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FormValidator.js
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FormValidator.js
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import React from 'react';
import {
View,
Text,
} from 'react-native';
class FormValidator extends React.Component {
state = {
valid: true,
}
validatorRefs = [];
addRef = (ref, type) => {
if (type.name === 'Rule' && ref) {
this.validatorRefs.push(ref);
}
}
validate() {
let hasError = false;
this.validatorRefs.forEach((rule) => {
if(rule.hasError(this.props.value)) {
hasError = true;
}
});
return !hasError;
}
render() {
return (<View>
{React.Children.toArray(this.props.children).map((Child, index) => <Child.type
key={`Child${index}`}
{...Child.props}
ref={ref => this.addRef(ref, Child.type)}
/>)}
</View>);
}
}
export default FormValidator;