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rspec-given VS SystemJS

Compare rspec-given VS SystemJS and see what are their differences

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rspec-given logo rspec-given

Given/When/Then keywords for RSpec Specifications https://github.com/jimweirich/rspec-given

SystemJS logo SystemJS

Configurable module loader enabling dynamic ES module workflows in browsers and NodeJS.
  • rspec-given Landing page
    Landing page //
    2023-10-18
  • SystemJS Landing page
    Landing page //
    2022-11-06

rspec-given features and specs

No features have been listed yet.

SystemJS features and specs

  • Universal Module Loader
    SystemJS supports loading modules in various formats, such as AMD, CommonJS, and ES modules, providing versatility in deploying applications with different module specifications.
  • Dynamic Imports
    SystemJS enables dynamic loading of modules, which allows for lazy loading of parts of applications. This can lead to performance improvements by asynchronously loading only the necessary parts of your application.
  • Compatibility
    SystemJS provides compatibility across different JavaScript environments, making it a suitable choice for projects that require running code on both browsers and Node.js.
  • Extensibility
    With a plugin system that lets developers extend its capabilities, SystemJS can be customized to handle specific loading scenarios or integrate more seamlessly with different build processes or frameworks.

Possible disadvantages of SystemJS

  • Complexity
    The flexibility and extensive feature set of SystemJS can introduce complexity in configurations and require a learning curve for new developers, particularly with its extensive plugin ecosystem.
  • Performance Overhead
    Because SystemJS is a global loader, it introduces additional runtime overhead compared to using native ES modules or simpler bundling solutions, which might impact performance.
  • Reduced Relevance with ES Modules
    With the native support for ES modules in modern browsers, the need for SystemJS has decreased, as developers can often achieve the desired module functionality with built-in browser capabilities.
  • Complex Debugging
    SystemJS's dynamic loading and transformations can make debugging more challenging, as developers may struggle with source mapping or understanding how modules are resolved.

rspec-given videos

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SystemJS videos

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Javascript Tutorial - SystemJS intro

More videos:

  • Review - Learn Angular 2 in 21 Days: Day 2 Layout, SystemJS and Components

Category Popularity

0-100% (relative to rspec-given and SystemJS)

rspec-given

SystemJS

Front End Package Manager
23 23%
Front End Package Manager
77% 77
JS Build Tools
0 0%
JS Build Tools
100% 100
Developer Tools
100 100%
Developer Tools
0% 0
Testing
100 100%
Testing
0% 0

User comments

Share your experience with using rspec-given and SystemJS. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, SystemJS should be more popular than rspec-given. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

rspec-given mentions (1)

  • History of RSpec
    What you wish for is embedded in When and And. Check it out: https://github.com/jimweirich/rspec-given. - Source: Hacker News / over 4 years ago

SystemJS mentions (4)

  • Integrate Web Component/MFE with plain static HTML
    Using the SystemJS library, we can seamlessly integrate a web component or MFE, or even import any module at runtime. - Source: dev.to / about 1 year ago
  • Rails upgrade to angular 2
    I would like to upgrade my existing Rails and Angular 1.x application. I'm following the ng-upgrade documentation and seeing that there are many dependencies including systemjs, typescript, tsd and a few other javascript libraries. Ideally there would be a angular-2 gem that would have all the dependencies but I'm not able to find that. Next I looked for gem's for each dependency but there isn't one for tsd. Source: over 2 years ago
  • Modern SPAs without bundlers, CDNs, or Node.js
    There's also https://github.com/systemjs/systemjs if you want more of a ponyfill approach. FWIW bundlers also don't use the browser's functionality to load modules... - Source: Hacker News / over 2 years ago
  • JS Modules
    A module loader interprets and loads a module written in a certain module format at runtime. Popular examples are RequireJS and SystemJS. - Source: dev.to / over 4 years ago

What are some alternatives?

When comparing rspec-given and SystemJS, you can also consider the following products

RequireJS - RequireJS is a JavaScript file and module loader.

Webpack - Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.

stealjs - Futuristic JavaScript dependency loader and builder. Speeds up application load times. Works with ES6, CommonJS, AMD, CSS, LESS and more. Simplifies modular workflows.

Jasmine - Behavior-Driven JavaScript

EyeJS - A JavaScript testing framework for the real world.

Qoopido.demand - Browser only, promise like and extremely lightweight module loader using XHR/XDR requests and localStorage caching to dynamically load JavaScript modules, JSON, HTML, CSS, text and Bundles (single script containing multiple concatenated modules) wit…

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