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Data Theft Repackaged: A Case Study in Malicious Wrapper Packages on npm
The Socket Research Team breaks down a malicious wrapper package that uses obfuscation to harvest credentials and exfiltrate sensitive data.
Partially applied functions are really cool. However, partial application doesn't work too well for functions that use objects to emulate named arguments. Since that's such a common idiom in JS, we made this library to handle it.
var
xhr = require('some-xhr-lib'),
fillopts = require('fillopts'); // Or use the global or AMD in the browser.
// Create a new function with some options prefilled.
var myXHR = fillopts(xhr, {method: 'GET'});
// Call our function with some more options.
myXHR({url: 'http://example.com'}, callback);
// The above is equivalent to this:
xhr({method: 'GET', url: 'http://example.com'}, callback);
or use chaining:
var myXHR = fillopts(xhr).withOpts({method: 'GET'});
myXHR({url: 'http://example.com'}, callback);
You can also fill opts that aren't in the first position by passing an index. All of the following are equivalent:
fillopts(f, {name: 'Crusher'}, 1)();
fillopts(f).withOpts({name: 'Crusher'}, 1)();
f(undefined, {name: 'Crusher'});
FAQs
Partial application for functions that accept options objects.
We found that fillopts 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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