Merge 698ead6776 into 98b97cf4fd

The --prefer-offline flag causes npm to use cached package metadata,
which can be stale and fail to resolve recently published versions.

Also updates deprecated --production flag to --omit=dev.

Fixes #1438

tools/cli/installers/lib/modules/manager.js

@@ -416,7 +416,7 @@ class ModuleManager {
       if (needsDependencyInstall || wasNewClone || nodeModulesMissing) {
         const installSpinner = ora(`Installing dependencies for ${moduleInfo.name}...`).start();
         try {
-          execSync('npm install --production --no-audit --no-fund --prefer-offline --no-progress', {
+          execSync('npm install --omit=dev --no-audit --no-fund --no-progress', {
             cwd: moduleCacheDir,
             stdio: 'pipe',
             timeout: 120_000, // 2 minute timeout
@@ -441,7 +441,7 @@ class ModuleManager {
         if (packageJsonNewer) {
           const installSpinner = ora(`Installing dependencies for ${moduleInfo.name}...`).start();
           try {
-            execSync('npm install --production --no-audit --no-fund --prefer-offline --no-progress', {
+            execSync('npm install --omit=dev --no-audit --no-fund --no-progress', {
               cwd: moduleCacheDir,
               stdio: 'pipe',
               timeout: 120_000, // 2 minute timeout