Improve conditional variables (#6301)

* Add some operations to strings

* Rename some types for conditional variables

* Ignore type error ( for now )

* Fix tests

* Add tests for the newly added string operations

---------

Co-authored-by: Artur Arseniev <artur.catch@hotmail.it>

packages/core/src/data_sources/model/DataVariableListenerManager.ts

@@ -40,6 +40,7 @@ export default class DynamicVariableListenerManager {
     const { em, dynamicVariable, model } = this;
     this.removeListeners();
 
+    // @ts-ignore
     const type = dynamicVariable.get('type');
     let dataListeners: DataVariableListener[] = [];
     switch (type) {

packages/core/src/data_sources/model/conditional_variables/Condition.ts

@@ -1,7 +1,7 @@
 import { DataVariableDefinition, DataVariableType } from './../DataVariable';
 import EditorModel from '../../../editor/model/Editor';
 import { evaluateVariable, isDataVariable } from '../utils';
-import { Expression, LogicGroup } from './DataCondition';
+import { ExpressionDefinition, LogicGroupDefinition } from './DataCondition';
 import { LogicalGroupStatement } from './LogicalGroupStatement';
 import { Operator } from './operators';
 import { GenericOperation, GenericOperator } from './operators/GenericOperator';
@@ -11,10 +11,10 @@ import { StringOperator, StringOperation } from './operators/StringOperations';
 import { Model } from '../../../common';
 
 export class Condition extends Model {
-  private condition: Expression | LogicGroup | boolean;
+  private condition: ExpressionDefinition | LogicGroupDefinition | boolean;
   private em: EditorModel;
 
-  constructor(condition: Expression | LogicGroup | boolean, opts: { em: EditorModel }) {
+  constructor(condition: ExpressionDefinition | LogicGroupDefinition | boolean, opts: { em: EditorModel }) {
     super(condition);
     this.condition = condition;
     this.em = opts.em;
@@ -76,7 +76,10 @@ export class Condition extends Model {
   /**
    * Recursively extracts variables from expressions or logic groups.
    */
-  private extractVariables(condition: boolean | LogicGroup | Expression, variables: DataVariableDefinition[]): void {
+  private extractVariables(
+    condition: boolean | LogicGroupDefinition | ExpressionDefinition,
+    variables: DataVariableDefinition[],
+  ): void {
     if (this.isExpression(condition)) {
       if (isDataVariable(condition.left)) variables.push(condition.left);
       if (isDataVariable(condition.right)) variables.push(condition.right);
@@ -88,14 +91,14 @@ export class Condition extends Model {
   /**
    * Checks if a condition is a LogicGroup.
    */
-  private isLogicGroup(condition: any): condition is LogicGroup {
+  private isLogicGroup(condition: any): condition is LogicGroupDefinition {
     return condition && typeof condition.logicalOperator !== 'undefined' && Array.isArray(condition.statements);
   }
 
   /**
    * Checks if a condition is an Expression.
    */
-  private isExpression(condition: any): condition is Expression {
+  private isExpression(condition: any): condition is ExpressionDefinition {
     return condition && typeof condition.left !== 'undefined' && typeof condition.operator === 'string';
   }
 

packages/core/src/data_sources/model/conditional_variables/ConditionalComponent.ts

@@ -2,10 +2,10 @@ import Component from '../../../dom_components/model/Component';
 import Components from '../../../dom_components/model/Components';
 import { ComponentDefinition, ComponentOptions } from '../../../dom_components/model/types';
 import { toLowerCase } from '../../../utils/mixins';
-import { DataCondition, ConditionalVariableType, Expression, LogicGroup } from './DataCondition';
+import { DataCondition, ConditionalVariableType, ExpressionDefinition, LogicGroupDefinition } from './DataCondition';
 
 type ConditionalComponentDefinition = {
-  condition: Expression | LogicGroup | boolean;
+  condition: ExpressionDefinition | LogicGroupDefinition | boolean;
   ifTrue: any;
   ifFalse: any;
 };

packages/core/src/data_sources/model/conditional_variables/DataCondition.ts

@@ -10,40 +10,40 @@ import DataVariable, { DataVariableDefinition } from '../DataVariable';
 import { evaluateVariable, isDataVariable } from '../utils';
 
 export const ConditionalVariableType = 'conditional-variable';
-export type Expression = {
+export type ExpressionDefinition = {
   left: any;
   operator: GenericOperation | StringOperation | NumberOperation;
   right: any;
 };
 
-export type LogicGroup = {
+export type LogicGroupDefinition = {
   logicalOperator: LogicalOperation;
-  statements: (Expression | LogicGroup | boolean)[];
+  statements: (ExpressionDefinition | LogicGroupDefinition | boolean)[];
 };
 
+export type ConditionDefinition = ExpressionDefinition | LogicGroupDefinition | boolean;
 export type ConditionalVariableDefinition = {
   type: typeof ConditionalVariableType;
-  condition: Expression | LogicGroup | boolean;
+  condition: ConditionDefinition;
   ifTrue: any;
   ifFalse: any;
 };
 
-export class DataCondition extends Model {
+type DataConditionType = {
+  type: typeof ConditionalVariableType;
+  condition: Condition;
+  ifTrue: any;
+  ifFalse: any;
+};
+export class DataCondition extends Model<DataConditionType> {
   lastEvaluationResult: boolean;
   private condition: Condition;
   private em: EditorModel;
   private variableListeners: DynamicVariableListenerManager[] = [];
   private _onValueChange?: () => void;
 
-  defaults() {
-    return {
-      type: ConditionalVariableType,
-      condition: false,
-    };
-  }
-
   constructor(
-    condition: Expression | LogicGroup | boolean,
+    condition: ExpressionDefinition | LogicGroupDefinition | boolean,
     public ifTrue: any,
     public ifFalse: any,
     opts: { em: EditorModel; onValueChange?: () => void },
@@ -52,8 +52,14 @@ export class DataCondition extends Model {
       throw new MissingConditionError();
     }
 
-    super();
-    this.condition = new Condition(condition, { em: opts.em });
+    const conditionInstance = new Condition(condition, { em: opts.em });
+    super({
+      type: ConditionalVariableType,
+      condition: conditionInstance,
+      ifTrue,
+      ifFalse,
+    });
+    this.condition = conditionInstance;
     this.em = opts.em;
     this.lastEvaluationResult = this.evaluate();
     this.listenToDataVariables();

packages/core/src/data_sources/model/conditional_variables/LogicalGroupStatement.ts

@@ -1,5 +1,5 @@
 import { LogicalOperator } from './operators/LogicalOperator';
-import { Expression, LogicGroup } from './DataCondition';
+import { ExpressionDefinition, LogicGroupDefinition } from './DataCondition';
 import { Condition } from './Condition';
 import EditorModel from '../../../editor/model/Editor';
 
@@ -8,7 +8,7 @@ export class LogicalGroupStatement {
 
   constructor(
     private operator: LogicalOperator,
-    private statements: (Expression | LogicGroup | boolean)[],
+    private statements: (ExpressionDefinition | LogicGroupDefinition | boolean)[],
     opts: { em: EditorModel },
   ) {
     this.em = opts.em;

packages/core/src/data_sources/model/conditional_variables/operators/StringOperations.ts

@@ -5,6 +5,8 @@ export enum StringOperation {
   startsWith = 'startsWith',
   endsWith = 'endsWith',
   matchesRegex = 'matchesRegex',
+  equalsIgnoreCase = 'equalsIgnoreCase',
+  trimEquals = 'trimEquals',
 }
 
 export class StringOperator extends Operator {
@@ -12,7 +14,7 @@ export class StringOperator extends Operator {
     super();
   }
 
-  evaluate(left: string, right: string): boolean {
+  evaluate(left: string, right: string) {
     switch (this.operator) {
       case StringOperation.contains:
         return left.includes(right);
@@ -21,7 +23,12 @@ export class StringOperator extends Operator {
       case StringOperation.endsWith:
         return left.endsWith(right);
       case StringOperation.matchesRegex:
+        if (!right) throw new Error('Regex pattern must be provided.');
         return new RegExp(right).test(left);
+      case StringOperation.equalsIgnoreCase:
+        return left.toLowerCase() === right.toLowerCase();
+      case StringOperation.trimEquals:
+        return left.trim() === right.trim();
       default:
         throw new Error(`Unsupported string operator: ${this.operator}`);
     }

packages/core/test/specs/data_sources/model/conditional_variables/DataCondition.ts

@@ -1,8 +1,8 @@
 import { DataSourceManager } from '../../../../../src';
 import {
   DataCondition,
-  Expression,
-  LogicGroup,
+  ExpressionDefinition,
+  LogicGroupDefinition,
 } from '../../../../../src/data_sources/model/conditional_variables/DataCondition';
 import { GenericOperation } from '../../../../../src/data_sources/model/conditional_variables/operators/GenericOperator';
 import { LogicalOperation } from '../../../../../src/data_sources/model/conditional_variables/operators/LogicalOperator';
@@ -52,14 +52,14 @@ describe('DataCondition', () => {
 
   describe('Operator Tests', () => {
     test('should evaluate using GenericOperation operators', () => {
-      const condition: Expression = { left: 5, operator: GenericOperation.equals, right: 5 };
+      const condition: ExpressionDefinition = { left: 5, operator: GenericOperation.equals, right: 5 };
       const dataCondition = new DataCondition(condition, 'Equal', 'Not Equal', { em });
 
       expect(dataCondition.getDataValue()).toBe('Equal');
     });
 
     test('equals (false)', () => {
-      const condition: Expression = {
+      const condition: ExpressionDefinition = {
         left: 'hello',
         operator: GenericOperation.equals,
         right: 'world',
@@ -69,21 +69,21 @@ describe('DataCondition', () => {
     });
 
     test('should evaluate using StringOperation operators', () => {
-      const condition: Expression = { left: 'apple', operator: StringOperation.contains, right: 'app' };
+      const condition: ExpressionDefinition = { left: 'apple', operator: StringOperation.contains, right: 'app' };
       const dataCondition = new DataCondition(condition, 'Contains', "Doesn't contain", { em });
 
       expect(dataCondition.getDataValue()).toBe('Contains');
     });
 
     test('should evaluate using NumberOperation operators', () => {
-      const condition: Expression = { left: 10, operator: NumberOperation.lessThan, right: 15 };
+      const condition: ExpressionDefinition = { left: 10, operator: NumberOperation.lessThan, right: 15 };
       const dataCondition = new DataCondition(condition, 'Valid', 'Invalid', { em });
 
       expect(dataCondition.getDataValue()).toBe('Valid');
     });
 
     test('should evaluate using LogicalOperation operators', () => {
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.and,
         statements: [
           { left: true, operator: GenericOperation.equals, right: true },
@@ -103,7 +103,7 @@ describe('DataCondition', () => {
     });
 
     test('should evaluate complex nested conditions', () => {
-      const nestedLogicGroup: LogicGroup = {
+      const nestedLogicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.or,
         statements: [
           {
@@ -124,7 +124,7 @@ describe('DataCondition', () => {
 
   describe('LogicalGroup Tests', () => {
     test('should correctly handle AND logical operator', () => {
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.and,
         statements: [
           { left: true, operator: GenericOperation.equals, right: true },
@@ -137,7 +137,7 @@ describe('DataCondition', () => {
     });
 
     test('should correctly handle OR logical operator', () => {
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.or,
         statements: [
           { left: true, operator: GenericOperation.equals, right: false },
@@ -150,7 +150,7 @@ describe('DataCondition', () => {
     });
 
     test('should correctly handle XOR logical operator', () => {
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.xor,
         statements: [
           { left: true, operator: GenericOperation.equals, right: true },
@@ -164,7 +164,7 @@ describe('DataCondition', () => {
     });
 
     test('should handle nested logical groups', () => {
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.and,
         statements: [
           { left: true, operator: GenericOperation.equals, right: true },
@@ -183,7 +183,7 @@ describe('DataCondition', () => {
     });
 
     test('should handle groups with false conditions', () => {
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.and,
         statements: [
           { left: true, operator: GenericOperation.equals, right: true },
@@ -199,7 +199,7 @@ describe('DataCondition', () => {
 
   describe('Conditions with dataVariables', () => {
     test('should return "Yes" when dataVariable matches expected value', () => {
-      const condition: Expression = {
+      const condition: ExpressionDefinition = {
         left: { type: DataVariableType, path: 'USER_STATUS_SOURCE.USER_1.status' },
         operator: GenericOperation.equals,
         right: 'active',
@@ -210,7 +210,7 @@ describe('DataCondition', () => {
     });
 
     test('should return "No" when dataVariable does not match expected value', () => {
-      const condition: Expression = {
+      const condition: ExpressionDefinition = {
         left: { type: DataVariableType, path: 'USER_STATUS_SOURCE.USER_1.status' },
         operator: GenericOperation.equals,
         right: 'inactive',
@@ -222,7 +222,7 @@ describe('DataCondition', () => {
 
     // TODO: unskip after adding UndefinedOperator
     test.skip('should handle missing data variable gracefully', () => {
-      const condition: Expression = {
+      const condition: ExpressionDefinition = {
         left: { type: DataVariableType, path: 'USER_STATUS_SOURCE.not_a_user.status' },
         operator: GenericOperation.isDefined,
         right: undefined,
@@ -233,7 +233,7 @@ describe('DataCondition', () => {
     });
 
     test('should correctly compare numeric values from dataVariables', () => {
-      const condition: Expression = {
+      const condition: ExpressionDefinition = {
         left: { type: DataVariableType, path: 'USER_STATUS_SOURCE.USER_1.age' },
         operator: NumberOperation.greaterThan,
         right: 24,
@@ -249,7 +249,7 @@ describe('DataCondition', () => {
       };
       dsm.add(dataSource2);
 
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.and,
         statements: [
           {
@@ -270,7 +270,7 @@ describe('DataCondition', () => {
     });
 
     test('should handle nested logical conditions with data variables', () => {
-      const logicGroup: LogicGroup = {
+      const logicGroup: LogicGroupDefinition = {
         logicalOperator: LogicalOperation.or,
         statements: [
           {

packages/core/test/specs/data_sources/model/conditional_variables/operators/StringOperator.ts

@@ -52,6 +52,43 @@ describe('StringOperator', () => {
     });
   });
 
+  describe('Operator: equalsIgnoreCase', () => {
+    test('should return true when left equals right ignoring case', () => {
+      const operator = new StringOperator(StringOperation.equalsIgnoreCase);
+      expect(operator.evaluate('Hello World', 'hello world')).toBe(true);
+    });
+
+    test('should return false when left does not equal right ignoring case', () => {
+      const operator = new StringOperator(StringOperation.equalsIgnoreCase);
+      expect(operator.evaluate('Hello World', 'hello there')).toBe(false);
+    });
+
+    test('should handle empty strings correctly', () => {
+      const operator = new StringOperator(StringOperation.equalsIgnoreCase);
+      expect(operator.evaluate('', '')).toBe(true);
+      expect(operator.evaluate('Hello', '')).toBe(false);
+      expect(operator.evaluate('', 'Hello')).toBe(false);
+    });
+  });
+
+  describe('Operator: trimEquals', () => {
+    test('should return true when left equals right after trimming', () => {
+      const operator = new StringOperator(StringOperation.trimEquals);
+      expect(operator.evaluate('  Hello World  ', 'Hello World')).toBe(true);
+    });
+
+    test('should return false when left does not equal right after trimming', () => {
+      const operator = new StringOperator(StringOperation.trimEquals);
+      expect(operator.evaluate('  Hello World  ', 'Hello there')).toBe(false);
+    });
+
+    test('should handle cases with only whitespace', () => {
+      const operator = new StringOperator(StringOperation.trimEquals);
+      expect(operator.evaluate('   ', '')).toBe(true); // Both should trim to empty
+      expect(operator.evaluate('   ', 'non-empty')).toBe(false);
+    });
+  });
+
   describe('Edge Case Tests', () => {
     test('should return false for contains with empty right string', () => {
       const operator = new StringOperator(StringOperation.contains);