error log

error.log

reason-demo>npm run build
^[[?25h
> @ build /Users/hongbozhang/git/bucklescript-addons/examples/reason-demo
> source dependencyEnv && bsc -pp ./node_modules/reason/refmt_impl.native -impl hello.re

/Users/hongbozhang/git/bucklescript-addons/examples/reason-demo/node_modules/dependency-env/.bin/dependencyEnv.js:60
    packageName.replace(new RegExp("\-", "g"), function(s){return "_";}).toUpperCase() + "__";
               ^

TypeError: Cannot read property 'replace' of undefined
    at /Users/hongbozhang/git/bucklescript-addons/examples/reason-demo/node_modules/dependency-env/.bin/dependencyEnv.js:60:16
    at traverseSync (/Users/hongbozhang/git/bucklescript-addons/examples/reason-demo/node_modules/dependency-env/.bin/dependencyEnv.js:26:3)
    at Object.<anonymous> (/Users/hongbozhang/git/bucklescript-addons/examples/reason-demo/node_modules/dependency-env/.bin/dependencyEnv.js:55:1)
    at Module._compile (module.js:435:26)
    at Object.Module._extensions..js (module.js:442:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:311:12)
    at Function.Module.runMain (module.js:467:10)
    at startup (node.js:134:18)
    at node.js:961:3
Preparing Environment Variables:


reason-demo>