khufu/lib/vars.js

A template language for incremental-dom or DSL for javascript views

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.set_var = set_var;
exports.get_var = get_var;

var _compiler = require('./compiler');

function set_var(path, name, expr) {
    path.scope.setData('khufu:binding:' + name, expr);
    path.scope.setData('khufu:store:state:' + name, null);
}

function get_var(path, name) {
    var anchor = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;

    var binding = path.scope.getData('khufu:binding:' + name);
    if (!binding && anchor) {
        throw (0, _compiler.parse_tree_error)("Unknown variable: " + name, anchor);
    }
    return binding;
}