treetabular - npm Package Compare versions

Comparing version 3.5.2 to 3.6.0

CHANGELOG.md

 ## treetabular
 
+3.6.0 / 2020-01-27
+==================
+
+  * Feature - Improve filtering performance #24
+
 3.5.2 / 2019-01-02
@@ -4,0 +9,0 @@ ==================

dist/filter.js

@@ -26,2 +26,6 @@ 'use strict';
 
+    // build up a cache of parent ids and whether their child rows should show
+    // to reduce the amount of lookups for performance
+    var parentCache = {};
+
     return rows.filter(function (row, index) {
@@ -32,7 +36,17 @@ if (typeof row[parentField] === 'undefined' || row[parentField] === null) {
 
+      var parentVal = parentCache[row[parentField]];
+      if (parentVal === false || parentVal === true) {
+        return parentVal;
+      }
+
       var parents = (0, _getParents2.default)({ index: index, idField: idField, parentField: parentField })(rows);
 
-      return parents.filter(function (parent) {
+      // if all the rows parents are showing then we know that the row should should
+      var rowShouldShow = parents.filter(function (parent) {
         return parent[fieldName];
       }).length === parents.length;
+
+      parentCache[row[parentField]] = rowShouldShow;
+
+      return rowShouldShow;
     });
@@ -39,0 +53,0 @@ };

package.json

 {
   "name": "treetabular",
-  "version": "3.5.2",
+  "version": "3.6.0",
   "description": "Tree utilities",
@@ -5,0 +5,0 @@ "scripts": {

No alert changes

Improved metrics

Total package byte prevSize

51865

increased by1.12%

Lines of code

732

increased by1.39%

No dependency changes