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Add classes function #31

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Merged
merged 1 commit into from
Nov 6, 2025
Merged

Add classes function #31

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19 changes: 19 additions & 0 deletions src/Attribute.roc
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ module [
checked,
cite,
class,
classes,
code,
codebase,
color,
Expand Down Expand Up @@ -227,9 +228,27 @@ cite : Str -> Attribute
cite = attribute("cite")

## Construct a `class` attribute.
##
## See the [classes] function to apply multiple classes simultaneously.
class : Str -> Attribute
class = attribute("class")

## Construct a `class` attribute from a list of classes.
##
## See the [class] function to apply a single class.
## For example:
## ```
## classes(["a", "b", "c", "a"]) == class("a b c")
## ```
classes : List Str -> Attribute
classes = |list_of_classes|
unique_classes = Set.to_list(Set.from_list(list_of_classes))
class(Str.join_with(unique_classes, " "))

expect
out = classes(["a", "b", "c", "a"])
out == class("a b c")

## Construct a `code` attribute.
code : Str -> Attribute
code = attribute("code")
Expand Down
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