ES6 syntax (computed property names) causes esprima-fb error

[thurt]

Appears to be related to one of the parser dependencies needing to be updated.
I am getting syntax error raised from esprima-fb.

├─┬ disc@1.3.2
│ ├─┬ bl@0.7.0
│ │ └── readable-stream@1.0.33
│ ├─┬ browser-unpack@0.2.3
│ │ ├── concat-stream@1.2.1
│ │ ├── esprima-fb@3001.1.0-dev-harmony-fb  ////// COULD BE THIS ONE
│ │ └── minimist@0.0.5
│ ├── builtins@0.0.3
│ ├── commondir@0.0.1
│ ├── d3@3.5.16
│ ├── duplexer@0.1.1
│ ├─┬ file-tree@1.0.0
│ │ ├── async-reduce@0.0.1
│ │ └── flat@1.0.0
│ ├── flatten@0.0.1
│ ├── map-async@0.1.1
│ ├── opener@1.4.1
│ ├─┬ optimist@0.6.1
│ │ └── wordwrap@0.0.3
│ ├── plucker@0.0.0
│ ├── UNMET PEER DEPENDENCY stream-browserify@*
│ ├── through@2.3.8
│ └── uniq@1.0.1
/* ... */