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src/lib/tools/appendHead.ts

@@ -0,0 +1,49 @@
+
+import { Deferred } from "evt/tools/Deferred";
+
+export function appendHead(
+    params: {
+        type: "css";
+        href: string;
+    } | {
+        type: "javascript";
+        src: string;
+    }
+) {
+
+    const htmlElement = document.createElement(
+        (() => {
+            switch (params.type) {
+                case "css": return "link";
+                case "javascript": return "script";
+            }
+        })()
+    );
+
+    const dLoaded = new Deferred<void>();
+
+    htmlElement.addEventListener("load", () => dLoaded.resolve());
+
+    Object.assign(
+        htmlElement,
+        (() => {
+            switch (params.type) {
+                case "css": return {
+                    "href": params.href,
+                    "type": "text/css",
+                    "rel": "stylesheet",
+                    "media": "screen,print"
+                };
+                case "javascript": return {
+                    "src": params.src,
+                    "type": "text/javascript",
+                };
+            }
+        })()
+    );
+
+    document.getElementsByTagName("head")[0].appendChild(htmlElement);
+
+    return dLoaded.pr;
+
+}

src/lib/tools/appendLinkInHead.ts

@@ -1,24 +0,0 @@
-
-export function appendLinkInHead(
-    props: {
-        href: string;
-    }
-) {
-
-    const { href } = props;
-
-    var link = document.createElement("link");
-
-    Object.assign(
-        link,
-        {
-            href,
-            "type": "text/css",
-            "rel": "stylesheet",
-            "media": "screen,print"
-        }
-    );
-
-    document.getElementsByTagName("head")[0].appendChild(link);
-
-}

src/lib/tools/appendScriptInHead.ts

@@ -1,22 +0,0 @@
-
-export function appendScriptInHead(
-    props: {
-        src: string;
-    }
-) {
-
-    const { src } = props;
-
-    var script = document.createElement("script");
-
-    Object.assign(
-        script,
-        {
-            src,
-            "type": "text/javascript",
-        }
-    );
-
-    document.getElementsByTagName("head")[0].appendChild(script);
-
-}