TileState

TileState: "loading" | "loaded" | "reloading" | "unloaded" | "errored" | "expired"

The tile’s state, can be:

• loading Tile data is in the process of loading.
• loaded Tile data has been loaded. Tile can be rendered.
• reloading Tile data has been loaded and is being updated. Tile can be rendered.
• unloaded Tile data has been deleted.
• errored Tile data was not loaded because of an error.
• expired Tile data was previously loaded, but has expired per its HTTP headers and is in the process of refreshing.