Safer check for window.screen

This commit is contained in:
ahocevar
2019-01-25 11:59:19 +01:00
parent 3e6425db86
commit 164635f28c

View File

@@ -75,8 +75,9 @@ class TileSource extends Source {
if (tileGrid) {
toSize(tileGrid.getTileSize(tileGrid.getMinZoom()), tileSize);
}
const width = screen ? (screen.availWidth || screen.width) : 1920;
const height = screen ? (screen.availHeight || screen.height) : 1080;
const canUseScreen = 'screen ' in self;
const width = canUseScreen ? (screen.availWidth || screen.width) : 1920;
const height = canUseScreen ? (screen.availHeight || screen.height) : 1080;
cacheSize = 2 * Math.ceil(width / tileSize[0]) * Math.ceil(height / tileSize[1]);
}