lexica-dialog-core/dist/middlewares/IntentPostProcessorMiddleware.js

Core server for Lexica dialog agent.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("lodash");
const immutable_1 = require("immutable");
const intentPostProcessorMiddleware = async (context, next) => {
    const { request, commands, postProcessors, uni, uniConfigs, messenger, issue, senderInfo } = context;
    if (!lodash_1.isNil(request)) {
        const { locale, senderId } = request;
        const processorContext = {
            issue,
            locale,
            messengerName: messenger.name,
            senderId,
            senderInfo,
            uni,
            uniConfigs,
        };
        const commandPromises = commands.toArray().map(async (command) => {
            const { intent, features } = command;
            let processedFeatures = lodash_1.defaultTo(features, immutable_1.Map());
            if (!lodash_1.isNil(intent) && !lodash_1.isNil(intent.postProcessors)) {
                const intentPostProcessors = intent.postProcessors
                    .filter(postProcessorName => postProcessors.has(postProcessorName))
                    .map(postProcessorName => postProcessors.get(postProcessorName));
                for (const postProcessor of intentPostProcessors) {
                    processedFeatures = processedFeatures.merge(await postProcessor(processorContext, processedFeatures));
                }
            }
            command.processedFeatures = processedFeatures;
        });
        await Promise.all(commandPromises);
    }
    await next();
};
exports.default = intentPostProcessorMiddleware;
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