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Malicious npm Packages Inject SSH Backdoors via Typosquatted Libraries
Socket’s threat research team has detected six malicious npm packages typosquatting popular libraries to insert SSH backdoors.
A simple, efficient but comprehensive typechecking suite
In addition to native typechecking, it provides reliable behavior for:
$ npm install --save arc-is
var is = require('arc-is');
is(someUnknownVariable [,returnObjectType]);
Params
someUnknownVariable
is the variable you want to typecheck.returnObjectType
is optional and tells the function if you want it to return a complex type (non native) if available. If false, is() will always return a lowercase string, otherwise it will return a case sensitive string.Examples
var simpleObj = {};
is(simpleObj); //Returns 'object'
is(simpleObj,true); //Returns 'Object'
var es6global = new Map;
is(es6global); //Returns 'map'
is(es6global,true); //Returns 'Map'
class MyClass{ toString(){ return '[object '+this.constructor.name+']'; } }
is(new MyClass); //Returns 'object'
is(new MyClass,true); //Returns 'MyClass';
class MyArray extends Array{ return '[object '+this.constructor.name+']'; } }
is(new MyArray); //Returns 'array'
is(new MyArray,true); //Returns 'MyArray'
FAQs
Simple is() function for typechecking
We found that arc-is demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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