更新

2026-08-11 17:41:36 +08:00
parent cfe4c82c90
commit 03fe4ddf9d
18771 changed files with 3617239 additions and 0 deletions
@@ -0,0 +1,18 @@
+var Emitter = require('./Emitter');
+var MediaQuery = require('./MediaQuery');
+var m = new MediaQuery('(resolution: '.concat(get(), 'dppx)'));
+exports = {
+    get: get
+};
+Emitter.mixin(exports);
+function get() {
+    return window.devicePixelRatio || 1;
+}
+function change() {
+    var dpr = get();
+    m.setQuery('(resolution: '.concat(dpr, 'dppx)'));
+    exports.emit('change', dpr);
+}
+m.on('unmatch', change);
+
+module.exports = exports;