View source for Module:IndicatorProcess

local p = {} -- p stands for package

function p.forDate( frame )
    local todayU = frame:callParserFunction( '#time:U' )
    local soonU = frame:callParserFunction( '#time:U', '+2 months' )
    local timeU = frame:callParserFunction( '#time:U', frame.args[1] )
    local color = 'green'
    if ( timeU < soonU ) then
    	color = 'orange'
    end
    if ( timeU < todayU ) then
    	color = 'red'
    end
    return p.getIndicator( frame, color )
end

function p.getIndicator( frame, color )
	-- adding the color in hidden text makes the indicator sortable in tables
    return "<span class='date-indicator' style='color: " .. color .. ";font-size:1em;'>&#9673;<span style='display:none;'>" .. color .. "</span></span>";
end

return p