Method removeBlock

src/components/modules/blockManager.ts:525–565

* Remove passed Block * * @param block - Block to remove * @param addLastBlock - if true, adds new default block at the end. @todo remove this logic and use event-bus instead

(block: Block, addLastBlock = true)

   * @param addLastBlock - if true, adds new default block at the end. @todo remove this logic and use event-bus instead
   */
  public removeBlock(block: Block, addLastBlock = true): Promise<void> {
    return new Promise((resolve) => {
      const index = this._blocks.indexOf(block);

      /**
       * If index is not passed and there is no block selected, show a warning
       */
      if (!this.validateIndex(index)) {
        throw new Error('Can\'t find a Block to remove');
      }

      this._blocks.remove(index);
      block.destroy();

      /**
       * Force call of didMutated event on Block removal
       */
      this.blockDidMutated(BlockRemovedMutationType, block, {
        index,
      });

      if (this.currentBlockIndex >= index) {
        this.currentBlockIndex--;
      }

      /**
       * If first Block was removed, insert new Initial Block and set focus on it`s first input
       */
      if (!this.blocks.length) {
        this.unsetCurrentBlock();

        if (addLastBlock) {
          this.insert();
        }
      } else if (index === 0) {
        this.currentBlockIndex = 0;
      }

      resolve();
    });
  }

  /**
   * Remove only selected Blocks