From 7aa203150fc1a2ec79c681c13f0d486d531746eb Mon Sep 17 00:00:00 2001
From: George Halkiadakis <gchalkiadakis@sklavenitis.co.gr>
Date: Sun, 12 Mar 2023 23:57:48 +0200
Subject: error pages; js system to support back/front-end

---
 html/assets/js/utils/dom.js | 68 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 html/assets/js/utils/dom.js

(limited to 'html/assets/js/utils/dom.js')

diff --git a/html/assets/js/utils/dom.js b/html/assets/js/utils/dom.js
new file mode 100644
index 0000000..78f3562
--- /dev/null
+++ b/html/assets/js/utils/dom.js
@@ -0,0 +1,68 @@
+define(function () {
+    const reduce = (elements, fn, initialValue) => {
+        return Array.prototype.reduce.call(elements, fn, initialValue);
+    }
+
+    const forEach = (elements, fn) => {
+        Array.prototype.forEach.call(elements, fn);
+    }
+    const map = (elements, fn) => {
+        return Array.prototype.map.call(elements, fn);
+    }
+
+    const replace = (toReplace, replacement) => {
+        var parentElement = toReplace.parentElement
+        if (parentElement) {
+            parentElement.replaceChild(replacement, toReplace);
+        }
+    }
+
+    const matches = (element, selector) => {
+        var m = element.matches
+            || Element.prototype.matchesSelector
+            || Element.prototype.mozMatchesSelector
+            || Element.prototype.msMatchesSelector
+            || Element.prototype.oMatchesSelector
+            || Element.prototype.webkitMatchesSelector;
+        return m.call(element, selector);
+    }
+    
+    const closest = (element, selector) => {
+        while (element) {
+            if (matches(element, selector)) {
+                return element;
+            } else {
+                element = element.parentElement;
+            }
+        }
+        return null;
+    }
+    const isFunction = (input) => (typeof input === "function");
+    const dispatchEvent = (eventName, data) => {
+        let event;
+        if (window.CustomEvent && isFunction(window.CustomEvent)) {
+            event = new CustomEvent(eventName, { detail: data, cancelable: true, bubbles: false });
+        } else {
+            event = document.createEvent('CustomEvent');
+            event.initCustomEvent(eventName, false, true, data);
+        }
+        return window.document.dispatchEvent(event);
+    }
+    
+    const parseHtml = (htmlString) => {
+        const c = document.createElement('div');
+        c.innerHTML = htmlString.trim();
+        return c.firstChild;
+    }
+
+    return {
+        dispatchEvent,
+        closest,
+        matches,
+        reduce,
+        map,
+        forEach,
+        replace,
+        parseHtml
+    };
+});
\ No newline at end of file
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