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# frozen_string_literal: true
module BlameHelper
BODY_FONT_SIZE = "0.875rem"
COMMIT_LINE_HEIGHT = 3 # 150% * 2 lines of text
COMMIT_PADDING = "10px" # 5px from both top and bottom
COMMIT_BLOCK_HEIGHT_EXP = "(#{BODY_FONT_SIZE} * #{COMMIT_LINE_HEIGHT}) + #{COMMIT_PADDING}"
CODE_LINE_HEIGHT = 1.1875
CODE_PADDING = "20px" # 10px from both top and bottom
def age_map_duration(blame_groups, project)
now = Time.zone.now
start_date = blame_groups.map { |blame_group| blame_group[:commit].committed_date }
.append(project.created_at).min
{
now: now,
started_days_ago: (now - start_date).to_i / 1.day
}
end
def age_map_class(commit_date, duration)
if duration[:started_days_ago] == 0
"blame-commit-age-0"
else
commit_date_days_ago = (duration[:now] - commit_date).to_i / 1.day
# Numbers 0 to 10 come from this calculation, but only commits on the oldest
# day get number 10 (all other numbers can be multiple days), so the range
# is normalized to 0-9
age_group = [(10 * commit_date_days_ago) / duration[:started_days_ago], 9].min
"blame-commit-age-#{age_group}"
end
end
def intrinsic_row_css(line_count)
# using rems here because the size of the row depends on the text size
# which can be customized via user agent styles and browser preferences
total_line_height_exp = "#{line_count * CODE_LINE_HEIGHT}rem + #{CODE_PADDING}"
row_height_exp = line_count == 1 ? COMMIT_BLOCK_HEIGHT_EXP : total_line_height_exp
"contain-intrinsic-size: 1px calc(#{row_height_exp})"
end
end
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