fix: void attribute and empty attribute are different (#458)

* fix: void attribute and empty attribute are different

close #450

* fix: void attribute range

Author: JounQin

.changeset/forty-jobs-boil.md

@@ -0,0 +1,5 @@
+---
+"eslint-mdx": patch
+---
+
+fix: void attribute and empty attribute are different

packages/eslint-mdx/src/tokens.ts

@@ -151,7 +151,9 @@ export const restoreTokens = (
 
       const attrValue = attr.value
 
-      if (!attrValue) {
+      // void attribute and empty attribute are different
+      // @see #450
+      if (attrValue == null) {
         lastAttrOffset = attrStart + attrNameLength
         continue
       }

packages/eslint-mdx/src/worker.ts

@@ -450,7 +450,7 @@ runAsWorker(
 
                   if (attrValue == null) {
                     return {
-                      ...normalizeNode(attrStart, lastAttrOffset + 1),
+                      ...normalizeNode(attrStart, lastAttrOffset),
                       type: 'JSXAttribute',
                       name: {
                         ...attrNamePos,

test/__snapshots__/fixtures.test.ts.snap

@@ -430,6 +430,173 @@ exports[`fixtures should match all snapshots: 429.mdx 1`] = `
 ]
 `;
 
+exports[`fixtures should match all snapshots: 450.mdx 1`] = `
+[
+  {
+    "column": 45,
+    "endColumn": 46,
+    "endLine": 1,
+    "fix": {
+      "range": [
+        44,
+        45,
+      ],
+      "text": "",
+    },
+    "line": 1,
+    "message": "Delete \`;\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 15,
+    "fix": {
+      "range": [
+        193,
+        195,
+      ],
+      "text": "",
+    },
+    "line": 15,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 16,
+    "fix": {
+      "range": [
+        216,
+        218,
+      ],
+      "text": "",
+    },
+    "line": 16,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 17,
+    "fix": {
+      "range": [
+        230,
+        232,
+      ],
+      "text": "",
+    },
+    "line": 17,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 18,
+    "fix": {
+      "range": [
+        245,
+        247,
+      ],
+      "text": "",
+    },
+    "line": 18,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 19,
+    "fix": {
+      "range": [
+        263,
+        265,
+      ],
+      "text": "",
+    },
+    "line": 19,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 20,
+    "fix": {
+      "range": [
+        294,
+        296,
+      ],
+      "text": "",
+    },
+    "line": 20,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 21,
+    "fix": {
+      "range": [
+        333,
+        335,
+      ],
+      "text": "",
+    },
+    "line": 21,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+  {
+    "column": 1,
+    "endColumn": 3,
+    "endLine": 22,
+    "fix": {
+      "range": [
+        374,
+        376,
+      ],
+      "text": "",
+    },
+    "line": 22,
+    "message": "Delete \`··\`",
+    "messageId": "delete",
+    "nodeType": null,
+    "ruleId": "prettier/prettier",
+    "severity": 2,
+  },
+]
+`;
+
 exports[`fixtures should match all snapshots: acorn.mdx 1`] = `
 [
   {