Method clearCachedFiles

src/helpViewer/index.ts:358–367

(re: string | RegExp)

    // refresh cached help info only for a specific file/package
    public clearCachedFiles(re: string | RegExp): void {
        for (const path of this.cachedHelpFiles.keys()) {
            if (
                (typeof re === 'string' && path === re) ||
                (typeof re !== 'string' && re.exec(path))
            ) {
                this.cachedHelpFiles.delete(path);
            }
        }
    }

    // create a new help panel
    public makeNewHelpPanel(panel?: vscode.WebviewPanel): HelpPanel {