Merge pull request #50 from zeit/add/now-engines

Add now-engines

lib/index.js

@@ -70,6 +70,8 @@ export default class Now extends EventEmitter {
 
     this._files = hashes;
 
+    const engines = pkg['now-engines'];
+
     const deployment = await retry(async (bail) => {
       if (this._debug) console.time('> [debug] /now/create');
       const res = await this._fetch('/now/create', {
@@ -89,7 +91,8 @@ export default class Now extends EventEmitter {
                 file: toRelative(name, this._path)
               };
             });
-          }))
+          })),
+          engines
         }
       });
       if (this._debug) console.timeEnd('> [debug] /now/create');
@@ -112,8 +115,9 @@ export default class Now extends EventEmitter {
     // we report about files whose sizes are too big
     if (deployment.warnings) {
       let sizeExceeded = 0;
-      deployment.warnings.forEach(({ reason, sha, limit }) => {
-        if ('size_limit_exceeded' === reason) {
+      deployment.warnings.forEach((warning) => {
+        if ('size_limit_exceeded' === warning.reason) {
+          const { sha, limit } = warning;
           const name = hashes.get(sha).names.pop();
           console.error('> \u001b[31mWarning!\u001b[39m Skipping file %s (size exceeded %s)',
             name,
@@ -121,6 +125,12 @@ export default class Now extends EventEmitter {
           );
           hashes.get(sha).names.unshift(name); // move name (hack, if duplicate matches we report them in order)
           sizeExceeded++;
+        } else if ('node_version_not_found' === warning.reason) {
+          const { wanted, used } = warning;
+          console.error('> \u001b[31mWarning!\u001b[39m Requested node version %s is not available, using default version %s',
+            wanted,
+            used
+          );
         }
       });