A command-line interface for the Caja language. The caja CLI allows you to execute .caja scripts, as well as encode and decode them into transportable token strings.

You can install the Caja CLI globally using npm:

npm install -g @caja/cli

Parse and evaluate a .caja script file to execute it.

caja run -f <file.caja>

• -f, --file: The path to the .caja script file.
• -e, --export (Optional): File name to export log values to (e.g., data.csv).

Encode a .caja script file and its dependencies into a single base64-like token string.

caja encode -f <file.caja>

• -f, --file: The path to the script to encode.

Decode a token string back into its original .caja script modules and save them to a directory.

caja decode <token> -o <output_dir>

• -o, --output: Directory path to save the decoded scripts (use -o . for the current directory).

Retrieve the currently installed version of the Caja CLI.

caja --version

::: tip Before running this script, make sure to install the std and query packages:

npm install @caja/std npm install @caja/query :::

Create a file named test.caja:

import "@caja/std"
import "@caja/query"

let isEven = fn(x: Number) -> Boolean {
    return x % 2 == 0
}

let powerTwo = fn(x: Number) -> Number {
    return x ^ 2
}

let add_numbers = fn(acc: Number, current: Number) -> Number {
    return acc + current
}

let result = std.range(1, 10)
    |> query.filter(isEven) 
    |> query.map(powerTwo)
    |> query.reduce(add_numbers, 0)

return result

Run it using the CLI:

caja run -f test.caja