Dependency injection DSL for JavaScript

di.sjs

macro emitQuery {
	case { _ $id:ident } => {
		letstx $name = [makeValue(#{$id}[0].token.value, #{$id})];
		letstx $registry = [makeIdent('registry', #{$id})];
		return #{ var $id = $registry.query($name) }
	}
}

macro inject {
	case { _ $id:ident (,) ... { $body ...} } => {
		return #{
			(function() {
				$(emitQuery $id) (;) ...
				$body ...
			})()
		}
	}
}

var registry = require('registry');

inject scope, http {
	http.get('/', {query: scope.query}).then(render);
}