MarkX

0.1.4

Types/MarkX/get_TableOfContents.ps1

                                <#

.SYNOPSIS

    Gets Markdown Table of Contents

.DESCRIPTION

    Gets a Markdown Table of Contents for the current Markdown.

    This will create a series of bullet points linking to each heading level.

.EXAMPLE

    $m = markx @(

        "# h1 "

        "## h2"

        "## h2-2" 

        "### h3" 

        "##### h5" 

        "##### h5-2" 

        "###### h6" 

        "## h2-2"

        "# h1-2"

        "### h3-3"

        "#### h4"

        "#### h4-2"

        "## h2-3"

    )

    $m.TableOfContents

#>

param()

$currentDepth = 0

$currentHeadingLevel = 1

$headingDepths = [Ordered]@{"1"=0}

$headings = @($this.Heading)

for ($headingIndex = 0; $headingIndex -lt $headings.Length; $headingIndex++) {

    $heading = $headings[$headingIndex]

    $headingLevel = ($heading.LocalName -replace 'h') -as [int]

    if ($headingLevel -gt $currentHeadingLevel) {

        $currentDepth += 2

        $currentHeadingLevel = $headingLevel

        $headingDepths["$headingLevel"] = $currentDepth

    }

    elseif ($headingLevel -lt $currentHeadingLevel) {

        if ($null -ne $headingDepths["$headingLevel"]) {

            $currentDepth = $headingDepths["$headingLevel"]

        } else {

            $currentDepth -= 2

        }

        $currentHeadingLevel = $headingLevel        

    }

    if (-not $currentDepth) {

        $headingDepths = @{"1"=0}

    }

    "$(' ' * $currentDepth)* [$($heading.InnerText)](#$($heading.id))"

}

foreach ($heading in $this.Heading) {

}