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a guest Aug 19th, 2019 55 Never
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  1. const result = [
  2.   {
  3.     Id: "1",
  4.     Char1: "a; b; c",
  5.     Char2: "d; e; f"
  6.   }
  7. ];
  8.      
  9. Id,Char1,Char2
  10. 1,a,d
  11. 1,b,e
  12. 1,c,f
  13.      
  14. Id,Char1,Char2
  15. 1,a,d
  16. 1,a,e
  17. 1,a,f
  18. 1,b,d
  19. 1,b,e
  20. 1,c,f
  21. 1,c,d
  22. 1,c,e
  23. 1,c,f
  24.      
  25. result
  26.     .reduce((acc, {
  27.         Id,
  28.         Char1,
  29.         Char2
  30.     }) => {
  31.         const a = Char1.split(";");
  32.         const c = Char2.split(";");
  33.         a.forEach((item, index) => {
  34.             acc.push({
  35.                 Id: Id,
  36.                 Char1: item,
  37.                 Char2: c[index]
  38.             });
  39.         });
  40.         return acc;
  41.     }, [])
  42.     .forEach(item => {
  43.         lines.push(rowData.map(key => item[key]).join(","));
  44.     });
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