tiletype

detect common map tile formats from a buffer

type(buffer)

Given a buffer of unknown data, return either a format as an extension string or false if the type cannot be determined.

Potential options are:

• png
• pbf
• jpg
• webp

Parameters

parameter	type	description
buffer	Buffer	input

Returns String,boolean, identifier

headers(buffer)

Return headers - Content-Type and Content-Encoding - for a response containing this kind of image.

Parameters

parameter	type	description
buffer	Buffer	input

Returns Object, headers

dimensions(buffer, dimensions)

Determine the width and height of an image contained in a buffer, returned as a [x, y] array.

Parameters

parameter	type	description
buffer	Buffer	input
dimensions	Array,boolean

Installation

Requires nodejs.

$ npm install @mapbox/tiletype

Tests

$ npm test