Fix calling tools JS

js/calling-tools/util.js

@@ -0,0 +1,88 @@
+// Derived from Chromium WebRTC Internals Dashboard - see Acknowledgements for full license details
+
+import {assert} from "./assert.js";
+export function $(id) {
+    const el = document.querySelector(`#${id}`);
+    if (el) {
+        assert(el instanceof HTMLElement);
+        return el
+    }
+    return null
+}
+export function getRequiredElement(id) {
+    const el = document.querySelector(`#${id}`);
+    assert(el);
+    assert(el instanceof HTMLElement);
+    return el
+}
+export function getDeepActiveElement() {
+    let a = document.activeElement;
+    while (a && a.shadowRoot && a.shadowRoot.activeElement) {
+        a = a.shadowRoot.activeElement
+    }
+    return a
+}
+export function isRTL() {
+    return document.documentElement.dir === "rtl"
+}
+export function appendParam(url, key, value) {
+    const param = encodeURIComponent(key) + "=" + encodeURIComponent(value);
+    if (url.indexOf("?") === -1) {
+        return url + "?" + param
+    }
+    return url + "&" + param
+}
+export function ensureTransitionEndEvent(el, timeOut) {
+    if (timeOut === undefined) {
+        const style = getComputedStyle(el);
+        timeOut = parseFloat(style.transitionDuration) * 1e3;
+        timeOut += 50
+    }
+    let fired = false;
+    el.addEventListener("transitionend", (function f() {
+        el.removeEventListener("transitionend", f);
+        fired = true
+    }
+    ));
+    window.setTimeout((function() {
+        if (!fired) {
+            el.dispatchEvent(new CustomEvent("transitionend",{
+                bubbles: true,
+                composed: true
+            }))
+        }
+    }
+    ), timeOut)
+}
+export function htmlEscape(original) {
+    return original.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&#39;")
+}
+export function quoteString(str) {
+    return str.replace(/([\\\.\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g, "\\$1")
+}
+export function listenOnce(target, eventNames, callback) {
+    const eventNamesArray = Array.isArray(eventNames) ? eventNames : eventNames.split(/ +/);
+    const removeAllAndCallCallback = function(event) {
+        eventNamesArray.forEach((function(eventName) {
+            target.removeEventListener(eventName, removeAllAndCallCallback, false)
+        }
+        ));
+        return callback(event)
+    };
+    eventNamesArray.forEach((function(eventName) {
+        target.addEventListener(eventName, removeAllAndCallCallback, false)
+    }
+    ))
+}
+export function hasKeyModifiers(e) {
+    return !!(e.altKey || e.ctrlKey || e.metaKey || e.shiftKey)
+}
+export function isUndoKeyboardEvent(event) {
+    if (event.key !== "z") {
+        return false
+    }
+    const excludedModifiers = [event.altKey, event.shiftKey, event.ctrlKey];
+    let targetModifier = event.ctrlKey;
+    targetModifier = event.metaKey;
+    return targetModifier && !excludedModifiers.some((modifier=>modifier))
+}