@aimee-blue/ab-service-kit/lib/shared/sockets/actionStreamFromSocket.js

Aimee Blue Service Template

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.actionStreamFromSocket = void 0;

var _rxjs = require("rxjs");

var _operators = require("rxjs/operators");

var _abContracts = require("@aimee-blue/ab-contracts");

var _helpers = require("./helpers");

var _logging = require("../logging");

function defaultActionSchemaByType(type) {
  const schema = _abContracts.Channels.actionSchemaByType(type);

  if (!schema) {
    return null;
  }

  const fullSchema = _abContracts.Channels.partialMessageSchema(schema);

  return fullSchema;
}

const actionStreamFromSocket = (data, actionSchemaByType = defaultActionSchemaByType, logger = _logging.defaultLogger) => {
  return data.pipe((0, _operators.filter)(_helpers.isString), (0, _operators.mergeMap)(nonParsed => {
    const value = (0, _helpers.tryParse)(nonParsed, logger);

    if (value === null) {
      return _rxjs.EMPTY;
    }

    if (typeof value !== 'object' || !('type' in value)) {
      logger.error('💥  No type property in incoming message');
      return _rxjs.EMPTY;
    }

    const schema = actionSchemaByType(value.type);

    if (!schema) {
      logger.error('💥  No schema found for type', value.type);
      return _rxjs.EMPTY;
    }

    const result = schema.validate(value);

    if (result.error) {
      logger.error('💥  Invalid message of type', value.type, result.error);
      return _rxjs.EMPTY;
    }

    return (0, _rxjs.of)(result.value);
  }));
};

exports.actionStreamFromSocket = actionStreamFromSocket;
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