53 lines
1.4 KiB
TypeScript
53 lines
1.4 KiB
TypeScript
import { APP_CONFIG } from "../app/config.js";
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export const noop = (): void => {};
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function _debugEnabled(flag: string): boolean {
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try {
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return Boolean((APP_CONFIG as Record<string, unknown>)?.[flag]);
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} catch {
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return false;
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}
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}
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function _warn(label: string, err: unknown): void {
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try {
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console.warn(`[Majoor] ${label}`, err);
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} catch (e) {
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console.debug?.(e);
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}
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}
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export function safeCall<T>(fn: (() => T) | null | undefined, label = "safeCall"): T | undefined {
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try {
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return fn?.();
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} catch (err) {
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if (_debugEnabled("DEBUG_SAFE_CALL")) _warn(label, err);
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return undefined;
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}
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}
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export function safeAddListener(
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target: EventTarget | null | undefined,
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event: string,
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handler: EventListenerOrEventListenerObject,
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options?: AddEventListenerOptions | boolean,
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label = "safeAddListener",
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): () => void {
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try {
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target?.addEventListener?.(event, handler, options);
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return () => {
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try {
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target?.removeEventListener?.(event, handler, options);
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} catch (err) {
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if (_debugEnabled("DEBUG_SAFE_LISTENERS"))
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_warn(`${label}:remove:${String(event || "")}`, err);
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}
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};
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} catch (err) {
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if (_debugEnabled("DEBUG_SAFE_LISTENERS"))
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_warn(`${label}:add:${String(event || "")}`, err);
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return noop;
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}
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}
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