fix(rule): support Html node correctly

Ignore attributes of Html node on counting.

fix #13
Ref https://github.com/textlint/textlint-util-to-string/releases/tag/3.0.0

Author: azu

package.json

@@ -32,18 +32,15 @@
     "prettier": "prettier --write **/*.js"
   },
   "dependencies": {
-    "sentence-splitter": "^3.0.10",
-    "textlint-rule-helper": "^2.0.0",
-    "textlint-util-to-string": "^2.1.1"
+    "sentence-splitter": "^3.0.11",
+    "textlint-rule-helper": "^2.1.1",
+    "textlint-util-to-string": "^3.0.0"
   },
   "devDependencies": {
-    "babel-plugin-add-module-exports": "^0.2.1",
-    "espower-babel": "^4.0.0",
-    "lint-staged": "^7.2.0",
-    "power-assert": "^1.6.0",
-    "prettier": "^1.13.7",
-    "textlint-plugin-html": "^0.1.7",
-    "textlint-scripts": "^1.4.2"
+    "lint-staged": "^9.2.5",
+    "prettier": "^1.18.2",
+    "textlint-plugin-html": "^0.2.0",
+    "textlint-scripts": "^2.1.0"
   },
   "email": "[email protected]",
   "lint-staged": {
@@ -57,4 +54,4 @@
     "printWidth": 120,
     "tabWidth": 4
   }
-}
+}

src/sentence-length.js

@@ -1,7 +1,7 @@
 // LICENSE : MIT
 "use strict";
 import { splitAST, Syntax as SentenceSyntax } from "sentence-splitter";
-import StringSource from "textlint-util-to-string";
+import { StringSource } from "textlint-util-to-string";
 import { RuleHelper } from "textlint-rule-helper";
 
 const defaultOptions = {

test/mocha.opts

@@ -0,0 +1 @@
+--require textlint-scripts/register

test/sentence-length-test.js

@@ -40,6 +40,14 @@ tester.run("textlint-rule-sentence-length", rule, {
                 max: 5
             }
         },
+        {
+            // html node
+            // == 12345
+            text: '<s>123</s><b>45</b>',
+            options: {
+                max: 5
+            }
+        },
         {
             // List
             text: '- [abc](http://example.com "abc")de',
@@ -73,6 +81,13 @@ tester.run("textlint-rule-sentence-length", rule, {
             options: {
                 max: 90
             }
+        },
+        // regression test
+        // https://github.com/textlint-rule/textlint-rule-sentence-length/issues/13
+        {
+            text: "ではみなさんは、そういうふうに川だと云いわれたり、乳の流れたあとだと云われたりしていたこのぼんやりと白いものがほんとうは何かご承知ですか。\n" +
+                "\n" +
+                "ではみなさんは、そういうふうに川だと云いわれたり、乳の流れたあとだと云われたりしていたこの<a href=\"https://www.aozora.gr.jp/cards/000081/files/456_15050.html\" target=\"_blank\" rel=\"noopener noreferrer\">ぼんやりと白いもの</a>がほんとうは何かご承知ですか。\n"
         }
     ],
     invalid: [