Select Outward

script

const sel = editor.getSelectedText();
const text = editor.getText();
const selRange = editor.getSelectedRange();
const lineRange = editor.getSelectedLineRange();
const start = selRange[0];
const end = selRange[0] + selRange[1];

const newl = /^[\n]$/;

const lineEnd = end === text.length ||newl.test(text[end]);

const lineStart = start === 0 || newl.test(text[start - 1]);

const lineSelected = lineStart && lineEnd;

if (!sel || sel.length == 0) {
  selectWord();
}

else if (!sel.includes(" ") && !sel.includes("\n") && !lineSelected) {
  selectLine();
}

else {
  selectAll();
}

function selectWord() {
var n = text.length;
var i = start;
const delim = /^[\s]$/;

while (i > 0) {
  if (delim.test(text[i - 1])) {
  break;
  }
  --i;
}

var j = end;

while (j < n) {
  if (delim.test(text[j])) {
    break;
  }
  ++j;
}

if (j-i) {
  editor.setSelectedRange(i, j-i);
}
// curson on an empty line
else {editor.setSelectedRange(start - 1, 1);}
}

function selectLine() {
var eol = lineRange[0] + lineRange[1];
if ( editor.getTextInRange( eol - 1, 1 ) === '\n' ) {
  eol = eol - 1;
}

editor.setSelectedRange( lineRange[0], eol - lineRange[0] );
}

function selectAll() {
editor.setSelectedRange(0, text.length);
}