update changelog format

.github/workflows/package.yml

@@ -75,6 +75,52 @@ jobs:
           # package
           cd $wd
           npm run publish -- --win --linux --mac --x64
+      - name: publish changelog
+        uses: actions/github-script@v4
+        with:
+          script: |
+            // extract the repo and tag
+            const { repo: githubRepo, ref } = context,
+              { owner, repo } = githubRepo,
+              tag = ref.replace('refs/tags/', '').trim(),
+              { data } = await github.repos.getReleaseByTag({
+                owner, repo, tag
+              }),
+              { name, id: release_id } = data,
+              // read the changelog
+              logLines = require('fs').readFileSync('CHANGELOG.md').toString('utf-8').split('\n');
+
+            // find matching release in the changelog
+            let body = [], found;
+            for (let i = 0; i < logLines.length; i++) {
+              const line = logLines[i];
+              // if this line matches the target release header, start collecting lines
+              if (line.indexOf(`# ${name}`) === 0) {
+                found = true;
+                continue;
+              }
+
+              // if the release hasn't been seen yet, skip
+              if (!found)
+                continue;
+              // if the line matches the next release header, stop
+              else if (/^# [0-9]+\.[0-9]+\.[0-9]+/.test(line)) {
+                body = body.join('\n').trim();
+                break;
+              }
+
+              // otherwise, add the line to the body
+              body.push(line);
+            }
+
+            // if we didn't find the body, throw an error
+            if (!body.length)
+              throw new Error(`Could not find release body for ${name}`);
+
+            // update the release
+            await github.repos.updateRelease({
+              owner, repo, body, release_id
+            });
       - name: cleanup
         if: ${{ always() }}
         run: |