| 1 | "use strict";
|
| 2 | Object.defineProperty(exports, "__esModule", { value: true });
|
| 3 | exports.init = void 0;
|
| 4 | var common_1 = require("../common");
|
| 5 | function init() {
|
| 6 | var importStylesheet = function (url) {
|
| 7 | if (!common_1.is.browser) {
|
| 8 | return res;
|
| 9 | }
|
| 10 | if (exists('style', url)) {
|
| 11 | return res;
|
| 12 | }
|
| 13 | var head = document.head;
|
| 14 | var style = document.createElement('style');
|
| 15 | style.type = 'text/css';
|
| 16 | var css = "@import url('" + url + "')";
|
| 17 | style.dataset.url = url;
|
| 18 | style.appendChild(document.createTextNode(css));
|
| 19 | head.appendChild(style);
|
| 20 | return res;
|
| 21 | };
|
| 22 | var res = {
|
| 23 | importStylesheet: importStylesheet,
|
| 24 | };
|
| 25 | return res;
|
| 26 | }
|
| 27 | exports.init = init;
|
| 28 | function exists(tag, url) {
|
| 29 | return common_1.is.browser ? Boolean(findByUrl(tag, url)) : false;
|
| 30 | }
|
| 31 | function findByUrl(tag, url) {
|
| 32 | if (common_1.is.browser) {
|
| 33 | var items = Array.from(document.getElementsByTagName(tag));
|
| 34 | return items.find(function (style) { return style.dataset.url === url; });
|
| 35 | }
|
| 36 | else {
|
| 37 | return undefined;
|
| 38 | }
|
| 39 | }
|