feat(changelog): add changelog script

changelog.js

@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+
+const git = require('simple-git');
+const changelog = require('generate-changelog');
+const fs = require('fs');
+const idx = require('idx');
+const argv = require('minimist')(process.argv.slice(1));
+
+git().tags((err, tags) => {
+  const currentChangelog = fs.readFileSync('./CHANGELOG.md');
+  const matched = tags.latest.match(/v\d+.\d+.\d+-(\d+)/);
+  const build = (idx(matched, _ => Number(_[1])) || 0) + 1;
+
+  changelog
+    .generate({
+      major: argv.major,
+      minor: argv.minor,
+      patch: argv.patch,
+    })
+    .then(function(changelog) {
+      const rxVersion = /\d+\.\d+\.\d+/;
+      const newVersion = argv.version || idx(changelog.match(rxVersion), _ => _[0]) + `-${build}`;
+
+      changelog = changelog.replace(rxVersion, newVersion) + currentChangelog;
+      fs.writeFileSync('./CHANGELOG.md', changelog);
+
+      const addFile = c => git().add('CHANGELOG.md', c);
+      const commit = c => git().commit(`build(change-log): v${newVersion}`, c);
+      const addTag = c => git().addAnnotatedTag(`v${newVersion}`, `build(tag): v${newVersion}`, c);
+
+      addFile(() => commit(() => addTag()));
+    });
+});

package.json

@@ -23,7 +23,11 @@
     "husky": "^0.14.3",
     "lint-staged": "^5.0.0",
     "pre-commit": "^1.2.2",
-    "prettier": "^1.9.2"
+    "prettier": "^1.9.2",
+    "generate-changelog": "1.7.0",
+    "simple-git": "1.89.0",
+    "idx": "2.2.0",
+    "minimist": "1.2.0"
   },
   "homepage": "https://github.com/react-native-community/react-native-camera",
   "keywords": [

yarn.lock

@@ -312,6 +312,10 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
+bluebird@^3.0.6:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+
 brace-expansion@^1.1.7:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
@@ -856,6 +860,14 @@ functional-red-black-tree@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
 
+[email protected]:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/generate-changelog/-/generate-changelog-1.7.0.tgz#e6321226207d5cbcfe24de39d7ffd65d51698596"
+  dependencies:
+    bluebird "^3.0.6"
+    commander "^2.9.0"
+    github-url-from-git "^1.4.0"
+
 get-own-enumerable-property-symbols@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-2.0.1.tgz#5c4ad87f2834c4b9b4e84549dc1e0650fb38c24b"
@@ -882,6 +894,10 @@ git-raw-commits@^1.3.0:
     split2 "^2.0.0"
     through2 "^2.0.0"
 
+github-url-from-git@^1.4.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/github-url-from-git/-/github-url-from-git-1.5.0.tgz#f985fedcc0a9aa579dc88d7aff068d55cc6251a0"
+
 glob@^7.0.3, glob@^7.0.5, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -954,6 +970,10 @@ iconv-lite@^0.4.17, iconv-lite@~0.4.13:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
+[email protected]:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/idx/-/idx-2.2.0.tgz#8544749f9faba6409822b5d9488ba5bc77b8fbfe"
+
 ignore@^3.3.3:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
@@ -1439,7 +1459,7 @@ [email protected]:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.3:
+minimist@1.2.0, minimist@^1.1.3:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -1897,6 +1917,12 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
+[email protected]:
+  version "1.89.0"
+  resolved "https://registry.yarnpkg.com/simple-git/-/simple-git-1.89.0.tgz#ef52fe734d5060566ce187b2bbace36c2323e34c"
+  dependencies:
+    debug "^3.1.0"
+
 [email protected]:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"