function render()

in modules/ui/preset_icon.js [394:445]
45 lines of code
33 McCabe index (conditional complexity)

  function render() {
    let p = _preset.apply(this, arguments);
    let geom = _geometry ? _geometry.apply(this, arguments) : null;
    if (geom === 'relation' &&
      p.tags &&
      ((p.tags.type === 'route' && p.tags.route && routeSegments[p.tags.route]) || p.tags.type === 'waterway')) {
      geom = 'route';
    }

    const showThirdPartyIcons = prefs('preferences.privacy.thirdpartyicons') || 'true';
    const isFallback = isSmall() && p.isFallback && p.isFallback();
    const imageURL = (showThirdPartyIcons === 'true') && p.imageURL;
    const picon = getIcon(p, geom);
    const isCategory = !p.setTags;
    const drawPoint = picon && geom === 'point' && isSmall() && !isFallback;
    const drawVertex = picon !== null && geom === 'vertex' && (!isSmall() || !isFallback);
    const drawLine = picon && geom === 'line' && !isFallback && !isCategory;
    const drawArea = picon && geom === 'area' && !isFallback && !isCategory;
    const drawRoute = picon && geom === 'route';
    const isFramed = drawVertex || drawArea || drawLine || drawRoute || isCategory;

    let tags = !isCategory ? p.setTags({}, geom) : {};
    for (let k in tags) {
      if (tags[k] === '*') {
        tags[k] = 'yes';
      }
    }

    let tagClasses = svgTagClasses().getClassesString(tags, '');
    let selection = d3_select(this);

    let container = selection.selectAll('.preset-icon-container')
      .data([0]);

    container = container.enter()
      .append('div')
      .attr('class', `preset-icon-container ${_sizeClass}`)
      .merge(container);

    container
      .classed('showing-img', !!imageURL)
      .classed('fallback', isFallback);

    renderCategoryBorder(container, isCategory && p);
    renderPointBorder(container, drawPoint);
    renderCircleFill(container, drawVertex);
    renderSquareFill(container, drawArea, tagClasses);
    renderLine(container, drawLine, tagClasses);
    renderRoute(container, drawRoute, p);
    renderSvgIcon(container, picon, geom, isFramed, isCategory, tagClasses);
    renderImageIcon(container, imageURL);
  }