feat(coverage): add coverage using txtlint for text

https://github.com/azu/textlint-formatter-codecov + https://codecov.io/

Author: azu

.travis.yml

@@ -1,6 +1,8 @@
 sudo: false
 language: node_js
 node_js: "stable"
+after_success:
+  - npm run travis:coverage
 cache:
   directories:
     - node_modules

coverage.textlintrc

@@ -0,0 +1,30 @@
+{
+  "rules": {
+    "max-ten": {
+      "max": 3
+    },
+    "no-double-negative-ja": true,
+    "no-doubled-joshi": {
+      "min_interval": 1,
+      "strict": true
+    },
+    "sentence-length": {
+      "max": 100
+    },
+    "no-start-duplicated-conjunction": {
+      "interval": 3
+    },
+    "spellcheck-tech-word": true,
+    "no-mix-dearu-desumasu": true,
+    "prh": {
+      "rulePaths": [
+        "test/prh.yml"
+      ]
+    },
+    "preset-jtf-style": {
+      "2.1.2.漢字": true,
+      "4.2.2.疑問符(？)": false,
+      "4.3.1.丸かっこ（）": false
+    }
+  }
+}

package.json

@@ -26,7 +26,8 @@
     "textlint": "summary-to-path | xargs textlint -f pretty-error",
     "test:example": "find ./src -name '*-example.js' | xargs babel-node",
     "test:js": "mocha",
-    "test": "npm-run-all --parallel test:js test:example textlint eslint:md eslint build"
+    "test": "npm-run-all --parallel test:js test:example textlint eslint:md eslint build",
+    "travis:coverage": "summary-to-path | xargs textlint -c coverage.textlintrc -f codecov | codecov"
   },
   "keywords": [
     "ebook",
@@ -36,6 +37,7 @@
   "devDependencies": {
     "babel-cli": "^6.3.13",
     "babel-preset-es2015": "^6.3.13",
+    "codecov.io": "^0.1.6",
     "connect": "^3.4.0",
     "eslint": "^1.3.0",
     "eslint-plugin-markdown": "git://github.com/eslint/eslint-plugin-markdown.git",
@@ -56,7 +58,8 @@
     "npm-run-all": "^1.2.8",
     "power-assert": "^1.0.0",
     "stemming-x-keywords": "^1.0.3",
-    "textlint": "^5.0.0-beta.0",
+    "textlint": "^5.2.0",
+    "textlint-formatter-codecov": "^1.0.2",
     "textlint-rule-max-ten": "^2.0.0",
     "textlint-rule-no-double-negative-ja": "^1.0.2",
     "textlint-rule-no-doubled-joshi": "^2.0.0",