45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
import { onMounted, onBeforeUnmount } from 'vue';
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import { isBrowser } from './utils';
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let fontsReady;
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let isFontReady;
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const init = () => {
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var _a, _b;
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fontsReady = isBrowser ? (_b = (_a = document) === null || _a === void 0 ? void 0 : _a.fonts) === null || _b === void 0 ? void 0 : _b.ready : undefined;
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isFontReady = false;
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/* istanbul ignore if */
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if (fontsReady !== undefined) {
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void fontsReady.then(() => {
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isFontReady = true;
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});
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}
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else {
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isFontReady = true;
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}
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};
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init();
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// For testing
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export { init };
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/**
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* Call callback on fontsReady is resolved. If fontsReady is already resolved,
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* callback won't be called.
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*/
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export default function onFontsReady(cb) {
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/* istanbul ignore next */
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if (isFontReady)
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return;
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let deactivated = false;
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onMounted(() => {
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/* istanbul ignore next */
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if (!isFontReady) {
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fontsReady === null || fontsReady === void 0 ? void 0 : fontsReady.then(() => {
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if (deactivated)
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return;
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cb();
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});
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}
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});
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onBeforeUnmount(() => {
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deactivated = true;
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});
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}
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