changelog generator

Author: shakyShane

CHANGELOG.md

@@ -1,3 +1,5 @@
+#### 2.23.1 (2018-01-01)
+
 <a name="2.8.2"></a>
 ## 2.8.2 (2015-07-31)
 

changelog.js

@@ -0,0 +1,54 @@
+const {execSync} = require('child_process');
+let [start, end] = process.argv.slice(2);
+if (!start || !end)  {
+    console.error('Must provide start and end tags');
+    console.error('  eg: v1.0 HEAD');
+    console.error('  eg: v1.0 v2.0');
+    process.exit(1);
+}
+const separator = `===END===`;
+const res = execSync(`git log -E --format=%H%n%s%b===END=== ${start}..${end}`);
+const sep = res.toString().split(separator);
+const output = sep
+    .map((item, i) => {
+        const [hash, ...body] = getParts(item, i);
+        const bodyJoined = body.join('\n');
+        return [hash, bodyJoined];
+    })
+    .filter(([, body]) => /^[\w]+: [^ ]/.test(body))
+    .map(([hash, bodyJoined]) => {
+        const [section, body] = bodyJoined.split(/: /);
+        return [hash, section, body];
+    })
+    .reduce((acc, item) => {
+        const [, section] = item;
+        if (!acc[section]) {
+            acc[section] = [item];
+        } else {
+            acc[section].push(item);
+        }
+        return acc;
+    }, {});
+
+if (process.argv.indexOf('--json') > -1) {
+    console.log(JSON.stringify(output, null, 2));
+} else {
+    Object.keys(output)
+        .map(x => [x, output[x]])
+        .forEach(([section, items]) => {
+            const header = `**${section}**`;
+            console.log(header);
+            items.forEach(([hash, section, body]) => {
+                console.log(`- ${body} ${hash}`)
+            });
+            console.log('')
+        });
+}
+
+
+
+function getParts(item, index) {
+    const segs = item.split('\n');
+    if (index === 0) return segs;
+    return segs.slice(1);
+}

package.json

@@ -74,6 +74,7 @@
     "chalk": "1.1.3",
     "compression": "1.6.2",
     "crossbow": "latest",
+    "generate-changelog": "^1.7.0",
     "graceful-fs": "4.1.9",
     "gulp": "3.9.1",
     "gulp-contribs": "0.0.3",

yarn.lock

@@ -304,6 +304,10 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
+bluebird@^3.0.6:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+
 boom@2.x.x:
   version "2.10.1"
   resolved "https://registry.yarnpkg.com/boom/-/boom-2.10.1.tgz#39c8918ceff5799f83f9492a848f625add0c766f"
@@ -1447,6 +1451,14 @@ gaze@^0.5.1:
   dependencies:
     globule "~0.1.0"
 
+generate-changelog@^1.7.0:
+  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"
+
 generate-function@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
@@ -1515,6 +1527,10 @@ gitconfiglocal@^1.0.0:
   dependencies:
     ini "^1.3.2"
 
+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-base@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"