Added warnings to scan stats.

Author: Chrilleweb

CHANGELOG.md

@@ -7,7 +7,7 @@ This project follows [Keep a Changelog](https://keepachangelog.com/) and [Semant
 
 ### Added
 
--
+- Added warnings count to scan usage stats.
 
 ### Changed
 

src/commands/scanUsage.ts

@@ -50,9 +50,6 @@ export async function scanUsage(
   const endTime = performance.now();
   scanResult.stats.duration = (endTime - startTime) / 1000; // Convert to seconds
 
-  // Recalculate stats after filtering
-  calculateStats(scanResult);
-
   // If user explicitly passed --example flag, but the file doesn't exist:
   if (printMissingExample(opts)) {
     return { exitWithError: true };
@@ -128,6 +125,9 @@ export async function scanUsage(
     }
   }
 
+  // Recalculate stats after filtering
+  calculateStats(scanResult);
+
   // JSON output
   if (opts.json) {
     const jsonOutput = createJsonOutput(
@@ -237,10 +237,25 @@ function calculateStats(scanResult: ScanResult): ScanResult {
     scanResult.used.map((u: EnvUsage) => u.variable),
   ).size;
 
+  const warningsCount =
+    (scanResult.frameworkWarnings?.length ?? 0) +
+    (scanResult.exampleWarnings?.length ?? 0) +
+    (scanResult.t3EnvWarnings?.length ?? 0) +
+    (scanResult.logged?.length ?? 0) +
+    (scanResult.uppercaseWarnings?.length ?? 0) +
+    (scanResult.expireWarnings?.length ?? 0) +
+    (scanResult.inconsistentNamingWarnings?.length ?? 0) +
+    (scanResult.secrets?.length ?? 0) +
+    (scanResult.missing.length ?? 0) +
+    (scanResult.unused.length ?? 0) +
+    (scanResult.duplicates?.env?.length ?? 0) +
+    (scanResult.duplicates?.example?.length ?? 0);
+
   scanResult.stats = {
     filesScanned: scanResult.stats.filesScanned,
     totalUsages: scanResult.used.length,
     uniqueVariables,
+    warningsCount: warningsCount,
     duration: scanResult.stats.duration,
   };
 

src/config/types.ts

@@ -149,6 +149,7 @@ export interface ScanResult {
     filesScanned: number;
     totalUsages: number;
     uniqueVariables: number;
+    warningsCount: number;
     duration: number;
   };
   secrets: SecretFinding[];
@@ -188,6 +189,7 @@ export interface ScanJsonEntry {
     filesScanned: number;
     totalUsages: number;
     uniqueVariables: number;
+    warningsCount: number;
     duration: number;
   };
   missing: Array<{

src/services/codeBaseScanner.ts

@@ -70,6 +70,7 @@ export async function scanCodebase(opts: ScanOptions): Promise<ScanResult> {
       filesScanned,
       totalUsages: filteredUsages.length,
       uniqueVariables: uniqueVariables.length,
+      warningsCount: 0,
       duration: 0,
     },
     duplicates: {

src/ui/scan/printStats.ts

@@ -4,6 +4,7 @@ interface ScanStats {
   filesScanned: number;
   totalUsages: number;
   uniqueVariables: number;
+  warningsCount: number;
   duration: number;
 }
 
@@ -25,6 +26,9 @@ export function printStats(
   console.log(
     chalk.magenta.dim(`   Unique variables: ${stats.uniqueVariables}`),
   );
+  console.log(
+    chalk.magenta.dim(`   Warnings: ${stats.warningsCount}`),
+  );
   console.log(
     chalk.magenta.dim(`   Scan duration: ${stats.duration.toFixed(2)}s`),
   );

test/e2e/cli.warningsCount.e2e.test.ts

@@ -0,0 +1,68 @@
+import { describe, it, expect, beforeAll, afterAll, afterEach } from 'vitest';
+import fs from 'fs';
+import path from 'path';
+import { makeTmpDir, rmrf } from '../utils/fs-helpers.js';
+import { buildOnce, runCli, cleanupBuild } from '../utils/cli-helpers.js';
+
+const tmpDirs: string[] = [];
+
+beforeAll(() => {
+  buildOnce();
+});
+
+afterAll(() => {
+  cleanupBuild();
+});
+
+afterEach(() => {
+  while (tmpDirs.length) {
+    const dir = tmpDirs.pop();
+    if (dir) rmrf(dir);
+  }
+});
+
+function tmpDir() {
+  const dir = makeTmpDir();
+  tmpDirs.push(dir);
+  return dir;
+}
+
+describe('cli warnings count', () => {
+  it('should show correct warnings count in scan statistics', () => {
+    const cwd = tmpDir();
+
+    // Code using two env vars
+    fs.writeFileSync(
+      path.join(cwd, 'index.js'),
+      `
+const apiKey = process.env.API_KEY;
+const apiUrl = process.env.API_URL;
+`,
+    );
+
+    // .env.example contains:
+    // - lowercase key (uppercase warning)
+    // - unused key (unused warning)
+    fs.writeFileSync(
+      path.join(cwd, '.env.example'),
+      `
+api_key=test
+UNUSED_KEY=value
+`,
+    );
+
+    const res = runCli(cwd, ['--scan-usage']);
+
+    /**
+     * Expected warnings:
+     * - 2x missing (API_KEY, API_URL)
+     * - 1x uppercase warning (api_key)
+     * - 1x unused warning (UNUSED_KEY)
+     *
+     * Total: 4
+     */
+    expect(res.status).toBe(1);
+    expect(res.stdout).toContain('📊 Scan Statistics:');
+    expect(res.stdout).toContain('Warnings: 5');
+  });
+});