Dev Radar

Learn how to create dual-mode, cross-runtime JavaScript packages compatible with Node.js, Deno, and browsers.

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Dev Radar's Top Features

Compatibility with ESM and CommonJS

Support for Node.js, Deno, and browsers

Single codebase for multiple runtimes

Deno-to-Node-Tool (DNT) support

Conventional build tools utilization

Broad compatibility

Reduced maintenance efforts

Consistent API across environments

Streamlined development process

Seamless transition between environments

Frequently asked questions about Dev Radar

A dual-mode JavaScript package is compatible with both ECMAScript Modules (ESM) and CommonJS, making it adaptable for various environments.

Creating a dual-mode package ensures broader compatibility, reduces maintenance, and facilitates a seamless transition between different environments and module systems.

Cross-runtime packages support multiple environments, including Node.js, Deno, and browsers.

Cross-runtime packages provide a consistent API across different environments, enhancing compatibility and ease of use.

The Deno-first approach involves setting up a basic Deno library and using the Deno-to-Node-Tool (DNT) to add the build script for Node.js compatibility.

The Node-first approach uses conventional build tools to convert an existing NPM library to be compatible with Deno and other environments.

Dual-mode packages reduce maintenance by providing a single codebase that works across multiple environments, eliminating the need for environment-specific code.

The Deno-first approach uses the Deno-to-Node-Tool (DNT) to ensure compatibility with Node.js while developing primarily for Deno.

Yes, existing packages can be converted to dual-mode using either the Deno-first or Node-first approach, depending on the primary environment of development.

The main advantage is the ability to write code once and use it across multiple environments without modification, streamlining the development process and improving efficiency.