add prepublish script for creating minified file

This means the minified file needn't be (manually) updated each commit.

Author: davidchambers

Makefile

@@ -1,6 +1,6 @@
 ISTANBUL = node_modules/.bin/istanbul
 UGLIFYJS = node_modules/.bin/uglifyjs
-XYZ = node_modules/.bin/xyz --message X.Y.Z --tag X.Y.Z
+XYZ = node_modules/.bin/xyz --message X.Y.Z --tag X.Y.Z --script scripts/prepublish
 
 SRC = base64.js
 MIN = $(patsubst %.js,%.min.js,$(SRC))

package.json

@@ -19,6 +19,6 @@
     "istanbul": "0.2.x",
     "mocha": "1.18.x",
     "uglify-js": "2.4.x",
-    "xyz": "0.2.x"
+    "xyz": "0.3.x"
   }
 }

scripts/prepublish

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -e
+
+rm -f   base64.min.js
+make    base64.min.js
+git add base64.min.js