Renumber nested lists

script

/*
(Re)number selected Markdown lists.
Works with nested lists and changes bullets to numbers. Max 4 levels.
*/

text = draft.processTemplate('[[selection_only]]');

if (text == '') {
   var lines = [];
   //return;
} else {
   var lines = text.split('\n');
};

var i = 0;
var i2 = 0;
var i3 = 0;
var i4 = 0;
var cleanlines = [];
var newlines = [];
const indent = /    /g
const tab = '\t'
const new_indent = tab

for (line of lines) {
  // Clean current list with regEx
  cleaned = line.replace(/([\t ]*)\d\. /,"$1") // Clean old numbers
  cleaned = cleaned.replace(/([\t ]*)[\*\-\+] /,"$1") // Clean old bullets
  cleanlines.push(cleaned);
}

for (line of cleanlines) {
  line = line.replace(indent, tab); // Change space indent(s) to tab(s)
  if (line.startsWith(tab.repeat(3))) {
    i4 += 1;
    newlines.push(new_indent.repeat(3) + i4 + '. ' + line.slice(3));
  } else if (line.startsWith(tab.repeat(2))) {
    i3 += 1;
    newlines.push(new_indent.repeat(2) + i3 + '. ' + line.slice(2));
  } else if (line.startsWith(tab)) {
    i2 += 1;
    i3 = 0;
    newlines.push(new_indent + i2 + '. ' + line.slice(1));
  } else {
    i += 1;
    i2 = 0;
    i3 = 0;
    newlines.push(i + '. ' + line);
  }};

new_text = newlines.join('\n')

// console.log(new_text);
draft.setTemplateTag('new_text', new_text);

insertText

[[new_text]]