Merge branch 'master' into features/v7.3

Author: danish-khan-I

docs/engine.md

@@ -236,7 +236,7 @@ engine.addOperatorDecorator('caseInsensitive', (factValue, jsonValue, next) => {
   return next(factValue.toLowerCase(), jsonValue.toLowerCase())
 })
 
-engine.removeOperator('first');
+engine.removeOperatorDecorator('first');
 ```
 
 ### engine.setCondition(String name, Object conditions)

src/rule.js

@@ -101,6 +101,7 @@ class Rule extends EventEmitter {
     this.ruleEvent = {
       type: event.type
     }
+    this.event = this.ruleEvent
     if (event.params) this.ruleEvent.params = event.params
     return this
   }

test/rule.test.js

@@ -30,6 +30,7 @@ describe('Rule', () => {
       expect(rule.priority).to.eql(opts.priority)
       expect(rule.conditions).to.eql(opts.conditions)
       expect(rule.ruleEvent).to.eql(opts.event)
+      expect(rule.event).to.eql(opts.event)
       expect(rule.name).to.eql(opts.name)
     })
 
@@ -52,6 +53,7 @@ describe('Rule', () => {
       expect(rule.priority).to.eql(opts.priority)
       expect(rule.conditions).to.eql(opts.conditions)
       expect(rule.ruleEvent).to.eql(opts.event)
+      expect(rule.event).to.eql(opts.event)
       expect(rule.name).to.eql(opts.name)
     })
   })
@@ -322,6 +324,7 @@ describe('Rule', () => {
       expect(hydratedRule.conditions).to.eql(rule.conditions)
       expect(hydratedRule.priority).to.eql(rule.priority)
       expect(hydratedRule.ruleEvent).to.eql(rule.ruleEvent)
+      expect(hydratedRule.event).to.eql(rule.event)
       expect(hydratedRule.name).to.eql(rule.name)
     })
 
@@ -333,6 +336,7 @@ describe('Rule', () => {
       expect(hydratedRule.conditions).to.eql(rule.conditions)
       expect(hydratedRule.priority).to.eql(rule.priority)
       expect(hydratedRule.ruleEvent).to.eql(rule.ruleEvent)
+      expect(hydratedRule.event).to.eql(rule.event)
       expect(hydratedRule.name).to.eql(rule.name)
     })
   })

types/index.d.ts

@@ -175,7 +175,11 @@ export class Rule implements RuleProperties {
   constructor(ruleProps: RuleProperties | string);
   name: string;
   conditions: TopLevelCondition;
-  event: Event;
+  /**
+   * @deprecated Use {@link Rule.event} instead.
+   */
+  ruleEvent: Event;
+  event: Event
   priority: number;
   setConditions(conditions: TopLevelCondition): this;
   setEvent(event: Event): this;