handleClick()

in modules/edit-modes/src/lib/split-polygon-mode.ts [101:142]

• 32 lines of code
• 9 McCabe index (conditional complexity)

  handleClick(event: ClickEvent, props: ModeProps<FeatureCollection>) {
    const tentativeFeature = this.getTentativeGuide(props);

    const selectedGeometry = this.getSelectedGeometry(props);

    if (!selectedGeometry) {
      // eslint-disable-next-line no-console,no-undef
      console.warn('A polygon must be selected for splitting');
      return;
    }

    const clickSequence = this.getClickSequence();
    if (tentativeFeature && tentativeFeature.geometry.type === 'LineString') {
      clickSequence.push(
        tentativeFeature.geometry.coordinates[tentativeFeature.geometry.coordinates.length - 1]
      );
    } else {
      this.addClickSequence(event);
    }

    const pt: Point = {
      type: 'Point',
      coordinates: clickSequence[clickSequence.length - 1],
    };

    // @ts-expect-error turf types diff
    const isPointInPolygon = booleanPointInPolygon(pt, selectedGeometry);
    if (clickSequence.length > 1 && tentativeFeature && !isPointInPolygon) {
      this.resetClickSequence();
      // @ts-expect-error narrow type
      const isLineInterectingWithPolygon = lineIntersect(tentativeFeature, selectedGeometry);
      if (isLineInterectingWithPolygon.features.length === 0) {
        return;
      }

      const editAction = this.splitPolygon(tentativeFeature, props);

      if (editAction) {
        props.onEdit(editAction);
      }
    }
  }