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2023-07-12 16:31:19 +01:00
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+/*!
+{
+  "name": "Low Battery Level",
+  "property": "lowbattery",
+  "tags": ["hardware", "mobile"],
+  "builderAliases": ["battery_level"],
+  "authors": ["Paul Sayre"],
+  "notes": [{
+    "name": "MDN Docs",
+    "href": "https://developer.mozilla.org/en-US/docs/Web/API/Navigator/battery"
+  }]
+}
+!*/
+/* DOC
+Enable a developer to remove CPU intensive CSS/JS when battery is low
+*/
+define(['Modernizr', 'prefixed'], function(Modernizr, prefixed) {
+  Modernizr.addTest('lowbattery', function() {
+    var minLevel = 0.20;
+    var battery = prefixed('battery', navigator);
+    return !!(battery && !battery.charging && battery.level <= minLevel);
+  });
+});