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@unmap/core

v0.14.0

Published

unmap tile math and gateway URL helpers (zero-dependency, isomorphic)

Vulnerabilities

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Links

Git

Maintainers

mepa1363mepa1363

Keywords

unmapmapscanadamaplibretilesweb-mercator

Readme

@unmap/core

Zero-dependency helpers shared by every @unmap/* package: gateway URL builders and Web Mercator tile math. Isomorphic; nothing here touches the DOM.

npm i @unmap/core
import { styleUrl, tileUrl, lngLatToTile, tileToBBox, DEFAULT_GATEWAY, MAX_ZOOM } from '@unmap/core'

styleUrl('um_live_...', 'muted', { mode: 'dark', lang: 'fr' })
// https://api.unmap.dev/styles/muted.json?key=…&mode=dark&lang=fr

tileUrl('um_live_...')
// https://api.unmap.dev/tiles/{z}/{x}/{y}?key=…

lngLatToTile(-114.07, 51.05, 11)   // { z: 11, x: 375, y: 685 }
tileToBBox({ z: 11, x: 375, y: 685 }) // [west, south, east, north]

styleUrl also accepts gateway and theme. MAX_ZOOM is 14, the depth of the tile archive. The gateway endpoints these URLs point at are documented at unmap.dev/docs/apis/maps.