Who's changing my values?

jasmine-custom-dictionary-log.js

jasmine.addCustomEqualityTester( ( a, b ) => {
  const ak = Object.keys( a ).concat( Object.keys( b ) );
  const unique = ak.filter( ( v, i, arr ) => arr.indexOf( v ) === i );
  unique.sort();

  for ( var i = 0; i < unique.length; i++ ) {
    const k = unique[i];
    if ( b[k] ) {
      console.log( k, '\t', a[k], '\t', b[k] );
    }
  }
} );

log-attr-changes.js

const props = [ 'foo', 'bar', 'baz' ];

const myObject = {
  _innerSanctum: {}
};

angular.forEach( props, p => {
  myObject._innerSanctum[p] = false;
  
  Object.defineProperty(myObject, p, {
    get: () => {
      console.log(`return ${p} ${myObject._innerSanctum[p]}`);
      return myObject._innerSanctum[p];
    },
    set: (x) => {
      console.log(`${p} = ${x}`);
      myObject._innerSanctum[p] = x;
    }
  } );
} );