Module canonical 

URL canonicalization for LinkMarks.

The full ruleset lives in this module’s doc-comment on canonicalize.

Determinism: given the same input URL, canonicalize returns the same output bytes across runs, platforms, and processes. This is the dedupe key and must be stable.

Enums

CanonicalizeError

Error returned when a URL cannot be canonicalized.

Constants

TRACKING_PARAMS

Tracking-parameter blocklist. Lowercased. Matched as a prefix for utm_* and mc_*, and as an exact match for the rest.

Functions

canonicalize

Canonicalize a URL string.

canonicalize_for_core

Convenience wrapper: canonicalize and map errors into CoreError.

canonicalize_with

Canonicalize using explicit per-domain preservation rules.

is_tracking

Returns true if the given (lowercased) query parameter name is a known tracking parameter.