index option specifies path to sort by

Author: dominictarr

index.js

@@ -11,13 +11,6 @@ var FlumeViewLevel = require('flumeview-level')
 var isArray = Array.isArray
 var isNumber = function (n) { return 'number' === typeof n }
 var isObject = function (o) { return o && 'object' === typeof o && !isArray(o) }
-var findByKey = function (indexes, key) {
-  for (var i = 0; i < indexes.length; i++) {
-    if (indexes[i] && indexes[i].key === key) {
-      return indexes[i]
-    }
-  }
-}
 
 //sorted index.
 
@@ -95,9 +88,9 @@ module.exports = function (version, opts) {
         q = {}
 
       var index = opts.index
-        ? findByKey(indexes, opts.index)
+        ? u.findByPath(indexes, opts.index)
         : select(indexes, q)
-        
+
       if(!index) return {scan: true}
       var _opts = query(index, q, exact)
       _opts.values = true

links.js

@@ -9,14 +9,6 @@ var Flatmap = require('pull-flatmap')
 var FlumeViewLevel = require('flumeview-level')
 
 var isArray = Array.isArray
-var findByKey = function (indexes, key) {
-  for (var i = 0; i < indexes.length; i++) {
-    if (indexes[i] && indexes[i].key === key) {
-      return indexes[i]
-    }
-  }
-}
-
 //sorted index.
 
 //split this into TWO modules. flumeview-links and flumeview-query
@@ -67,8 +59,8 @@ module.exports = function (indexes, links, version) {
       else
         q = {}
 
-      var index = opts.index 
-        ? findByKey(indexes, opts.index)
+      var index = opts.index
+        ? u.findByPath(indexes, opts.index)
         : select(indexes, q)
 
       if(!index)
@@ -111,4 +103,6 @@ module.exports = function (indexes, links, version) {
     }
     return index
   }
-}
+}
+
+

util.js

@@ -1,3 +1,5 @@
+var deepEqual = require('deep-equal')
+
 exports.has = function has (key, obj) {
   if('string' === typeof key)
     return Object.hasOwnProperty.call(obj, key)
@@ -30,4 +32,11 @@ exports.set = function set(key, value, obj) {
   }
 }
 
+exports.findByPath = function (indexes, path) {
+  return indexes.find(function (index) {
+    return deepEqual(index.value, path)
+  })
+}
+
+