@exadel/esl
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Exadel Smart Library (ESL) is the lightweight custom elements library that provide a set of super-flexible components
36 lines (35 loc) • 1.53 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var ESLScreenDPR_1;
import { ExportNs } from '../../../esl-utils/environment/export-ns';
import { isSafari } from '../../../esl-utils/environment/device-detector';
/**
* DPR preprocessor. Used to replace DPR shortcuts.
* @author Alexey Stsefanovich (ala'n)
*
* @implements IMediaQueryPreprocessor statically
*/
let ESLScreenDPR = ESLScreenDPR_1 = class ESLScreenDPR {
static toDPI(dpr) {
return (96 * dpr).toFixed(1);
}
static process(match) {
if (!ESLScreenDPR_1.VALUE_REGEXP.test(match))
return;
const dpr = parseFloat(match);
if (dpr < 0 || isNaN(dpr))
return;
if (isSafari)
return `(-webkit-min-device-pixel-ratio: ${dpr})`;
return `(min-resolution: ${ESLScreenDPR_1.toDPI(dpr)}dpi)`;
}
};
ESLScreenDPR.VALUE_REGEXP = /(\d(\.\d)?)x/;
ESLScreenDPR = ESLScreenDPR_1 = __decorate([
ExportNs('ScreenDPR')
], ESLScreenDPR);
export { ESLScreenDPR };