[meta] add auto-changelog

.npmrc

@@ -0,0 +1,2 @@
+allow-same-version=true
+message=v%s

CHANGELOG.md

@@ -1,12 +1,38 @@
-2.0.1 / 2015-05-23
-=================
-  * Update dev deps: `eslint`, `jscs`, `es6-shim`, `covert`, `semver`
-
-2.0.0 / 2015-04-26
-=================
-  * Simplify implementation to match new spec, per https://github.com/DavidBruant/Map-Set.prototype.toJSON/pull/5
-  * Update `es6-shim`
-
-1.0.0 / 2015-04-22
-=================
-  * Initial release.
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
+
+## [v2.0.1](https://github.com/ljharb/map-tojson/compare/v2.0.0...v2.0.1) - 2015-05-23
+
+### Commits
+
+- Update `eslint`, `jscs`, `es6-shim`, `covert`, `semver` [`fb4b740`](https://github.com/ljharb/map-tojson/commit/fb4b740424c513452a68e0e03b1b84aa4752f724)
+- Update `eslint` [`d2564d7`](https://github.com/ljharb/map-tojson/commit/d2564d7018ae60f32f332d143de98449d6350bcb)
+- Test up to `io.js` `v2.0` [`e4d48be`](https://github.com/ljharb/map-tojson/commit/e4d48be4e6a760fa68337d04f90cf1a8d3dddb2c)
+
+## [v2.0.0](https://github.com/ljharb/map-tojson/compare/v1.0.0...v2.0.0) - 2015-04-26
+
+### Commits
+
+- Simplify implementation to match new spec. [`0df704d`](https://github.com/ljharb/map-tojson/commit/0df704d4f8043fe29a437559683fa86f7b394679)
+- Update `eslint` [`e59fbf7`](https://github.com/ljharb/map-tojson/commit/e59fbf7d3597734e3f0d276b7b8a90cdde540ef2)
+- Update `es6-shim` [`a9b0946`](https://github.com/ljharb/map-tojson/commit/a9b094650461b9de35ac3a51814abc2a96d70826)
+
+## v1.0.0 - 2015-04-22
+
+### Commits
+
+- Dotfiles [`ebef496`](https://github.com/ljharb/map-tojson/commit/ebef496d45439aa75bcffc2319d2836ce2e8de25)
+- Tests. [`04b65cb`](https://github.com/ljharb/map-tojson/commit/04b65cb16649580cb379192569a74ae929b5a35a)
+- Implementation. [`8858167`](https://github.com/ljharb/map-tojson/commit/8858167d227e6d17470b1a72c8da2a790f0aa418)
+- package.json [`e8def12`](https://github.com/ljharb/map-tojson/commit/e8def12065b6e9b6ccf3963eaf5a1fdd69683119)
+- Makefile [`b4a2359`](https://github.com/ljharb/map-tojson/commit/b4a23597095e71eca23b990fa744db97062438df)
+- Read me [`d747f92`](https://github.com/ljharb/map-tojson/commit/d747f92b691a77d6eee666e7badf60aaedf693c2)
+- Initial commit [`6eec488`](https://github.com/ljharb/map-tojson/commit/6eec48883c93c043f1776092485ce105583ddb88)
+- Properly handle `Map#toJSON.call(new Set)` [`072b3ab`](https://github.com/ljharb/map-tojson/commit/072b3abf4e7585b68ebbddda369cebc94eb9b67d)
+- `--harmony` is unstable and should never be used. [`ef0ca39`](https://github.com/ljharb/map-tojson/commit/ef0ca39028c06d849d59aa617fd55bcf74fa461f)

package.json

@@ -20,7 +20,9 @@
 		"jscs": "jscs test/*.js *.js",
 		"eslint": "eslint test/*.js *.js",
 		"eccheck": "editorconfig-tools check *.js **/*.js > /dev/null",
-		"security": "nsp package"
+		"security": "nsp package",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
 	},
 	"repository": {
 		"type": "git",
@@ -41,17 +43,18 @@
 		"es-abstract": "^1.3.2"
 	},
 	"devDependencies": {
-		"tape": "^4.2.1",
+		"@ljharb/eslint-config": "^1.3.0",
+		"auto-changelog": "^1.16.2",
+		"covert": "^1.1.0",
+		"editorconfig-tools": "^0.1.1",
 		"es6-shim": "^0.33.6",
+		"eslint": "^1.6.0",
 		"function-bind": "^1.0.2",
-		"covert": "^1.1.0",
 		"jscs": "^2.2.1",
-		"editorconfig-tools": "^0.1.1",
 		"nsp": "^1.1.0",
-		"eslint": "^1.6.0",
-		"@ljharb/eslint-config": "^1.3.0",
+		"replace": "^0.3.0",
 		"semver": "^5.0.3",
-		"replace": "^0.3.0"
+		"tape": "^4.2.1"
 	},
 	"testling": {
 		"files": "test.js",
@@ -73,5 +76,12 @@
 	},
 	"engines": {
 		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false
 	}
 }