Merge branch 'master' into fix-twice-closing

CHANGELOG.md

@@ -6,6 +6,10 @@
 
 - Fix twice element closing by htmlparser2 ([#34](https://github.com/yhatt/markdown-it-incremental-dom/pull/34))
 
+### Added
+
+- Add versioning script ([#35](https://github.com/yhatt/markdown-it-incremental-dom/pull/35))
+
 ## v2.0.0 - 2018-08-17
 
 ### Breaking

package.json

@@ -34,7 +34,8 @@
     "prepack": "npm-run-all --npm-path yarn --parallel lint test:coverage --sequential build",
     "preversion": "npm-run-all --npm-path yarn --parallel format:check lint test:coverage",
     "test": "jest",
-    "test:coverage": "jest --coverage"
+    "test:coverage": "jest --coverage",
+    "version": "node version.js && git add -A CHANGELOG.md"
   },
   "license": "MIT",
   "files": [

version.js

@@ -0,0 +1,14 @@
+const fs = require('fs')
+const path = require('path')
+
+const unreleased = '## [Unreleased]'
+const [date] = new Date().toISOString().split('T')
+const version = `## v${process.env.npm_package_version} - ${date}`
+
+const changelog = path.resolve(__dirname, 'CHANGELOG.md')
+const content = fs.readFileSync(changelog, 'utf8')
+
+fs.writeFileSync(
+  changelog,
+  content.replace(unreleased, `${unreleased}\n\n${version}`)
+)