kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
120 lines • 4.9 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MapContext = void 0;
var React = require("react");
var react_1 = require("react");
var use_map_1 = require("./use-map");
var mapbox_1 = require("../mapbox/mapbox");
var create_ref_1 = require("../mapbox/create-ref");
var use_isomorphic_layout_effect_1 = require("../utils/use-isomorphic-layout-effect");
var set_globals_1 = require("../utils/set-globals");
exports.MapContext = React.createContext(null);
function Map(props, ref, defaultLib) {
var mountedMapsContext = (0, react_1.useContext)(use_map_1.MountedMapsContext);
var _a = __read((0, react_1.useState)(null), 2), mapInstance = _a[0], setMapInstance = _a[1];
var containerRef = (0, react_1.useRef)();
var contextValue = (0, react_1.useRef)({ mapLib: null, map: null }).current;
(0, react_1.useEffect)(function () {
var mapLib = props.mapLib;
var isMounted = true;
var mapbox;
Promise.resolve(mapLib || defaultLib)
.then(function (module) {
if (!isMounted) {
return;
}
if (!module) {
throw new Error('Invalid mapLib');
}
var mapboxgl = 'Map' in module ? module : module.default;
if (!mapboxgl.Map) {
throw new Error('Invalid mapLib');
}
// workerUrl & workerClass may change the result of supported()
// https://github.com/visgl/react-map-gl/discussions/2027
(0, set_globals_1.default)(mapboxgl, props);
if (!mapboxgl.supported || mapboxgl.supported(props)) {
if (props.reuseMaps) {
mapbox = mapbox_1.default.reuse(props, containerRef.current);
}
if (!mapbox) {
mapbox = new mapbox_1.default(mapboxgl.Map, props, containerRef.current);
}
contextValue.map = (0, create_ref_1.default)(mapbox);
contextValue.mapLib = mapboxgl;
setMapInstance(mapbox);
mountedMapsContext === null || mountedMapsContext === void 0 ? void 0 : mountedMapsContext.onMapMount(contextValue.map, props.id);
}
else {
throw new Error('Map is not supported by this browser');
}
})
.catch(function (error) {
var onError = props.onError;
if (onError) {
onError({
type: 'error',
target: null,
originalEvent: null,
error: error
});
}
else {
console.error(error); // eslint-disable-line
}
});
return function () {
isMounted = false;
if (mapbox) {
mountedMapsContext === null || mountedMapsContext === void 0 ? void 0 : mountedMapsContext.onMapUnmount(props.id);
if (props.reuseMaps) {
mapbox.recycle();
}
else {
mapbox.destroy();
}
}
};
}, []);
(0, use_isomorphic_layout_effect_1.default)(function () {
if (mapInstance) {
mapInstance.setProps(props);
}
});
(0, react_1.useImperativeHandle)(ref, function () { return contextValue.map; }, [mapInstance]);
var style = (0, react_1.useMemo)(function () { return (__assign({ position: 'relative', width: '100%', height: '100%' }, props.style)); }, [props.style]);
var CHILD_CONTAINER_STYLE = {
height: '100%'
};
return (React.createElement("div", { id: props.id, ref: containerRef, style: style }, mapInstance && (React.createElement(exports.MapContext.Provider, { value: contextValue },
React.createElement("div", { "mapboxgl-children": "", style: CHILD_CONTAINER_STYLE }, props.children)))));
}
exports.default = Map;
//# sourceMappingURL=map.js.map