49 lines
1.1 KiB
TypeScript
49 lines
1.1 KiB
TypeScript
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import { Deferred } from "evt/tools/Deferred";
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export function appendHead(
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params: {
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type: "css";
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href: string;
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} | {
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type: "javascript";
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src: string;
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}
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) {
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const htmlElement = document.createElement(
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(() => {
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switch (params.type) {
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case "css": return "link";
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case "javascript": return "script";
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}
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})()
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);
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const dLoaded = new Deferred<void>();
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htmlElement.addEventListener("load", () => dLoaded.resolve());
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Object.assign(
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htmlElement,
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(() => {
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switch (params.type) {
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case "css": return {
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"href": params.href,
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"type": "text/css",
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"rel": "stylesheet",
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"media": "screen,print"
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};
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case "javascript": return {
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"src": params.src,
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"type": "text/javascript",
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};
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}
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})()
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);
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document.getElementsByTagName("head")[0].appendChild(htmlElement);
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return dLoaded.pr;
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}
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