`class Slide`

A single slide parsed from a Markdown file.

Each slide has YAML front_matter for metadata (template, duration, focus), content sections split by Markdown headings, and optional presenter notes separated by ---.

Nested

Definitions

`def self.load(presentation, path)`

Load and parse a slide from a Markdown file.

Signature

parameter　presentation　Presentation: The presentation which owns the slide.
parameter　path　String: The slide path relative to the presentation root.
returns　Slide

Implementation

def self.load(presentation, path)
	Parser.load(presentation, path)
end

`def initialize(presentation, path, front_matter: nil, content: {}, notes: nil, script: nil)`

Initialize a slide with pre-parsed data.

Signature

parameter　presentation　Presentation: The presentation which owns the slide.
parameter　path　String: The slide path relative to the presentation root.
parameter　front_matter　Hash | Nil: The parsed YAML front_matter.
parameter　content　Hash(String, Fragment): Content sections keyed by heading name.
parameter　notes　Fragment | Nil: The presenter notes as a Markly AST fragment.
parameter　script　String | Nil: JavaScript to execute after the slide renders.

Implementation

def initialize(presentation, path, front_matter: nil, content: {}, notes: nil, script: nil)
	@presentation = presentation
	@path = path
	@front_matter = front_matter
	@content = content
	@notes = notes
	@script = script
end

`attr :presentation`

Signature

attribute　Presentation: The presentation which owns the slide.

`attr :path`

Signature

attribute　String: The slide path relative to the presentation root.

`def source_path`

The absolute path of the slide source file.

Signature

returns　String

Implementation

def source_path
	File.join(@presentation.root, @path)
end

`attr :front_matter`

Signature

attribute　Hash | Nil: The parsed YAML front_matter.

`attr :content`

Signature

attribute　Hash(String, Fragment): The content sections keyed by heading name.

`attr :notes`

Signature

attribute　Fragment | Nil: The presenter notes as a Markly AST fragment.

`attr :script`

Signature

attribute　String | Nil: JavaScript to execute after the slide renders on the display.

`def template`

The template to use for rendering this slide.

Signature

returns　String: The template name from front_matter, or "default".

Implementation

def template
	@front_matter&.fetch("template", "default") || "default"
end

`def duration`

The expected duration of this slide in seconds.

Signature

returns　Integer: The duration from front_matter, or 60.

Implementation

def duration
	@front_matter&.fetch("duration", 60) || 60
end

`def title`

The title of this slide.

Signature

returns　String: The title from front_matter, or the filename without extension.

Implementation

def title
	@front_matter&.fetch("title", File.basename(@path, ".md")) || File.basename(@path, ".md")
end

`def skip?`

Whether this slide should be skipped in the presentation.

Signature

returns　Boolean

Implementation

def skip?
	@front_matter&.fetch("skip", false) || false
end

`def marker`

The navigation marker for this slide, used in the presenter's jump-to dropdown.

Signature

returns　String | Nil: The marker label, or nil if not marked.

Implementation

def marker
	@front_matter&.fetch("marker", nil)
end

`def transition`

The transition type for animating into this slide.

Signature

returns　String | Nil: The transition name (e.g. "fade", "slide-left", "slide-right"), or nil for instant swap.

Implementation

def transition
	@front_matter&.fetch("transition", nil)
end

`def speaker`

The name of the speaker presenting this slide.

Signature

returns　String | Nil: The speaker name from front_matter, or nil if not specified.

Implementation

def speaker
	@front_matter&.fetch("speaker", nil)
end

`def focus`

The line range to focus on for code slides.

Signature

returns　Array(Integer, Integer) | Nil: The [start, end] line numbers (1-based), or nil.

Implementation

def focus
	if range = @front_matter&.fetch("focus", nil)
		parts = range.to_s.split("-").map(&:to_i)
		parts.length == 2 ? parts : nil
	end
end