// Exports
// -------
// Parse `input` as Markdown, as executes the code in every fenced code block
// in order. Returns the value of the last expression in the last block.
function evaluate(input, filename, optConfig) {
var ast = parser.parse(input);
var walker = walk('children');
var config = defaults(optConfig || {}, DEFAULT_CONFIG);
var env = new Environment(filename, config);
var result;
var script = '';
walker.preorder(ast, function(node, key, parent) {
var contents = getExecutableContents(node);
if (contents) script += contents;
});
if (script) {
var cwd = process.cwd();
if (config.workingDir !== cwd) {
process.chdir(config.workingDir);
}
result = vm.runInNewContext(script, env, filename);
process.chdir(cwd);
}
return result;
}
function toHTML(markdown) {
return writer.render(reader.parse(markdown))
}
exports.run = function(data) {
return renderer.render(parser.parse(data));
}
export default (markdown) => writer.render(reader.parse(markdown))