feat(rule): add space-after-exclamation (#6)

Author: keik

packages/textlint-rule-ja-space-after-exclamation/.babelrc

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+{
+    "presets": ["es2015"]
+}

packages/textlint-rule-ja-space-after-exclamation/README.md

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+# textlint-rule-ja-space-after-exclamation
+
+感嘆符前後のスペースについてのtexlintルール
+
+## Install
+
+Install with [npm](https://www.npmjs.com/):
+
+    npm install textlint-rule-ja-space-after-exclamation
+
+## Usage
+
+Via `.textlintrc`(Recommended)
+
+```json
+{
+    "rules": {
+        "ja-space-after-exclamation": true
+    }
+}
+```
+
+Via CLI
+
+```
+textlint --rule ja-space-after-exclamation README.md
+```
+
+
+## Changelog
+
+See [Releases page](https://github.com/extlint-ja/textlint-rule-spacing/releases).
+
+## Running tests
+
+Install devDependencies and Run `npm test`:
+
+    npm i -d && npm test
+
+## Contributing
+
+Pull requests and stars are always welcome.
+
+For bugs and feature requests, [please create an issue](https://github.com/extlint-ja/textlint-rule-spacing/issues).
+
+1. Fork it!
+2. Create your feature branch: `git checkout -b my-new-feature`
+3. Commit your changes: `git commit -am 'Add some feature'`
+4. Push to the branch: `git push origin my-new-feature`
+5. Submit a pull request :D
+
+## Author
+
+- [github/azu](https://github.com/azu)
+- [twitter/azu_re](https://twitter.com/azu_re)
+
+## License
+
+MIT © azu

packages/textlint-rule-ja-space-after-exclamation/package.json

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+{
+  "name": "textlint-rule-ja-space-after-exclamation",
+  "version": "1.0.0",
+  "description": "感嘆符前後のスペースについてのtexlintルール",
+  "main": "lib/index.js",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/textlint-ja/textlint-rule-spacing.git"
+  },
+  "author": "azu",
+  "email": "azuciao@gmail.com",
+  "homepage": "https://github.com/extlint-ja/textlint-rule-spacing",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/extlint-ja/textlint-rule-spacing/issues"
+  },
+  "scripts": {
+    "build": "NODE_ENV=production babel src --out-dir lib --source-maps",
+    "watch": "babel src --out-dir lib --watch --source-maps",
+    "prepublish": "npm run --if-present build",
+    "test": "mocha"
+  },
+  "keywords": [
+    "textlint"
+  ],
+  "devDependencies": {
+    "babel-cli": "^6.0.0",
+    "babel-preset-es2015": "^6.0.0",
+    "textlint-tester": "^2.0.0",
+    "mocha": "^2.3.3"
+  },
+  "dependencies": {
+    "match-index": "^1.0.1",
+    "textlint-rule-helper": "^2.0.0"
+  }
+}

packages/textlint-rule-ja-space-after-exclamation/src/index.js

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+// LICENSE : MIT
+"use strict";
+/*
+ 感嘆符(!)
+ 文末に感嘆符を使用し、後に別の文が続く場合は、直後に全角スペースを挿入します。
+ 文中に感嘆符を使用する場合はスペースを挿入しません。
+ */
+import {RuleHelper} from "textlint-rule-helper";
+import {matchCaptureGroupAll} from "match-index";
+function reporter(context) {
+    const {Syntax, RuleError, report, fixer, getSource} = context;
+    const helper = new RuleHelper();
+    return {
+        [Syntax.Str](node){
+            if (helper.isChildNode(node, [Syntax.Link, Syntax.Image, Syntax.BlockQuote, Syntax.Emphasis])) {
+                return;
+            }
+            let text = getSource(node);
+            // ！の後ろは全角スペースが推奨
+            // 半角スペースである場合
+            const matchAfter = /！( )[^\n]/;
+            matchCaptureGroupAll(text, matchAfter).forEach(match => {
+                const {index} = match;
+                return report(node, new RuleError("文末に感嘆符を使用し、後に別の文が続く場合は、直後に全角スペースを挿入します。", {
+                    index: index,
+                    fix: fixer.replaceTextRange([index, index + 1], "　")
+                }));
+            });
+        }
+    };
+}
+export default {
+    linter: reporter,
+    fixer: reporter
+};

packages/textlint-rule-ja-space-after-exclamation/test/index-test.js

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+// LICENSE : MIT
+"use strict";
+import TextLintTester from "textlint-tester";
+import rule from "../src/index";
+var tester = new TextLintTester();
+tester.run("感嘆符(!)", rule, {
+    valid: [
+        "【原文】Just plug it in, and coffee is ready in three minutes!",
+        "【訳文】プラグを差し込めば、3 分でコーヒーができます。",
+        "警告！",
+        "驚きの速さ！　これが新製品のキャッチコピーでした。"// 文末感嘆符+全角スペース
+    ],
+    invalid: [
+        {
+            text: "驚きの速さ！ これが新製品のキャッチコピーでした。半角　",
+            output: "驚きの速さ！　これが新製品のキャッチコピーでした。半角　",
+            errors: [
+                {
+                    message: "文末に感嘆符を使用し、後に別の文が続く場合は、直後に全角スペースを挿入します。",
+                    column: 7
+                }
+            ]
+        }
+    ]
+});