Optional fail fast, and concurrent by default 🏁

index-install.js

@@ -29,6 +29,8 @@ const {argv} = require('yargs')
   .describe('max-overall-gzip-size', 'Overall Gzip size threeshold of dependencies')
   .alias('max-overall-gzip-size', 'O')
   .string('max-overall-gzip-size')
+  .describe('fail-fast', 'Stop on first error')
+  .alias('fail-fast', 'x')
   // List of npm install flags
   .boolean([
     's',
@@ -45,7 +47,9 @@ const {argv} = require('yargs')
     '-B',
     'save-bundle',
     'no-save',
-    'dry-run'
+    'dry-run',
+    '-x',
+    '--fail-fast'
   ])
   .help('h')
   .alias('h', 'help')

index.js

@@ -29,6 +29,13 @@ const {argv} = require('yargs')
   .describe('dependencies', 'Output just the number of dependencies')
   .alias('dependencies', 'd')
   .boolean('d')
+  .describe('fail-fast', 'Stop on first error')
+  .alias('fail-fast', 'x')
+  .default('fail-fast', false)
+  .boolean('x')
+  .describe('serial', 'Run requests serially')
+  .alias('serial', '1')
+  .boolean('serial')
   .describe('self', 'Output bundle-phobia stats')
   .boolean('self')
   .help('h')

src/core.js

@@ -57,7 +57,7 @@ const main = async ({argv, stream = process.stdout}) => {
       spinner.info(view(stats));
       return stats;
     },
-    {concurrency: 1, stopOnError: false}
+    {concurrency: argv.serial ? 1 : undefined, stopOnError: argv['fail-fast']}
   ).catch(err => {
     spinner.stop();
     throw err;

src/install.js

@@ -137,7 +137,7 @@ const main = async ({
       const stats = await fetchPackageStats(paquage).catch(handleError(paquage, true));
       return _.defaultsAll([{package: paquage}, stats, predicate(stats)]);
     },
-    {stopOnError: false}
+    {stopOnError: argv['fail-fast']}
   );
 
   const toInstallStats = aggregateStats(statuses);