Try deleting .bin in exported packages before pruning to workaround i…

…ssue on Travis

scripts/package.js

@@ -6,6 +6,7 @@ const path = require("path");
 const getBuildPaths = require("./getBuildPaths");
 const readdirRecursive = require("recursive-readdir");
 const mkdirp = require("mkdirp");
+const rimraf = require("rimraf");
 const async = require("async");
 const _ = require("lodash");
 const child_process = require("child_process");
@@ -76,6 +77,10 @@ readdirRecursive(sourceRootPath, [ shouldIgnore ], (err, files) => {
 
   async.eachSeries(buildPaths, (buildPath, cb) => {
     if (!fs.existsSync(`${buildPath}/package.json`)) { cb(); return; }
+
+    // On Travis, npm fails to prune if we don't do that
+    rimraf.sync(`${buildPath}/node_modules/.bin`);
+
     const spawnOptions = { cwd: buildPath, env: process.env, stdio: "inherit" };
     const npm = child_process.spawn(`npm${execSuffix ? ".cmd" : ""}`, [ "prune", "--production" ], spawnOptions);