Add support for --dep packageManager (#1252).

src/cli-options.ts

@@ -375,7 +375,7 @@ const cliOptions: CLIOption[] = [
     long: 'dep',
     arg: 'value',
     description:
-      'Check one or more sections of dependencies only: dev, optional, peer, prod, bundle (comma-delimited).',
+      'Check one or more sections of dependencies only: dev, optional, peer, prod, bundle, packageManager (comma-delimited).',
     default: ['prod', 'dev', 'bundle', 'optional'],
     parse: value => (value && typeof value === 'string' ? value.split(',') : value),
     type: 'string | string[]',

src/lib/getCurrentDependencies.ts

@@ -15,6 +15,12 @@ const isGreaterThanSafe = (spec1: VersionSpec, spec2: VersionSpec) =>
   // otherwise return true if spec2 is smaller than spec1
   semver.gt(semver.minVersion(spec1)!, semver.minVersion(spec2)!)
 
+/** Parses the packageManager field into a { [name]: version } pair. */
+const parsePackageManager = (pkgData: PackageFile) => {
+  if (!pkgData.packageManager) return {}
+  const [name, version] = pkgData.packageManager.split('@')
+  return { [name]: version }
+}
 /**
  * Get the current dependencies from the package file.
  *
@@ -34,18 +40,25 @@ function getCurrentDependencies(pkgData: PackageFile = {}, options: Options = {}
 
   // map the dependency section option to a full dependency section name
   const depSections = depOptions.map(
-    short => (short === 'prod' ? 'dependencies' : short + 'Dependencies') as keyof PackageFile,
+    short =>
+      (short === 'prod'
+        ? 'dependencies'
+        : short === 'packageManager'
+        ? short
+        : short + 'Dependencies') as keyof PackageFile,
   )
 
   // get all dependencies from the selected sections
   // if a dependency appears in more than one section, take the lowest version number
   const allDependencies = depSections.reduce((accum, depSection) => {
     return {
       ...accum,
-      ...filterObject(
-        (pkgData[depSection] as Index<string>) || {},
-        (dep, spec) => !isGreaterThanSafe(spec, accum[dep]),
-      ),
+      ...(depSection === 'packageManager'
+        ? parsePackageManager(pkgData)
+        : filterObject(
+            (pkgData[depSection] as Index<string>) || {},
+            (dep, spec) => !isGreaterThanSafe(spec, accum[dep]),
+          )),
     }
   }, {} as Index<VersionSpec>)
 

src/lib/upgradePackageData.ts

@@ -31,13 +31,19 @@ async function upgradePackageData(
       : options.dep
     : ['prod', 'dev', 'bundle', 'optional']
 
+  // map the dependency section option to a full dependency section name
   const depSections = depOptions.map(
-    short => (short === 'prod' ? 'dependencies' : short + 'Dependencies') as keyof PackageFile,
+    short =>
+      (short === 'prod'
+        ? 'dependencies'
+        : short === 'packageManager'
+        ? short
+        : short + 'Dependencies') as keyof PackageFile,
   )
 
   // iterate through each dependency section
   const sectionRegExp = new RegExp(`"(${depSections.join(`|`)})"s*:[^}]*`, 'g')
-  const newPkgData = pkgData.replace(sectionRegExp, section => {
+  let newPkgData = pkgData.replace(sectionRegExp, section => {
     // replace each upgraded dependency in the section
     Object.keys(upgraded).forEach(dep => {
       const expression = `"${dep}"\\s*:\\s*"(${escapeRegexp(current[dep])})"`
@@ -48,6 +54,19 @@ async function upgradePackageData(
     return section
   })
 
+  if (depOptions.includes('packageManager')) {
+    const pkg = JSON.parse(pkgData) as PackageFile
+    if (pkg.packageManager) {
+      const [name] = pkg.packageManager.split('@')
+      if (upgraded[name]) {
+        newPkgData = newPkgData.replace(
+          /"packageManager"\s*:\s*".*?@[^"]*"/,
+          `"packageManager": "${name}@${upgraded[name]}"`,
+        )
+      }
+    }
+  }
+
   return newPkgData
 }
 

src/types/PackageFile.ts

@@ -9,6 +9,8 @@ export interface PackageFile {
   devDependencies?: Index<VersionSpec>
   engines?: Index<VersionSpec>
   name?: string
+  // https://nodejs.org/api/packages.html#packagemanager
+  packageManager?: string
   optionalDependencies?: Index<VersionSpec>
   peerDependencies?: Index<VersionSpec>
   repository?: string | PackageFileRepository