all files / mapbox-gl-draw/src/ options.js

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const xtend = require('xtend');
const Constants = require('./constants');
 
const defaultOptions = {
  defaultMode: Constants.modes.SIMPLE_SELECT,
  position: 'top-left',
  keybindings: true,
  clickBuffer: 2,
  boxSelect: true,
  displayControlsDefault: true,
  styles: require('./lib/theme'),
  controls: {}
};
 
const showControls = {
  point: true,
  line_string: true,
  polygon: true,
  trash: true,
  combine_features: true,
  uncombine_features: true
};
 
const hideControls = {
  point: false,
  line_string: false,
  polygon: false,
  trash: false,
  combine_features: false,
  uncombine_features: false
};
 
function addSources(styles, sourceBucket) {
  return styles.map(style => {
    Iif (style.source) return style;
    return xtend(style, {
      id: `${style.id}.${sourceBucket}`,
      source: (sourceBucket === 'hot') ? Constants.sources.HOT : Constants.sources.COLD
    });
  });
}
 
module.exports = function(options = {}) {
  let withDefaults = xtend(options);
 
  if (!options.controls) {
    withDefaults.controls = {};
  }
 
  if (options.displayControlsDefault === false) {
    withDefaults.controls = xtend(hideControls, options.controls);
  } else {
    withDefaults.controls = xtend(showControls, options.controls);
  }
 
  withDefaults = xtend(defaultOptions, withDefaults);
 
  // Layers with a shared source should be adjacent for performance reasons
  withDefaults.styles = addSources(withDefaults.styles, 'cold').concat(addSources(withDefaults.styles, 'hot'));
 
  return withDefaults;
};