mirror of
https://github.com/wavetermdev/waveterm.git
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c2312f1c7f
I made our logo a custom icon in Font Awesome so we can add it to our workspace switcher as the default icon
311 lines
9.3 KiB
TypeScript
311 lines
9.3 KiB
TypeScript
// Copyright 2024, Command Line Inc.
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// SPDX-License-Identifier: Apache-2.0s
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import base64 from "base64-js";
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import clsx from "clsx";
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import { Atom, atom, Getter, SetStateAction, Setter, useAtomValue } from "jotai";
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import { debounce, throttle } from "throttle-debounce";
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function isBlank(str: string): boolean {
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return str == null || str == "";
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}
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function base64ToString(b64: string): string {
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if (b64 == null) {
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return null;
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}
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if (b64 == "") {
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return "";
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}
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const stringBytes = base64.toByteArray(b64);
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return new TextDecoder().decode(stringBytes);
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}
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function stringToBase64(input: string): string {
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const stringBytes = new TextEncoder().encode(input);
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return base64.fromByteArray(stringBytes);
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}
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function base64ToArray(b64: string): Uint8Array {
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const rawStr = atob(b64);
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const rtnArr = new Uint8Array(new ArrayBuffer(rawStr.length));
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for (let i = 0; i < rawStr.length; i++) {
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rtnArr[i] = rawStr.charCodeAt(i);
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}
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return rtnArr;
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}
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function boundNumber(num: number, min: number, max: number): number {
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if (num == null || typeof num != "number" || isNaN(num)) {
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return null;
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}
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return Math.min(Math.max(num, min), max);
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}
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// works for json-like objects (arrays, objects, strings, numbers, booleans)
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function jsonDeepEqual(v1: any, v2: any): boolean {
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if (v1 === v2) {
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return true;
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}
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if (typeof v1 !== typeof v2) {
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return false;
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}
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if ((v1 == null && v2 != null) || (v1 != null && v2 == null)) {
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return false;
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}
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if (typeof v1 === "object") {
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if (Array.isArray(v1) && Array.isArray(v2)) {
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if (v1.length !== v2.length) {
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return false;
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}
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for (let i = 0; i < v1.length; i++) {
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if (!jsonDeepEqual(v1[i], v2[i])) {
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return false;
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}
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}
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return true;
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} else {
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const keys1 = Object.keys(v1);
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const keys2 = Object.keys(v2);
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if (keys1.length !== keys2.length) {
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return false;
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}
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for (let key of keys1) {
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if (!jsonDeepEqual(v1[key], v2[key])) {
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return false;
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}
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}
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return true;
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}
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}
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return false;
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}
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function makeIconClass(icon: string, fw: boolean, opts?: { spin?: boolean; defaultIcon?: string }): string {
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if (isBlank(icon)) {
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if (opts?.defaultIcon != null) {
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return makeIconClass(opts.defaultIcon, fw, { spin: opts?.spin });
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}
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return null;
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}
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if (icon.match(/^(solid@)?[a-z0-9-]+$/)) {
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// strip off "solid@" prefix if it exists
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icon = icon.replace(/^solid@/, "");
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return clsx(`fa fa-solid fa-${icon}`, fw ? "fa-fw" : null, opts?.spin ? "fa-spin" : null);
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}
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if (icon.match(/^regular@[a-z0-9-]+$/)) {
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// strip off the "regular@" prefix if it exists
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icon = icon.replace(/^regular@/, "");
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return clsx(`fa fa-sharp fa-regular fa-${icon}`, fw ? "fa-fw" : null, opts?.spin ? "fa-spin" : null);
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}
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if (icon.match(/^brands@[a-z0-9-]+$/)) {
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// strip off the "brands@" prefix if it exists
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icon = icon.replace(/^brands@/, "");
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return clsx(`fa fa-brands fa-${icon}`, fw ? "fa-fw" : null, opts?.spin ? "fa-spin" : null);
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}
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if (icon.match(/^custom@[a-z0-9-]+$/)) {
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// strip off the "custom@" prefix if it exists
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icon = icon.replace(/^custom@/, "");
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return clsx(`fa fa-kit fa-${icon}`, fw ? "fa-fw" : null, opts?.spin ? "fa-spin" : null);
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}
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if (opts?.defaultIcon != null) {
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return makeIconClass(opts.defaultIcon, fw, { spin: opts?.spin });
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}
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return null;
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}
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/**
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* A wrapper function for running a promise and catching any errors
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* @param f The promise to run
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*/
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function fireAndForget(f: () => Promise<any>) {
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f()?.catch((e) => {
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console.log("fireAndForget error", e);
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});
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}
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const promiseWeakMap = new WeakMap<Promise<any>, ResolvedValue<any>>();
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type ResolvedValue<T> = {
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pending: boolean;
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error: any;
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value: T;
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};
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// returns the value, pending state, and error of a promise
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function getPromiseState<T>(promise: Promise<T>): [T, boolean, any] {
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if (promise == null) {
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return [null, false, null];
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}
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if (promiseWeakMap.has(promise)) {
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const value = promiseWeakMap.get(promise);
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return [value.value, value.pending, value.error];
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}
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const value: ResolvedValue<T> = {
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pending: true,
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error: null,
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value: null,
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};
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promise.then(
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(result) => {
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value.pending = false;
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value.error = null;
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value.value = result;
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},
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(error) => {
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value.pending = false;
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value.error = error;
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}
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);
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promiseWeakMap.set(promise, value);
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return [value.value, value.pending, value.error];
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}
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// returns the value of a promise, or a default value if the promise is still pending (or had an error)
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function getPromiseValue<T>(promise: Promise<T>, def: T): T {
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const [value, pending, error] = getPromiseState(promise);
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if (pending || error) {
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return def;
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}
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return value;
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}
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function jotaiLoadableValue<T>(value: Loadable<T>, def: T): T {
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if (value.state === "hasData") {
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return value.data;
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}
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return def;
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}
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const NullAtom = atom(null);
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function useAtomValueSafe<T>(atom: Atom<T> | Atom<Promise<T>>): T {
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if (atom == null) {
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return useAtomValue(NullAtom) as T;
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}
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return useAtomValue(atom);
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}
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/**
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* Simple wrapper function that lazily evaluates the provided function and caches its result for future calls.
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* @param callback The function to lazily run.
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* @returns The result of the function.
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*/
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const lazy = <T extends (...args: any[]) => any>(callback: T) => {
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let res: ReturnType<T>;
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let processed = false;
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return (...args: Parameters<T>): ReturnType<T> => {
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if (processed) return res;
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res = callback(...args);
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processed = true;
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return res;
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};
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};
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/**
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* Generates an external link by appending the given URL to the "https://extern?" endpoint.
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*
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* @param {string} url - The URL to be encoded and appended to the external link.
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* @return {string} The generated external link.
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*/
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function makeExternLink(url: string): string {
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return "https://extern?" + encodeURIComponent(url);
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}
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function atomWithThrottle<T>(initialValue: T, delayMilliseconds = 500): AtomWithThrottle<T> {
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// DO NOT EXPORT currentValueAtom as using this atom to set state can cause
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// inconsistent state between currentValueAtom and throttledValueAtom
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const _currentValueAtom = atom(initialValue);
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const throttledValueAtom = atom(initialValue, (get, set, update: SetStateAction<T>) => {
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const prevValue = get(_currentValueAtom);
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const nextValue = typeof update === "function" ? (update as (prev: T) => T)(prevValue) : update;
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set(_currentValueAtom, nextValue);
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throttleUpdate(get, set);
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});
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const throttleUpdate = throttle(delayMilliseconds, (get: Getter, set: Setter) => {
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const curVal = get(_currentValueAtom);
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set(throttledValueAtom, curVal);
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});
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return {
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currentValueAtom: atom((get) => get(_currentValueAtom)),
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throttledValueAtom,
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};
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}
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function atomWithDebounce<T>(initialValue: T, delayMilliseconds = 500): AtomWithDebounce<T> {
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// DO NOT EXPORT currentValueAtom as using this atom to set state can cause
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// inconsistent state between currentValueAtom and debouncedValueAtom
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const _currentValueAtom = atom(initialValue);
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const debouncedValueAtom = atom(initialValue, (get, set, update: SetStateAction<T>) => {
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const prevValue = get(_currentValueAtom);
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const nextValue = typeof update === "function" ? (update as (prev: T) => T)(prevValue) : update;
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set(_currentValueAtom, nextValue);
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debounceUpdate(get, set);
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});
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const debounceUpdate = debounce(delayMilliseconds, (get: Getter, set: Setter) => {
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const curVal = get(_currentValueAtom);
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set(debouncedValueAtom, curVal);
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});
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return {
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currentValueAtom: atom((get) => get(_currentValueAtom)),
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debouncedValueAtom,
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};
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}
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function getPrefixedSettings(settings: SettingsType, prefix: string): SettingsType {
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const rtn: SettingsType = {};
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if (settings == null || isBlank(prefix)) {
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return rtn;
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}
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for (const key in settings) {
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if (key == prefix || key.startsWith(prefix + ":")) {
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rtn[key] = settings[key];
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}
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}
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return rtn;
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}
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function countGraphemes(str: string): number {
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if (str == null) {
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return 0;
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}
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// this exists (need to hack TS to get it to not show an error)
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const seg = new (Intl as any).Segmenter(undefined, { granularity: "grapheme" });
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return Array.from(seg.segment(str)).length;
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}
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function makeConnRoute(conn: string): string {
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if (isBlank(conn)) {
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return "conn:local";
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}
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return "conn:" + conn;
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}
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export {
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atomWithDebounce,
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atomWithThrottle,
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base64ToArray,
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base64ToString,
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boundNumber,
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countGraphemes,
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fireAndForget,
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getPrefixedSettings,
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getPromiseState,
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getPromiseValue,
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isBlank,
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jotaiLoadableValue,
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jsonDeepEqual,
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lazy,
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makeConnRoute,
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makeExternLink,
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makeIconClass,
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stringToBase64,
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useAtomValueSafe,
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};
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