Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
describe('defined as a sequence of matrix operations', function() {
  return it('should group together', function() {
    var sequence;
    sequence = [['translateX', 3], ['rotateZ', 2]];
    expect(engine.intrinsic.Command(sequence)).to.be.an.instanceof(engine.intrinsic.Matrix.prototype.Sequence);
    expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command);
    return expect(function() {
      return engine.intrinsic.Command([1, ['rotateZ', 2]]);
    }).to.throw(/Undefined/);
  });
});

describe('when used with variables', function() {
  return it('should update and recompute matrix', function(done) {
    return setTimeout(function() {
      //['set', 'transform', [
      //]]
      return expect(engine.solve([['translateX', 3], ['rotateZ', ['get', 'a']]])).to.eql(1);
    }, 1);
  });
});
```

Response:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)

  describe 'when used with variables', ->
    it 'should update and recompute matrix', (done) ->
      setTimeout ->
        expect(engine.solve([
            #['set', 'transform', [
              ['translateX', 3]
              ['rotateZ', ['get', 'a']]
            #]]
        ])).to.eql(1)
      , 1


Prompt:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([

Response:
1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)

  describe 'when used with variables', ->
    it 'should update and recompute matrix', (done) ->
      setTimeout ->
        expect(engine.solve([
            #['set', 'transform', [
              ['translateX', 3]
              ['rotateZ', ['get', 'a']]
            #]]
        ])).to.eql(1)
      , 1


Response:
{expect} = chai

describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
{expect} = chai

describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)
```

Response:
var expect;

({expect} = chai);

describe('Selectors', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  return describe('dispatched by argument types', function() {
    return it('should create command instance for each operation', function() {
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      return expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier);
    });
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var expect;

({expect} = chai);

describe('Selectors', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  return describe('dispatched by argument types', function() {
    return it('should create command instance for each operation', function() {
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      return expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier);
    });
  });
});
```

Response:
{expect} = chai

describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Prompt:
{expect} = chai

describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)

Response:
engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Response:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)

  describe 'when used with variables', ->
    it 'should update and recompute matrix', ->
      expect(engine.solve([
          ['translateX', 3]
          ['rotateZ', ['get', 'a']]
      ])).to.eql(1)


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)

  describe 'when used with variables', ->
    it 'should update and recompute matrix', ->
      expect(engine.solve([
          ['translateX', 3]
          ['rotateZ', ['get', 'a']]
      ])).to.eql(1)
```

Response:
describe('defined as a sequence of matrix operations', function() {
  return it('should group together', function() {
    var sequence;
    sequence = [['translateX', 3], ['rotateZ', 2]];
    expect(engine.intrinsic.Command(sequence)).to.be.an.instanceof(engine.intrinsic.Matrix.prototype.Sequence);
    expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command);
    return expect(function() {
      return engine.intrinsic.Command([1, ['rotateZ', 2]]);
    }).to.throw(/Undefined/);
  });
});

describe('when used with variables', function() {
  return it('should update and recompute matrix', function() {
    return expect(engine.solve([['translateX', 3], ['rotateZ', ['get', 'a']]])).to.eql(1);
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
describe('defined as a sequence of matrix operations', function() {
  return it('should group together', function() {
    var sequence;
    sequence = [['translateX', 3], ['rotateZ', 2]];
    expect(engine.intrinsic.Command(sequence)).to.be.an.instanceof(engine.intrinsic.Matrix.prototype.Sequence);
    expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command);
    return expect(function() {
      return engine.intrinsic.Command([1, ['rotateZ', 2]]);
    }).to.throw(/Undefined/);
  });
});

describe('when used with variables', function() {
  return it('should update and recompute matrix', function() {
    return expect(engine.solve([['translateX', 3], ['rotateZ', ['get', 'a']]])).to.eql(1);
  });
});
```

Response:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)

  describe 'when used with variables', ->
    it 'should update and recompute matrix', ->
      expect(engine.solve([
          ['translateX', 3]
          ['rotateZ', ['get', 'a']]
      ])).to.eql(1)


Prompt:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)

Response:
expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)

  describe 'when used with variables', ->
    it 'should update and recompute matrix', ->
      expect(engine.solve([
          ['translateX', 3]
          ['rotateZ', ['get', 'a']]
      ])).to.eql(1)


Response:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)
```

Response:
describe('defined as a sequence of matrix operations', function() {
  return it('should group together', function() {
    var sequence;
    sequence = [['translateX', 3], ['rotateZ', 2]];
    expect(engine.intrinsic.Command(sequence)).to.be.an.instanceof(engine.intrinsic.Matrix.prototype.Sequence);
    expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command);
    return expect(function() {
      return engine.intrinsic.Command([1, ['rotateZ', 2]]);
    }).to.throw(/Undefined/);
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
describe('defined as a sequence of matrix operations', function() {
  return it('should group together', function() {
    var sequence;
    sequence = [['translateX', 3], ['rotateZ', 2]];
    expect(engine.intrinsic.Command(sequence)).to.be.an.instanceof(engine.intrinsic.Matrix.prototype.Sequence);
    expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
    expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command);
    return expect(function() {
      return engine.intrinsic.Command([1, ['rotateZ', 2]]);
    }).to.throw(/Undefined/);
  });
});
```

Response:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)


Prompt:
describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)

Response:
expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)


Response:
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should properly recognize matrix operations', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw(/Too many/)

      expect(-> engine.intrinsic.Command(['translateX', 'a'])).to.
        throw(/Unexpected argument/)

  describe 'when executed', ->
    it 'should compute matrix', ->
      rotated = engine.intrinsic.Matrix::_mat4.create()
      rotated = engine.intrinsic.Matrix::_mat4.rotateZ(rotated, rotated, 180)
      rotate = ['rotateZ', 0.5]
      expect(engine.intrinsic.Command(rotate).solve(engine.intrinsic, rotate)).
        to.eql rotated

  describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should properly recognize matrix operations', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw(/Too many/)

      expect(-> engine.intrinsic.Command(['translateX', 'a'])).to.
        throw(/Unexpected argument/)

  describe 'when executed', ->
    it 'should compute matrix', ->
      rotated = engine.intrinsic.Matrix::_mat4.create()
      rotated = engine.intrinsic.Matrix::_mat4.rotateZ(rotated, rotated, 180)
      rotate = ['rotateZ', 0.5]
      expect(engine.intrinsic.Command(rotate).solve(engine.intrinsic, rotate)).
        to.eql rotated

  describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)
```

Response:
var assert, expect;

expect = chai.expect;

assert = chai.assert;

describe('Matrix', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  describe('dispatched by argument types', function() {
    return it('should properly recognize matrix operations', function() {
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix.Transformation1);
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix);
      expect(function() {
        return engine.intrinsic.Command(['translateX', 3, 3]);
      }).to.throw(/Too many/);
      return expect(function() {
        return engine.intrinsic.Command(['translateX', 'a']);
      }).to.throw(/Unexpected argument/);
    });
  });
  describe('when executed', function() {
    return it('should compute matrix', function() {
      var rotate, rotated;
      rotated = engine.intrinsic.Matrix.prototype._mat4.create();
      rotated = engine.intrinsic.Matrix.prototype._mat4.rotateZ(rotated, rotated, 180);
      rotate = ['rotateZ', 0.5];
      return expect(engine.intrinsic.Command(rotate).solve(engine.intrinsic, rotate)).to.eql(rotated);
    });
  });
  return describe('defined as a sequence of matrix operations', function() {
    return it('should group together', function() {
      var sequence;
      sequence = [['translateX', 3], ['rotateZ', 2]];
      expect(engine.intrinsic.Command(sequence)).to.be.an.instanceof(engine.intrinsic.Matrix.prototype.Sequence);
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command);
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command);
      return expect(function() {
        return engine.intrinsic.Command([1, ['rotateZ', 2]]);
      }).to.throw(/Undefined/);
    });
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var assert, expect;

expect = chai.expect;

assert = chai.assert;

describe('Matrix', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  describe('dispatched by argument types', function() {
    return it('should properly recognize matrix operations', function() {
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix.Transformation1);
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix);
      expect(function() {
        return engine.intrinsic.Command(['translateX', 3, 3]);
      }).to.throw(/Too many/);
      return expect(function() {
        return engine.intrinsic.Command(['translateX', 'a']);
      }).to.throw(/Unexpected argument/);
    });
  });
  describe('when executed', function() {
    return it('should compute matrix', function() {
      var rotate, rotated;
      rotated = engine.intrinsic.Matrix.prototype._mat4.create();
      rotated = engine.intrinsic.Matrix.prototype._mat4.rotateZ(rotated, rotated, 180);
      rotate = ['rotateZ', 0.5];
      return expect(engine.intrinsic.Command(rotate).solve(engine.intrinsic, rotate)).to.eql(rotated);
    });
  });
  return describe('defined as a sequence of matrix operations', function() {
    return it('should group together', function() {
      var sequence;
      sequence = [['translateX', 3], ['rotateZ', 2]];
      expect(engine.intrinsic.Command(sequence)).to.be.an.instanceof(engine.intrinsic.Matrix.prototype.Sequence);
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command);
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command);
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command);
      return expect(function() {
        return engine.intrinsic.Command([1, ['rotateZ', 2]]);
      }).to.throw(/Undefined/);
    });
  });
});
```

Response:
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should properly recognize matrix operations', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw(/Too many/)

      expect(-> engine.intrinsic.Command(['translateX', 'a'])).to.
        throw(/Unexpected argument/)

  describe 'when executed', ->
    it 'should compute matrix', ->
      rotated = engine.intrinsic.Matrix::_mat4.create()
      rotated = engine.intrinsic.Matrix::_mat4.rotateZ(rotated, rotated, 180)
      rotate = ['rotateZ', 0.5]
      expect(engine.intrinsic.Command(rotate).solve(engine.intrinsic, rotate)).
        to.eql rotated

  describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)


Prompt:
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should properly recognize matrix operations', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw(/Too many/)

      expect(-> engine.intrinsic.Command(['translateX', 'a'])).to.
        throw(/Unexpected argument/)

  describe 'when executed', ->

Response:
it 'should compute matrix', ->
      rotated = engine.intrinsic.Matrix::_mat4.create()
      rotated = engine.intrinsic.Matrix::_mat4.rotateZ(rotated, rotated, 180)
      rotate = ['rotateZ', 0.5]
      expect(engine.intrinsic.Command(rotate).solve(engine.intrinsic, rotate)).
        to.eql rotated

  describe 'defined as a sequence of matrix operations', ->
    it 'should group together', ->
      sequence = [
        ['translateX', 3],
        ['rotateZ', 2]
      ]
      expect(engine.intrinsic.Command(sequence)).to.be.an.
        instanceof(engine.intrinsic.Matrix::Sequence)
      expect(engine.intrinsic.Command(['translateX', 3])).to.eql(sequence[0].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', 3])).to.not.eql(sequence[1].command)
      expect(engine.intrinsic.Command(['rotateZ', ['translateX', 3], 3])).to.eql(sequence[1].command)
      expect(->
        engine.intrinsic.Command([
          1,
          ['rotateZ', 2]
        ])
      ).to.throw(/Undefined/)


Response:
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw()
      #expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.document.Selector)
      #expect(engine.intrinsic.Command(['translateX', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw()
      #expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.document.Selector)
      #expect(engine.intrinsic.Command(['translateX', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)
```

Response:
var assert, expect;

expect = chai.expect;

assert = chai.assert;

describe('Matrix', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  return describe('dispatched by argument types', function() {
    return it('should create command instance for each operation', function() {
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix.Transformation1);
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix);
      return expect(function() {
        return engine.intrinsic.Command(['translateX', 3, 3]);
      }).to.throw();
    });
  });
});

//expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.document.Selector)
//expect(engine.intrinsic.Command(['translateX', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var assert, expect;

expect = chai.expect;

assert = chai.assert;

describe('Matrix', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  return describe('dispatched by argument types', function() {
    return it('should create command instance for each operation', function() {
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix.Transformation1);
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.intrinsic.Matrix);
      return expect(function() {
        return engine.intrinsic.Command(['translateX', 3, 3]);
      }).to.throw();
    });
  });
});

//expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.document.Selector)
//expect(engine.intrinsic.Command(['translateX', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)
```

Response:
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw()
      #expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.document.Selector)
      #expect(engine.intrinsic.Command(['translateX', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Prompt:
expect = chai.expect
assert = chai.assert

describe 'Matrix', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

Response:
describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix.Transformation1)
      expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.
        instanceof(engine.intrinsic.Matrix)

      expect(-> engine.intrinsic.Command(['translateX', 3, 3])).to.
        throw()
      #expect(engine.intrinsic.Command(['translateX', 3])).to.be.an.instanceof(engine.document.Selector)
      #expect(engine.intrinsic.Command(['translateX', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Response:
describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)
```

Response:
describe('Selectors', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  return describe('dispatched by argument types', function() {
    return it('should create command instance for each operation', function() {
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      return expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier);
    });
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
describe('Selectors', function() {
  var engine;
  engine = null;
  before(function() {
    var container;
    container = document.createElement('div');
    engine = new GSS(container);
    return engine.compile();
  });
  return describe('dispatched by argument types', function() {
    return it('should create command instance for each operation', function() {
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector);
      return expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier);
    });
  });
});
```

Response:
describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

  describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Prompt:
describe 'Selectors', ->
  engine = null
  before ->
    container = document.createElement('div')
    engine = new GSS(container)
    engine.compile()

Response:
describe 'dispatched by argument types', ->
    it 'should create command instance for each operation', ->
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector.Selecter)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', 'div'])).to.be.an.instanceof(engine.document.Selector)
      expect(engine.document.Command(['tag', ['tag', 'div'], 'div'])).to.be.an.instanceof(engine.document.Selector.Qualifier)


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asDefault: (variables) ->
      it "parses '#{expression}' as default variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range, default: isDefault} in results
          expected = variables[name]
          expect(isDefault).toBeTruthy()
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asDefault: (variables) ->
      it "parses '#{expression}' as default variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range, default: isDefault} in results
          expected = variables[name]
          expect(isDefault).toBeTruthy()
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this
```

Response:
var VariableParser, registry;

VariableParser = require('../lib/variable-parser');

registry = require('../lib/variable-expressions');

describe('VariableParser', function() {
  var itParses, parser;
  [parser] = [];
  return itParses = function(expression) {
    return {
      as: function(variables) {
        it(`parses '${expression}' as variables ${jasmine.pp(variables)}`, function() {
          var expected, i, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({name, value, range} = results[i]);
            expected = variables[name];
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      },
      asDefault: function(variables) {
        it(`parses '${expression}' as default variables ${jasmine.pp(variables)}`, function() {
          var expected, i, isDefault, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({
              name,
              value,
              range,
              default: isDefault
            } = results[i]);
            expected = variables[name];
            expect(isDefault).toBeTruthy();
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      }
    };
  };
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var VariableParser, registry;

VariableParser = require('../lib/variable-parser');

registry = require('../lib/variable-expressions');

describe('VariableParser', function() {
  var itParses, parser;
  [parser] = [];
  return itParses = function(expression) {
    return {
      as: function(variables) {
        it(`parses '${expression}' as variables ${jasmine.pp(variables)}`, function() {
          var expected, i, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({name, value, range} = results[i]);
            expected = variables[name];
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      },
      asDefault: function(variables) {
        it(`parses '${expression}' as default variables ${jasmine.pp(variables)}`, function() {
          var expected, i, isDefault, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({
              name,
              value,
              range,
              default: isDefault
            } = results[i]);
            expected = variables[name];
            expect(isDefault).toBeTruthy();
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      }
    };
  };
});
```

Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asDefault: (variables) ->
      it "parses '#{expression}' as default variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range, default: isDefault} in results
          expected = variables[name]
          expect(isDefault).toBeTruthy()
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else

Response:
expect(value).toEqual(expected)

      this

    asDefault: (variables) ->
      it "parses '#{expression}' as default variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range, default: isDefault} in results
          expected = variables[name]
          expect(isDefault).toBeTruthy()
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this


Response:
asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color: white !default').asDefault('$color': 'white')
  itParses('$color: white // foo').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })
  itParses('$non_color: 10px').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')


Prompt:
asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color: white !default').asDefault('$color': 'white')
  itParses('$color: white // foo').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'

Response:
})
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })
  itParses('$non_color: 10px').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')


Response:
itParses('\\definecolor{orange}{gray}{1}').as({
    '{orange}': 'gray(100%)'
  })

  itParses('\\definecolor{orange}{RGB}{255,127,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{rgb}{1,0.5,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{cmyk}{0,0.5,1,0}').as({
    '{orange}': 'cmyk(0,0.5,1,0)'
  })

  itParses('\\definecolor{orange}{HTML}{FF7F00}').as({
    '{orange}': '#FF7F00'
  })

  itParses('\\definecolor{darkgreen}{blue!20!black!30!green}').as({
    '{darkgreen}': '{blue!20!black!30!green}'
  })

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }
    }
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]
    'colors.green':
      value: 'rgb(0,255,0)'
      range: [[2,2], [2,16]]
    'colors.blue':
      value: 'rgb(0,0,255)'
      range: [[3,2],[3,15]]
    'colors.value':


Prompt:
itParses('\\definecolor{orange}{gray}{1}').as({
    '{orange}': 'gray(100%)'
  })

  itParses('\\definecolor{orange}{RGB}{255,127,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{rgb}{1,0.5,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{cmyk}{0,0.5,1,0}').as({
    '{orange}': 'cmyk(0,0.5,1,0)'
  })

  itParses('\\definecolor{orange}{HTML}{FF7F00}').as({
    '{orange}': '#FF7F00'
  })

  itParses('\\definecolor{darkgreen}{blue!20!black!30!green}').as({
    '{darkgreen}': '{blue!20!black!30!green}'
  })

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

Response:
itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }
    }
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]
    'colors.green':
      value: 'rgb(0,255,0)'
      range: [[2,2], [2,16]]
    'colors.blue':
      value: 'rgb(0,0,255)'
      range: [[3,2],[3,15]]
    'colors.value':


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color: white // foo').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color: white // foo').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })
```

Response:
var VariableParser, registry;

VariableParser = require('../lib/variable-parser');

registry = require('../lib/variable-expressions');

describe('VariableParser', function() {
  var itParses, parser;
  [parser] = [];
  itParses = function(expression) {
    return {
      as: function(variables) {
        it(`parses '${expression}' as variables ${jasmine.pp(variables)}`, function() {
          var expected, i, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({name, value, range} = results[i]);
            expected = variables[name];
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      },
      asUndefined: function() {
        return it(`does not parse '${expression}' as a variable expression`, function() {
          var results;
          results = parser.parse(expression);
          return expect(results).toBeUndefined();
        });
      }
    };
  };
  beforeEach(function() {
    return parser = new VariableParser(registry);
  });
  itParses('color = white').as({
    'color': 'white'
  });
  itParses('non-color = 10px').as({
    'non-color': '10px'
  });
  itParses('$color: white').as({
    '$color': 'white'
  });
  itParses('$color: white // foo').as({
    '$color': 'white'
  });
  itParses('$color  : white').as({
    '$color': 'white'
  });
  itParses('$some-color: white;').as({
    '$some-color': 'white',
    '$some_color': 'white'
  });
  itParses('$some_color  : white').as({
    '$some-color': 'white',
    '$some_color': 'white'
  });
  return itParses('$non-color: 10px;').as({
    '$non-color': '10px',
    '$non_color': '10px'
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var VariableParser, registry;

VariableParser = require('../lib/variable-parser');

registry = require('../lib/variable-expressions');

describe('VariableParser', function() {
  var itParses, parser;
  [parser] = [];
  itParses = function(expression) {
    return {
      as: function(variables) {
        it(`parses '${expression}' as variables ${jasmine.pp(variables)}`, function() {
          var expected, i, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({name, value, range} = results[i]);
            expected = variables[name];
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      },
      asUndefined: function() {
        return it(`does not parse '${expression}' as a variable expression`, function() {
          var results;
          results = parser.parse(expression);
          return expect(results).toBeUndefined();
        });
      }
    };
  };
  beforeEach(function() {
    return parser = new VariableParser(registry);
  });
  itParses('color = white').as({
    'color': 'white'
  });
  itParses('non-color = 10px').as({
    'non-color': '10px'
  });
  itParses('$color: white').as({
    '$color': 'white'
  });
  itParses('$color: white // foo').as({
    '$color': 'white'
  });
  itParses('$color  : white').as({
    '$color': 'white'
  });
  itParses('$some-color: white;').as({
    '$some-color': 'white',
    '$some_color': 'white'
  });
  itParses('$some_color  : white').as({
    '$some-color': 'white',
    '$some_color': 'white'
  });
  return itParses('$non-color: 10px;').as({
    '$non-color': '10px',
    '$non_color': '10px'
  });
});
```

Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color: white // foo').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->

Response:
results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color: white // foo').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })


Response:
itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses('\\definecolor{orange}{gray}{1}').as({
    '{orange}': 'gray(100%)'
  })

  itParses('\\definecolor{orange}{RGB}{255,127,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{rgb}{1,0.5,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{cmyk}{0,0.5,1,0}').as({
    '{orange}': 'cmyk(0,0.5,1,0)'
  })

  itParses('\\definecolor{orange}{HTML}{FF7F00}').as({
    '{orange}': '#FF7F00'
  })

  itParses('\\definecolor{darkgreen}{blue!20!black!30!green}').as({
    '{darkgreen}': '{blue!20!black!30!green}'
  })

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }
    }
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]


Prompt:
itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses('\\definecolor{orange}{gray}{1}').as({
    '{orange}': 'gray(100%)'
  })

  itParses('\\definecolor{orange}{RGB}{255,127,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{rgb}{1,0.5,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{cmyk}{0,0.5,1,0}').as({
    '{orange}': 'cmyk(0,0.5,1,0)'
  })

  itParses('\\definecolor{orange}{HTML}{FF7F00}').as({
    '{orange}': '#FF7F00'

Response:
})

  itParses('\\definecolor{darkgreen}{blue!20!black!30!green}').as({
    '{darkgreen}': '{blue!20!black!30!green}'
  })

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }
    }
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]


Response:
itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses('\\definecolor{orange}{gray}{1}').as({
    '{orange}': 'gray(100%)'
  })

  itParses('\\definecolor{orange}{RGB}{255,127,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{rgb}{1,0.5,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{cmyk}{0,0.5,1,0}').as({
    '{orange}': 'cmyk(0,0.5,1,0)'
  })

  itParses('\\definecolor{orange}{HTML}{FF7F00}').as({
    '{orange}': '#FF7F00'
  })

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }
    }
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]
    'colors.green':
      value: 'rgb(0,255,0)'
      range: [[2,2], [2,16]]
    'colors.blue':


Prompt:
itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses('\\definecolor{orange}{gray}{1}').as({
    '{orange}': 'gray(100%)'
  })

  itParses('\\definecolor{orange}{RGB}{255,127,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{rgb}{1,0.5,0}').as({
    '{orange}': 'rgb(255,127,0)'
  })

  itParses('\\definecolor{orange}{cmyk}{0,0.5,1,0}').as({
    '{orange}': 'cmyk(0,0.5,1,0)'
  })

  itParses('\\definecolor{orange}{HTML}{FF7F00}').as({
    '{orange}': '#FF7F00'

Response:
})

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }
    }
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]
    'colors.green':
      value: 'rgb(0,255,0)'
      range: [[2,2], [2,16]]
    'colors.blue':


Response:
itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }
    }
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]
    'colors.green':
      value: 'rgb(0,255,0)'
      range: [[2,2], [2,16]]
    'colors.blue':
      value: 'rgb(0,0,255)'
      range: [[3,2],[3,15]]
    'colors.value':
      value: '10px'
      range: [[4,2],[4,13]]
    'colors.light.base':
      value: 'lightgrey'
      range: [[9,4],[9,17]]
    'colors.dark.base':
      value: 'slategrey'
      range: [[12,4],[12,14]]
  })


Prompt:
itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')
  itParses('@non--color: 10px;').as('@non--color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses('\n.error--large(@color: red) {\n  background-color: @color;\n}').asUndefined()

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }

Response:
}
  """).as({
    'colors.red':
      value: 'rgb(255,0,0)'
      range: [[1,2], [1,14]]
    'colors.green':
      value: 'rgb(0,255,0)'
      range: [[2,2], [2,16]]
    'colors.blue':
      value: 'rgb(0,0,255)'
      range: [[3,2],[3,15]]
    'colors.value':
      value: '10px'
      range: [[4,2],[4,13]]
    'colors.light.base':
      value: 'lightgrey'
      range: [[9,4],[9,17]]
    'colors.dark.base':
      value: 'slategrey'
      range: [[12,4],[12,14]]
  })


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })
  itParses('$non_color: 10px').as({


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->

Response:
results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })
  itParses('$non_color: 10px').as({


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

fdescribe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })
  itParses('$non_color: 10px').as({


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

fdescribe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->

Response:
results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$some-color: white;').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$some_color  : white').as({
    '$some-color': 'white'
    '$some_color': 'white'
  })
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
    '$non_color': '10px'
  })
  itParses('$non_color: 10px').as({


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')
```

Response:
var VariableParser, registry;

VariableParser = require('../lib/variable-parser');

registry = require('../lib/variable-expressions');

describe('VariableParser', function() {
  var itParses, parser;
  [parser] = [];
  itParses = function(expression) {
    return {
      as: function(variables) {
        it(`parses '${expression}' as variables ${jasmine.pp(variables)}`, function() {
          var expected, i, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({name, value, range} = results[i]);
            expected = variables[name];
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      },
      asUndefined: function() {
        return it(`does not parse '${expression}' as a variable expression`, function() {
          var results;
          results = parser.parse(expression);
          return expect(results).toBeUndefined();
        });
      }
    };
  };
  beforeEach(function() {
    return parser = new VariableParser(registry);
  });
  itParses('color = white').as({
    'color': 'white'
  });
  itParses('non-color = 10px').as({
    'non-color': '10px'
  });
  itParses('$color: white;').as({
    '$color': 'white'
  });
  itParses('$color: white').as({
    '$color': 'white'
  });
  itParses('$color  : white').as({
    '$color': 'white'
  });
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
  });
  return itParses('$non-color: 10px').as({
    '$non-color': '10px'
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var VariableParser, registry;

VariableParser = require('../lib/variable-parser');

registry = require('../lib/variable-expressions');

describe('VariableParser', function() {
  var itParses, parser;
  [parser] = [];
  itParses = function(expression) {
    return {
      as: function(variables) {
        it(`parses '${expression}' as variables ${jasmine.pp(variables)}`, function() {
          var expected, i, len, name, range, results, results1, value;
          results = parser.parse(expression);
          expect(results.length).toEqual(Object.keys(variables).length);
          results1 = [];
          for (i = 0, len = results.length; i < len; i++) {
            ({name, value, range} = results[i]);
            expected = variables[name];
            if (expected.value != null) {
              results1.push(expect(value).toEqual(expected.value));
            } else if (expected.range != null) {
              results1.push(expect(range).toEqual(expected.range));
            } else {
              results1.push(expect(value).toEqual(expected));
            }
          }
          return results1;
        });
        return this;
      },
      asUndefined: function() {
        return it(`does not parse '${expression}' as a variable expression`, function() {
          var results;
          results = parser.parse(expression);
          return expect(results).toBeUndefined();
        });
      }
    };
  };
  beforeEach(function() {
    return parser = new VariableParser(registry);
  });
  itParses('color = white').as({
    'color': 'white'
  });
  itParses('non-color = 10px').as({
    'non-color': '10px'
  });
  itParses('$color: white;').as({
    '$color': 'white'
  });
  itParses('$color: white').as({
    '$color': 'white'
  });
  itParses('$color  : white').as({
    '$color': 'white'
  });
  itParses('$non-color: 10px;').as({
    '$non-color': '10px'
  });
  return itParses('$non-color: 10px').as({
    '$non-color': '10px'
  });
});
```

Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    as: (variables) ->
      it "parses '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

Response:
this

    asUndefined: ->
      it "does not parse '#{expression}' as a variable expression", ->
        results = parser.parse(expression)

        expect(results).toBeUndefined()

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    description: ''
    as: (variables) ->
      it "parses the '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    description: ''
    as: (variables) ->
      it "parses the '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

  beforeEach ->

Response:
parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')

  itParses('--color: white;').as('var(--color)': 'white')
  itParses('--non-color: 10px;').as('var(--non-color)': '10px')

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    description: ''
    as: (variables) ->
      it "parses the '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')

  itParses('--color: white;').as('val(--color)': 'white')
  itParses('--non-color: 10px;').as('val(--non-color)': '10px')

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    description: ''
    as: (variables) ->
      it "parses the '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

  beforeEach ->

Response:
parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$color  : white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')

  itParses('--color: white;').as('val(--color)': 'white')
  itParses('--non-color: 10px;').as('val(--non-color)': '10px')

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    description: ''
    as: (variables) ->
      it "parses the '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')

  itParses('--color: white;').as('val(--color)': 'white')
  itParses('--non-color: 10px;').as('val(--non-color)': '10px')

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }


Prompt:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    description: ''
    as: (variables) ->
      it "parses the '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

  beforeEach ->

Response:
parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')

  itParses('--color: white;').as('val(--color)': 'white')
  itParses('--non-color: 10px;').as('val(--non-color)': '10px')

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }


Response:
VariableParser = require '../lib/variable-parser'
registry = require '../lib/variable-expressions'

describe 'VariableParser', ->
  [parser] = []

  itParses = (expression) ->
    description: ''
    as: (variables) ->
      it "parses the '#{expression}' as variables #{jasmine.pp(variables)}", ->
        results = parser.parse(expression)

        expect(results.length).toEqual(Object.keys(variables).length)
        for {name, value, range} in results
          expected = variables[name]
          if expected.value?
            expect(value).toEqual(expected.value)
          else if expected.range?
            expect(range).toEqual(expected.range)
          else
            expect(value).toEqual(expected)

      this

  beforeEach ->
    parser = new VariableParser(registry)

  itParses('color = white').as('color': 'white')
  itParses('non-color = 10px').as('non-color': '10px')

  itParses('$color: white;').as('$color': 'white')
  itParses('$color: white').as('$color': 'white')
  itParses('$non-color: 10px;').as('$non-color': '10px')
  itParses('$non-color: 10px').as('$non-color': '10px')

  itParses('@color: white;').as('@color': 'white')
  itParses('@non-color: 10px;').as('@non-color': '10px')

  itParses("""
    colors = {
      red: rgb(255,0,0),
      green: rgb(0,255,0),
      blue: rgb(0,0,255)
      value: 10px
      light: {
        base: lightgrey
      }
      dark: {
        base: slategrey
      }