Create new entry

script

function Init() {
  // set separator
  this.sep = '***';
  // locate cursor
  this.loc = editor.getSelectedRange()[0];
  // locate the end of current draft
  let eod = draft.content.length;
  // set regexp before
  let reb = new RegExp('^([\\s\\S]*' + RegExp.quote(this.sep) + ')?[\\s\\S]*?$');
  //set regexp after
  let rea = new RegExp('^([\\s\\S]*?)(' + RegExp.quote(this.sep) + '[\\s\\S]*)?$');
  // regexp before cursor
  editor.getTextInRange(0, this.loc).match(reb);
  // locate start of current entry
  this.sce = (RegExp.$1?RegExp.$1.length:0);
  // regexp before start of current entry
  editor.getTextInRange(this.loc, eod).match(rea);
  // set length of current entry
  this.lce = this.loc - this.sce + RegExp.$1.length;
  // check if current entry is the last one in draft
  this.ile = (RegExp.$2?false:true);
  // set current entry
  this.cue = editor.getTextInRange(this.sce, this.lce).trim();
}

Object.prototype.newEntry = function() {
  // modify current entry with no empty lines before and after entry, then add separators
  var str = (!this.sce && !this.cue?this.sep:'') + '\n' + this.cue + (this.cue?'\n' + this.sep + '\n':'') + (this.ile?'':'\n');
  // replace current entry with modified entry
  editor.setTextInRange(this.sce, this.lce, str);
  // locate the start of new entry
  this.loc = this.sce + str.length - (this.ile?0:1);
  // move the cursor at the start of new entry
  editor.setSelectedRange(this.loc, 0);
  editor.setSelectedText('');
}

RegExp.quote = function(str) {
  return str.replace(/([.?*+^$[\]\\(){}|-])/g, '\\$1');
}

let it = new Init();
it.newEntry();