botbuilder-dialogs-adaptive/src/converters/textTemplateConverter.ts

Rule system for the Microsoft BotBuilder dialog system.

/**
 * @module botbuilder-dialogs-adaptive
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

import { Converter } from 'botbuilder-dialogs';
import { TextTemplate } from '../templates';

/**
 * Text template converter that implements [Converter](xref:botbuilder-dialogs-declarative.Converter).
 */
export class TextTemplateConverter implements Converter<string, TextTemplate> {
    /**
     * Converts a string to a [TextTemplate](xref:botbuilder-dialogs-adaptive.TextTemplate) instance.
     *
     * @param value The template to evaluate to create text.
     * @returns A new [TextTemplate](xref:botbuilder-dialogs-adaptive.TextTemplate) instance.
     */
    convert(value: string | TextTemplate): TextTemplate {
        return typeof value === 'string' ? new TextTemplate(value) : value;
    }
}