New: Additional custom filter predicates for strings

frontend/src/Helpers/Props/filterBuilderTypes.js

@@ -47,6 +47,10 @@ export const possibleFilterTypes = {
     { key: filterTypes.CONTAINS, value: 'contains' },
     { key: filterTypes.NOT_CONTAINS, value: 'does not contain' },
     { key: filterTypes.EQUAL, value: 'equal' },
-    { key: filterTypes.NOT_EQUAL, value: 'not equal' }
+    { key: filterTypes.NOT_EQUAL, value: 'not equal' },
+    { key: filterTypes.STARTS_WITH, value: 'starts with' },
+    { key: filterTypes.NOT_STARTS_WITH, value: 'does not start with' },
+    { key: filterTypes.ENDS_WITH, value: 'ends with' },
+    { key: filterTypes.NOT_ENDS_WITH, value: 'does not end with' }
   ]
 };

frontend/src/Helpers/Props/filterTypePredicates.js

@@ -39,6 +39,22 @@ const filterTypePredicates = {
 
   [filterTypes.NOT_EQUAL]: function(itemValue, filterValue) {
     return itemValue !== filterValue;
+  },
+
+  [filterTypes.STARTS_WITH]: function(itemValue, filterValue) {
+    return itemValue.toLowerCase().startsWith(filterValue.toLowerCase());
+  },
+
+  [filterTypes.NOT_STARTS_WITH]: function(itemValue, filterValue) {
+    return !itemValue.toLowerCase().startsWith(filterValue.toLowerCase());
+  },
+
+  [filterTypes.ENDS_WITH]: function(itemValue, filterValue) {
+    return itemValue.toLowerCase().endsWith(filterValue.toLowerCase());
+  },
+
+  [filterTypes.NOT_ENDS_WITH]: function(itemValue, filterValue) {
+    return !itemValue.toLowerCase().endsWith(filterValue.toLowerCase());
   }
 };
 

frontend/src/Helpers/Props/filterTypes.js

@@ -10,6 +10,10 @@ export const LESS_THAN = 'lessThan';
 export const LESS_THAN_OR_EQUAL = 'lessThanOrEqual';
 export const NOT_CONTAINS = 'notContains';
 export const NOT_EQUAL = 'notEqual';
+export const STARTS_WITH = 'startsWith';
+export const NOT_STARTS_WITH = 'notStartsWith';
+export const ENDS_WITH = 'endsWith';
+export const NOT_ENDS_WITH = 'notEndsWith';
 
 export const all = [
   CONTAINS,
@@ -23,5 +27,9 @@ export const all = [
   IN_LAST,
   NOT_IN_LAST,
   IN_NEXT,
-  NOT_IN_NEXT
+  NOT_IN_NEXT,
+  STARTS_WITH,
+  NOT_STARTS_WITH,
+  ENDS_WITH,
+  NOT_ENDS_WITH
 ];