serializeExpression

serializeExpression.js

function serializeExpression(expression) {
  if (expression.type === 'MessageReference') {
    return expression.id.name;
  }

  if (expression.type === 'ExternalArgument') {
    return '$' + expression.id.name;
  }

  if (expression.type === 'NumberExpression') {
    return expression.value || expression.val.value;
  }

  if (expression.type === 'StringExpression') {
    return '"' + (expression.value || expression.val.value) + '"';
  }

  if (expression.type === 'NamedArgument') {
    return expression.name.name + ': ' + serializeExpression(expression.val);
  }

  if (expression.type === 'CallExpression') {
    var args = [];

    expression.args.forEach(function (arg) {
      args.push(serializeExpression(arg));
    });

    return expression.callee.name + '(' + args.join(', ') + ')';
  }
}