Add release notes helper for stable

package.json

@@ -3,7 +3,8 @@
   "private": true,
   "devDependencies": {
     "lerna": "^3.19.0",
-    "release": "6.0.1"
+    "release": "6.0.1",
+    "got": "10.0.4"
   },
   "workspaces": [
     "packages/*"
@@ -15,7 +16,7 @@
     "build": "lerna run build",
     "prepublish": "lerna run prepublish",
     "publish-canary": "lerna version prerelease --preid canary --force-publish && release --pre",
-    "publish-stable": "lerna version --force-publish",
+    "publish-stable": "lerna version --force-publish && node ./scripts/release-notes.js",
     "git-reset": "git reset --hard HEAD",
     "git-clean": "git clean -d -x -e node_modules -e packages -f",
     "now-build": "npm run build-website",

scripts/release-notes.js

@@ -0,0 +1,119 @@
+const got = require('got');
+
+async function main() {
+  const res = await got(
+    'https://api.github.com/repos/jaredpalmer/formik/releases',
+    {
+      responseType: 'json',
+    }
+  );
+
+  const allReleases = res.body
+    .map(({ id, tag_name, created_at, body }) => ({
+      id,
+      tag_name,
+      created_at,
+      body: body
+        .replace(/\r\n/g, '\n')
+        .split('\n')
+        .map(e => e.trim()),
+    }))
+    .sort((a, b) => a.created_at.localeCompare(b.created_at));
+
+  const targetVersion = /v(.*?-)/
+    .exec(allReleases.filter(e => /v.*?-/.exec(e.tag_name)).pop().tag_name)
+    .pop();
+
+  const releases = allReleases.filter(v => v.tag_name.includes(targetVersion));
+
+  const lineItems = {
+    '### Minor Changes': [],
+    '### Patches': [],
+    '### Credits': [],
+  };
+
+  Object.keys(lineItems).forEach(header => {
+    releases.forEach(release => {
+      const headerIndex = release.body.indexOf(header);
+      if (!~headerIndex) return;
+
+      let headerLastIndex = release.body
+        .slice(headerIndex + 1)
+        .findIndex(v => v.startsWith('###'));
+
+      if (~headerLastIndex) {
+        headerLastIndex = headerLastIndex + headerIndex;
+      } else {
+        headerLastIndex = release.body.length - 1;
+      }
+
+      if (header === '### Credits') {
+        release.body.slice(headerIndex, headerLastIndex + 1).forEach(e => {
+          const re = /@[a-z\d](?:[a-z\d]|-(?=[a-z\d])){0,38}/gi;
+          let m;
+          do {
+            m = re.exec(e);
+            if (m) {
+              lineItems[header].push(m.pop());
+            }
+          } while (m);
+        });
+      } else {
+        release.body.slice(headerIndex, headerLastIndex + 1).forEach(e => {
+          if (!e.startsWith('-')) {
+            return;
+          }
+
+          lineItems[header].push(e);
+        });
+      }
+    });
+  });
+
+  let finalMessage = [];
+  Object.keys(lineItems).forEach(header => {
+    let items = lineItems[header];
+    if (!items.length) {
+      return;
+    }
+
+    finalMessage.push(header);
+    finalMessage.push('');
+
+    if (header === '### Credits') {
+      items = [...new Set(items)];
+      let creditsMessage = `Huge thanks to `;
+      if (items.length > 1) {
+        creditsMessage += items.slice(0, items.length - 1).join(`, `);
+        creditsMessage += `, and `;
+      }
+
+      creditsMessage += items[items.length - 1];
+      creditsMessage += ` for helping!`;
+
+      finalMessage.push(creditsMessage);
+    } else {
+      items.forEach(e => finalMessage.push(e));
+    }
+
+    finalMessage.push('');
+  });
+
+  const firstVersion = releases[0].tag_name;
+  const lastVersion = releases[releases.length - 1].tag_name;
+
+  // Add compare link
+  finalMessage.push(
+    `https://github.com/jaredpalmer/formik/compare/${firstVersion}...${lastVersion}`
+  );
+
+  return {
+    version: targetVersion.slice(0, -1),
+    firstVersion,
+    lastVersion,
+    content: finalMessage.join('\n'),
+  };
+}
+Promise.resolve()
+  .then(main)
+  .then(notes => console.log(String(notes.content)));