Method _getBackgroundColor

src/server/web/public/terminal.js:7688–7704

(e3, t3, i3, s3)

          }
          _getColorFromAnsiIndex(e3) {
            if (e3 >= this._config.colors.ansi.length) throw new Error("No color found for idx " + e3);
            return this._config.colors.ansi[e3];
          }
          _getBackgroundColor(e3, t3, i3, s3) {
            if (this._config.allowTransparency) return n.NULL_COLOR;
            let r2;
            switch (e3) {
              case 16777216:
              case 33554432:
                r2 = this._getColorFromAnsiIndex(t3);
                break;
              case 50331648:
                const e4 = c.AttributeData.toColorRGB(t3);
                r2 = n.channels.toColor(e4[0], e4[1], e4[2]);
                break;
              default:
                r2 = i3 ? n.color.opaque(this._config.colors.foreground) : this._config.colors.background;
            }
            return r2;
          }