appendStringRaw appends a string value to the buffer without escaping.

parsePositiveInt parses a positive integer option value

Delete removes an option by its key.

Enabled checks if the hook is enabled for the given log level.

NewOptionsBuilder creates a new OptionsBuilder.

ReadersEqual compares two io.Reader contents in a streaming manner. It fails the test if contents differ or if reading fails.

Shutdown gracefully shuts down the server

String returns the string representation of the options, joining them with '/'.

Type returns the current colorspace interpretation of the image.

appendKey appends an attribute key to the buffer.

CopyValue copies a value from one option key to another.

ErrorEmpty formats an error message for empty env var

ErrorNegative formats an error message for negative env var

Has checks if an option key exists.

IsVector checks if the image type is a vector format.

NewHandler creates a new [Handler] instance.

Path returns the absolute path to a file in the testdata directory

RegisterDetector registers a custom detector function on this registry instance

appendKey appends an attribute key to the buffer.

free truncates the buffer and returns it to the pool.

DocsBaseURL returns documentation base url set for context or default

ErrorRange formats an error message for out of range env var

FileEqualsToReader compares the contents of a test data file with the contents of the given reader

NewFromBytesWithFormat creates a new ImageData instance from the provided format and byte slice.

NewLatch creates a new Latch.

NewRoundTripper creates a new RoundTripper

NewTestDataProvider creates a new TestDataProvider

Read reads data into p from the buffered reader.

Seek sets the position of the reader to the given offset and returns the new position

SetOriginHeaders sets the origin headers for the request.

maxAgeValue parses max-age from cache-control

AddChild creates a new child Options that inherits from the current Options. If the current Options already has a child, it returns the existing child

CheckTimeout checks if the request context has timed out or cancelled and returns wrapped error.

CopyAll copies all headers from one header to another.

Cursor returns the current cursor value. Capture this before checking your condition, then pass it to Wait().

Detect runs image format detection

ErrorType returns the type name of the given error. If the error is [WrappedError], it returns the type of the inner error.

Filter creates a copy of Meta with only the specified keys.

Level returns the minimum log level for the handler.

NestedMap returns Options as a nested map[string]any. Each key is split by dots (.) and the resulting keys are used to create a nested structure. If t

NewObjectOK creates a new Reader with a 200 OK status.

NewWrappedError creates a new [WrappedError] with the given error and options. It wraps the provided even if it already is an [WrappedError] and alway

SetExpires sets the TTL from time

Format returns the image format from the metadata (shortcut)

Stats returns the stats instance

Tick signals that an event has occurred by closing the channel and incrementing cursor.

WrapWithStackSkip creates a new [WrappedError] with the given error and options. It the first stackSkip frames from the call stack. If the provided e

appendString appends a string value to the buffer, applying quoting rules as necessary.

mustReadByte reads a single byte from the reader. If an error occurs, it sets d.err and returns false. If io.EOF is encountered, it sets d.err to a mo

newInvalidArgsError creates a standardized error for invalid arguments

AppendToSlice appends a value to a slice option. If the option does not exist, it creates a new slice with the value.

Cancel cancels the request context

Descendants returns an iterator over the child Options if any.

Detect attempts to detect the image type from a reader. It first tries magic byte detection, then custom detectors in registration order

DurationMillis defines duration env var descriptor. Parses an integer as milliseconds.

Error returns the error that occurred during reading data in background.

GetEnv returns the value of the env variable

GetTypeByName returns all registered image types.

Map returns a copy of the Options as a map[string]any If the Options has a child, it combines the main and child maps, prepending each key with the op

NewImageHash creates a new hash from an image reader

NewObjectNotModified creates a new Reader with a 304 Not Modified status.

NewWriter wraps [http.ResponseWriter] into [Writer].

RegisterProtocol registers a new transport protocol with the transport

RequestsInProgress returns the current number of requests in progress

SetStatusCode sets the status code that will be returned by the server

SliceContains checks if a slice option contains a specific value. If the option does not exist, it returns false. If the value exists but is of a diff

WithReportError handles error reporting. It should be placed after `WithMonitoring`, but before `WithPanic`.

WorkersUtilization returns the current workers utilization percentage