@twilio/flex-plugins-library-utils/src/common/PluginUtilsErrorManager.ts

Flex Plugins Library Utils

import { isArray, isBoolean, isNumber, isObject, isString } from 'lodash';

export class PluginUtilsErrorManager extends Error {
  code: number;

  constructor(message: string, code: number) {
    super(message);
    this.code = code;
    Object.setPrototypeOf(this, PluginUtilsErrorManager.prototype);
  }

  static checkInvalidParameters<T>(parameters: T, checks: Record<string, string>): string {
    for (const key in checks) {
      if (Object.prototype.hasOwnProperty.call(checks, key)) {
        const expectedType = checks[key];
        const actualValue = parameters[key];
        switch (expectedType) {
          case 'string':
            if (!isString(actualValue) || actualValue.length === 0) {
              return `Invalid parameters object passed. Parameter '${key}' must be a string.`;
            }
            break;
          case 'number':
            if (!isNumber(actualValue)) {
              return `Invalid parameters object passed. Parameter '${key}' must be a number.`;
            }
            break;
          case 'array':
            if (!isArray(actualValue)) {
              return `Invalid parameters object passed. Parameter '${key}' must be an array.`;
            }
            break;
          case 'boolean':
            if (!isBoolean(actualValue)) {
              return `Invalid parameters object passed. Parameter '${key}' must be a boolean.`;
            }
            break;
          case 'object':
            if (!isObject(actualValue)) {
              return `Invalid parameters object passed. Parameter '${key}' must be an object.`;
            }
            break;
          default:
            throw new Error(`Unsupported expected type: ${expectedType}`);
        }
      }
    }
    return '';
  }
}