Ep.mark = function()

in packages/transform/src/emit.js [76:88]

• 11 lines of code
• 2 McCabe index (conditional complexity)

Ep.mark = function(loc) {
  util.getTypes().assertLiteral(loc);
  let index = this.listing.length;
  if (loc.value === -1) {
    loc.value = index;
  } else {
    // Locations can be marked redundantly, but their values cannot change
    // once set the first time.
    assert.strictEqual(loc.value, index);
  }
  this.marked[index] = true;
  return loc;
};