Method _getOutputContext

lib/command.js:2489–2509

* @typedef HelpContext * @type {object} * @property {boolean} error * @property {number} helpWidth * @property {boolean} hasColors * @property {function} write - includes stripColor if needed * * @returns {HelpContext} * @private

(contextOptions)

   */

  _getOutputContext(contextOptions) {
    contextOptions = contextOptions || {};
    const error = !!contextOptions.error;
    let baseWrite;
    let hasColors;
    let helpWidth;
    if (error) {
      baseWrite = (str) => this._outputConfiguration.writeErr(str);
      hasColors = this._outputConfiguration.getErrHasColors();
      helpWidth = this._outputConfiguration.getErrHelpWidth();
    } else {
      baseWrite = (str) => this._outputConfiguration.writeOut(str);
      hasColors = this._outputConfiguration.getOutHasColors();
      helpWidth = this._outputConfiguration.getOutHelpWidth();
    }
    const write = (str) => {
      if (!hasColors) str = this._outputConfiguration.stripColor(str);
      return baseWrite(str);
    };
    return { error, write, hasColors, helpWidth };
  }

  /**
   * Output help information for this command.