Functions/Get-Puppeteer_RetrieveTextFromSelector.ps1
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<#
.SYNOPSIS This function returns the Node JS Puppeteer code for retrieving text from a selector on a browser page. #> function Get-Puppeteer_RetrieveTextFromSelector { [CmdletBinding(PositionalBinding=$true)] [OutputType([String])] param ( # The name of the selector. [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [String]$selectorName, # The variable to save the text in. [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [String]$variableName ) # Generate the code $code = @" selector = '%selectorName%' await page.waitForSelector(selector); %variableName% = await page.evaluate(selector => { const anchors = Array.from(document.querySelectorAll(selector)); return anchors.map(anchor => { return anchor.textContent; }); }, selector); "@ $code = $code -replace "%selectorName%", $selectorName $code = $code -replace "%variableName%", $variableName # Return the code return $code } |