feat(rule): VOICED SOUND MARK \u309b \u309c support

Author: azu

src/textlint-rule-no-nfd.js

@@ -12,9 +12,11 @@ function reporter(context) {
                 return;
             }
             const text = getSource(node);
-            matchCaptureGroupAll(text, /([\u309a\u3099])/g).forEach(({index}) => {
+            matchCaptureGroupAll(text, /([\u309b\u309c\u309a\u3099])/g).forEach(({index}) => {
+                // \u309b\u309c => \u309a\u3099
                 const dakutenChars = text.slice(index - 1, index + 1);
-                const expectedText = unorm.nfc(dakutenChars);
+                const nfdlized = dakutenChars.replace("\u309B", "\u3099").replace("\u309C", "\u309A")
+                const expectedText = unorm.nfc(nfdlized);
                 const ruleError = new RuleError(`Disallow to use NFD(well-known as Mac濁点): "${dakutenChars}" => "${expectedText}"`, {
                     index,
                     fix: fixer.replaceTextRange([index - 1, index + 1], expectedText)

test/textlint-rule-no-nfd-test.js

@@ -11,7 +11,6 @@ tester.run("no-todo", rule, {
         "エンジン"
     ],
     invalid: [
-        // single match
         {
             text: "ホ\u309aケット",
             output: "ポケット",
@@ -23,6 +22,17 @@ tester.run("no-todo", rule, {
                 }
             ]
         },
+        {
+            text: "ホ゜ケット",
+            output: "ポケット",
+            errors: [
+                {
+                    message: `Disallow to use NFD(well-known as Mac濁点): "ホ\u309c" => "ポ"`,
+                    line: 1,
+                    column: 2
+                }
+            ]
+        },
         {
             text: "エンシ\u3099ン",
             output:"エンジン",
@@ -33,6 +43,18 @@ tester.run("no-todo", rule, {
                     column: 4
                 }
             ]
+        },
+
+        {
+            text: "エンシ゛ン",
+            output:"エンジン",
+            errors: [
+                {
+                    message: `Disallow to use NFD(well-known as Mac濁点): "シ\u309b" => "ジ"`,
+                    line: 1,
+                    column: 4
+                }
+            ]
         }
     ]
 });