fix: work with empty data

package.json

@@ -6,7 +6,6 @@
   "type": "module",
   "scripts": {
     "prepare": "simple-git-hooks",
-    "start": "nodemon",
     "build": "rollup --config rollup.config.ts --configPlugin rollup-plugin-esbuild",
     "build:watch": "npm run build -- --watch",
     "lint": "NODE_ENV=production eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",

src/utils/formatters.ts

@@ -1,5 +1,5 @@
 import chalk from 'chalk';
-import { isObject, isString } from 'lodash-es';
+import { isNil, isObject, isString } from 'lodash-es';
 
 import { type CircularDependenciesData } from '../types';
 
@@ -24,6 +24,10 @@ function PrettyFormatter(config?: PrettyFormatterConfig): Formatter {
   const { colors = true } = config || {};
 
   return (data): string => {
+    if (!isNil(data) && isObject(data) && Object.keys(data).length === 0) {
+      return '';
+    }
+
     if (!isValidData(data)) {
       throw new Error('Pretty formatter can only be used with original output');
     }

src/utils/printers.ts

@@ -44,14 +44,15 @@ class FilePrinter extends Printer {
 }
 
 class ConsolePrinter extends Printer {
-  public shouldPrint(): boolean {
-    return !this.ctx.options.outputFilePath;
+  public shouldPrint(data: FormattedData): boolean {
+    const isConsolePrinter = !this.ctx.options.outputFilePath;
+    const isDataExists = data || data === 0 || (typeof data === 'string' && data.length > 0);
+
+    return isConsolePrinter && isDataExists;
   }
 
   public print(data: FormattedData): void {
-    if (data || data === '' || data === 0) {
-      console.info('\n\n' + data?.toString() + '\n');
-    }
+    console.info('\n\n' + data?.toString() + '\n');
   }
 }
 

tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig.base.json",
+  "include": ["src"],
+}