authentik/web/src/utils.ts

90 lines
2.7 KiB
TypeScript

import { t } from "@lingui/macro";
import { html, TemplateResult } from "lit-html";
import "./elements/EmptyState";
export function getCookie(name: string): string {
let cookieValue = "";
if (document.cookie && document.cookie !== "") {
const cookies = document.cookie.split(";");
for (let i = 0; i < cookies.length; i++) {
const cookie = cookies[i].trim();
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) === name + "=") {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
export function convertToSlug(text: string): string {
return text
.toLowerCase()
.replace(/ /g, "-")
.replace(/[^\w-]+/g, "");
}
export function convertToTitle(text: string): string {
return text.replace(/\w\S*/g, function (txt) {
return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
});
}
export function truncate(input?: string, max = 10): string {
input = input || "";
const array = input.trim().split(" ");
const ellipsis = array.length > max ? "..." : "";
return array.slice(0, max).join(" ") + ellipsis;
}
export function loading<T>(v: T, actual: TemplateResult): TemplateResult {
if (!v) {
return html`<ak-empty-state ?loading="${true}" header=${t`Loading`}> </ak-empty-state>`;
}
return actual;
}
export function camelToSnake(key: string): string {
const result = key.replace(/([A-Z])/g, " $1");
return result.split(" ").join("_").toLowerCase();
}
export function groupBy<T>(objects: T[], callback: (obj: T) => string): Array<[string, T[]]> {
const m = new Map<string, T[]>();
objects.forEach((obj) => {
const group = callback(obj);
if (!m.has(group)) {
m.set(group, []);
}
const tProviders = m.get(group) || [];
tProviders.push(obj);
});
return Array.from(m).sort();
}
export function first<T>(...args: Array<T | undefined | null>): T {
for (let index = 0; index < args.length; index++) {
const element = args[index];
if (element !== undefined && element !== null) {
return element;
}
}
throw new Error(`No compatible arg given: ${args}`);
}
export function hexEncode(buf: Uint8Array): string {
return Array.from(buf)
.map(function (x) {
return ("0" + x.toString(16)).substr(-2);
})
.join("");
}
export function randomString(len: number): string {
const arr = new Uint8Array(len / 2);
window.crypto.getRandomValues(arr);
return hexEncode(arr);
}