RunKit + npm: json-conditions

var checkConditions = require("json-conditions") const objectToTest = { toy: { engines: 1, }, batteries: 'AA', fun: true, }; const simpleRules = [ // required: true means This first condition must always be satisfied { property: 'fun', op: 'eq', value: true, required: true }, { property: 'toy.engines', op: 'gt', value: 2 }, { property: 'batteries', op: 'present' }, ]; // Returns true checkConditions({ rules: simpleRules, satisfy: 'ANY', // or ALL to require all conditions to pass log: console.log, }, objectToTest);