Check for optional devDependencies (#3121)

* Check for optional `devDependencies` Noticed this bug when trying to eject without `devDependencies` defined in package.json. * update * Lint fixes
expo · Jan 25, 2021 · 16f90a8 · 16f90a8
1 parent cc8e4be
commit 16f90a8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/packages/expo-cli/src/commands/eject/Eject.ts b/packages/expo-cli/src/commands/eject/Eject.ts
@@ -516,6 +516,9 @@ function updatePackageJSONDependencies({
   tempDir: string;
   pkg: PackageJSONConfig;
 }): DependenciesModificationResults {
+  if (!pkg.devDependencies) {
+    pkg.devDependencies = {};
+  }
   const { dependencies, devDependencies } = getPackageJson(tempDir);
   const defaultDependencies = createDependenciesMap(dependencies);
   const defaultDevDependencies = createDependenciesMap(devDependencies);