brand_logo.md
In brand.yml: Unified Branding with a Simple YAML File

brand.logo errors are handled

Code
  as_brand_yml(list(logo = 1234))
Condition
  Error:
  ! Could not evaluate cli `{}` expression: `x`.
  Caused by error:
  ! object 'x' not found
Code
  as_brand_yml(list(logo = list(path = "foo", bad = "foo")))
Condition
  Error in `brand_logo_normalize()`:
  ! `logo` contains unexpected names: "bad"
  i Allowed names: "path" and "alt"
Code
  as_brand_yml(list(logo = list(unknown = "foo.png")))
Condition
  Error in `brand_logo_normalize()`:
  ! `logo` contains unexpected names: "unknown"
  i Allowed names: "images", "small", "medium", and "large"
Code
  as_brand_yml(list(logo = list(images = "foo.png")))
Condition
  Error in `brand_logo_normalize_images()`:
  ! `logo.images` must be a list, not a string
Code
  as_brand_yml(list(logo = list(images = list(light = 1234))))
Condition
  Error in `brand_logo_normalize_images()`:
  ! `logo.images.light` must be a string or a list, not a number.
Code
  as_brand_yml(list(logo = list(small = 1234)))
Condition
  Error in `brand_logo_normalize_sizes()`:
  ! Invalid value for logo.small:
  x 1234
  i Expected a string (path or logo.image name) or a list.

brand.logo full example works

Code
  brand$logo
Output
  $images
  $images$mark
  <brand_logo_resource src="logos/pandas/pandas_mark.svg" alt="">
  $images$mark_white
  <brand_logo_resource src="logos/pandas/pandas_mark_white.svg" alt="">
  $images$secondary
  <brand_logo_resource src="logos/pandas/pandas_secondary.svg" alt="">
  $images$secondary_white
  <brand_logo_resource src="logos/pandas/pandas_secondary_white.svg" alt="">
  $images$pandas
  <brand_logo_resource src="logos/pandas/pandas.svg" alt="">
  $images$pandas_white
  <brand_logo_resource src="logos/pandas/pandas_white.svg" alt="">

  $small
  <brand_logo_resource src="logos/pandas/pandas_mark.svg" alt="">
  $medium
  <brand_logo_resource src="logos/pandas/pandas_secondary.svg" alt="" variant="light">
  <brand_logo_resource src="logos/pandas/pandas_secondary_white.svg" alt="" variant="dark">
  $large
  <brand_logo_resource src="logos/pandas/pandas.svg" alt="">