Token Utilities

A collection of utilities to aid in creating and editing Tokens

downloadImage

Downloads an image from AWS S3 with a given filename, to the filepath.

placeTinyToken

Returns the bounding coordinates of the image where a TINY sized token should be placed.

applyTokensToGrid

Takes a downloaded image and an array of tokens, and applies those tokens to the map. margin is also required to apply the correct offset from the axes at the edges of the Map.

uploadMap

Uploads an image buffer to a channel with a specified mapId and tokens. Requires the following environment variables to be set;

Name	Description
MAPS_TABLE	DynamoDB Table Name for the Maps data
MAPS_BUCKET	S3 Bucket Name that stores the Map images

validateMapData

Checks whether the map data for a specific channelId is valid. This means it has a baseMap and currentMap that are found in the Maps database.

validateTokenPosition

Given a single token and grid specification, this will check if the token can fit inside the grid and return this as a boolean value.