The base class for all steps

Override this class to create a new step.

Methods

Public methods

• TicStep$new()

• TicStep$run()

• TicStep$prepare()

• TicStep$check()

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Method new()

Create a TicStep object.

Usage

TicStep$new()

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Method run()

This method must be overridden, it is called when running the stage to which a step has been added.

Usage

TicStep$run()

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Method prepare()

This is just a placeholder. This method is called when preparing the stage to which a step has been added. It auto-install all packages which are needed for a certain step. For example, step_build_pkgdown() requires the pkgdown package.

For add_code_step(), it autodetects any package calls in the form of pkg::fun and tries to install these packages from CRAN. If a steps prepare_call is not empty, the $prepare method is skipped for this step. This can be useful if a package should be installed from non-standard repositories, e.g. from GitHub.

Usage

TicStep$prepare()

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Method check()

This method determines if a step is prepared and run. Return FALSE if conditions for running this step are not met.

Usage

TicStep$check()