Usage no npm install needed!

<script type="module">
  import slippyBbox from 'https://cdn.skypack.dev/slippy-bbox';
</script>

README

slippy-bbox

calculate a bounding box for a slippy map (x,y,zoom) coordinate

implementation based on this java code

var slippyBBox = require('slippy-bbox')
var bbox = slippyBBox(2,14,5) // x,y,zoom
console.log(bbox) // west,south,east,north

output:

[ -157.5, 11.178401873711792, -146.25, 21.943045533438177 ]

var slippyBBox = require('slippy-bbox')

Calculate bbox, a [west,south,east,north] array in lon/lat degrees for the slippy map coordinates x,y,zoom.

npm install slippy-bbox

BSD