[meta] add auto-changelog

.npmrc

@@ -1,2 +1,4 @@
 package-lock=false
 audit-level=high
+allow-same-version=true
+message=v%s

CHANGELOG.md

@@ -1,16 +1,40 @@
-1.0.3 / 2015-01-29
-=================
-  * If @@toStringTag is not present, use the old-school Object#toString test.
-
-1.0.2 / 2015-01-29
-=================
-  * Fix package.json
-  * Improve optimizability of the non-try/catch part.
-
-1.0.1 / 2015-01-29
-=================
-  * Add early exits for typeof number, or typeof not "object".
-
-1.0.0 / 2015-01-28
-=================
-  * 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).
+
+## [v1.0.3](https://github.com/inspect-js/is-number-object/compare/v1.0.2...v1.0.3) - 2015-01-30
+
+### Commits
+
+- If @@toStringTag is not present, use the old-school Object#toString test. [`9b2a4df`](https://github.com/inspect-js/is-number-object/commit/9b2a4df6ccf903e89198d4244eeb7f47a7056327)
+
+## [v1.0.2](https://github.com/inspect-js/is-number-object/compare/v1.0.1...v1.0.2) - 2015-01-29
+
+### Commits
+
+- Improve optimizability of the non-try/catch part. [`7e6be2f`](https://github.com/inspect-js/is-number-object/commit/7e6be2fd2346557fc81bd544ac8745021c50e266)
+- Fix package.json [`4f2ebea`](https://github.com/inspect-js/is-number-object/commit/4f2ebeae09c45e1eefeb2c10a011ff2ef0aca921)
+
+## [v1.0.1](https://github.com/inspect-js/is-number-object/compare/v1.0.0...v1.0.1) - 2015-01-29
+
+### Commits
+
+- Use Object() instead of new Number() [`1aaa746`](https://github.com/inspect-js/is-number-object/commit/1aaa746c26878a0f698aabea4d88215311f2a38d)
+- Add early exits for typeof number, or typeof not "object". [`eae4337`](https://github.com/inspect-js/is-number-object/commit/eae43375d3f88e04bb10eabd954e5a6b66ad5305)
+
+## v1.0.0 - 2015-01-28
+
+### Commits
+
+- Dotfiles. [`9c74e3e`](https://github.com/inspect-js/is-number-object/commit/9c74e3eb2b10398d4022de7c4015531e874f06c8)
+- `make release` [`a99e5ae`](https://github.com/inspect-js/is-number-object/commit/a99e5aeb3995a7d543fc5833722bc02011fabad6)
+- package.json [`4fed9ef`](https://github.com/inspect-js/is-number-object/commit/4fed9ef7c35ccfc45ca8acd3c92c9cb91c7daa6d)
+- Read me [`c91d6ba`](https://github.com/inspect-js/is-number-object/commit/c91d6ba00de79eaaac5fec7c9d8866d61d0abb62)
+- Initial commit [`629fb96`](https://github.com/inspect-js/is-number-object/commit/629fb969f076e0802c799b368c7b02556bb0750e)
+- Tests. [`a39de62`](https://github.com/inspect-js/is-number-object/commit/a39de624785cc204ed7c0ea5518f1c878870ceb1)
+- Implementation. [`aedd91e`](https://github.com/inspect-js/is-number-object/commit/aedd91e6fc23f00852ad1266b6c19f32b7f93a22)

package.json

@@ -12,7 +12,9 @@
 		"posttest": "npx aud",
 		"coverage": "covert test/index.js",
 		"lint": "eslint .",
-		"eccheck": "eclint check *.js **/*.js > /dev/null"
+		"eccheck": "eclint check *.js **/*.js > /dev/null",
+		"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",
@@ -28,6 +30,7 @@
 	"dependencies": {},
 	"devDependencies": {
 		"@ljharb/eslint-config": "^14.1.0",
+		"auto-changelog": "^1.16.2",
 		"covert": "^1.1.1",
 		"eclint": "^2.8.1",
 		"eslint": "^6.4.0",
@@ -59,5 +62,12 @@
 	},
 	"engines": {
 		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false
 	}
 }