@hashgraphonline/standards-sdk
Version:
The Hashgraph Online Standards SDK provides a complete implementation of the Hashgraph Consensus Standards (HCS), giving developers all the tools needed to build applications on Hedera.
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TypeScript
import { HCSSDK, LoadQueueItem, HCSConfigMapping, HCSConfig, LoadType } from './types';
export declare const sleep: (ms: number) => Promise<unknown>;
export declare class HCS implements HCSSDK {
config: HCSConfig;
configMapping: HCSConfigMapping;
LoadedScripts: Record<string, string>;
LoadedWasm: Record<string, WebAssembly.Instance>;
LoadedImages: Record<string, string>;
LoadedVideos: Record<string, string>;
LoadedAudios: Record<string, HTMLAudioElement>;
LoadedAudioUrls: Record<string, string>;
LoadedGLBs: Record<string, string>;
scriptLoadedEvent: Event;
loadQueue: LoadQueueItem[];
isProcessingQueue: boolean;
private modelViewerLoaded;
private modelViewerLoading;
private logger;
constructor();
private createFallbackLogger;
log(...args: any[]): void;
error(...args: any[]): void;
loadConfigFromHTML(): void;
updateLoadingStatus(id: string, status: string): void;
fetchWithRetry(url: string, retries?: number, backoff?: number): Promise<Response>;
sleep(ms: number): Promise<unknown>;
isDuplicate(topicId: string): boolean;
retrieveHCS1Data(topicId: string, cdnUrl?: string, network?: string): Promise<Blob>;
loadScript(scriptElement: HTMLElement): Promise<void>;
loadModuleExports(scriptId: string): Promise<any>;
loadStylesheet(linkElement: HTMLElement): Promise<void>;
loadImage(imageElement: HTMLElement): Promise<void>;
loadMedia(mediaElement: HTMLElement, mediaType: 'video' | 'audio'): Promise<void>;
private loadModelViewer;
loadGLB(glbElement: HTMLElement): Promise<void>;
loadResource(element: HTMLElement, type: LoadType, order: number): Promise<void>;
processQueue(): Promise<void>;
private replaceHCSInStyle;
private processInlineStyles;
init(): Promise<void>;
preloadImage(topicId: string): Promise<string>;
preloadAudio(topicId: string): Promise<string>;
playAudio(topicId: string, volume?: number): Promise<void>;
pauseAudio(topicId: string): Promise<void>;
loadAndPlayAudio(topicId: string, autoplay?: boolean, volume?: number): Promise<void>;
}
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