Fix: vue/html-indent ignores <pre> (fixes #365)

Author: mysticatea

lib/utils/indent-common.js

@@ -798,10 +798,12 @@ module.exports.defineVisitor = function create (context, tokenStore, defaultOpti
 
     VElement (node) {
       const startTagToken = tokenStore.getFirstToken(node)
-      const childTokens = node.children.map(n => tokenStore.getFirstToken(n))
       const endTagToken = node.endTag && tokenStore.getFirstToken(node.endTag)
 
-      setOffset(childTokens, 1, startTagToken)
+      if (node.name !== 'pre') {
+        const childTokens = node.children.map(n => tokenStore.getFirstToken(n))
+        setOffset(childTokens, 1, startTagToken)
+      }
       setOffset(endTagToken, 0, startTagToken)
     },
 

tests/lib/rules/html-indent.js

@@ -230,6 +230,19 @@ tester.run('html-indent', rule, loadPatterns(
         // Ignore all :D
         ignores: ['*']
       }]
+    },
+
+    // Pre
+    {
+      code: unIndent`
+        <template>
+          <pre>
+        aaa
+          bbb
+            ccc
+          </pre>
+        </template>
+      `
     }
   ],
 
@@ -480,6 +493,38 @@ tester.run('html-indent', rule, loadPatterns(
         { message: 'Expected indentation of 12 spaces but found 8 spaces.', line: 4 },
         { message: 'Expected indentation of 12 spaces but found 8 spaces.', line: 6 }
       ]
+    },
+
+    // Pre
+    {
+      code: unIndent`
+        <template>
+        <pre
+        style=""
+        >
+        aaa
+          bbb
+            ccc
+        </pre>
+        </template>
+      `,
+      output: unIndent`
+        <template>
+          <pre
+            style=""
+          >
+        aaa
+          bbb
+            ccc
+          </pre>
+        </template>
+      `,
+      errors: [
+        { message: 'Expected indentation of 2 spaces but found 0 spaces.', line: 2 },
+        { message: 'Expected indentation of 4 spaces but found 0 spaces.', line: 3 },
+        { message: 'Expected indentation of 2 spaces but found 0 spaces.', line: 4 },
+        { message: 'Expected indentation of 2 spaces but found 0 spaces.', line: 8 }
+      ]
     }
   ]
 ))