Underscore.string is a comprehensive JavaScript library designed to augment native string capabilities, offering a wide array of utility functions for common string manipulations. Originally conceived as an extension for Underscore.js, it has evolved into a fully standalone utility, capable of independent use. The current stable version is 3.3.6. It provides functionalities such as `slugify` for URL-friendly strings, `numberFormat` for localized number formatting, `capitalize` for proper casing, and `levenshtein` for calculating string edit distances. While it can be integrated with Underscore.js or Lo-Dash via mixins, this approach is discouraged due to potential naming conflicts with core methods like `include` and `reverse`. The library is consumable in Node.js environments using CommonJS `require` statements and in browsers through a UMD build, which exposes a global `s` object. A key architectural advantage is the ability to import individual functions, which significantly helps in reducing bundle sizes when using module bundlers like Browserify or Webpack, as opposed to including the entire library. Its release cadence has transitioned from frequent updates to a more maintenance-focused schedule, with the last significant update being the 3.x series, followed by minor patches. It remains a robust option for projects requiring extensive string utility functions.
npm install underscore.stringVerified import paths — ran on the pinned version, not inferred.
Demonstrates requiring the full library for chaining and individual functions for specific utilities, alongside a number formatting example.
Consult the 3.0.0 changelog (https://github.com/epeli/underscore.string/blob/master/CHANGELOG.markdown#300) for a comprehensive list of changes and adapt your code accordingly.
It is generally not recommended to use the `mixin` approach. Prefer importing `underscore.string` as a standalone object (`var s = require('underscore.string')`) and calling its methods directly (e.g., `s.slugify(...)`).To optimize bundle size, import individual functions directly, e.g., `var slugify = require('underscore.string/slugify');`. This allows tree-shaking (if configured) to eliminate unused code.For Node.js, ensure you have `var s = require('underscore.string');` at the top of your file. For browsers, ensure `underscore.string.js` is loaded via a `<script>` tag before your code executes, or via an AMD loader.Avoid using `_.mixin(s.exports())`. Instead, use `underscore.string` as a standalone module (e.g., `s.include(...)`) or use the equivalent functions provided by Underscore.js/Lo-Dash directly.
For CommonJS environments, use `var s = require('underscore.string');`. If you need ESM syntax, ensure your project is configured to treat files as ES Modules (e.g., `"type": "module"` in `package.json`) and/or use a bundler/transpiler like Babel or Webpack.No dependency data recorded yet.