fix(scripts): Update release scripts for newest lerna version

scripts/determine-pkg-versions.js

@@ -88,12 +88,10 @@ const commitMatches = childProcess
 const componentPkgs = updatedPkgs.filter(({name}) => name.indexOf('@material') === 0);
 const mdcPkg = updatedPkgs.find(({name}) => name === 'material-components-web');
 const newPkgVersions = collectNewPkgVersions(componentPkgs, commitMatches);
-const newMDCVersion = {
+const newMDCVersion = Object.assign(collectMDCVersion(mdcPkg, newPkgVersions), {
   name: 'material-components-web',
-  version: collectMDCVersion(mdcPkg, newPkgVersions),
-  changeType: 'N/A',
   causedByCommit: 'N/A',
-};
+});
 
 const allPkgVersions = [newMDCVersion].concat(newPkgVersions);
 writeSummaryToScreen(allPkgVersions);
@@ -125,8 +123,8 @@ function determineVersion(pkg, commitInfos) {
 
   return commitInfos.reduce(pickBestVersionInfo(pkg), {
     version: currentVersion,
-    changeType: '',
-    causedByCommit: '',
+    changeType: 'patch',
+    causedByCommit: '(dependency update - part of packages to be updated but no explicit commits referencing it)',
   });
 }
 
@@ -175,10 +173,13 @@ function collectMDCVersion(mdcPkg, newPkgVersions) {
     [VersionType.MINOR]: 1,
     [VersionType.MAJOR]: 2,
   };
-  const overallChangeType = [...changeTypes]
-    .sort((ct1, ct2) => versionRanks[ct1] - versionRanks[ct2])
-    .pop();
-  return semver.inc(currentVersion, overallChangeType) || '(no update needed)';
+  const overallChangeTypes = [...changeTypes]
+    .sort((ct1, ct2) => versionRanks[ct1] - versionRanks[ct2]);
+  const overallChangeType = overallChangeTypes.pop();
+  return {
+    version: semver.inc(currentVersion, overallChangeType) || '(no update needed)',
+    changeType: overallChangeType,
+  };
 }
 
 function writeSummary(pkgVersions, performWrite) {

scripts/lib/get-updated-pkgs.js

@@ -21,22 +21,21 @@
  * for exposing a public API at https://github.com/lerna/lerna/issues/167.
  */
 
-const path = require('path');
-
-const PackageUtilities = require('lerna/lib/PackageUtilities');
+const Repository = require('lerna/lib/Repository');
 const UpdatedPackagesCollector = require('lerna/lib/UpdatedPackagesCollector');
 const lernaLogger = require('lerna/lib/logger');
 const progressBar = require('lerna/lib/progressBar');
 
-const PKGS_PATH = path.resolve(__dirname, '../../packages');
-
 module.exports = function() {
-  const packages = PackageUtilities.getPackages(PKGS_PATH);
-  const packageGraph = PackageUtilities.getPackageGraph(packages);
+  const repository = new Repository();
   const origInfoFn = lernaLogger.info;
   const origBarDescriptor = Object.getOwnPropertyDescriptor(progressBar, 'bar');
-  const collector = new UpdatedPackagesCollector(
-    packages, packageGraph, {} /* flags (unused) */, {} /* publishConfig (unused) */);
+  const lernaCommand = {
+    repository,
+    getOptions: () => ({}),
+    publishConfig: {},
+  };
+  const collector = new UpdatedPackagesCollector(lernaCommand);
 
   lernaLogger.info = () => {};
   Object.defineProperty(progressBar, 'bar', {
@@ -45,7 +44,6 @@ module.exports = function() {
     enumerable: true,
     configurable: true,
   });
-
   const updates = collector.getUpdates();
 
   Object.defineProperty(progressBar, 'bar', origBarDescriptor);