feat: Many things

- Working Login/Logout
- Groundwork for web components
- Loading web-components with version tag
- Load temporal-polyfill globally

1 files changed, 224 insertions, 0 deletions

diff --git a/code/api/wwwroot/scripts/helpers.js b/code/api/wwwroot/scripts/helpers.js
new file mode 100644
index 0000000..411e55c
--- /dev/null
+++ b/code/api/wwwroot/scripts/helpers.js
@@ -0,0 +1,224 @@
+function element_has_focus(element) {
+    return element === document.activeElement;
+}
+
+function move_focus(element) {
+    if (!element) {
+        element = document.getElementsByTagName("body")[0];
+    }
+    element.focus();
+    if (!element_has_focus(element)) {
+        element.setAttribute("tabindex", "-1");
+        element.focus();
+    }
+}
+
+function create_element_from_object(elementOptions) {
+    return create_element(elementOptions.name, elementOptions.properties, elementOptions.children);
+}
+
+function create_element(name, properties, children) {
+    if (!name || name.length < 1) {
+        throw new Error("name is required");
+    }
+    const node = document.createElement(name);
+    if (properties) {
+        for (const [key, value] of Object.entries(properties)) {
+            node[key] = value;
+        }
+    }
+
+    if (children && children.length > 0) {
+        let actualChildren = children;
+        if (typeof children === "function") {
+            actualChildren = children();
+        }
+        for (const child of actualChildren) {
+            node.appendChild(child)
+        }
+    }
+    return node;
+}
+
+// https://stackoverflow.com/a/45215694/11961742
+function get_selected_options(domElement) {
+    const ret = [];
+
+    if (domElement.selectedOptions !== undefined) {
+        for (let i = 0; i < domElement.selectedOptions.length; i++) {
+            ret.push(domElement.selectedOptions[i].value);
+        }
+    } else {
+        for (let i = 0; i < domElement.options.length; i++) {
+            if (domElement.options[i].selected) {
+                ret.push(domElement.options[i].value);
+            }
+        }
+    }
+    return ret;
+}
+
+
+function get_element_position(element) {
+    if (!element) return {x: 0, y: 0};
+    let x = 0;
+    let y = 0;
+    while (true) {
+        x += element.offsetLeft;
+        y += element.offsetTop;
+        if (element.offsetParent === null) {
+            break;
+        }
+        element = element.offsetParent;
+    }
+    return {x, y};
+}
+
+function restrict_input_to_numbers(element, specials = [], mergeSpecialsWithDefaults = false) {
+    if (!element) return;
+    element.addEventListener("keydown", (e) => {
+        const defaultSpecials = ["Backspace", "ArrowLeft", "ArrowRight", "Tab"];
+        let keys = specials.length > 0 ? specials : defaultSpecials;
+        if (mergeSpecialsWithDefaults && specials) {
+            keys = [...specials, ...defaultSpecials];
+        }
+        if (keys.indexOf(e.key) !== -1) {
+            return;
+        }
+        if (isNaN(parseInt(e.key))) {
+            e.preventDefault();
+        }
+    });
+}
+
+//  A formatted version of a popular md5 implementation.
+//  Original copyright (c) Paul Johnston & Greg Holt.
+//  The function itself is now 42 lines long.
+//  https://stackoverflow.com/a/60467595 "Don't deny."
+function get_md5_hash(inputString) {
+    const hc = "0123456789abcdef";
+
+    function rh(n) {
+        var j, s = "";
+        for (j = 0; j <= 3; j++) s += hc.charAt((n >> (j * 8 + 4)) & 0x0F) + hc.charAt((n >> (j * 8)) & 0x0F);
+        return s;
+    }
+
+    function ad(x, y) {
+        var l = (x & 0xFFFF) + (y & 0xFFFF);
+        var m = (x >> 16) + (y >> 16) + (l >> 16);
+        return (m << 16) | (l & 0xFFFF);
+    }
+
+    function rl(n, c) {
+        return (n << c) | (n >>> (32 - c));
+    }
+
+    function cm(q, a, b, x, s, t) {
+        return ad(rl(ad(ad(a, q), ad(x, t)), s), b);
+    }
+
+    function ff(a, b, c, d, x, s, t) {
+        return cm((b & c) | ((~b) & d), a, b, x, s, t);
+    }
+
+    function gg(a, b, c, d, x, s, t) {
+        return cm((b & d) | (c & (~d)), a, b, x, s, t);
+    }
+
+    function hh(a, b, c, d, x, s, t) {
+        return cm(b ^ c ^ d, a, b, x, s, t);
+    }
+
+    function ii(a, b, c, d, x, s, t) {
+        return cm(c ^ (b | (~d)), a, b, x, s, t);
+    }
+
+    function sb(x) {
+        var i;
+        var nblk = ((x.length + 8) >> 6) + 1;
+        var blks = new Array(nblk * 16);
+        for (i = 0; i < nblk * 16; i++) blks[i] = 0;
+        for (i = 0; i < x.length; i++) blks[i >> 2] |= x.charCodeAt(i) << ((i % 4) * 8);
+        blks[i >> 2] |= 0x80 << ((i % 4) * 8);
+        blks[nblk * 16 - 2] = x.length * 8;
+        return blks;
+    }
+
+    var i, x = sb(inputString), a = 1732584193, b = -271733879, c = -1732584194, d = 271733878, olda, oldb, oldc, oldd;
+    for (i = 0; i < x.length; i += 16) {
+        olda = a;
+        oldb = b;
+        oldc = c;
+        oldd = d;
+        a = ff(a, b, c, d, x[i + 0], 7, -680876936);
+        d = ff(d, a, b, c, x[i + 1], 12, -389564586);
+        c = ff(c, d, a, b, x[i + 2], 17, 606105819);
+        b = ff(b, c, d, a, x[i + 3], 22, -1044525330);
+        a = ff(a, b, c, d, x[i + 4], 7, -176418897);
+        d = ff(d, a, b, c, x[i + 5], 12, 1200080426);
+        c = ff(c, d, a, b, x[i + 6], 17, -1473231341);
+        b = ff(b, c, d, a, x[i + 7], 22, -45705983);
+        a = ff(a, b, c, d, x[i + 8], 7, 1770035416);
+        d = ff(d, a, b, c, x[i + 9], 12, -1958414417);
+        c = ff(c, d, a, b, x[i + 10], 17, -42063);
+        b = ff(b, c, d, a, x[i + 11], 22, -1990404162);
+        a = ff(a, b, c, d, x[i + 12], 7, 1804603682);
+        d = ff(d, a, b, c, x[i + 13], 12, -40341101);
+        c = ff(c, d, a, b, x[i + 14], 17, -1502002290);
+        b = ff(b, c, d, a, x[i + 15], 22, 1236535329);
+        a = gg(a, b, c, d, x[i + 1], 5, -165796510);
+        d = gg(d, a, b, c, x[i + 6], 9, -1069501632);
+        c = gg(c, d, a, b, x[i + 11], 14, 643717713);
+        b = gg(b, c, d, a, x[i + 0], 20, -373897302);
+        a = gg(a, b, c, d, x[i + 5], 5, -701558691);
+        d = gg(d, a, b, c, x[i + 10], 9, 38016083);
+        c = gg(c, d, a, b, x[i + 15], 14, -660478335);
+        b = gg(b, c, d, a, x[i + 4], 20, -405537848);
+        a = gg(a, b, c, d, x[i + 9], 5, 568446438);
+        d = gg(d, a, b, c, x[i + 14], 9, -1019803690);
+        c = gg(c, d, a, b, x[i + 3], 14, -187363961);
+        b = gg(b, c, d, a, x[i + 8], 20, 1163531501);
+        a = gg(a, b, c, d, x[i + 13], 5, -1444681467);
+        d = gg(d, a, b, c, x[i + 2], 9, -51403784);
+        c = gg(c, d, a, b, x[i + 7], 14, 1735328473);
+        b = gg(b, c, d, a, x[i + 12], 20, -1926607734);
+        a = hh(a, b, c, d, x[i + 5], 4, -378558);
+        d = hh(d, a, b, c, x[i + 8], 11, -2022574463);
+        c = hh(c, d, a, b, x[i + 11], 16, 1839030562);
+        b = hh(b, c, d, a, x[i + 14], 23, -35309556);
+        a = hh(a, b, c, d, x[i + 1], 4, -1530992060);
+        d = hh(d, a, b, c, x[i + 4], 11, 1272893353);
+        c = hh(c, d, a, b, x[i + 7], 16, -155497632);
+        b = hh(b, c, d, a, x[i + 10], 23, -1094730640);
+        a = hh(a, b, c, d, x[i + 13], 4, 681279174);
+        d = hh(d, a, b, c, x[i + 0], 11, -358537222);
+        c = hh(c, d, a, b, x[i + 3], 16, -722521979);
+        b = hh(b, c, d, a, x[i + 6], 23, 76029189);
+        a = hh(a, b, c, d, x[i + 9], 4, -640364487);
+        d = hh(d, a, b, c, x[i + 12], 11, -421815835);
+        c = hh(c, d, a, b, x[i + 15], 16, 530742520);
+        b = hh(b, c, d, a, x[i + 2], 23, -995338651);
+        a = ii(a, b, c, d, x[i + 0], 6, -198630844);
+        d = ii(d, a, b, c, x[i + 7], 10, 1126891415);
+        c = ii(c, d, a, b, x[i + 14], 15, -1416354905);
+        b = ii(b, c, d, a, x[i + 5], 21, -57434055);
+        a = ii(a, b, c, d, x[i + 12], 6, 1700485571);
+        d = ii(d, a, b, c, x[i + 3], 10, -1894986606);
+        c = ii(c, d, a, b, x[i + 10], 15, -1051523);
+        b = ii(b, c, d, a, x[i + 1], 21, -2054922799);
+        a = ii(a, b, c, d, x[i + 8], 6, 1873313359);
+        d = ii(d, a, b, c, x[i + 15], 10, -30611744);
+        c = ii(c, d, a, b, x[i + 6], 15, -1560198380);
+        b = ii(b, c, d, a, x[i + 13], 21, 1309151649);
+        a = ii(a, b, c, d, x[i + 4], 6, -145523070);
+        d = ii(d, a, b, c, x[i + 11], 10, -1120210379);
+        c = ii(c, d, a, b, x[i + 2], 15, 718787259);
+        b = ii(b, c, d, a, x[i + 9], 21, -343485551);
+        a = ad(a, olda);
+        b = ad(b, oldb);
+        c = ad(c, oldc);
+        d = ad(d, oldd);
+    }
+    return rh(a) + rh(b) + rh(c) + rh(d);
+}
\ No newline at end of file