@toba/map/cjs/transform.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const tools_1 = require("@toba/tools");
const node_fetch_1 = __importDefault(require("node-fetch"));
const _1 = require(".");
function relabel(from, out, labels) {
    Object.keys(labels).forEach(key => {
        if (tools_1.is.defined(from, key)) {
            out[labels[key]] = from[key];
        }
    });
}
exports.relabel = relabel;
async function load(url) {
    const reply = await node_fetch_1.default(url, {
        headers: { [tools_1.Header.UserAgent]: 'node.js' }
    });
    return reply.status !== tools_1.HttpStatus.OK
        ? console.error(`Attempt to GET ${url} returned ${reply.status}`)
        : reply.buffer();
}
exports.load = load;
async function loadSource(key) {
    const s = _1.config.source[key];
    const data = await load(s.url);
    if (tools_1.is.value(data)) {
        switch (s.type) {
            case 2:
            case 1:
                console.error(`Unsupported map source ${s.type} at ${s.url}`);
                return null;
            case 0:
            default: {
                const doc = await _1.kml.fromKMZ(data);
                return _1.geoJSON.featuresFromKML(doc, s.transform);
            }
        }
    }
    return null;
}
exports.loadSource = loadSource;