feat: add support for ipfs files stat --with-local (#695)

src/files/stat.js

@@ -1,14 +1,25 @@
 'use strict'
 
 const promisify = require('promisify-es6')
+const _ = require('lodash')
+const streamToValue = require('../utils/stream-to-value')
 
 const transform = function (res, callback) {
-  callback(null, {
-    type: res.Type,
-    blocks: res.Blocks,
-    size: res.Size,
-    hash: res.Hash,
-    cumulativeSize: res.CumulativeSize
+  return streamToValue(res, (err, data) => {
+    if (err) {
+      return callback(err)
+    }
+
+    callback(null, {
+      type: data[0].Type,
+      blocks: data[0].Blocks,
+      size: data[0].Size,
+      hash: data[0].Hash,
+      cumulativeSize: data[0].CumulativeSize,
+      withLocality: data[0].WithLocality || false,
+      local: data[0].Local || null,
+      sizeLocal: data[0].SizeLocal || null
+    })
   })
 }
 
@@ -18,6 +29,9 @@ module.exports = (send) => {
       callback = opts
       opts = {}
     }
+
+    opts = _.mapKeys(opts, (v, k) => _.kebabCase(k))
+
     send.andTransform({
       path: 'files/stat',
       args: args,

test/files.spec.js

@@ -282,7 +282,10 @@ describe('.files (the MFS API part)', function () {
         size: 12,
         cumulativeSize: 20,
         blocks: 0,
-        type: 'file'
+        type: 'file',
+        withLocality: false,
+        local: undefined,
+        sizeLocal: undefined
       })
 
       done()