Update: --quiet should not supress --max-warnings (fixes #14202)

lib/cli.js

@@ -301,12 +301,16 @@ const cli = {
             await ESLint.outputFixes(results);
         }
 
+        let resultsToPrint = results;
+
         if (options.quiet) {
             debug("Quiet mode enabled - filtering out warnings");
-            results = ESLint.getErrorResults(results);
+            resultsToPrint = ESLint.getErrorResults(resultsToPrint);
         }
 
-        if (await printResults(engine, results, options.format, options.outputFile)) {
+        if (await printResults(engine, resultsToPrint, options.format, options.outputFile)) {
+
+            // Errors and warnings from the original unfiltered results should determine the exit code
             const { errorCount, warningCount } = countErrors(results);
             const tooManyWarnings =
                 options.maxWarnings >= 0 && warningCount > options.maxWarnings;

tests/lib/cli.js

@@ -778,6 +778,16 @@ describe("cli", () => {
             assert.include(log.error.getCall(0).args[0], "ESLint found too many warnings");
         });
 
+        it("should exit with exit code 1 without printing warnings if the quiet option is enabled and warning count exceeds threshold", async () => {
+            const filePath = getFixturePath("max-warnings");
+            const exitCode = await cli.execute(`--no-ignore --quiet --max-warnings 5 ${filePath}`);
+
+            assert.strictEqual(exitCode, 1);
+            assert.ok(log.error.calledOnce);
+            assert.include(log.error.getCall(0).args[0], "ESLint found too many warnings");
+            assert.ok(log.info.notCalled); // didn't print warnings
+        });
+
         it("should not change exit code if warning count equals threshold", async () => {
             const filePath = getFixturePath("max-warnings");
             const exitCode = await cli.execute(`--no-ignore --max-warnings 6 ${filePath}`);