Jörn-Michael Miehe
7cca8c4825
- rename `Like` -> `VueLike` (also `unwrap_like` -> `unwrap_vuelike`) - rename `ensure_loaded` -> `unwrap_loading` - make `unwrap_loading` throw `null` on error instead of `""`
58 lines
1.1 KiB
TypeScript
58 lines
1.1 KiB
TypeScript
import { nextTick, UnwrapRef } from "vue";
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import { APIError } from "./api_error";
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export function objForEach<T>(
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obj: T,
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f: (k: keyof T, v: T[keyof T]) => void,
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): void {
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for (const k in obj) {
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if (Object.prototype.hasOwnProperty.call(obj, k)) {
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f(k, obj[k]);
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}
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}
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}
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export type VueLike<T> = T | UnwrapRef<T>;
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export function unwrap_vuelike<T>(value: VueLike<T>): T {
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return value as T;
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}
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export type Loading<T> = T | "loading" | "error";
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export function loading_success<T>(o: Loading<T>): o is T {
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if (o === "loading") return false;
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if (o === "error") return false;
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return true;
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}
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export function unwrap_loading<T>(o: Loading<T>): T {
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if (!loading_success(o)) throw null;
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return o;
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}
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export function wait_for(condition: () => boolean, action: () => void) {
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const do_action = () => {
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if (!condition()) {
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nextTick(do_action);
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return;
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}
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action();
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};
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do_action();
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}
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export function handle_error(error: unknown) {
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if (error instanceof APIError) {
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error.alert();
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} else {
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console.error(error);
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}
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}
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export function name_door(day: number): string {
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return `Türchen ${day}`;
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}
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