Fix duplicate PathBase in OpengraphImageUrl in page template view.
Targets GOV.UK Frontend v5.2.0.
The StaticAssetsContentPath and CompiledContentPath properties on GovUkFrontendOptions have been changed from string to PathString?.
The GenerateScriptImports, GenerateStyleImports and GetCspScriptHashes methods on PageTemplateHelper and the corresponding extension methods over IHtmlHelper
have had overloads added that take a PathString pathBase parameter.
The _GovUkPageTemplate.cshtml view has been fixed to respect HttpRequest.PathBase.
Middleware has been added to rewrite the URL references in all.min.css to respect HttpRequest.PathBase and the StaticAssetsContentPath.
New overloads of GenerateScriptImports and GenerateStyleImports have been added that accept an appendVersion parameter.
This appends a query string with a hash of the file's contents so that content changes following upgrades are seen by end users.
A GetCspScriptHashes extension method on IHtmlHelper has been added that forwards to the same method on PageTemplateHelper.
Targets GOV.UK Frontend v5.1.0.
Previously the GOV.UK Frontend library's assets were always hosted at the root of the application.
Many applications generate their own CSS and/or JavaScript bundles and don't need the standard versions at all, though they likely still need the static assets (fonts, images etc.).
There are now two properties on GovUkFrontendOptions to control the hosting of the static assets and the compiled assets - StaticAssetsContentPath (default /assets) and CompiledContentPath (default /govuk), respectively.
Applications that build and reference their own CSS and JavaScript can set CompiledContentPath to null to skip hosting the standard compiled assets. Similarly, setting StaticAssetsContentPath to null will skip hosting the static assets.
PageTemplateHelper and the _GovUkPageTemplate.cshtml view have been updated to respect the StaticAssetsContentPath and CompiledContentPath paths set on GovUkFrontendOptions.
An additional ViewData key can now be passed to _GovUkPageTemplate.cshtml - AssetPath. When specified, it will be used in place of the StaticAssetsContentPath value from GovUkFrontendOptions for referencing static asserts.
GovUkFrontendJsEnabledScript, GovUkFrontendScriptImports and GovUkFrontendStyleImports extension methods have been added over IHtmlHelper that wrap the
GenerateJsEnabledScript, GovUkFrontendScriptImports and GovUkFrontendStyleImports methods on PageTemplateHelper, respectively.
bool tag helper properties have been changed to bool?.
This is so that it's possible to differentiate between properties that have been explicitly initialized and those that have been left at the default values.
With this, other tag helpers or tag helper initializers can be created that assign default values to these properties.
This option was used to automatically add style and JavaScript imports to all Razor views.
PageTemplateHelper and the _GovUkPageTemplate.cshtml layout view are better ways to generate a full page template now so this option, along with the backing tag helper component, have been removed.
The og:image meta tag in the _GovUkPageTemplate.cshtml view is now an absolute URL.