Expr Editor

Expr Editor is a robust JavaScript-based editor designed for working with Expr expressions. Engineered for practical engineering needs, it comes with features such as syntax highlighting, code completion, and error checking to streamline your coding and debugging process.

Features​

Syntax Highlighting​

Full support for all Expr expressions.

Autocomplete​

Autocomplete for built-in functions, operators, variables, and you own environment. For both map and struct fields.

type Env struct {
    Posts []Post `expr:"posts"`
}

type Post struct {
    Body string
    Date time.Time
}

Linting​

Error checking for Expr expressions.

Folding​

Folding of parentheses for long expressions.

Matching Brackets​

Highlighting of matching brackets for Expr expressions.

Rainbow Brackets​

Coloring of brackets based on their nesting level.

Themes​

Built-in themes for light and dark mode. You can also use any themes for CodeMirror editor.

Flexible Integration​

Expr Editor is framework-agnostic and can be integrated into any JavaScript environment. Whether you’re using React, Vue, Angular, or plain JavaScript, Expr Editor is designed to fit seamlessly into your workflow. This flexibility makes it an ideal choice for a wide range of projects, from modern web applications to traditional setups.

• Backend Integration: Expr Editor can work with a Go backend to provide advanced autocomplete and linting features, ensuring that suggestions and error checks are accurate and up-to-date.
• WASM Support: Alternatively, the editor can run with WebAssembly, offering a portable, web-optimized experience without relying on server-side integration.

Use Cases​

• Integrated Development: Embed Expr Editor in your app or web application for live expression development.
• Playground Integration: Used in the Playground, it allows users to experiment with and test Expr expressions.
• Custom Applications: Leverage the editor in bespoke solutions where dynamic expression evaluation is critical.

Distribution and Licensing​

Expr Editor is distributed as minified JavaScript with TypeScript definitions. For those who require full transparency and the ability to modify the code, the original source code isavailable for purchase.

Licensing is flexible:

• Business License: Suitable for enterprise or commercial applications.
• MIT License: For open-source projects, or those who prefer an MIT-licensed solution.

For further licensing details or specific requirements, please contact me directly.

Pricing​

Expr Editor comes with flexible pricing tailored to your project’s needs. To discuss options and determine the best fit for your budget, please get in touch with me.