A small library that can be used to check objects for certain properties.
npm install property-checker
const propCheck = require('property-checker');
propCheck.isString(string);
propCheck.isNumber(number);
propCheck.isFloat(number);
propCheck.isSymbol(symbol)
propCheck.isArray(array);
propCheck.is2dArray(array);
propCheck.isObject(object);
propCheck.isPopulatedArray(array);
propCheck.doesArrayContain(array, property);
propCheck.propertiesExist(object);
propCheck.doesPropertyExist(object, property);
propCheck.doesAnyPropertyExist(object, arrayOfProperties);
propCheck.doAllPropertiesExist(object, arrayOfProperties);
propCheck.isReadOnly(object, property);
propCheck.isPropertyEnumerable(object, property);
propcheck.isPropertyConfigurable(object, property);
All outputs are Booleans