I've implemented a PoC for NFC vCard support.
My implementation consists of two modules. A NFC card emulation NFCTag.js and a NDEF vCard wrapper NFCvCard.js.
NFCTag: Features READ and WRITE support.
NFCvCard: Its a pretty crude application example for NFCTag that can be altered to support various MIME-Type based NDEF tag types.
I've tested my vCard example below using https://itunes.apple.com/us/app/nfc-reader-for-iphone/id1249686798?mt=8
var tag = require("NFCvCard").create("BEGIN:VCARD\n"+
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