All files / sportident/src/storage SiFieldValue.ts

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import {ISiFieldValue, ISiDataType, ValueToStringError, ValueFromStringError} from './interfaces';
 
export class SiFieldValue<T> implements ISiFieldValue<T> {
    static fromString<U>(
        field: ISiDataType<U>,
        stringValue: string,
    ): SiFieldValue<U>|ValueFromStringError {
        const value = field.valueFromString(stringValue);
        if (value instanceof ValueFromStringError) {
            return value;
        }
        return new this(field, value);
    }
 
    constructor(
        public field: ISiDataType<T>,
        public value: T,
    ) {}
 
    toString(): string {
        const stringValue = this.field.valueToString(this.value);
        return (stringValue instanceof ValueToStringError) ? '' : stringValue;
    }
}