js-rule

js-rule

JavaScript implementation of the rules engine

Features

• Single or multiple Condition、Action
• Chain call Rule, eg: A->B->C
• Multiple Condition setting ANY, ALL, NONE
• Condition setting NOT、INCLUDE、EQUAL、NOT_EQUAL、GREATER、GREATER_EQUAL、LESS、LESS_EQUAL ...
• Custom Condition Operation

Install

npm install js-rule

Usage

Use the program to indicate

if ((filedA.value === 10) & ["B1", "B2"].includes(filedB.value)) {
  filedC.visible = true;
  filedC.value = "C1";
}

Description using Rule

import { Engine, Rule, ConditionOperationEnum } from "js-rule";

const engine = new Engine();

// Add a rule where Condition is ANY
// ANY: Action is triggered whenever a Condition holds
const rule = new Rule(ConditionOperationEnum.ANY);

/* set condition */
// When the value of 'FiledA' is equal to 10 and the value of 'FieldB' contains "B1" or "B2" is discarded
rule.condition.addCondition("FieldA", "EQUAL", 10);
rule.condition.addCondition("FieldB", "INCLUDE", ["B1", "B1"]);

/* set action */
rule.action.addAction("FieldC", {
  show: true,
  value: "C1",
});

// register rule
engine.addRule(rule);

Submit data

// getAllRuleDetails --> format: JSON
engine.getAllRuleDetails();

// getRules --> format: Original Rule
engine.getRules();

DOCS

• TODO