field RegexValidator.ts

100% Statements 11/11

100% Branches 4/4

100% Functions 2/2

100% Lines 11/11

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  import { ValidatorOptions } from "../Validator";
import SingleValueFieldValidator, { SingleValueFieldValidationContext } from "./SingleValueFieldValidator";
 
export interface RegexValidatorOptions extends ValidatorOptions {
 
    regex: RegExp;
}
 
export default abstract class RegexValidator extends SingleValueFieldValidator {
 
    _regex: RegExp;
 
    constructor(options: RegexValidatorOptions) {
 
        super(options);
 
        this._regex = options.regex!;
    }
 
    validate(context: SingleValueFieldValidationContext): boolean {
 
        const {
            label,
            value
        } = context;
 
        // Assume valid if the valid is undefined
        if (value === undefined)
        {
            return true;
        }
 
        var valid = this._regex.test(value);
 
        if (!valid) {
 
            this.emitErrors(context, { label });
        }
 
        return valid;
    }
}