Method _goForward

src/helpViewer/panel.ts:229–238

(currentScrollY = 0)

    }
    private _goForward(currentScrollY = 0): void {
        const entry = this.forwardHistory.pop();
        if (entry) {
            if (this.currentEntry) { // should always be true
                this.currentEntry.helpFile.scrollY = currentScrollY;
                this.history.push(this.currentEntry);
            }
            void this.showHistoryEntry(entry);
        }
    }
    private async showHistoryEntry(entry: HistoryEntry) {
        let helpFile: HelpFile;
        if (entry.isStale) {