@progress/kendo-ui/migrations/2014-3-1119/_shared.cjs

This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.

'use strict';

const listViewMessageProps = ['loadMoreText', 'pullTemplate', 'releaseTemplate', 'refreshTemplate'];
const scrollerMessageProps = ['pullTemplate', 'releaseTemplate', 'refreshTemplate'];

function transformMessagesNesting(root, j, widgetName, messageProps) {
  let changed = false;

  root.find(j.CallExpression)
    .filter(path => {
      const callee = path.value.callee;
      return (
        j.MemberExpression.check(callee) &&
        callee.property.name === widgetName
      );
    })
    .forEach(path => {
      const args = path.value.arguments;
      args.forEach(arg => {
        if (!j.ObjectExpression.check(arg)) {
          return;
        }

        const propsToMove = [];
        const propsToKeep = [];

        arg.properties.forEach(prop => {
          if (!j.Property.check(prop)) {
            propsToKeep.push(prop);
            return;
          }
          const key = prop.key.name || prop.key.value;
          if (messageProps.includes(key)) {
            propsToMove.push(prop);
          } else {
            propsToKeep.push(prop);
          }
        });

        if (propsToMove.length === 0) {
          return;
        }

        const existingMessages = propsToKeep.find(p =>
          j.Property.check(p) &&
          (p.key.name === 'messages' || p.key.value === 'messages')
        );

        if (existingMessages && j.ObjectExpression.check(existingMessages.value)) {
          propsToMove.forEach(p => existingMessages.value.properties.push(p));
        } else {
          const messagesObj = j.objectExpression(propsToMove);
          propsToKeep.push(
            j.property('init', j.identifier('messages'), messagesObj)
          );
        }

        arg.properties = propsToKeep;
        changed = true;
      });
    });

  return changed;
}

function transformListViewMessages(root, j) {
  return transformMessagesNesting(root, j, 'kendoMobileListView', listViewMessageProps);
}

function transformScrollerMessages(root, j) {
  return transformMessagesNesting(root, j, 'kendoMobileScroller', scrollerMessageProps);
}

module.exports = {
  listViewMessageProps,
  scrollerMessageProps,
  transformListViewMessages,
  transformScrollerMessages,
};