1 files changed, 489 insertions, 0 deletions
diff --git a/apps/web-shared/src/lib/helpers.ts b/apps/web-shared/src/lib/helpers.ts
new file mode 100644
index 0000000..650bccf
--- /dev/null
+++ b/apps/web-shared/src/lib/helpers.ts
@@ -0,0 +1,489 @@
+import {StorageKeys} from "$shared/lib/configuration";
+import {TimeEntryDto} from "$shared/lib/models/TimeEntryDto";
+import {UnwrappedEntryDateTime} from "$shared/lib/models/UnwrappedEntryDateTime";
+import {Temporal} from "@js-temporal/polyfill";
+
+export const EMAIL_REGEX = new RegExp(/^([a-z0-9]+(?:([._\-])[a-z0-9]+)*@(?:[a-z0-9]+(?:(-)[a-z0-9]+)?\.)+[a-z0-9](?:[a-z0-9]*[a-z0-9])?)$/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 switch_theme() {
+    const html = document.querySelector("html");
+    if (html) {
+        if (html.dataset.theme === "dark") {
+            html.dataset.theme = "light";
+        } else {
+            html.dataset.theme = "dark";
+        }
+        localStorage.setItem(StorageKeys.theme, html.dataset.theme);
+    }
+}
+
+export function unwrap_date_time_from_entry(entry: TimeEntryDto): UnwrappedEntryDateTime {
+    if (!entry) throw new Error("entry was undefined");
+    const currentTimeZone = Temporal.Now.timeZone().id;
+    const startInstant = Temporal.Instant.from(entry.start).toZonedDateTimeISO(currentTimeZone);
+    const stopInstant = Temporal.Instant.from(entry.stop).toZonedDateTimeISO(currentTimeZone);
+
+    return {
+        start_date: startInstant.toPlainDate(),
+        stop_date: stopInstant.toPlainDate(),
+        start_time: startInstant.toPlainTime(),
+        stop_time: stopInstant.toPlainTime(),
+        duration: Temporal.Duration.from({
+            hours: stopInstant.hour,
+            minutes: stopInstant.minute
+        }).subtract(Temporal.Duration.from({
+            hours: startInstant.hour,
+            minutes: startInstant.minute
+        }))
+    };
+}
+
+
+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 {
+    return obj !== void 0 && Object.keys(obj).length > 0;
+}
+
+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 set_favicon(url: string) {
+    // Find the current favicon element
+    const favicon = document.querySelector("link[rel=\"icon\"]") as HTMLLinkElement;
+    if (favicon) {
+        // Update the new link
+        favicon.href = url;
+    } else {
+        // Create new `link`
+        const link = document.createElement("link");
+        link.rel = "icon";
+        link.href = url;
+
+        // Append to the `head` element
+        document.head.appendChild(link);
+    }
+}
+
+export function set_emoji_favicon(emoji: string) {
+    // Create a canvas element
+    const canvas = document.createElement("canvas");
+    canvas.height = 64;
+    canvas.width = 64;
+
+    // Get the canvas context
+    const context = canvas.getContext("2d") as CanvasRenderingContext2D;
+    context.font = "64px serif";
+    context.fillText(emoji, 0, 64);
+
+    // Get the custom URL
+    const url = canvas.toDataURL();
+
+    // Update the favicon
+    set_favicon(url);
+}
+
+
+// https://stackoverflow.com/a/48400665/11961742
+export function seconds_to_hour_minute_string(seconds: number) {
+    const hours = Math.floor(seconds / (60 * 60));
+    seconds -= hours * (60 * 60);
+    const minutes = Math.floor(seconds / 60);
+    return hours + "h" + minutes + "m";
+}
+
+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 load_script(url: string) {
+    unload_script(url, () => {
+        return new Promise(function (resolve, reject) {
+            const script = document.createElement("script");
+            script.src = url;
+
+            script.addEventListener("load", function () {
+                // The script is loaded completely
+                resolve(true);
+            });
+
+            document.body.appendChild(script);
+        });
+    });
+}
+
+export function unload_script(src: string, callback?: Function): void {
+    document.querySelectorAll("script[src='" + src + "']").forEach(el => el.remove());
+    if (typeof callback === "function") {
+        callback();
+    }
+}
+
+export function noop() {
+}
+
+export async function run_async(functionToRun: Function): Promise<any> {
+    return new Promise((greatSuccess, graveFailure) => {
+        try {
+            greatSuccess(functionToRun());
+        } catch (exception) {
+            graveFailure(exception);
+        }
+    });
+}
+
+// https://stackoverflow.com/a/45215694/11961742
+export function get_selected_options(domElement: HTMLSelectElement): Array<string> {
+    const ret = [];
+
+    // fast but not universally supported
+    if (domElement.selectedOptions !== undefined) {
+        for (let i = 0; i < domElement.selectedOptions.length; i++) {
+            ret.push(domElement.selectedOptions[i].value);
+        }
+
+        // compatible, but can be painfully slow
+    } else {
+        for (let i = 0; i < domElement.options.length; i++) {
+            if (domElement.options[i].selected) {
+                ret.push(domElement.options[i].value);
+            }
+        }
+    }
+    return ret;
+}
+
+export function uuid_v4(): string {
+    // @ts-ignore
+    return ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c => (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16));
+}
+
+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;
+}
+
+interface CreateElementOptions {
+    name: string,
+    properties?: object,
+    children?: Array<HTMLElement|Function|Node>
+}
+
+export function create_element_from_object(elementOptions: CreateElementOptions): HTMLElement {
+    return create_element(elementOptions.name, elementOptions.properties, elementOptions.children);
+}
+
+export function create_element(name: string, properties?: object, children?: Array<HTMLElement|any>): HTMLElement {
+    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)) {
+            // @ts-ignore
+            node[key] = value;
+        }
+    }
+
+    if (children && children.length > 0) {
+        let actualChildren = children;
+        if (typeof children === "function") {
+            // @ts-ignore
+            actualChildren = children();
+        }
+        for (const child of actualChildren) {
+            node.appendChild(child as Node);
+        }
+    }
+    return node;
+}
+
+export function get_element_position(element: HTMLElement|any) {
+    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};
+}
+
+export function restrict_input_to_numbers(element: HTMLElement, specials: Array<string> = [], mergeSpecialsWithDefaults: boolean = false): void {
+    if (element) {
+        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();
+            }
+        });
+    }
+}
+
+export function element_has_focus(element: HTMLElement): boolean {
+    return element === document.activeElement;
+}
+
+export function move_focus(element: HTMLElement): void {
+    if (!element) {
+        element = document.getElementsByTagName("body")[0];
+    }
+    element.focus();
+    // @ts-ignore
+    if (!element_has_focus(element)) {
+        element.setAttribute("tabindex", "-1");
+        element.focus();
+    }
+}
+
+export function get_url_parameter(name: string): string {
+    // @ts-ignore
+    return new RegExp("[?&]" + name + "=([^&#]*)")?.exec(window.location.href)[1];
+}
+
+export function update_url_parameter(param: string, newVal: string): void {
+    let newAdditionalURL = "";
+    let tempArray = location.href.split("?");
+    const baseURL = tempArray[0];
+    const additionalURL = tempArray[1];
+    let temp = "";
+    if (additionalURL) {
+        tempArray = additionalURL.split("&");
+        for (let i = 0; i < tempArray.length; i++) {
+            if (tempArray[i].split("=")[0] !== param) {
+                newAdditionalURL += temp + tempArray[i];
+                temp = "&";
+            }
+        }
+    }
+    const rows_txt = temp + "" + param + "=" + newVal;
+    const newUrl = baseURL + "?" + newAdditionalURL + rows_txt;
+    window.history.replaceState("", "", newUrl);
+}
+
+
+export function get_style_string(rules: CSSRuleList) {
+    let styleString = "";
+    for (const [key, value] of Object.entries(rules)) {
+        styleString += key + ":" + value + ";";
+    }
+    return styleString;
+}
+
+export function get_local_time_zone_date(date: Date): Date {
+    const timeOffsetInMS = new Date().getTimezoneOffset() * 60000;
+    date.setTime(date.getTime() - timeOffsetInMS);
+    return date;
+}
+
+export function parse_iso_local(s: string) {
+    const b = s.split(/\D/);
+    //@ts-ignore
+    return new Date(b[0], b[1] - 1, b[2], b[3], b[4], b[5]);
+}
+
+export function resolve_references(json: any) {
+    if (!json) return;
+    if (typeof json === "string") {
+        json = JSON.parse(json ?? "{}");
+    }
+    const byid = {}, refs = [];
+    json = function recurse(obj, prop, parent) {
+        if (typeof obj !== "object" || !obj) {
+            return obj;
+        }
+        if (Object.prototype.toString.call(obj) === "[object Array]") {
+            for (let i = 0; i < obj.length; i++) {
+                if (typeof obj[i] !== "object" || !obj[i]) {
+                    continue;
+                } else if ("$ref" in obj[i]) {
+                    // @ts-ignore
+                    obj[i] = recurse(obj[i], i, obj);
+                } else {
+                    obj[i] = recurse(obj[i], prop, obj);
+                }
+            }
+            return obj;
+        }
+        if ("$ref" in obj) {
+            let ref = obj.$ref;
+            if (ref in byid) {
+                // @ts-ignore
+                return byid[ref];
+            }
+            refs.push([parent, prop, ref]);
+            return;
+        } else if ("$id" in obj) {
+            let id = obj.$id;
+            delete obj.$id;
+            if ("$values" in obj) {
+                obj = obj.$values.map(recurse);
+            } else {
+                for (let prop2 in obj) {
+                    // @ts-ignore
+                    obj[prop2] = recurse(obj[prop2], prop2, obj);
+                }
+            }
+            // @ts-ignore
+            byid[id] = obj;
+        }
+        return obj;
+    }(json);
+    for (let i = 0; i < refs.length; i++) {
+        let ref = refs[i];
+        // @ts-ignore
+        ref[0][ref[1]] = byid[ref[2]];
+    }
+    return json;
+}
+
+export function to_readable_date_string(date: Date, locale = "nb-NO"): string {
+    date.setMinutes(date.getMinutes() - date.getTimezoneOffset());
+    return date.toLocaleString(locale);
+}
+
+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 to_readable_bytes(bytes: number): string {
+    const s = ["bytes", "kB", "MB", "GB", "TB", "PB"];
+    const e = Math.floor(Math.log(bytes) / Math.log(1024));
+    return (bytes / Math.pow(1024, e)).toFixed(2) + " " + s[e];
+}
+
+export function can_use_dom(): boolean {
+    return !!(typeof window !== "undefined" && window.document && window.document.createElement);
+}
+
+export function session_storage_remove_regex(regex: RegExp): void {
+    let n = sessionStorage.length;
+    while (n--) {
+        const key = sessionStorage.key(n);
+        if (key && regex.test(key)) {
+            sessionStorage.removeItem(key);
+        }
+    }
+}
+
+export function local_storage_remove_regex(regex: RegExp): void {
+    let n = localStorage.length;
+    while (n--) {
+        const key = localStorage.key(n);
+        if (key && regex.test(key)) {
+            localStorage.removeItem(key);
+        }
+    }
+}
+
+export function session_storage_set_json(key: string, value: object): void {
+    sessionStorage.setItem(key, JSON.stringify(value));
+}
+
+export function session_storage_get_json(key: string): object {
+    return JSON.parse(sessionStorage.getItem(key) ?? "{}");
+}
+
+export function local_storage_set_json(key: string, value: object): void {
+    localStorage.setItem(key, JSON.stringify(value));
+}
+
+export function local_storage_get_json(key: string): object {
+    return JSON.parse(localStorage.getItem(key) ?? "{}");
+}
+
+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;
+}
+
+export function $(selector: string): HTMLElement|null {
+    return document.querySelector(selector);
+}
+
+export function $$(selector: string): NodeListOf<Element> {
+    return document.querySelectorAll(selector);
+}