clojure-lite

Disclaimer: this is a super-immature toy project :bowtie:

clojure-lite compiles an extremely small subset of clojure to JavaScript. That's pretty much all it does. Have fun!

It currently lets you:

• define and refer variables
• define and call functions

Other quirks:

• the standard library is limited to +, -, *, and /
• there's only one type: number

Example

(def PI 3.141592653589793)
(defn area [radius] (* PI radius radius))
(area 5)

is compiled to:

const __lib = {};
__lib['*'] = function (...args) {
  return args.reduce((acc, curr) => acc * curr, 1);
};
let PI = 3.141592653589793;
function area(radius) {
  return __lib['*'](PI, radius, radius);
}
area(5);

Usage

Programmatic:

$ npm install clojure-lite --save

const cl = require('clojure-lite');

const compile = _.compose(
  cl.codegen,
  cl.parser,
  cl.lexer
);

const code = compile('(def answer 42)');

CLI:

$ npm install -g clojure-lite

$ echo '(def answer 42)' | cl > code.js

Credits

• lexer heavily inspired by [click].
• parser & codegen heavily inspired by [click].