node_modules/@mapbox/vector-tile/lib/vectortile.js

'use strict';

var VectorTileLayer = require('./vectortilelayer');

module.exports = VectorTile;

function VectorTile(pbf, end) {
    this.layers = pbf.readFields(readTile, {}, end);
}

function readTile(tag, layers, pbf) {
    if (tag === 3) {
        var layer = new VectorTileLayer(pbf, pbf.readVarint() + pbf.pos);
        if (layer.length) layers[layer.name] = layer;
    }
}