botbuilder-dialogs/lib/memory/pathResolvers/aliasPathResolver.js

A dialog stack based conversation manager for Microsoft BotBuilder.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AliasPathResolver = void 0;
/**
 * Maps aliasXXX -> path.xxx ($foo => dialog.foo).
 */
class AliasPathResolver {
    /**
     * Initializes a new instance of the [AliasPathResolver](xref:botbuilder-dialogs.AliasPathResolver) class.
     *
     * @param alias Alias name.
     * @param prefix Prefix name.
     * @param postfix Postfix name.
     */
    constructor(alias, prefix, postfix) {
        this.alias = alias.trim();
        this.prefix = prefix.trim();
        this.postfix = postfix ? postfix.trim() : '';
    }
    /**
     * Transforms the path.
     *
     * @param path Path to inspect.
     * @returns The transformed path.
     */
    transformPath(path) {
        const start = path.indexOf(this.alias);
        if (start == 0) {
            // here we only deals with trailing alias, alias in middle be handled in further breakdown
            // $xxx -> path.xxx
            path = `${this.prefix}${path.substr(start + this.alias.length)}${this.postfix}`;
            if (path.endsWith('.')) {
                path = path.substr(0, path.length - 1);
            }
        }
        return path;
    }
}
exports.AliasPathResolver = AliasPathResolver;
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