planning

node_modules/ol/has.js

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+/**
+ * @module ol/has
+ */
+var ua = typeof navigator !== 'undefined' && typeof navigator.userAgent !== 'undefined'
+    ? navigator.userAgent.toLowerCase()
+    : '';
+/**
+ * User agent string says we are dealing with Firefox as browser.
+ * @type {boolean}
+ */
+export var FIREFOX = ua.indexOf('firefox') !== -1;
+/**
+ * User agent string says we are dealing with Safari as browser.
+ * @type {boolean}
+ */
+export var SAFARI = ua.indexOf('safari') !== -1 && ua.indexOf('chrom') == -1;
+/**
+ * https://bugs.webkit.org/show_bug.cgi?id=237906
+ * @type {boolean}
+ */
+export var SAFARI_BUG_237906 = SAFARI &&
+    !!(ua.indexOf('version/15.4') >= 0 ||
+        ua.match(/cpu (os|iphone os) 15_4 like mac os x/));
+/**
+ * User agent string says we are dealing with a WebKit engine.
+ * @type {boolean}
+ */
+export var WEBKIT = ua.indexOf('webkit') !== -1 && ua.indexOf('edge') == -1;
+/**
+ * User agent string says we are dealing with a Mac as platform.
+ * @type {boolean}
+ */
+export var MAC = ua.indexOf('macintosh') !== -1;
+/**
+ * The ratio between physical pixels and device-independent pixels
+ * (dips) on the device (`window.devicePixelRatio`).
+ * @const
+ * @type {number}
+ * @api
+ */
+export var DEVICE_PIXEL_RATIO = typeof devicePixelRatio !== 'undefined' ? devicePixelRatio : 1;
+/**
+ * The execution context is a worker with OffscreenCanvas available.
+ * @const
+ * @type {boolean}
+ */
+export var WORKER_OFFSCREEN_CANVAS = typeof WorkerGlobalScope !== 'undefined' &&
+    typeof OffscreenCanvas !== 'undefined' &&
+    self instanceof WorkerGlobalScope; //eslint-disable-line
+/**
+ * Image.prototype.decode() is supported.
+ * @type {boolean}
+ */
+export var IMAGE_DECODE = typeof Image !== 'undefined' && Image.prototype.decode;
+/**
+ * @type {boolean}
+ */
+export var PASSIVE_EVENT_LISTENERS = (function () {
+    var passive = false;
+    try {
+        var options = Object.defineProperty({}, 'passive', {
+            get: function () {
+                passive = true;
+            },
+        });
+        window.addEventListener('_', null, options);
+        window.removeEventListener('_', null, options);
+    }
+    catch (error) {
+        // passive not supported
+    }
+    return passive;
+})();
+//# sourceMappingURL=has.js.map