1
var removeComments = function (source) {
2
  let result = [];
3
  let multi_line_comment = false;
4
  let str = "";
5

6
  source.forEach((line) => {
7
    for (let idx = 0; idx < line.length; ++idx) {
8
      // if /* is not ongoing, check for start of a comment or not
9
      if (!multi_line_comment) {
10
        // if comment is //, ignore the rest of the line
11
        if (line[idx] + line[idx + 1] === "//") {
12
          break;
13
        }
14
        // if comment if /*, set multi-line flag and move to next index
15
        else if (line[idx] + line[idx + 1] === "/*") {
16
          multi_line_comment = true;
17
          ++idx;
18
        }
19
        // if not a comment start, add to string to be added to result
20
        else {
21
          str += line[idx];
22
        }
23
      }
24
      // if /* comment is ongoing
25
      else {
26
        // if closing comment */ is encountered, set multi-line flag off and move to next index
27
        if (line[idx] + line[idx + 1] === "*/") {
28
          multi_line_comment = false;
29
          ++idx;
30
        }
31
      }
32
    }
33
    // if /* comment is not ongoing and str is not empty, add to result as one code line
34
    if (str.length && !multi_line_comment) {
35
      result.push(str);
36
      str = ""; //reset the str
37
    }
38
  });
39
  return result;
40
};