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-rw-r--r--code/frontend/src/utils/_fetch.ts93
-rw-r--r--code/frontend/src/utils/colors.ts47
-rw-r--r--code/frontend/src/utils/crypto-helpers.ts49
-rw-r--r--code/frontend/src/utils/global-state.ts22
-rw-r--r--code/frontend/src/utils/misc-helpers.ts77
-rw-r--r--code/frontend/src/utils/persistent-store.ts110
-rw-r--r--code/frontend/src/utils/storage-helpers.ts26
-rw-r--r--code/frontend/src/utils/testing-helpers.ts7
-rw-r--r--code/frontend/src/utils/ui.ts56
-rw-r--r--code/frontend/src/utils/validators.ts34
10 files changed, 521 insertions, 0 deletions
diff --git a/code/frontend/src/utils/_fetch.ts b/code/frontend/src/utils/_fetch.ts
new file mode 100644
index 0000000..f884653
--- /dev/null
+++ b/code/frontend/src/utils/_fetch.ts
@@ -0,0 +1,93 @@
+import { Temporal } from "temporal-polyfill";
+import { redirect } from "@sveltejs/kit";
+import { browser } from "$app/environment";
+import { goto } from "$app/navigation";
+import { SignInPageMessage, signInPageMessageQueryKey } from "$routes/(main)/(public)/sign-in";
+import { AccountService } from "$services/account-service";
+
+
+export async function http_post_async(url: string, body?: object | string, timeout = -1, skip_401_check = false, abort_signal?: AbortSignal): Promise<Response> {
+ const init = make_request_init("post", body, abort_signal);
+ const response = await internal_fetch_async({ url, init, timeout });
+ if (!skip_401_check && await redirect_if_401_async(response)) throw new Error("Server returned 401");
+ return response;
+}
+
+export async function http_get_async(url: string, timeout = -1, skip_401_check = false, abort_signal?: AbortSignal): Promise<Response> {
+ const init = make_request_init("get", undefined, abort_signal);
+ const response = await internal_fetch_async({ url, init, timeout });
+ if (!skip_401_check && await redirect_if_401_async(response)) throw new Error("Server returned 401");
+ return response;
+}
+
+export async function http_delete_async(url: string, body?: object | string, timeout = -1, skip_401_check = false, abort_signal?: AbortSignal): Promise<Response> {
+ const init = make_request_init("delete", body, abort_signal);
+ const response = await internal_fetch_async({ url, init, timeout });
+ if (!skip_401_check && await redirect_if_401_async(response)) throw new Error("Server returned 401");
+ return response;
+}
+
+async function internal_fetch_async(request: InternalFetchRequest): Promise<Response> {
+ if (!request.init) throw new Error("request.init is required");
+ const fetch_request = new Request(request.url, request.init);
+ let response: any;
+
+ try {
+ if (request.timeout && request.timeout > 500) {
+ response = await Promise.race([
+ fetch(fetch_request),
+ new Promise((_, reject) => setTimeout(() => reject(new Error("Timeout")), request.timeout)),
+ ]);
+ } else {
+ response = await fetch(fetch_request);
+ }
+ } catch (error: any) {
+ if (error.message === "Timeout") {
+ console.error("Request timed out", error);
+ } else if (error.message === "Network request failed") {
+ console.error("No internet connection", error);
+ } else {
+ throw error;
+ }
+ }
+
+ return response;
+}
+
+async function redirect_if_401_async(response: Response): Promise<boolean> {
+ if (response.status === 401) {
+ const redirectUrl = `/sign-in?${signInPageMessageQueryKey}=${SignInPageMessage.LOGGED_OUT}`;
+ await AccountService.resolve().end_session_async();
+ if (browser) {
+ await goto(redirectUrl);
+ } else {
+ throw redirect(307, redirectUrl);
+ }
+ }
+ return false;
+}
+
+function make_request_init(method: string, body?: any, signal?: AbortSignal): RequestInit {
+ const init = {
+ method,
+ credentials: "include",
+ signal,
+ headers: {
+ "X-TimeZone": Temporal.Now.timeZone().id,
+ },
+ } as RequestInit;
+
+ if (body) {
+ init.body = JSON.stringify(body);
+ init.headers["Content-Type"] = "application/json;charset=UTF-8";
+ }
+
+ return init;
+}
+
+export type InternalFetchRequest = {
+ url: string,
+ init: RequestInit,
+ timeout?: number
+ retry_count?: number,
+} \ No newline at end of file
diff --git a/code/frontend/src/utils/colors.ts b/code/frontend/src/utils/colors.ts
new file mode 100644
index 0000000..34c7992
--- /dev/null
+++ b/code/frontend/src/utils/colors.ts
@@ -0,0 +1,47 @@
+export function generate_random_hex_color(skip_contrast_check = false) {
+ let hex = __generate_random_hex_color();
+ if (skip_contrast_check) return hex;
+ while ((__calculate_contrast_ratio("#ffffff", hex) < 4.5) || (__calculate_contrast_ratio("#000000", hex) < 4.5)) {
+ hex = __generate_random_hex_color();
+ }
+
+ return hex;
+}
+
+// Largely copied from chroma js api
+function __generate_random_hex_color(): string {
+ let code = "#";
+ for (let i = 0; i < 6; i++) {
+ code += "0123456789abcdef".charAt(Math.floor(Math.random() * 16));
+ }
+ return code;
+}
+
+function __calculate_contrast_ratio(hex1: string, hex2: string): number {
+ const rgb1 = __hex_to_rgb(hex1);
+ const rgb2 = __hex_to_rgb(hex2);
+ const l1 = __get_luminance(rgb1[0], rgb1[1], rgb1[2]);
+ const l2 = __get_luminance(rgb2[0], rgb2[1], rgb2[2]);
+ const result = l1 > l2 ? (l1 + 0.05) / (l2 + 0.05) : (l2 + 0.05) / (l1 + 0.05);
+ return result;
+}
+
+function __hex_to_rgb(hex: string): number[] {
+ if (!hex.match(/^#([A-Fa-f0-9]{6})$/)) return [];
+ if (hex[0] === "#") hex = hex.substring(1, hex.length);
+ return [parseInt(hex.substring(0, 2), 16), parseInt(hex.substring(2, 4), 16), parseInt(hex.substring(4, 6), 16)];
+}
+
+function __get_luminance(r: any, g: any, b: any) {
+ // relative luminance
+ // see http://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef
+ r = __luminance_x(r);
+ g = __luminance_x(g);
+ b = __luminance_x(b);
+ return 0.2126 * r + 0.7152 * g + 0.0722 * b;
+}
+
+function __luminance_x(x: any) {
+ x /= 255;
+ return x <= 0.03928 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4);
+}
diff --git a/code/frontend/src/utils/crypto-helpers.ts b/code/frontend/src/utils/crypto-helpers.ts
new file mode 100644
index 0000000..c2a5275
--- /dev/null
+++ b/code/frontend/src/utils/crypto-helpers.ts
@@ -0,0 +1,49 @@
+// @ts-nocheck
+// 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."
+
+export function get_md5_hash(inputString: string): string {
+ 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);
+}
diff --git a/code/frontend/src/utils/global-state.ts b/code/frontend/src/utils/global-state.ts
new file mode 100644
index 0000000..b585ced
--- /dev/null
+++ b/code/frontend/src/utils/global-state.ts
@@ -0,0 +1,22 @@
+import { get } from "svelte/store";
+import { create_writable_persistent } from "./persistent-store";
+
+const state = create_writable_persistent<any>({
+ initialState: {},
+ name: "global-state"
+});
+
+export type GlobalStateKeys = "isLoggedIn" | "showEmailValidatedAlertWhenLoggedIn" | "all";
+
+export function fgs(key: GlobalStateKeys): any {
+ const value = get(state);
+ if (key === "all") return value;
+ return value[key];
+}
+
+export function sgs(key: GlobalStateKeys, value: any) {
+ if (key === "all") throw new Error("Not allowed to set global state key: all");
+ const stateValue = get(state);
+ stateValue[key] = JSON.stringify(value)
+ state.set(stateValue);
+} \ No newline at end of file
diff --git a/code/frontend/src/utils/misc-helpers.ts b/code/frontend/src/utils/misc-helpers.ts
new file mode 100644
index 0000000..afb20e7
--- /dev/null
+++ b/code/frontend/src/utils/misc-helpers.ts
@@ -0,0 +1,77 @@
+export function merge_obj_arr<T>(a: Array<T>, b: Array<T>, props: Array<string>): Array<T> {
+ let start = 0;
+ let merge = [];
+
+ while (start < a.length) {
+
+ if (a[start] === b[start]) {
+ //pushing the merged objects into array
+ merge.push({ ...a[start], ...b[start] });
+ }
+ //incrementing start value
+ start = start + 1;
+ }
+ return merge;
+}
+
+export function no_type_check(x: any) {
+ return x;
+}
+
+export function capitalise(value: string): string {
+ return value.charAt(0).toUpperCase() + value.slice(1);
+}
+
+export function get_query_string(params: any = {}): string {
+ const map = Object.keys(params).reduce((arr: Array<string>, key: string) => {
+ if (params[key] !== undefined) {
+ return arr.concat(`${key}=${encodeURIComponent(params[key])}`);
+ }
+ return arr;
+ }, [] as any);
+
+ if (map.length) {
+ return `?${map.join("&")}`;
+ }
+
+ return "";
+}
+
+export function make_url(url: string, params: object): string {
+ return `${url}${get_query_string(params)}`;
+}
+
+export function noop() {
+}
+
+export function random_string(length: number): string {
+ if (!length) {
+ throw new Error("length is undefined");
+ }
+ let result = "";
+ const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+ const charactersLength = characters.length;
+ for (let i = 0; i < length; i++) {
+ result += characters.charAt(Math.floor(Math.random() * charactersLength));
+ }
+ return result;
+}
+
+export function get_random_int(min: number, max: number): number {
+ min = Math.ceil(min);
+ max = Math.floor(max);
+ return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+export function get_hash_code(value: string): number | undefined {
+ let hash = 0;
+ if (value.length === 0) {
+ return;
+ }
+ for (let i = 0; i < value.length; i++) {
+ const char = value.charCodeAt(i);
+ hash = (hash << 5) - hash + char;
+ hash |= 0;
+ }
+ return hash;
+}
diff --git a/code/frontend/src/utils/persistent-store.ts b/code/frontend/src/utils/persistent-store.ts
new file mode 100644
index 0000000..d880464
--- /dev/null
+++ b/code/frontend/src/utils/persistent-store.ts
@@ -0,0 +1,110 @@
+import {browser} from "$app/environment";
+import {writable as _writable, readable as _readable} from "svelte/store";
+import type {Writable, Readable, StartStopNotifier} from "svelte/store";
+
+enum StoreType {
+ SESSION = 0,
+ LOCAL = 1
+}
+
+interface StoreOptions {
+ store?: StoreType;
+}
+
+interface WritableStoreInit<T> {
+ name: string,
+ initialState: T,
+ options?: StoreOptions
+}
+
+interface ReadableStoreInit<T> {
+ name: string,
+ initialState: T,
+ callback: StartStopNotifier<any>,
+ options?: StoreOptions
+}
+
+function get_store(type: StoreType): Storage {
+ if (!browser) return undefined;
+ switch (type) {
+ case StoreType.SESSION:
+ return window.sessionStorage;
+ case StoreType.LOCAL:
+ return window.localStorage;
+ }
+}
+
+function prepared_store_value(value: any): string {
+ try {
+ return JSON.stringify(value);
+ } catch (e) {
+ console.error(e);
+ return "__INVALID__";
+ }
+}
+
+function get_store_value<T>(init: WritableStoreInit<T> | ReadableStoreInit<T>): any {
+ try {
+ const storage = get_store(init.options.store);
+ if (!storage) return;
+ const value = storage.getItem(init.name);
+ if (!value) return false;
+ return JSON.parse(value);
+ } catch (e) {
+ console.error(e);
+ return {__INVALID__: true};
+ }
+}
+
+function hydrate<T>(store: Writable<T>, init: WritableStoreInit<T> | ReadableStoreInit<T>): void {
+ const value = get_store_value<T>(init);
+ if (value && store.set) store.set(value);
+}
+
+function subscribe<T>(store: Writable<T> | Readable<T>, init: WritableStoreInit<T> | ReadableStoreInit<T>): void {
+ const storage = get_store(init.options.store);
+ if (!storage) return;
+ if (!store.subscribe) return;
+ store.subscribe((state: any) => {
+ storage.setItem(init.name, prepared_store_value(state));
+ });
+}
+
+function create_writable_persistent<T>(init: WritableStoreInit<T>): Writable<T> {
+ if (!browser) {
+ console.warn("Persistent store is only available in the browser");
+ return;
+ }
+ if (init.options === undefined) throw new Error("init is a required parameter");
+ console.debug("Creating writable store with options: ", init);
+ const store = _writable<T>(init.initialState);
+ hydrate(store, init);
+ subscribe(store, init);
+ return store;
+}
+
+function create_readable_persistent<T>(init: ReadableStoreInit<T>): Readable<T> {
+ if (!browser) {
+ console.warning("Persistent store is only available in the browser");
+ return;
+ }
+ if (init.options === undefined) throw new Error("init is a required parameter");
+ console.debug("Creating readable store with options: ", init);
+ const store = _readable<T>(init.initialState, init.callback);
+ // hydrate(store, options);
+ subscribe(store, init);
+ return store;
+}
+
+export {
+ create_writable_persistent,
+ create_readable_persistent,
+ StoreType,
+};
+
+export type {
+ WritableStoreInit as WritableStore,
+ ReadableStoreInit as ReadableStore,
+ StoreOptions,
+};
+
diff --git a/code/frontend/src/utils/storage-helpers.ts b/code/frontend/src/utils/storage-helpers.ts
new file mode 100644
index 0000000..cce655c
--- /dev/null
+++ b/code/frontend/src/utils/storage-helpers.ts
@@ -0,0 +1,26 @@
+import { browser } from "$app/environment";
+import { is_empty_object } from "./validators";
+
+export type StorageType = "local" | "session";
+export const browserStorage = {
+ remove_with_regex(type: StorageType, regex: RegExp): void {
+ if (!browser) return;
+ const storage = (type === "local" ? window.localStorage : window.sessionStorage);
+ let n = storage.length;
+ while (n--) {
+ const key = storage.key(n);
+ if (key && regex.test(key)) {
+ storage.removeItem(key);
+ }
+ }
+ },
+ set_stringified(type: StorageType, key: string, value: object): void {
+ if (!browser) return;
+ if (is_empty_object(value)) return;
+ (type === "local" ? window.localStorage : window.sessionStorage).setItem(key, JSON.stringify(value));
+ },
+ get_stringified<T>(type: StorageType, key: string): T | any {
+ if (!browser) return;
+ return JSON.parse((type === "local" ? window.localStorage : window.sessionStorage).getItem(key) ?? "{}");
+ }
+} \ No newline at end of file
diff --git a/code/frontend/src/utils/testing-helpers.ts b/code/frontend/src/utils/testing-helpers.ts
new file mode 100644
index 0000000..f21412e
--- /dev/null
+++ b/code/frontend/src/utils/testing-helpers.ts
@@ -0,0 +1,7 @@
+export function get_element_by_pw_key(key: string): HTMLElement | null {
+ return document.querySelector("[pw-key='" + key + "']");
+}
+
+export function get_pw_key_selector(key: string): string {
+ return "[pw-key='" + key + "']";
+} \ No newline at end of file
diff --git a/code/frontend/src/utils/ui.ts b/code/frontend/src/utils/ui.ts
new file mode 100644
index 0000000..019b8f6
--- /dev/null
+++ b/code/frontend/src/utils/ui.ts
@@ -0,0 +1,56 @@
+import { type ClassValue, clsx } from 'clsx'
+import { cubicOut } from 'svelte/easing'
+import { twMerge } from 'tailwind-merge'
+import type { TransitionConfig } from 'svelte/transition'
+
+export function cn(...inputs: ClassValue[]) {
+ return twMerge(clsx(inputs))
+}
+
+type FlyAndScaleParams = {
+ y?: number
+ x?: number
+ start?: number
+ duration?: number
+}
+
+export function flyAndScale(
+ node: Element,
+ params: FlyAndScaleParams = { y: -8, x: 0, start: 0.95, duration: 150 }
+): TransitionConfig {
+ const style = getComputedStyle(node)
+ const transform = style.transform === 'none' ? '' : style.transform
+
+ const scaleConversion = (valueA: number, scaleA: [number, number], scaleB: [number, number]) => {
+ const [minA, maxA] = scaleA
+ const [minB, maxB] = scaleB
+
+ const percentage = (valueA - minA) / (maxA - minA)
+ const valueB = percentage * (maxB - minB) + minB
+
+ return valueB
+ }
+
+ const styleToString = (style: Record<string, number | string | undefined>): string => {
+ return Object.keys(style).reduce((str, key) => {
+ if (style[key] === undefined) return str
+ return str + `${key}:${style[key]};`
+ }, '')
+ }
+
+ return {
+ duration: params.duration ?? 200,
+ delay: 0,
+ css: (t) => {
+ const y = scaleConversion(t, [0, 1], [params.y ?? 5, 0])
+ const x = scaleConversion(t, [0, 1], [params.x ?? 0, 0])
+ const scale = scaleConversion(t, [0, 1], [params.start ?? 0.95, 1])
+
+ return styleToString({
+ transform: `${transform} translate3d(${x}px, ${y}px, 0) scale(${scale})`,
+ opacity: t
+ })
+ },
+ easing: cubicOut
+ }
+}
diff --git a/code/frontend/src/utils/validators.ts b/code/frontend/src/utils/validators.ts
new file mode 100644
index 0000000..b69470e
--- /dev/null
+++ b/code/frontend/src/utils/validators.ts
@@ -0,0 +1,34 @@
+export const EMAIL_REGEX = new RegExp(/^([a-z0-9]+(?:([._\-])[a-z0-9]+)*@(?:[a-z0-9]+(?:(-)[a-z0-9]+)?\.)+[a-z0-9](?:[a-z0-9]*[a-z0-9])?)$/i);
+export const URL_REGEX = new RegExp(/^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)?[a-z0-9]+([\-.][a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$/gm);
+export const GUID_REGEX = new RegExp(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-5][0-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$/i);
+export const NORWEGIAN_PHONE_NUMBER_REGEX = new RegExp(/(0047|\+47|47)?\d{8,12}/);
+
+export function is_email(value: string): boolean {
+ return EMAIL_REGEX.test(String(value).toLowerCase());
+}
+
+export function is_url(value: string): boolean {
+ return URL_REGEX.test(String(value).toLowerCase());
+}
+
+export function is_norwegian_phone_number(value: string): boolean {
+ if (value.length < 8 || value.length > 12) {
+ return false;
+ }
+ return NORWEGIAN_PHONE_NUMBER_REGEX.test(String(value));
+}
+
+export function is_guid(value: string): boolean {
+ if (!value) {
+ return false;
+ }
+ if (value[0] === "{") {
+ value = value.substring(1, value.length - 1);
+ }
+ return GUID_REGEX.test(value);
+}
+
+export function is_empty_object(obj: object): boolean {
+ if (!obj) return true;
+ return obj !== void 0 && Object.keys(obj).length > 0;
+} \ No newline at end of file
generated by cgit v1.3 (git 2.53.0) at 2026-03-07 11:16:19 +0100