coventional-changelog-angular-transform.js

export const customTransform = (commit, context) => {
  const issues = [];

  commit.notes.forEach(note => {
    note.title = `BREAKING CHANGES`;
  });

  if (commit.type === `feat`) {
    commit.type = `Features`;
  } else if (commit.type === `fix`) {
    commit.type = `Bug Fixes`;
  } else if (commit.type === `perf`) {
    commit.type = `Performance Improvements`;
  } else if (commit.type === `revert`) {
    commit.type = `Reverts`;
  } else if (commit.type === `docs`) {
    commit.type = `Documentation`;
  } else if (commit.type === `style`) {
    commit.type = `Styles`;
  } else if (commit.type === `refactor`) {
    commit.type = `Code Refactoring`;
  } else if (commit.type === `test`) {
    commit.type = `Tests`;
  } else if (commit.type === `build`) {
    commit.type = `Build System`;
  } else if (commit.type === `ci`) {
    commit.type = `Continuous Integration`;
  } else if (commit.type === `chore`) {
    commit.type = 'Chores'
  }
  else {
    return;
  }

  if (commit.scope === `*`) {
    commit.scope = ``;
  }

  if (typeof commit.hash === `string`) {
    commit.shortHash = commit.hash.substring(0, 7);
  }

  if (typeof commit.subject === `string`) {
    let url = context.repository
      ? `${context.host}/${context.owner}/${context.repository}`
      : context.repoUrl;
    if (url) {
      url = `${url}/issues/`;
      // Issue URLs.
      commit.subject = commit.subject.replace(/#([0-9]+)/g, (_, issue) => {
        issues.push(issue);
        return `[#${issue}](${url}${issue})`;
      });
    }
    if (context.host) {
      // User URLs.
      commit.subject = commit.subject.replace(
        /\B@([a-z0-9](?:-?[a-z0-9/]){0,38})/g,
        (_, username) => {
          if (username.includes("/")) {
            return `@${username}`;
          }

          return `[@${username}](${context.host}/${username})`;
        }
      );
    }
  }

  // remove references that already appear in the subject
  commit.references = commit.references.filter(reference => {
    if (issues.indexOf(reference.issue) === -1) {
      return true;
    }

    return false;
  });

  return commit;
};