humpty/src/findUnmentionedChanges.js

Makes sure your changelogs mention your breaking changes

import { CHANGE_TYPE_GROUP_PROP } from "./changeTypes";

function propIsMentioned(commitMessages, propName) {
  if (!commitMessages || commitMessages.length === 0) {
    return false;
  }

  return commitMessages.some(msg => msg.includes(`${propName} propS`));
}

export default function findUnmentionedChanges(commitMessages, changedExports) {
  let unmentionedChangeCount = 0;

  const unmentionedChanges = changedExports
    .map(changedExport => {
      const unmentionedChangesInExport = changedExport.apiChanges
        .map(apiChange => {
          if (
            CHANGE_TYPE_GROUP_PROP.includes(apiChange.changeType) &&
            !propIsMentioned(commitMessages, apiChange.propName)
          ) {
            unmentionedChangeCount += 1;
            return apiChange;
          }
          return undefined;
        })
        .filter(Boolean);

      changedExport.apiChanges = unmentionedChangesInExport;

      return unmentionedChangesInExport.length ? changedExport : undefined;
    })
    .filter(Boolean);

  return {
    unmentionedChanges,
    unmentionedChangeCount
  };
}