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make sure the check doesn't blow up

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This commit is contained in:
Bruno Windels 2019-05-29 12:03:38 +02:00
parent ba54b16275
commit 5c8e280a45
1 changed files with 16 additions and 12 deletions
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28
src/utils/FontManager.js
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@ -22,18 +22,22 @@ limitations under the License.
*/
function safariVersionCheck(ua) {
const safariVersionMatch = ua.match(/Mac OS X ([\d|_]+).*Version\/([\d|\.]+) Safari/);
if (safariVersionMatch) {
const macOSVersionStr = safariVersionMatch[1];
const safariVersionStr = safariVersionMatch[2];
const macOSVersion = macOSVersionStr.split("_").map(n => parseInt(n, 10));
const safariVersion = safariVersionStr.split(".").map(n => parseInt(n, 10));
const colrFontSupported = macOSVersion[0] >= 10 && macOSVersion[1] >= 14 && safariVersion[0] >= 12;
// https://www.colorfonts.wtf/ states safari supports COLR fonts from this version on
console.log(`Browser is Safari - requiring macOS 10.14 and Safari 12,` +
`detected Safari ${safariVersionStr} on macOS ${macOSVersionStr},` +
`supported: ${colrFontSupported}`);
return colrFontSupported;
try {
const safariVersionMatch = ua.match(/Mac OS X ([\d|_]+).*Version\/([\d|\.]+) Safari/);
if (safariVersionMatch) {
const macOSVersionStr = safariVersionMatch[1];
const safariVersionStr = safariVersionMatch[2];
const macOSVersion = macOSVersionStr.split("_").map(n => parseInt(n, 10));
const safariVersion = safariVersionStr.split(".").map(n => parseInt(n, 10));
const colrFontSupported = macOSVersion[0] >= 10 && macOSVersion[1] >= 14 && safariVersion[0] >= 12;
// https://www.colorfonts.wtf/ states safari supports COLR fonts from this version on
console.log(`Browser is Safari - requiring macOS 10.14 and Safari 12,` +
`detected Safari ${safariVersionStr} on macOS ${macOSVersionStr},` +
`supported: ${colrFontSupported}`);
return colrFontSupported;
}
} catch (err) {
console.error("Couldn't determine Safari version to check COLR font support, assuming no.", err);
}
return false;
}