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