Utilities for naming and parsing storage variant names.
Variant names follow the convention:
- Primary:
"medium"(dimension name only) - Alternative format:
"medium_webp"(dimension name + format suffix)
The parser splits on the last underscore and checks whether the suffix is a known image format. If it is, the variant is an alternative format.
Summary
Functions
Returns the list of known image format suffixes.
Returns the MIME type for a format string.
Parses a variant name into {base_dimension, format}.
Builds a variant name from a base dimension name and format.
Functions
Returns the list of known image format suffixes.
Returns the MIME type for a format string.
Examples
iex> mime_type_for_format("webp")
"image/webp"
iex> mime_type_for_format("avif")
"image/avif"Parses a variant name into {base_dimension, format}.
Examples
iex> parse_variant_name("medium")
{"medium", nil}
iex> parse_variant_name("medium_webp")
{"medium", "webp"}
iex> parse_variant_name("video_thumbnail")
{"video_thumbnail", nil}
iex> parse_variant_name("thumbnail_avif")
{"thumbnail", "avif"}Builds a variant name from a base dimension name and format.
Examples
iex> variant_name("medium", nil)
"medium"
iex> variant_name("medium", "webp")
"medium_webp"