Исправлен парсинг конфига из командной строки

config-reader/index.ts

@@ -4,7 +4,6 @@ import { absurd } from '../types';
 import { WithDefault, RecordDecoder, Decoder } from '../decoder';
 import { Either } from '../either';
 
-
 /** 
  * Источник данных для чтения конфигов
  */
@@ -14,45 +13,40 @@ export type ConfigSource =
   | { tag: 'JSON', value: object }
   | { tag: 'Concat', sources: ConfigSource[] }
 
-
 export function cli(args: string[], prefix: string = ''): ConfigSource {
   return { tag: 'Cli', args, prefix };
 }
 
-
 export function queryString(value: string, transformKey = camelCase): ConfigSource {
   return { tag: 'Location/search', value, transformKey };
 }
 
-
 export function json(value: object): ConfigSource {
   return { tag: 'JSON', value };
 }
 
-
 export function concat(...sources: ConfigSource[]): ConfigSource {
   return { tag: 'Concat', sources };
 }
 
-
 export function validate<A>(config: ConfigSource, decoder: RecordDecoder<A>) {
   return decoder.validate(merge(decoder, config));
 }
 
-
 export function merge<A>(decoder: RecordDecoder<A>, ...srcs: ConfigSource[]): object {
   const source = srcs.length === 1 ? srcs[0] : concat(...srcs);
+  debugger;
   if (source.tag === 'Cli') {
-    const value: Record<string, any> = {};
+    const output: Record<string, any> = {};
     for (let i = 0; i < source.args.length; i++) {
       const prefixLen = '--'.length + source.prefix.length;
+      if (!source.args[i].startsWith('--' + source.prefix)) continue;
       const rest = source.args[i].substr(prefixLen);
-      const [k, v] = rest.indexOf('=') === -1 ? [rest, source.args[++i] || ''] : source.args[i].split('=');
-      // Проверка того что это известно
-      if (!decoder._description.hasOwnProperty(k)) continue;
-      value[k] = fromString(decoder._description[k], v);
+      const [key, value] = rest.indexOf('=') === -1 ? [rest, source.args[++i] || ''] : rest.split('=');
+      if (!decoder._description.hasOwnProperty(key)) continue;
+      output[key] = fromString(decoder._description[key], value);
     }
-    return value;    
+    return output;    
   }
 
   if (source.tag === 'Location/search') {
@@ -153,7 +147,6 @@ export function fromString(d: Decoder<any>, value: string): unknown {
   return absurd(d);
 }
 
-
 export class ConfigDescription<A> extends t.ToDecoder<A> {
   constructor(
     readonly _decoder: Decoder<A>,
@@ -168,7 +161,6 @@ export class ConfigDescription<A> extends t.ToDecoder<A> {
 // Информация о cli параметрe
 export type InfoItem = { type: string; default?: unknown; description?: string };
 
-
 export function configInfo(decoder: RecordDecoder<any>, prefix=''): Record<string, InfoItem> {
   return Object.keys(decoder._description).reduce((acc, k) => (acc[k] = go(decoder._description[k]), acc), {});
 
@@ -247,7 +239,6 @@ export function configInfo(decoder: RecordDecoder<any>, prefix=''): Record<strin
   }
 }
 
-
 declare module "../decoder" {
   interface DecoderBase<A> {
     withDescription(description: string): Decoder<A>;