fix: node.lang is not defined, skip it

Author: azu

package.json

@@ -34,7 +34,6 @@
   "devDependencies": {
     "@types/eslint": "^8.4.10",
     "@types/node": "^18.11.18",
-    "@types/structured-source": "^3.0.0",
     "eslint": "8.31.0",
     "textlint-plugin-asciidoctor": "^1.1.0",
     "textlint-scripts": "^13.0.1",
@@ -46,7 +45,7 @@
     "eslint": "^8.0.0"
   },
   "dependencies": {
-    "@textlint/types": "^12.6.0",
+    "@textlint/types": "^13.0.5",
     "structured-source": "^4.0.0"
   }
 }

src/textlint-rule-eslint.ts

@@ -27,7 +27,7 @@ export type Options = {
     langs: string[]
 }
 const reporter: TextlintRuleModule<Options> = (context, options) => {
-    const { Syntax, RuleError, report, fixer, getSource, getFilePath} = context;
+    const { Syntax, RuleError, report, fixer, getSource, getFilePath } = context;
     if (!options) {
         throw new Error(`Require options: { "configFile": "path/to/.eslintrc" }`);
     }
@@ -43,6 +43,9 @@ const reporter: TextlintRuleModule<Options> = (context, options) => {
     });
     return {
         async [Syntax.CodeBlock](node) {
+            if (!node.lang) {
+                return;
+            }
             if (availableLang.indexOf(node.lang) === -1) {
                 return;
             }

test/textlint-rule-eslint-test.ts

@@ -24,6 +24,14 @@ tester.run("textlint-rule-eslint", rule, {
                 configFile: configFilePath
             }
         },
+        {
+            text: "```\n\n" +
+                "++++++" +
+                "```",
+            options: {
+                configFile: configFilePath
+            }
+        },
         {
             text: "```js\n\n" +
                 "var a = 1;\n\n" +

yarn.lock

@@ -1459,16 +1459,16 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
-"@textlint/ast-node-types@^12.6.1":
-  version "12.6.1"
-  resolved "https://registry.yarnpkg.com/@textlint/ast-node-types/-/ast-node-types-12.6.1.tgz#35ecefe74e701d7f632c083d4fda89cab1b89012"
-  integrity sha512-uzlJ+ZsCAyJm+lBi7j0UeBbj+Oy6w/VWoGJ3iHRHE5eZ8Z4iK66mq+PG/spupmbllLtz77OJbY89BYqgFyjXmA==
-
 "@textlint/ast-node-types@^13.0.1":
   version "13.0.1"
   resolved "https://registry.yarnpkg.com/@textlint/ast-node-types/-/ast-node-types-13.0.1.tgz#9f82450bb80499140b7cf1a2cfbaeab8ad1c1755"
   integrity sha512-XK0dWw98gLlUDjciuqebpBez6tAAxlzwqlrcj30PMJ7LYlXee2PyFBVIW3q3R4M6JY0OpqI7DC+YZ0KD3Gaxew==
 
+"@textlint/ast-node-types@^13.0.5":
+  version "13.0.5"
+  resolved "https://registry.yarnpkg.com/@textlint/ast-node-types/-/ast-node-types-13.0.5.tgz#fcea5a5ad29478e84b3de6286fea0b32278b685b"
+  integrity sha512-BiH5QOKDs52WR2Q26POwm5RaNs7hnU6TCrkoo4uECZQjjDQoaQWsp242KDQnvbiGnkj/a2xl+XPMuFCyn0XqjA==
+
 "@textlint/ast-tester@^13.0.1":
   version "13.0.1"
   resolved "https://registry.yarnpkg.com/@textlint/ast-tester/-/ast-tester-13.0.1.tgz#310e18cfc13bc84108b13ad810572e231087fde7"
@@ -1549,20 +1549,20 @@
   dependencies:
     "@textlint/text-to-ast" "^13.0.1"
 
-"@textlint/types@^12.6.0":
-  version "12.6.1"
-  resolved "https://registry.yarnpkg.com/@textlint/types/-/types-12.6.1.tgz#d00c5d625287a113c2807587c2c0cdc1c7f182d8"
-  integrity sha512-t1SZYahu2olnF8MUhlP6qDIEDyl7WmyIaBYxQdE2qU6xUkZWXS2zIxoAT/pVgvFCzDw3KO5HhIYGVeWRp90dTg==
-  dependencies:
-    "@textlint/ast-node-types" "^12.6.1"
-
 "@textlint/types@^13.0.1":
   version "13.0.1"
   resolved "https://registry.yarnpkg.com/@textlint/types/-/types-13.0.1.tgz#ae286b9a0b714f5944a4522c57ebf60bc88b97bb"
   integrity sha512-sO2B4B8ZTyMuYeOk92zmq+rF5Sh1p1+wredQyvAnTHrM2Wa1Khfl1iP1yN1dVDTE/AMIOP4UuC/Bc1Kyb7l6/w==
   dependencies:
     "@textlint/ast-node-types" "^13.0.1"
 
+"@textlint/types@^13.0.5":
+  version "13.0.5"
+  resolved "https://registry.yarnpkg.com/@textlint/types/-/types-13.0.5.tgz#c26037c7a38f600427d4f7f3e72f0b526e3c491c"
+  integrity sha512-H4BzC1wPiN2kJc6WUre6ggIeVKy6vKMAWQYkR0VmMtk1Lu5kysvwRifNuqecVIHpJIBwtVhkhrBlH1fz50SlXg==
+  dependencies:
+    "@textlint/ast-node-types" "^13.0.5"
+
 "@textlint/utils@^13.0.1":
   version "13.0.1"
   resolved "https://registry.yarnpkg.com/@textlint/utils/-/utils-13.0.1.tgz#d0619f7fd95edd9f3d309f3a637a20e4e8093082"
@@ -1628,11 +1628,6 @@
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.1.tgz#d3357479a0fdfdd5907fe67e17e0a85c906e1301"
   integrity sha512-Gj7cI7z+98M282Tqmp2K5EIsoouUEzbBJhQQzDE3jSIRk6r9gsz0oUokqIUR4u1R3dMHo0pDHM7sNOHyhulypw==
 
-"@types/structured-source@^3.0.0":
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/@types/structured-source/-/structured-source-3.0.0.tgz#e95d76037d400c1957f3b709f023b308e92f3829"
-  integrity sha512-8u+Wo5+GEXe4jZyQ8TplLp+1A7g32ZcVoE7VZu8VcxnlaEm5I/+T579R7q3qKN76jmK0lRshpo4hl4bj/kEPKA==
-
 "@types/unist@*", "@types/unist@^2.0.0", "@types/unist@^2.0.2":
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/@types/unist/-/unist-2.0.3.tgz#9c088679876f374eb5983f150d4787aa6fb32d7e"