react-blessed/dist/update.js

A react renderer for blessed.

/**
 * React Blessed Update Schemes
 * =============================
 *
 * Applying updates to blessed nodes correctly.
 */
'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports['default'] = update;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

var RAW_ATTRIBUTES = [

// Alignment, Orientation & Presentation
'align', 'valign', 'orientation', 'shrink', 'padding', 'tags', 'shadow',

// Font-related
'font', 'fontBold', 'fch', 'ch', 'bold', 'underline',

// Flags
'clickable', 'input', 'keyable', 'focused', 'hidden', 'visible', 'scrollable', 'draggable', 'interactive',

// Position
'left', 'right', 'top', 'bottom', 'aleft', 'aright', 'atop', 'abottom',

// Size
'width', 'height',

// Misc
'name', 'hoverText'];

/**
 * Updates the given blessed node.
 *
 * @param {BlessedNode} node    - Node to update.
 * @param {object}      options - Props of the component without children.
 */

function update(node, options) {

  // TODO: enforce some kind of shallow equality?
  // TODO: handle position

  for (var key in options) {
    var value = options[key];

    // Setting label
    if (key === 'label') node.setLabel(value);

    // Setting content
    else if (key === 'content') node.setContent(value);

      // Updating style
      else if (key === 'style') node.style = _lodash2['default'].merge({}, node.style, value);

        // Updating items
        else if (key === 'items') node.setItems(value);

          // Border edge case
          else if (key === 'border') node.border = _lodash2['default'].merge({}, node.border, value);

            // Progress bar
            else if (key === 'filled' && node.filled !== value) node.setProgress(value);

              // Raw attributes
              else for (var i = 0, l = RAW_ATTRIBUTES.length; i < l; i++) {
                  if (key === RAW_ATTRIBUTES[i]) {
                    node[key] = value;
                    break;
                  }
                }
  }
}

module.exports = exports['default'];