updateState()

in modules/core/src/lib/layer.js [317:347]

• 29 lines of code
• 15 McCabe index (conditional complexity)

  updateState({oldProps, props, context, changeFlags}) {
    const attributeManager = this.getAttributeManager();
    if (changeFlags.dataChanged && attributeManager) {
      const {dataChanged} = changeFlags;
      if (Array.isArray(dataChanged)) {
        // is partial update
        for (const dataRange of dataChanged) {
          attributeManager.invalidateAll(dataRange);
        }
      } else {
        attributeManager.invalidateAll();
      }
    }

    const neededPickingBuffer = oldProps.highlightedObjectIndex >= 0 || oldProps.pickable;
    const needPickingBuffer = props.highlightedObjectIndex >= 0 || props.pickable;
    if (neededPickingBuffer !== needPickingBuffer && attributeManager) {
      const {pickingColors, instancePickingColors} = attributeManager.attributes;
      const pickingColorsAttribute = pickingColors || instancePickingColors;
      if (pickingColorsAttribute) {
        if (needPickingBuffer && pickingColorsAttribute.constant) {
          pickingColorsAttribute.constant = false;
          attributeManager.invalidate(pickingColorsAttribute.id);
        }
        if (!pickingColorsAttribute.value && !needPickingBuffer) {
          pickingColorsAttribute.constant = true;
          pickingColorsAttribute.value = [0, 0, 0];
        }
      }
    }
  }