38 lines
1.2 KiB
JavaScript
38 lines
1.2 KiB
JavaScript
"use strict";
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// Shim to wrap req.respond while preserving callback-passing API
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var mbgl = require('../../lib/mapbox_gl_native.node');
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var constructor = mbgl.Map.prototype.constructor;
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var process = require('process');
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var Map = function(options) {
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if (!(options instanceof Object)) {
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throw TypeError("Requires an options object as first argument");
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}
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if (!options.hasOwnProperty('request') || !(options.request instanceof Function)) {
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throw TypeError("Options object must have a 'request' method");
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}
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var request = options.request;
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return new constructor(Object.assign(options, {
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request: function(req) {
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request(req, function() {
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var args = arguments;
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// Protect against `request` implementations that call the callback synchronously.
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// http://blog.izs.me/post/59142742143/designing-apis-for-asynchrony
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process.nextTick(function() {
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req.respond.apply(req, args);
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});
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});
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}
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}));
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};
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Map.prototype = mbgl.Map.prototype;
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Map.prototype.constructor = Map;
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module.exports = Object.assign(mbgl, { Map: Map });
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