initial

src/config/index.ts

@@ -0,0 +1,18 @@
+import yaml from 'js-yaml'
+import fs from 'fs'
+import path from 'path';
+import { Config } from './types';
+import { mergeRight } from 'ramda';
+import { validateConfig } from './validate';
+import logger from '../service/logger';
+
+const defaultConfig = yaml.load<Config>(fs.readFileSync(path.join(__dirname, '../config.example.yml'), 'utf8'));
+const userConfig = yaml.load<Config>(fs.readFileSync(path.join(__dirname, '../config.yml'), 'utf8'));
+
+const config = userConfig && mergeRight(defaultConfig, userConfig) || defaultConfig
+
+export default function prepareConfig() {
+  validateConfig(config)
+  logger.debug('config is ok:', config)
+  return config
+}

src/config/types.ts

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+import { TelegramConfig } from '../service/telegram/types';
+import { VkConfig } from '../service/vk/types';
+import { HttpConfig } from '../api/http/types';
+
+export interface Config extends Record<string, any>{
+  http: HttpConfig
+  telegram: TelegramConfig
+  vk: VkConfig
+}

src/config/validate.ts

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+import { object } from 'yup'
+import { httpConfigSchema } from '../api/http/validation';
+import { Config } from './types';
+import { vkConfigSchema } from '../service/vk/validation';
+import { telegramConfigSchema } from '../service/telegram/validation';
+
+const configSchema = object<Config>().required().shape({
+  http: httpConfigSchema,
+  vk: vkConfigSchema,
+  telegram: telegramConfigSchema,
+})
+
+export const validateConfig = (config: Config) => configSchema.validateSync(config)