@devexpress/utils
Version:
DevExpress utils
31 lines (30 loc) • 1.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkFont = exports.addFontToDocument = exports.loadFont = exports.afterFontsLoaded = exports.fontWebApiAvailable = void 0;
function fontWebApiAvailable() {
return document.fonts && document.fonts.ready && document.fonts.ready.then;
}
exports.fontWebApiAvailable = fontWebApiAvailable;
function afterFontsLoaded(callback) {
document.fonts.ready.then(callback);
}
exports.afterFontsLoaded = afterFontsLoaded;
function loadFont(fontFamily, source, fontFaceDescriptors, callback) {
var font = new (window.FontFace)(fontFamily, source, fontFaceDescriptors);
font.load().then(function (loadedFace) {
addFontToDocument(loadedFace);
callback(null);
}).catch(function (error) {
return callback(error);
});
}
exports.loadFont = loadFont;
function addFontToDocument(loadedFace) {
document.fonts.add(loadedFace);
}
exports.addFontToDocument = addFontToDocument;
function checkFont(fontFamily, text) {
if (text === void 0) { text = 'b'; }
return document.fonts.check("12px '" + fontFamily + "'", text);
}
exports.checkFont = checkFont;