feat(utils/logger): adds logger

package.json

@@ -100,8 +100,10 @@
     "typescript": "^3.4.2"
   },
   "dependencies": {
+    "@types/loglevel": "^1.5.4",
     "find-up": "^3.0.0",
     "lodash.clone": "^4.5.0",
+    "loglevel": "^1.6.1",
     "pify": "^4.0.1",
     "spawn-command": "0.0.2-1"
   },

src/constants.ts

@@ -1,4 +1,6 @@
 // Default configuration file name
 export const FILE_NAME = 'kpo.scripts';
+// Default logging level
+export const DEFAULT_LOG_LEVEL = 'info';
 // Default stdio for spawned commands
 export const DEFAULT_STDIO = 'inherit';

src/index.ts

@@ -1 +1 @@
-export default function main(): void {}
+export * from './types';

src/types.ts

@@ -0,0 +1,3 @@
+import { LogLevelDesc } from 'loglevel';
+
+export type TLogger = LogLevelDesc;

src/utils/logger.ts

@@ -0,0 +1,11 @@
+import loglevel from 'loglevel';
+import { DEFAULT_LOG_LEVEL } from '~/constants';
+import { TLogger } from '~/types';
+
+const logger = loglevel.getLogger('_kpo_logger_');
+logger.setDefaultLevel(DEFAULT_LOG_LEVEL);
+
+export default logger;
+export function setLevel(level: TLogger): void {
+  logger.setLevel(level);
+}