function click()

in modules/behavior/draw.js [123:165]

• 27 lines of code
• 18 McCabe index (conditional complexity)

    function click() {
        var d = datum();
        var target = d && d.properties && d.properties.entity;

        var mode = context.mode();

        var targetGeometry = target && target.geometry(context.graph());

        if (target && target.type === 'node') {   // Snap to a node

            if (targetGeometry !== 'vertex' && !context.presets().allowsVertex(target, context.graph())) return;

            if (mode.id === 'add-point') {
                if (!schemaManager.canSnapNodeWithTagsToNode(mode.defaultTags, target, context.graph())) return;
            }

            dispatch.call('clickNode', this, target, d);

        } else if (target && target.type === 'way') {   // Snap to a way

            if (mode.id === 'add-point') {
                if (!mode.preset.matchGeometry('vertex')) return;

                if (!schemaManager.canAddNodeWithTagsToWay(mode.defaultTags, target, context.graph())) return;
            }

            var choice = geoChooseEdge(
                context.childNodes(target), context.mouse(), context.projection, context.activeID()
            );
            if (!choice) return;

            var edge = [target.nodes[choice.index - 1], target.nodes[choice.index]];

            dispatch.call('clickWay', this, choice.loc, edge, d);

        } else {

            if (mode.id === 'add-point' && !mode.preset.matchGeometry('point')) return;

            dispatch.call('click', this, context.map().mouseCoordinates(), d);
        }

    }