refactor!: update to new conventional-changelog preset interface (#133)

BREAKING CHANGE: now requires conventional-changelog >= 6.0.0

Author: isn-renovate[bot]

index.js

@@ -6,11 +6,11 @@ import commitGroupsSort from './lib/commit-groups-compare.js';
 import transform from './lib/commit-transform.js';
 
 async function createPreset() {
-  return conventionalChangelogConventionalCommits().then((preset) =>
-    _.merge(preset, {
-      writerOpts: { transform, commitGroupsSort, groupBy: 'groupType' },
-    })
-  );
+  return conventionalChangelogConventionalCommits().then((preset) => {
+    return _.merge(preset, {
+      writer: { transform, commitGroupsSort, groupBy: 'groupType' },
+    });
+  });
 }
 
 export default createPreset;

lib/commit-transform.js

@@ -10,32 +10,28 @@ const COMMIT_HASH_LENGTH = 7;
  * @return {Object} the transformed commit.
  */
 export default (commit, context) => {
-  if (commit.notes) {
-    commit.notes.forEach((note) => {
-      note.title = 'Breaking changes';
-    });
-  }
+  const entry = types[commit.type];
 
-  if (
-    types[commit.type] &&
-    (types[commit.type].changelog || (commit.notes && commit.notes.length > 0))
-  ) {
-    commit.groupType = `${
-      types[commit.type].emoji ? `${types[commit.type].emoji} ` : ''
-    }${types[commit.type].title}`;
-  } else {
-    return null;
-  }
+  const notes = commit.notes.map((note) => {
+    return {
+      ...note,
+      title: 'Breaking changes',
+    };
+  });
 
-  if (commit.scope === '*') {
-    commit.scope = '';
-  }
+  if (!entry || (!entry.changelog && notes.length == 0)) return null;
 
-  if (typeof commit.hash === 'string') {
-    commit.shortHash = commit.hash.slice(0, COMMIT_HASH_LENGTH);
-  }
+  const groupType = `${entry.emoji ? `${entry.emoji} ` : ''}${entry.title}`;
 
-  const references = [];
+  const scope = commit.scope === '*' ? '' : commit.scope;
+
+  const shortHash =
+    typeof commit.hash === 'string'
+      ? commit.hash.substring(0, COMMIT_HASH_LENGTH)
+      : commit.shortHash;
+
+  let subject = commit.subject;
+  const subjectReferences = [];
 
   if (typeof commit.subject === 'string') {
     let url = context.repository
@@ -45,31 +41,36 @@ export default (commit, context) => {
     if (url) {
       url += '/issues/';
       // Issue URLs.
-      commit.subject = commit.subject.replace(/#(\d+)/g, (_, issue) => {
-        references.push(issue);
+      subject = subject.replace(/#(\d+)/g, (_, issue) => {
+        subjectReferences.push(issue);
         return `[#${issue}](${url}${issue})`;
       });
     }
 
     if (context.host) {
       // User URLs.
-      commit.subject = commit.subject.replace(
+      subject = subject.replace(
         /\B@([a-z0-9](?:-?[a-z0-9]){0,38})/g,
         `[@$1](${context.host}/$1)`
       );
     }
   }
 
+  let references;
   if (commit.references) {
     // Remove references that already appear in the subject
-    commit.references = commit.references.filter((reference) => {
-      if (!references.includes(reference.issue)) {
-        return true;
-      }
-
-      return false;
-    });
+    references = commit.references.filter(
+      (reference) => !subjectReferences.includes(reference.issue)
+    );
   }
 
-  return commit;
+  return {
+    notes,
+    groupType,
+    type: commit.type,
+    scope,
+    shortHash,
+    subject,
+    references,
+  };
 };