Method startFileWatcher

src/rmarkdown/preview.ts:62–73

(RMarkdownPreviewManager: RMarkdownPreviewManager, filePath: string)

    }

    private startFileWatcher(RMarkdownPreviewManager: RMarkdownPreviewManager, filePath: string) {
        let fsTimeout: NodeJS.Timeout | null;
        const fileWatcher = fs.watch(filePath, {}, () => {
            const mtime = fs.statSync(filePath).mtime.getTime();
            if (this.autoRefresh && !this.isRendering && !fsTimeout && mtime !== this.mtime) {
                fsTimeout = setTimeout(() => { fsTimeout = null; }, 1000);
                this.mtime = mtime;
                void RMarkdownPreviewManager.updatePreview(this);
            }
        });
        this.fileWatcher = fileWatcher;
    }

    private getHtmlContent(htmlContent: string): void {
        let content = htmlContent.replace(/<(\w+)\s+(href|src)="(?!(\w+:)|#)/g,