30 lines
560 B
JavaScript
30 lines
560 B
JavaScript
goog.provide('ol.layer.xyz');
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/**
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* @export
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* @param {Object} opt_arg Config object.
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* @return {ol.layer.XYZ}
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*/
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ol.layer.xyz = function(opt_arg) {
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if (opt_arg instanceof ol.layer.XYZ) {
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return opt_arg;
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}
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/** @type {string} */
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var url;
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var usage = 'ol.layer.xyz accepts an object with a "url" property';
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if (goog.isObject(opt_arg)) {
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url = opt_arg['url'];
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} else {
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throw new Error(usage);
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}
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if (!goog.isDef(url)) {
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throw new Error(usage);
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}
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return new ol.layer.XYZ(url);
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};
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