feat(cli): display warning log message when it can not parse config (#893)

fix #662

Author: is2ei

dist/cli/htmlhint.js

@@ -407,7 +407,8 @@ function getConfig(
         configPath: configPath,
       })
     } catch (e) {
-      // ignore
+      console.log('   Config could not be parsed: %s', chalk.yellow(configPath))
+      console.log('')
     }
 
     return ruleset

src/cli/htmlhint.ts

@@ -0,0 +1,3 @@
+{
+    "attr-lowercase": false,
+}

test/conf/invalid-json.conf

@@ -0,0 +1,3 @@
+{
+    "attr-lowercase": false
+}

test/conf/valid-json.conf

@@ -35,3 +35,37 @@ describe('Executable', () => {
     })
   })
 })
+
+describe('Config', () => {
+  it('should not display warning log message when it can parse config file', (done) => {
+    ChildProcess.exec(
+      [
+        'node',
+        path.resolve(__dirname, '../bin/htmlhint'),
+        path.resolve(__dirname, './html/executable.html'),
+        '--config',
+        path.resolve(__dirname, './conf/valid-json.conf'),
+      ].join(' '),
+      (error, stdout) => {
+        expect(stdout).toContain('Config loaded:')
+        done()
+      }
+    )
+  })
+
+  it('should display warning log message when it can not parse config file', (done) => {
+    ChildProcess.exec(
+      [
+        'node',
+        path.resolve(__dirname, '../bin/htmlhint'),
+        path.resolve(__dirname, './html/executable.html'),
+        '--config',
+        path.resolve(__dirname, './conf/invalid-json.conf'),
+      ].join(' '),
+      (error, stdout) => {
+        expect(stdout).toContain('Config could not be parsed:')
+        done()
+      }
+    )
+  })
+})