-
 db = new loki('sandbox.db');
+
db = new loki('sandbox.db')

-
te_items = db.addCollection('items');
+
mutable te_items = db.addCollection('items');

-
{
  const btn = html`<button style="background-color:#EB9486;color:#0E0F1A" onclick=${ () => { te_items.insert({ name : 'Bob', owner: 'MON', maker: 'burgers' });}
                                    }>Add some data to ${db.filename}</button>`
  
  return btn;
}
+
html`<button style="background-color:#EB9486;color:#0E0F1A" onclick=${() => {
  mutable te_items.insert({ name : 'Bob', owner: 'MON', maker: 'burgers' });
  mutable te_items = mutable te_items; // trigger downstream cells
}}>Add some data to ${db.filename}</button>`

// Insert some documents to the collection
// needs to test that these are present
add_data = {
-
 addData;
 let a = te_items.insert({ name : 'mjolnir', owner: 'thor', maker: 'dwarves' });
 let b = te_items.insert({ name : 'gungnir', owner: 'odin', maker: 'elves' });
 let c = te_items.insert({ name : 'tyrfing', owner: 'Svafrlami', maker: 'dwarves' });
 let d = te_items.insert({ name : 'draupnir', owner: 'odin', maker: 'elves' });
 
return  te_items.data // show all data that's been added
  // return [a,b,c,d] // what was added
  
  
  // do i even need a return ???
+
  addData; // run again when the button is clicked
  mutable te_items.insert({ name : 'mjolnir', owner: 'thor', maker: 'dwarves' });
  mutable te_items.insert({ name : 'gungnir', owner: 'odin', maker: 'elves' });
  mutable te_items.insert({ name : 'tyrfing', owner: 'Svafrlami', maker: 'dwarves' });
  mutable te_items.insert({ name : 'draupnir', owner: 'odin', maker: 'elves' });
  mutable te_items = mutable te_items; // trigger downstream cells
}

-
// this cell has to wait for the above cells to run.

find = {
+
  add_data; // depends on add_data inserting tyrfing
  doThis;
-
  var tyrfing = te_items.findOne({'name': 'tyrfing'});
+
  var tyrfing = mutable te_items.findOne({'name': 'tyrfing'});
  tyrfing.owner = 'todd';
-
  te_items.update(tyrfing);
  
  return (te_items.data)
+
  mutable te_items.update(tyrfing);
  mutable te_items = mutable te_items;
}