Add lint rule space-infix-ops (#3237)

Disallows: 1+1.  Must be 1 + 1.

src/RestQuery.js

@@ -110,7 +110,7 @@ function RestQuery(config, auth, className, restWhere = {}, restOptions = {}, cl
         // reduce to create all paths
         // ([a,b,c] -> {a: true, 'a.b': true, 'a.b.c': true})
         return path.split('.').reduce((memo, path, index, parts) => {
-          memo[parts.slice(0, index+1).join('.')] = true;
+          memo[parts.slice(0, index + 1).join('.')] = true;
           return memo;
         }, memo);
       }, {});
@@ -552,8 +552,8 @@ function includePath(config, auth, response, path, restOptions = {}) {
     const keys = new Set(restOptions.keys.split(','));
     const keySet = Array.from(keys).reduce((set, key) => {
       const keyPath = key.split('.');
-      let i=0;
-      for (i; i<path.length; i++) {
+      let i = 0;
+      for (i; i < path.length; i++) {
         if (path[i] != keyPath[i]) {
           return set;
         }