, calling setState() (and failing) is treated as a rethrow.
this.setState({});
}
};
ErrorMessage = class extends React.Component {
constructor(props) {
super(props);
logger("ErrorMessage constructor");
}
componentWillMount() {
logger("ErrorMessage componentWillMount");
}
componentDidMount() {
logger("ErrorMessage componentDidMount");
}
componentWillUnmount() {
logger("ErrorMessage componentWillUnmount");
}
render() {
logger("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(b){
try{
a()
}catch(e){
console.log(e,"vs", b, e.message +""=== b+"")
}
}
}
}
</script>
</head>
<body>
<div>开发者工具</div>
<xmp>
<ErrorBoundary>
<BrokenRender />
</ErrorBoundary>
-->
<ErrorBoundary forceRetry={true}>After 3</ErrorBoundary>
</xmp>
<pre>
["OuterErrorBoundary componentWillReceiveProps",
"OuterErrorBoundary componentWillUpdate",
"OuterErrorBoundary render success",
"InnerUnmountBoundary componentWillReceiveProps",
"InnerUnmountBoundary componentWillUpdate",
"InnerUnmountBoundary render success",
"BrokenRender constructor",
"BrokenRender componentWillMount",
"BrokenRender render [!]",
"InnerUnmountBoundary componentWillUnmount",
"InnerUpdateBoundary componentWillUnmount",
"BrokenComponentWillReceiveProps componentWillUnmount",
"BrokenComponentWillReceiveProps componentWillUnmount",
"OuterErrorBoundary componentDidUpdate",
"OuterErrorBoundary componentDidCatch",
"OuterErrorBoundary componentWillUpdate",
"OuterErrorBoundary render error",
"OuterErrorBoundary componentDidUpdate"]
</pre>
<div id='example'></div>
<script type='text/babel'>
var container = document.getElementById("example");
var div = container;
var PropTypes = React.PropTypes
if (!window.ReactDOM) {
window.ReactDOM = window.React;
}
var body = document.body
function renderUnmountError(error) {
return <div>Caught an unmounting error: {error.message}.</div>;
}
function renderUpdateError(error) {
return <div>Caught an updating error: {error.message}.</div>;
}
// var container = document.createElement("div");
ReactDOM.render(
<ErrorBoundary logName="OuterErrorBoundary">
<ErrorBoundary logName="InnerUnmountBoundary" renderError={renderUnmountError}>
</ErrorBoundary>
<ErrorBoundary logName="InnerUpdateBoundary" renderError={renderUpdateError}>
<BrokenComponentWillReceiveProps errorText="E3" />
<BrokenComponentWillReceiveProps errorText="E4" />
</ErrorBoundary>
</ErrorBoundary>,
container
);
expect(log).toEqual(["OuterErrorBoundary constructor",
"OuterErrorBoundary componentWillMount",
"OuterErrorBoundary render success",
"InnerUnmountBoundary constructor",
"InnerUnmountBoundary componentWillMount",
"InnerUnmountBoundary render success",
"InnerUpdateBoundary constructor",
"InnerUpdateBoundary componentWillMount",
"InnerUpdateBoundary render success",
"BrokenComponentWillReceiveProps constructor",
"BrokenComponentWillReceiveProps componentWillMount",
"BrokenComponentWillReceiveProps render",
"BrokenComponentWillReceiveProps constructor",
"BrokenComponentWillReceiveProps componentWillMount",
"BrokenComponentWillReceiveProps render",
"InnerUnmountBoundary componentDidMount",
"BrokenComponentWillReceiveProps componentDidMount",
"BrokenComponentWillReceiveProps componentDidMount",
"InnerUpdateBoundary componentDidMount",
"OuterErrorBoundary componentDidMount"])
log.length = 0;
ReactDOM.render(
<ErrorBoundary logName="OuterErrorBoundary">
<ErrorBoundary logName="InnerUnmountBoundary" renderError={renderUnmountError} />
<BrokenRender errorText="E1" />
<BrokenRender errorText="E2" />
<ErrorBoundary logName="InnerUpdateBoundary" renderError={renderUpdateError}>
<BrokenComponentWillReceiveProps errorText="E3" />
<BrokenComponentWillReceiveProps errorText="E4" />
</ErrorBoundary>
</ErrorBoundary>,
container
);
expect(container.firstChild.textContent).toBe("Caught an error: Hello.");
expect(log).toEqual([ "OuterErrorBoundary componentWillReceiveProps",
"OuterErrorBoundary componentWillUpdate",
"OuterErrorBoundary render success",
"InnerUnmountBoundary componentWillReceiveProps",
"InnerUnmountBoundary componentWillUpdate",
"InnerUnmountBoundary render success",
"BrokenRender constructor",
"BrokenRender componentWillMount",
"BrokenRender render [!]",
"InnerUnmountBoundary componentWillUnmount",
"InnerUpdateBoundary componentWillUnmount",
"BrokenComponentWillReceiveProps componentWillUnmount",
"BrokenComponentWillReceiveProps componentWillUnmount",
"OuterErrorBoundary componentDidUpdate",
"OuterErrorBoundary componentDidCatch",
"OuterErrorBoundary componentWillUpdate",
"OuterErrorBoundary render error",
"OuterErrorBoundary componentDidUpdate"
]);
// log.length = 0;
// ReactDOM.unmountComponentAtNode(container);
// expect(log).toEqual(["OuterErrorBoundary componentWillUnmount", "InnerUnmountBoundary componentWillUnmount", "InnerUpdateBoundary componentWillUnmount"]);
</script>
</body>
</html>