fix: monorepo detection

Author: janl

test/utils/initial-branch-utils.js

@@ -122,7 +122,7 @@ describe('initial branch utils', () => {
       'bazquux/package.json'
     ]
     const contents = {
-      'package.json': { devDependencies: { '@finnpauls/blup': '1.0.0' }, workspaceRoot: 'bazquux/' },
+      'package.json': { devDependencies: { '@finnpauls/blup': '1.0.0' }, workspaces: 'bazquux/' },
       'bazquux/package.json': { devDependencies: { '@finnpauls/dep': '*' }, dependencies: { 'florp': '1.2.3' } }
     }
     const result = getDependenciesFromPackageFiles(paths, contents)

utils/initial-branch-utils.js

@@ -23,7 +23,7 @@ function getDependenciesFromPackageFiles (packagePaths, packageJsonContents) {
     For those dependencies, we should not try to fetch infos
     from npm, because the dependencies are not there.
   */
-  const isMonorepo = !!_.get(packageJsonContents['package.json'], 'workspaceRoot')
+  const isMonorepo = !!_.get(packageJsonContents['package.json'], 'workspaces')
   const isMonorepoStar = ({ name, version, type }) => {
     return !(isMonorepo && version === '*')
   }