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Add a :compact option to strip whitespace off terminal nodes in pretty.rb #150

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Add a :compact option to strip whitespace off terminal nodes in pretty.rb #150

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3ca802e
Add a :compact option that will strip whitespace on terminal nodes
shreeve Sep 17, 2024
d9b20e5
Enable the :compact option
shreeve Sep 17, 2024
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15 changes: 14 additions & 1 deletion lib/temple/html/pretty.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,8 @@ class Pretty < Fast
header hgroup hr html li link meta nav ol option p
rp rt ruby section script style table tbody td tfoot
th thead tr ul video doctype).freeze,
pre_tags: %w(code pre textarea).freeze
pre_tags: %w(code pre textarea).freeze,
compact: false

def initialize(opts = {})
super
Expand Down Expand Up @@ -62,6 +63,18 @@ def on_html_tag(name, attrs, content = nil)
result = [:multi, [:static, "#{tag_indent(name)}<#{name}"], compile(attrs)]
result << [:static, (closed && @format != :html ? ' /' : '') + '>']

# strip newlines around terminal nodes
@pretty = true
case content
in [:multi, [:newline]]
return (result << [:static, "</#{name}>"])
in [:multi, [:multi, [:static, str]]]
return (result << [:static, "#{str}</#{name}>"])
in [:multi, [:escape, true, [:dynamic, code]], [:multi, [:newline]]]
return (result << [:multi, [:escape, true, [:dynamic, code]], [:static, "</#{name}>"]])
else nil
end if options[:compact]

@pretty = !@pre_tags || !options[:pre_tags].include?(name)
if content
@indent += 1
Expand Down