Warn on npm install if Bower isn't installed.

diff --git a/build/bower-install.js b/build/bower-install.js
new file mode 100644 (file)
index 0000000..fefcfc0
--- /dev/null
+++ b/build/bower-install.js
@@ -0,0 +1,23 @@
+var installer,
+       which = require( "which" ),
+       spawn = require( "child_process" ).spawn;
+
+try {
+       which.sync( "bower" );
+} catch( error ) {
+       console.error( "Bower must be installed to build jQuery." );
+       console.error( "Please install Bower by running the following command:" );
+       console.error( "npm install -g bower" );
+       process.exit( 1 );
+}
+
+installer = spawn( "bower", [ "install" ] );
+installer.stdout.on( "data", function( data ) {
+       console.log( data );
+});
+installer.stderr.on( "data", function( data ) {
+       console.error( data );
+});
+installer.on( "close", function( code ) {
+       process.exit( code );
+});

diff --git a/package.json b/package.json
index 409d08762dbd456f8fd31d8b190278e6051d365d..8d58521b794459c4842cebcecf64948642b89bed 100644 (file)
--- a/package.json
+++ b/package.json
@@ -38,7 +38,8 @@
                "grunt-jsonlint": "~1.0.0",
                "gzip-js": "0.3.2",
                "testswarm": "~1.1.0",
-               "requirejs": "~2.1.8"
+               "requirejs": "~2.1.8",
+               "which": "~1.0.5"
        },
        "scripts": {
                "install": "bower install",