valueobject

package
v0.1.16 Latest Latest
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 Go to latest Published: Feb 10, 2025 License: Apache-2.0 Imports: 59 Imported by: 0

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Index

Constants

View Source 
const (
	ActionResize = "resize"
	ActionCrop   = "crop"
	ActionFit    = "fit"
	ActionFill   = "fill"
)
View Source 
const (
	NsHugoImport            = "ns-hugo-imp"
	NsHugoImportResolveFunc = "ns-hugo-imp-func"
)
View Source 
const (
	PrefixHugoVirtual = "__hu_v"
	PrefixHugoMemory  = "__hu_m"
)
View Source 
const (
	HugoVarsNamespace = "hugo:vars"
)

Variables

View Source 
var DartSassBinaryName string

Functions

func ClassifyType 

func ClassifyType(t string) string

func ColorGoToHexString added in v0.1.15 

func ColorGoToHexString(c color.Color) string

ColorGoToHexString converts a color.Color to a hex string.

func ContentReadSeekerCloser 

func ContentReadSeekerCloser(r resources.Resource) (pio.ReadSeekCloser, error)

ContentReadSeekerCloser returns a ReadSeekerCloser if possible for a given Resource.

func CreateVarsStyleSheet 

func CreateVarsStyleSheet(vars map[string]any) string

func DefaultExtension 

func DefaultExtension(f resources.ImageFormat) string

DefaultExtension returns the default file extension of this format, starting with a dot. For example: .jpg for resources.JPEG

func ImageFormatFromExt 

func ImageFormatFromExt(ext string) (resources.ImageFormat, bool)

func ImageFormatFromMediaSubType 

func ImageFormatFromMediaSubType(sub string) (resources.ImageFormat, bool)

func IsDartSassV2 

func IsDartSassV2() bool

func IsOpaque 

func IsOpaque(img image.Image) bool

IsOpaque returns false if the images has alpha channel and there is at least 1 pixel that is not (fully) opaque.

func MediaType 

func MediaType(f resources.ImageFormat) media.Type

MediaType returns the media type of this images, e.g. images/jpeg for resources.JPEG

func RequiresDefaultQuality 

func RequiresDefaultQuality(f resources.ImageFormat) bool

RequiresDefaultQuality returns if the default quality needs to be applied to images of this format.

func ResolveComponent added in v0.1.15 

func ResolveComponent[T any](impPath string, resolve func(string) (v T, found, isDir bool)) (v T, found bool)

ResolveComponent resolves a component using the given resolver.

func SetDartSassBinaryName 

func SetDartSassBinaryName()

func SourcesFromSourceMap added in v0.1.15 

func SourcesFromSourceMap(s string) []string

Used in tests.

func SupportsTransparency 

func SupportsTransparency(f resources.ImageFormat) bool

SupportsTransparency reports whether it supports transparency in any form.

func ToFilters 

func ToFilters(in any) []gift.Filter

ToFilters converts the given input to a slice of gift.Filter.

func UnwrapFilter 

func UnwrapFilter(in gift.Filter) gift.Filter

UnwrapFilter unwraps the given filter if it is a filter wrapper.

Types

type BuildClient added in v0.1.15 

type BuildClient struct {
	FsService resources.Fs
	Log       loggers.Logger
}

BuildClient is a client for building JavaScript resources using esbuild.

func NewBuildClient added in v0.1.15 

func NewBuildClient(fs resources.Fs, log loggers.Logger) *BuildClient

NewBuildClient creates a new BuildClient.

func (*BuildClient) Build added in v0.1.15 

func (c *BuildClient) Build(opts Options) (api.BuildResult, error)

Build builds the given JavaScript resources using esbuild with the given options.

type Color added in v0.1.15 

type Color struct {
	// contains filtered or unexported fields
}

func (Color) ColorGo added in v0.1.15 

func (c Color) ColorGo() color.Color

ColorGo returns the color as a color.Color. For internal use only.

func (Color) ColorHex added in v0.1.15 

func (c Color) ColorHex() string

ColorHex returns the color as a hex string prefixed with a #.

func (Color) Hash added in v0.1.15 

func (c Color) Hash() (uint64, error)

For hashstructure. This struct is used in template func options that needs to be able to hash a Color. For internal use only.

func (Color) Luminance added in v0.1.15 

func (c Color) Luminance() float64

Luminance as defined by w3.org. See https://www.w3.org/TR/WCAG21/#dfn-relative-luminance

func (Color) String added in v0.1.15 

func (c Color) String() string

String returns the color as a hex string prefixed with a #.

type DartSassOptions 

type DartSassOptions struct {
	// Hugo, will by default, just replace the extension of the source
	// to .css, e.g. "scss/main.scss" becomes "scss/main.css". You can
	// control this by setting this, e.g. "styles/main.css" will create
	// a Resource with that as a base for RelPermalink etc.
	TargetPath string

	// Hugo automatically adds the entry directories (where the main.scss lives)
	// for project and themes to the list of include paths sent to LibSASS.
	// Any paths set in this setting will be appended. Note that these will be
	// treated as relative to the working dir, i.e. no include paths outside the
	// project/themes.
	IncludePaths []string

	// Default is nested.
	// One of nested, expanded, compact, compressed.
	OutputStyle string

	// When enabled, Hugo will generate a source map.
	EnableSourceMap bool

	// If enabled, sources will be embedded in the generated source map.
	SourceMapIncludeSources bool

	// Vars will be available in 'hugo:vars', e.g:
	//     @use "hugo:vars";
	//     $color: vars.$color;
	Vars map[string]any
}

func DecodeDartSassOptions 

func DecodeDartSassOptions(m map[string]any) (opts DartSassOptions, err error)

type ErrorMessageResolved added in v0.1.15 

type ErrorMessageResolved struct {
	Path    string
	Message string
	Content pio.ReadSeekCloser
}

ErrorMessageResolved holds a resolved error message.

type ExternalOptions added in v0.1.15 

type ExternalOptions struct {
	// If not set, the source path will be used as the base target path.
	// Note that the target path's extension may change if the target MIME type
	// is different, e.g. when the source is TypeScript.
	TargetPath string

	// Whether to minify to output.
	Minify bool

	// One of "inline", "external", "linked" or "none".
	SourceMap string

	SourcesContent bool

	// The language target.
	// One of: es2015, es2016, es2017, es2018, es2019, es2020 or esnext.
	// Default is esnext.
	Target string

	// The output format.
	// One of: iife, cjs, esm
	// Default is to esm.
	Format string

	// One of browser, node, neutral.
	// Default is browser.
	// See https://esbuild.github.io/api/#platform
	Platform string

	// External dependencies, e.g. "react".
	Externals []string

	// This option allows you to automatically replace a global variable with an import from another file.
	// The filenames must be relative to /assets.
	// See https://esbuild.github.io/api/#inject
	Inject []string

	// User defined symbols.
	Defines map[string]any

	// Maps a component import to another.
	Shims map[string]string

	// Configuring a loader for a given file type lets you load that file type with an
	// import statement or a require call. For example, configuring the .png file extension
	// to use the data URL loader means importing a .png file gives you a data URL
	// containing the contents of that image
	//
	// See https://esbuild.github.io/api/#loader
	Loaders map[string]string

	// User defined params. Will be marshaled to JSON and available as "@params", e.g.
	//     import * as params from '@params';
	Params any

	// What to use instead of React.createElement.
	JSXFactory string

	// What to use instead of React.Fragment.
	JSXFragment string

	// What to do about JSX syntax.
	// See https://esbuild.github.io/api/#jsx
	JSX string

	// Which library to use to automatically import JSX helper functions from. Only works if JSX is set to automatic.
	// See https://esbuild.github.io/api/#jsx-import-source
	JSXImportSource string

	// There is/was a bug in WebKit with severe performance issue with the tracking
	// of TDZ checks in JavaScriptCore.
	//
	// Enabling this flag removes the TDZ and `const` assignment checks and
	// may improve performance of larger JS codebases until the WebKit fix
	// is in widespread use.
	//
	// See https://bugs.webkit.org/show_bug.cgi?id=199866
	// Deprecated: This no longer have any effect and will be removed.
	// TODO(bep) remove. See https://github.com/evanw/esbuild/commit/869e8117b499ca1dbfc5b3021938a53ffe934dba
	AvoidTDZ bool
}

ExternalOptions holds user facing options for the js.Build template function.

func DecodeExternalOptions added in v0.1.15 

func DecodeExternalOptions(m map[string]any) (ExternalOptions, error)

DecodeExternalOptions decodes the given map into ExternalOptions.

type FileCaches 

type FileCaches map[string]*filecache.Cache

FileCaches is a named set of caches.

func (FileCaches) AssetsCache 

func (f FileCaches) AssetsCache() *filecache.Cache

AssetsCache gets the file cache for assets (processed resources, SCSS etc.).

func (FileCaches) Get 

func (f FileCaches) Get(name string) *filecache.Cache

Get gets a named cache, nil if none found.

func (FileCaches) GetCSVCache 

func (f FileCaches) GetCSVCache() *filecache.Cache

GetCSVCache gets the file cache for getCSV.

func (FileCaches) GetJSONCache 

func (f FileCaches) GetJSONCache() *filecache.Cache

GetJSONCache gets the file cache for getJSON.

func (FileCaches) GetResourceCache 

func (f FileCaches) GetResourceCache() *filecache.Cache

GetResourceCache gets the file cache for remote resources.

func (FileCaches) ImageCache 

func (f FileCaches) ImageCache() *filecache.Cache

type Filter 

type Filter struct {
	Options filterOpts
	gift.Filter
}

type Filters added in v0.1.15 

type Filters struct{}

func (*Filters) AutoOrient added in v0.1.15 

func (*Filters) AutoOrient() gift.Filter

AutoOrient creates a filter that rotates and flips an image as needed per its EXIF orientation tag.

func (*Filters) Brightness added in v0.1.15 

func (*Filters) Brightness(percentage any) gift.Filter

Brightness creates a filter that changes the brightness of an image. The percentage parameter must be in range (-100, 100).

func (*Filters) ColorBalance added in v0.1.15 

func (*Filters) ColorBalance(percentageRed, percentageGreen, percentageBlue any) gift.Filter

ColorBalance creates a filter that changes the color balance of an image. The percentage parameters for each color channel (red, green, blue) must be in range (-100, 500).

func (*Filters) Colorize added in v0.1.15 

func (*Filters) Colorize(hue, saturation, percentage any) gift.Filter

Colorize creates a filter that produces a colorized version of an image. The hue parameter is the angle on the color wheel, typically in range (0, 360). The saturation parameter must be in range (0, 100). The percentage parameter specifies the strength of the effect, it must be in range (0, 100).

func (*Filters) Contrast added in v0.1.15 

func (*Filters) Contrast(percentage any) gift.Filter

Contrast creates a filter that changes the contrast of an image. The percentage parameter must be in range (-100, 100).

func (*Filters) Dither added in v0.1.15 

func (*Filters) Dither(options ...any) gift.Filter

Dither creates a filter that dithers an image.

func (*Filters) Gamma added in v0.1.15 

func (*Filters) Gamma(gamma any) gift.Filter

Gamma creates a filter that performs a gamma correction on an image. The gamma parameter must be positive. Gamma = 1 gives the original image. Gamma less than 1 darkens the image and gamma greater than 1 lightens it.

func (*Filters) GaussianBlur added in v0.1.15 

func (*Filters) GaussianBlur(sigma any) gift.Filter

GaussianBlur creates a filter that applies a gaussian blur to an image.

func (*Filters) Grayscale added in v0.1.15 

func (*Filters) Grayscale() gift.Filter

Grayscale creates a filter that produces a grayscale version of an image.

func (*Filters) Hue added in v0.1.15 

func (*Filters) Hue(shift any) gift.Filter

Hue creates a filter that rotates the hue of an image. The hue angle shift is typically in range -180 to 180.

func (*Filters) Invert added in v0.1.15 

func (*Filters) Invert() gift.Filter

Invert creates a filter that negates the colors of an image.

func (*Filters) Opacity added in v0.1.15 

func (*Filters) Opacity(opacity any) gift.Filter

Opacity creates a filter that changes the opacity of an image. The opacity parameter must be in range (0, 1).

func (*Filters) Overlay added in v0.1.15 

func (*Filters) Overlay(src ImageSource, x, y any) gift.Filter

Overlay creates a filter that overlays src at position x y.

func (*Filters) Padding added in v0.1.15 

func (*Filters) Padding(args ...any) gift.Filter

Padding creates a filter that resizes the image canvas without resizing the image. The last argument is the canvas color, expressed as an RGB or RGBA hexadecimal color. The default value is `ffffffff` (opaque white). The preceding arguments are the padding values, in pixels, using the CSS shorthand property syntax. Negative padding values will crop the image. The signature is images.Padding V1 [V2] [V3] [V4] [COLOR].

func (*Filters) Pixelate added in v0.1.15 

func (*Filters) Pixelate(size any) gift.Filter

Pixelate creates a filter that applies a pixelation effect to an image.

func (*Filters) Process added in v0.1.15 

func (*Filters) Process(spec any) gift.Filter

Process creates a filter that processes an image using the given specification.

func (*Filters) Saturation added in v0.1.15 

func (*Filters) Saturation(percentage any) gift.Filter

Saturation creates a filter that changes the saturation of an image.

func (*Filters) Sepia added in v0.1.15 

func (*Filters) Sepia(percentage any) gift.Filter

Sepia creates a filter that produces a sepia-toned version of an image.

func (*Filters) Sigmoid added in v0.1.15 

func (*Filters) Sigmoid(midpoint, factor any) gift.Filter

Sigmoid creates a filter that changes the contrast of an image using a sigmoidal function and returns the adjusted image. It's a non-linear contrast change useful for photo adjustments as it preserves highlight and shadow detail.

func (*Filters) Text added in v0.1.15 

func (*Filters) Text(text string, options ...any) gift.Filter

Text creates a filter that draws text with the given options.

func (*Filters) UnsharpMask added in v0.1.15 

func (*Filters) UnsharpMask(sigma, amount, threshold any) gift.Filter

UnsharpMask creates a filter that sharpens an image. The sigma parameter is used in a gaussian function and affects the radius of effect. Sigma must be positive. Sharpen radius roughly equals 3 * sigma. The amount parameter controls how much darker and how much lighter the edge borders become. Typically between 0.5 and 1.5. The threshold parameter controls the minimum brightness change that will be sharpened. Typically between 0 and 0.05.

type Giphy 

type Giphy struct {
	image.Image
	Gif *gif.GIF
}

func (*Giphy) GIF 

func (g *Giphy) GIF() *gif.GIF

type Image 

type Image struct {
	ImageFormat resources.ImageFormat
	Spec        pio.ReadSeekCloserProvider
	// contains filtered or unexported fields
}

func NewImage 

func NewImage(f resources.ImageFormat, img image.Image, s pio.ReadSeekCloserProvider) *Image

func (*Image) EncodeTo 

func (i *Image) EncodeTo(conf ImageConfig, img image.Image, w io.Writer) error

func (*Image) Height 

func (i *Image) Height() int

Height returns i's height.

func (*Image) InitConfig 

func (i *Image) InitConfig(r io.Reader) error

InitConfig reads the images config from the given reader.

func (*Image) Width 

func (i *Image) Width() int

Width returns i's width.

func (*Image) WithImage 

func (i *Image) WithImage(img image.Image) *Image

func (*Image) WithSpec 

func (i *Image) WithSpec(s pio.ReadSeekCloserProvider) *Image

type ImageConfig 

type ImageConfig struct {
	// This defines the output format of the output images. It defaults to the source format.
	TargetFormat resources.ImageFormat

	Action string

	// If set, this will be used as the key in filenames etc.
	Key string

	// Quality ranges from 1 to 100 inclusive, higher is better.
	// This is only relevant for JPEG and WEBP images.
	// Default is 75.
	Quality int

	// Rotate rotates an images by the given angle counter-clockwise.
	// The rotation will be performed first.
	Rotate int

	// Used to fill any transparency.
	// When set in site config, it's used when converting to a format that does
	// not support transparency.
	// When set per images operation, it's used even for formats that does support
	// transparency.
	BgColor    color.Color
	BgColorStr string

	// Hint about what type of picture this is. Used to optimize encoding
	// when target is set to webp.
	Hint webpoptions.EncodingPreset

	Width  int
	Height int

	Filter    gift.Resampling
	FilterStr string

	Anchor    gift.Anchor
	AnchorStr string
	// contains filtered or unexported fields
}

ImageConfig holds configuration to create a new images from an existing one, resize etc.

func DecodeImageConfig 

func DecodeImageConfig(action string, options []string, defaults resources.ImageConfig, sourceFormat resources.ImageFormat) (ImageConfig, error)

func GetDefaultImageConfig 

func GetDefaultImageConfig(action string, defaults resources.ImageConfig) ImageConfig

func (ImageConfig) GetKey 

func (i ImageConfig) GetKey(format resources.ImageFormat) string

type ImageFilterFromOrientationProvider 

type ImageFilterFromOrientationProvider interface {
	AutoOrient(exifInfo *exif.ExifInfo) gift.Filter
}

type ImageProcessSpecProvider 

type ImageProcessSpecProvider interface {
	ImageProcessSpec() string
}

type ImageProcessor 

type ImageProcessor struct {
	ExifDecoder *exif.Decoder
}

func (*ImageProcessor) ApplyFiltersFromConfig 

func (p *ImageProcessor) ApplyFiltersFromConfig(src image.Image, conf ImageConfig) (image.Image, error)

func (*ImageProcessor) DecodeExif 

func (p *ImageProcessor) DecodeExif(r io.Reader) (*exif.ExifInfo, error)

func (*ImageProcessor) Filter 

func (p *ImageProcessor) Filter(src image.Image, filters ...gift.Filter) (image.Image, error)

func (*ImageProcessor) FiltersFromConfig 

func (p *ImageProcessor) FiltersFromConfig(src image.Image, conf ImageConfig) ([]gift.Filter, error)

type ImageSource 

type ImageSource interface {
	DecodeImage() (image.Image, error)
	Key() string
}

ImageSource identifies and decodes an images.

type ImportResolver 

type ImportResolver struct {
	BaseDir           string
	FsService         resources.Fs
	DependencyManager identity.Manager
	VarsStylesheet    godartsass.Import
}

func (ImportResolver) CanonicalizeURL 

func (t ImportResolver) CanonicalizeURL(url string) (string, error)

func (ImportResolver) Load 

func (t ImportResolver) Load(url string) (godartsass.Import, error)

type ImportResolverV1 

type ImportResolverV1 struct {
	godartsass.ImportResolver
}

func (ImportResolverV1) Load 

func (t ImportResolverV1) Load(url string) (godartsassv1.Import, error)

type InternalOptions added in v0.1.15 

type InternalOptions struct {
	MediaType     media.Type
	OutDir        string
	Contents      string
	SourceDir     string
	ResolveDir    string
	AbsWorkingDir string
	Metafile      bool

	StdinSourcePath string

	DependencyManager identity.Manager

	Stdin                   bool // Set to true to pass in the entry point as a byte slice.
	Splitting               bool
	TsConfig                string
	EntryPoints             []string
	ImportOnResolveFunc     func(string, api.OnResolveArgs) string
	ImportOnLoadFunc        func(api.OnLoadArgs) string
	ImportParamsOnLoadFunc  func(args api.OnLoadArgs) json.RawMessage
	ErrorMessageResolveFunc func(api.Message) *ErrorMessageResolved
	ResolveSourceMapSource  func(string) string // Used to resolve paths in error source maps.
}

InternalOptions holds internal options for the js.Build template function.

type Options added in v0.1.15 

type Options struct {
	ExternalOptions
	InternalOptions
	// contains filtered or unexported fields
}

Options holds the options passed to Build.

type PublishOnce 

type PublishOnce struct {
	PublisherInit sync.Once
	PublisherErr  error
}

type ResTransCtxBuilder 

type ResTransCtxBuilder struct {
	DepSvc resources.DependenceSvc
	PubSvc resources.PublishSvc
	// contains filtered or unexported fields
}

func NewResourceTransformationCtxBuilder 

func NewResourceTransformationCtxBuilder(d resources.DependenceSvc, p resources.PublishSvc) *ResTransCtxBuilder

func (*ResTransCtxBuilder) Build 

func (b *ResTransCtxBuilder) Build() *ResourceTransformationCtx

func (*ResTransCtxBuilder) WithMediaType 

func (b *ResTransCtxBuilder) WithMediaType(m media.Type) *ResTransCtxBuilder

func (*ResTransCtxBuilder) WithSource 

func (b *ResTransCtxBuilder) WithSource(src pio.ReadSeekCloser) *ResTransCtxBuilder

func (*ResTransCtxBuilder) WithTargetPath 

func (b *ResTransCtxBuilder) WithTargetPath(targetPath string) *ResTransCtxBuilder

type ResourceHash 

type ResourceHash struct {
	Value    string
	Size     int64
	InitOnce sync.Once
}

func (*ResourceHash) Setup 

func (r *ResourceHash) Setup(l io.ReadSeekCloserProvider) error

type ResourceMetadata 

type ResourceMetadata struct {
	Target     string         `json:"Target"`
	MediaTypeV string         `json:"MediaType"`
	MetaData   map[string]any `json:"Data"`
}

func (ResourceMetadata) Marshal 

func (r ResourceMetadata) Marshal() ([]byte, error)

func (ResourceMetadata) Unmarshal 

func (r ResourceMetadata) Unmarshal(data []byte) (ResourceMetadata, error)

type ResourcePaths 

type ResourcePaths struct {
	// This is the directory component for the target file or link.
	Dir string

	// Any base directory for the target file. Will be prepended to Dir.
	BaseDirTarget string

	// This is the directory component for the link will be prepended to Dir.
	BaseDirLink string

	// Set when publishing in a multihost setup.
	TargetBasePaths []string

	// This is the File component, e.g. "data.json".
	File string
}

ResourcePaths holds path information for a resource. All directories in here have Unix-style slashes, with leading slash, but no trailing slash. Empty directories are represented with an empty string.

func NewResourcePaths 

func NewResourcePaths(targetPath string, svc resources.URLConfig) ResourcePaths

func (ResourcePaths) FromTargetPath 

func (d ResourcePaths) FromTargetPath(targetPath string) ResourcePaths

func (ResourcePaths) Path 

func (d ResourcePaths) Path() string
func (d ResourcePaths) PathBaseDirLink() string

func (ResourcePaths) PathBaseDirTarget 

func (d ResourcePaths) PathBaseDirTarget() string

func (ResourcePaths) PathDir 

func (d ResourcePaths) PathDir() string

func (ResourcePaths) PathFile 

func (d ResourcePaths) PathFile() string

func (ResourcePaths) PathTargetBasePaths 

func (d ResourcePaths) PathTargetBasePaths() []string

func (ResourcePaths) TargetFilenames 

func (d ResourcePaths) TargetFilenames() []string
func (d ResourcePaths) TargetLink() string

func (ResourcePaths) TargetPath 

func (d ResourcePaths) TargetPath() string

func (ResourcePaths) TargetPaths 

func (d ResourcePaths) TargetPaths() []string

type ResourceTransformationCtx 

type ResourceTransformationCtx struct {
	// The context that started the transformation.
	Ctx context.Context

	DepSvc resources.DependenceSvc
	PubSvc resources.PublishSvc

	Source *TransformationSource
	Target *TransformationTarget

	// Data data can be set on the transformed Resource. Not that this need
	// to be simple types, as it needs to be serialized to JSON and back.
	Data map[string]any
	// contains filtered or unexported fields
}

func (*ResourceTransformationCtx) AddOutPathIdentifier 

func (ctx *ResourceTransformationCtx) AddOutPathIdentifier(identifier string)

AddOutPathIdentifier transforming InPath to OutPath adding an identifier, eg '.min' before any extension.

func (*ResourceTransformationCtx) Close 

func (ctx *ResourceTransformationCtx) Close()

func (*ResourceTransformationCtx) ReplaceOutPathExtension 

func (ctx *ResourceTransformationCtx) ReplaceOutPathExtension(newExt string)

ReplaceOutPathExtension transforming InPath to OutPath replacing the file extension, e.g. ".scss"

func (*ResourceTransformationCtx) SourcePath 

func (ctx *ResourceTransformationCtx) SourcePath() string

func (*ResourceTransformationCtx) UpdateBuffer 

func (ctx *ResourceTransformationCtx) UpdateBuffer()

func (*ResourceTransformationCtx) UpdateSource 

func (ctx *ResourceTransformationCtx) UpdateSource()

type ResourceTransformationKey 

type ResourceTransformationKey struct {
	Name string
	// contains filtered or unexported fields
}

ResourceTransformationKey are provided by the different transformation implementations. It identifies the transformation (name) and its configuration (elements). We combine this in a chain with the rest of the transformations with the target filename and a content hash of the origin to use as cache key.

func NewResourceTransformationKey 

func NewResourceTransformationKey(name string, elements ...any) ResourceTransformationKey

NewResourceTransformationKey creates a new ResourceTransformationKey from the transformation name and elements. We will create a 64 bit FNV hash from the elements, which when combined with the other key elements should be unique for all practical applications.

func (ResourceTransformationKey) Value 

func (k ResourceTransformationKey) Value() string

Value returns the Key as a string. Do not change this without good reasons.

type TransformationSource 

type TransformationSource struct {
	// The Content to transform.
	From io.Reader

	// This is the relative target path to the resource. Unix styled slashes.
	InPath string

	// The input media type
	InMediaType media.Type
}

type TransformationTarget 

type TransformationTarget struct {
	// The target of Content transformation.
	// The current implementation requires that r is written to w
	// even if no transformation is performed.
	To io.Writer

	// The relative target path to the transformed resource. Unix styled slashes.
	OutPath string

	// The media type of the transformed resource.
	OutMediaType media.Type
}

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