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            Lines 5-33
          if (debug > 1) {
      
      
        Link Here
      
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          | 5 | 
              alert("dateformat: " + dateformat_pref + "\ndebug is on (level " + debug + ")"); | 
          5 | 
              alert("dateformat: " + dateformat_pref + "\ndebug is on (level " + debug + ")"); | 
        
        
          | 6 | 
          }  | 
          6 | 
          }  | 
        
        
          | 7 | 
           | 
          7 | 
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              | 8 | 
              function is_valid_date(date) { | 
              8 | 
              function is_valid_date(dateText) { | 
            
            
              | 9 | 
                  // An empty string is considered as a valid date for convenient reasons.  | 
              9 | 
                  return moment(dateText, get_dateformat_str(dateformat_pref).toUpperCase(), true ).isValid();  | 
            
            
              | 10 | 
                  if (date === '') return 1;  | 
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               | 
            
            
              | 11 | 
                  var dateformat = flatpickr_dateformat_string;  | 
            
            
              | 12 | 
                  if (dateformat == 'us') { | 
            
            
              | 13 | 
                      if (date.search(/^\d{2}\/\d{2}\/\d{4}($|\s)/) == -1) return 0; | 
            
            
              | 14 | 
                      dateformat = 'm/d/Y';  | 
            
            
              | 15 | 
                  } else if (dateformat == 'metric') { | 
            
            
              | 16 | 
                      if (date.search(/^\d{2}\/\d{2}\/\d{4}($|\s)/) == -1) return 0; | 
            
            
              | 17 | 
                      dateformat = 'd/m/Y';  | 
            
            
              | 18 | 
                  } else if (dateformat == 'iso') { | 
            
            
              | 19 | 
                      if (date.search(/^\d{4}-\d{2}-\d{2}($|\s)/) == -1) return 0; | 
            
            
              | 20 | 
                      dateformat = 'Y-m-d';  | 
            
            
              | 21 | 
                  } else if (dateformat == 'dmydot') { | 
            
            
              | 22 | 
                      if (date.search(/^\d{2}\.\d{2}\.\d{4}($|\s)/) == -1) return 0; | 
            
            
              | 23 | 
                      dateformat = 'd.m.Y';  | 
            
            
              | 24 | 
                  }  | 
            
            
              | 25 | 
                  try { | 
            
            
              | 26 | 
                      flatpickr.parseDate(date, dateformat);  | 
            
            
              | 27 | 
                  } catch (e) { | 
            
            
              | 28 | 
                      return 0;  | 
            
            
              | 29 | 
                  }  | 
            
            
              | 30 | 
                  return 1;  | 
            
        
          | 31 | 
          }  | 
          10 | 
          }  | 
        
        
          | 32 | 
           | 
          11 | 
           | 
        
        
          | 33 | 
          function get_dateformat_str(dateformat) { | 
          12 | 
          function get_dateformat_str(dateformat) { | 
        
  
    | 
      
            Lines 58-77
          function Date_from_syspref(dstring) {
      
      
        Link Here
      
     | 
  
        
          | 58 | 
                  sentmsg++;  | 
          37 | 
                  sentmsg++;  | 
        
        
          | 59 | 
                  alert("Date_from_syspref(" + dstring + ") splits to:\n" + dateX.join("\n")); | 
          38 | 
                  alert("Date_from_syspref(" + dstring + ") splits to:\n" + dateX.join("\n")); | 
        
        
          | 60 | 
              }  | 
          39 | 
              }  | 
        
          
            
              | 61 | 
                  if (dateformat_pref === "iso") { | 
              40 | 
                  let m = moment(dstring, get_dateformat_str(dateformat_pref).toUpperCase(), true);  | 
            
            
              | 62 | 
                      return new Date(dateX[0], (dateX[1] - 1), dateX[2]); // YYYY-MM-DD to (YYYY,m(0-11),d)  | 
              41 | 
                  if ( !m.isValid() ) { | 
            
            
              | 63 | 
                  } else if (dateformat_pref === "us") { | 
               | 
               | 
            
            
              | 64 | 
                      return new Date(dateX[2], (dateX[0] - 1), dateX[1]); // MM/DD/YYYY to (YYYY,m(0-11),d)  | 
            
            
              | 65 | 
                  } else if (dateformat_pref === "metric") { | 
            
            
              | 66 | 
                      return new Date(dateX[2], (dateX[1] - 1), dateX[0]); // DD/MM/YYYY to (YYYY,m(0-11),d)  | 
            
            
              | 67 | 
                  } else if (dateformat_pref === "dmydot") { | 
            
            
              | 68 | 
                      return new Date(dateX[2], (dateX[1] - 1), dateX[0]); // DD.MM.YYYY to (YYYY,m(0-11),d)  | 
            
            
              | 69 | 
                  } else { | 
            
        
          | 70 | 
                  if (debug > 0) { | 
          42 | 
                  if (debug > 0) { | 
        
        
          | 71 | 
                      alert("KOHA ERROR - Unrecognized date format: " + dateformat_pref); | 
          43 | 
                      alert("KOHA ERROR - Unrecognized date format: " + dateformat_pref); | 
        
        
          | 72 | 
                  }  | 
          44 | 
                  }  | 
        
        
          | 73 | 
                  return 0;  | 
          45 | 
                  return 0;  | 
        
        
          | 74 | 
              }  | 
          46 | 
              }  | 
        
            
               | 
               | 
              47 | 
                  return m.toDate();  | 
            
        
          | 75 | 
          }  | 
          48 | 
          }  | 
        
        
          | 76 | 
           | 
          49 | 
           | 
        
        
          | 77 | 
          function DateTime_from_syspref(date_time) { | 
          50 | 
          function DateTime_from_syspref(date_time) { |