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June 5, 2017 22:58
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Optional object dangers
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| { | |
| If(this.props.person) ( | |
| <Text>Hello, {this.props.person.name}</Text> // This still gets unsafely evaluated! | |
| ) | |
| } |
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| { | |
| If(this.props.person) (() => ( | |
| <Text>Hello, {this.props.person.name}</Text> // Evaluated only when condition passes! | |
| )) | |
| } |
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| function If (condition) { | |
| return (componentOrFn) { | |
| if (condition) { | |
| if (typeof condition === 'function') return componentOrFn() | |
| return componentOrFn; | |
| } | |
| } | |
| } |
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