Stripped BOM before parsing package.json

read-json.js

@@ -80,14 +80,26 @@ function readJson_ (file, cb) {
                 })
 }
 
+
+function stripBOM(content) {
+                // Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
+                // because the buffer-to-string conversion in `fs.readFileSync()`
+                // translates it to FEFF, the UTF-16 BOM.
+                if (content.charCodeAt(0) === 0xFEFF) {
+                                content = content.slice(1);
+                }
+                return content;
+}
+
+
 function parseJson (file, er, d, cb) {
                 if (er && er.code === "ENOENT") {
                                 indexjs(file, er, cb)
                                 return
                 }
                 if (er) return cb(er);
                 try {
-                                d = JSON.parse(d)
+                                d = JSON.parse(stripBOM(d))
                 } catch (er) {
                                 d = parseIndex(d)
                                 if (!d) return cb(parseError(er, file));

test/bom.js

@@ -0,0 +1,19 @@
+// vim: set softtabstop=16 shiftwidth=16:
+var tap = require("tap")
+var readJson = require("../")
+var path = require("path")
+var fs = require("fs")
+
+console.error("BOM test")
+tap.test("BOM test", function (t) {
+                var p = path.resolve(__dirname, "fixtures/bom.json")
+                readJson(p, function (er, data) {
+                                if (er) throw er;
+                                p = path.resolve(__dirname, "fixtures/nobom.json")
+                                readJson(p, function (er, data2) {
+                                                if (er) throw er;
+                                                t.deepEqual(data, data2)
+                                                t.end()
+                                })
+                })
+})

test/fixtures/bom.json

@@ -0,0 +1,6 @@
+{
+    "name": "this",
+    "description": "file",
+    "author": "has <filename>",
+    "version" : "0.0.1"
+}

test/fixtures/nobom.json

@@ -0,0 +1,6 @@
+{
+    "name": "this",
+    "description": "file",
+    "author": "has <filename>",
+    "version" : "0.0.1"
+}