import { World, Commands, BlockTypes, BlockPermutation, BlockProperties, BlockInventoryComponentContainer, BlockInventoryComponent, BlockLocation, Items, ItemStack } from 'Minecraft';

function print(msg) { 
    Commands.run('say ' + msg); 
}

let gameTick = 0;
World.events.tick.subscribe(() => {
  gameTick++;
  if (gameTick === 20) {
    gameTick = 0;
    const block = World.getDimension("overworld").getBlock(new BlockLocation(-32, 64, 14));
    if (block.getBlockData().getType().getName() !== BlockTypes.chest.getName()) {
      block.setType(BlockTypes.chest);
    }
    const inventoryComponent = block.getComponent("inventory");
    for (const key in inventoryComponent) {
      print(key);
    }
    //Comment the code below, the code will run normally
    const inventoryContainer = inventoryComponent.container;
  }
});

for (const key in inventoryComponent) {
  print(key);
}

const inventoryComponent = block.getComponent("inventory");
let inventoryContainer;
for (let i in inventoryComponent) {
  inventoryContainer = inventoryComponent[i];
  break;
}
print(typeof inventoryContainer);

for (const key in inventoryContainer) {
      print(key);
}