.slate.js

var resizeAndCenterWindow = function(widthPercentage) {
  var xPercentageOffset = (100-widthPercentage)/2;
  return S.op("move", {
    "x"      : "screenOriginX+(screenSizeX/100.0*"+xPercentageOffset+")",
    "y"      : "screenOriginY",
    "width"  : "screenSizeX/100.0*"+widthPercentage,
    "height" : "screenSizeY"
  });
};

var fullSizeWindow = slate.operation("corner", {
  "direction" : "top-left",
  "width" : "screenSizeX",
  "height" : "screenSizeY"
});

var resizeAndCenterWindowOps = [
  fullSizeWindow,
  resizeAndCenterWindow(85),
  resizeAndCenterWindow(70),
  resizeAndCenterWindow(63),
  resizeAndCenterWindow(55),
  resizeAndCenterWindow(48),
  resizeAndCenterWindow(40)
];

var hint = slate.operation("hint", {
  "characters" : "JKLASDFGHQWERTYUIOPZXCVBNM",
  windowHintsDuration: 6
});

var FOCUS = {
  iterm: slate.operation("focus", {
    app: "iTerm2"
  }),

  chrome: slate.operation("focus", {
    app: "Google Chrome"
  }),

  vsCode: slate.operation("focus", {
    app: "Code"
  }),
};

var MOVE = {
  southWest: slate.operation("move", {
    "x" : 1,
    "y" : "screenOriginY+(screenSizeY)*0.4",
    "width" : "screenSizeX*0.6",
    "height" : "screenSizeY*0.6"
  }),

  northWide: slate.operation("move", {
    "x" : 1,
    "y" : 0,
    "width" : "screenSizeX*0.9",
    "height" : "screenSizeY*0.4"
  }),

  southEast: slate.operation("move", {
    "x" : "screenSizeX*0.6",
    "y" : "screenOriginY+(screenSizeY)*0.4",
    "width" : "screenSizeX*0.4",
    "height" : "screenSizeY*0.6"
  }),

  leftHalf: slate.operation("move", {
    "x" : 0,
    "y" : 0,
    "width" : "screenSizeX*0.5",
    "height" : "screenSizeY"
  }),

  rightHalf: slate.operation("move", {
    "x" : "screenSizeX*0.5",
    "y" : 0,
    "width" : "screenSizeX*0.5",
    "height" : "screenSizeY"
  })
};

var LAYOUT = {
	normal: false,
	develop: false,
	onlyCode: false,
	present: false,
  livecode: false
};

function setLayout(layout) {
	LAYOUT = Object.keys(LAYOUT).reduce(
		(acc, key) => { acc[key] = layout === key; return acc; },
		{}
	);
}

slate.bind("j:ctrl;cmd", function(w) {
	var title = w.app().name();
	if(title === "iTerm2") {
		if(LAYOUT.normal) { w.doOperation(MOVE.southWest) }
		else if(LAYOUT.develop) { w.doOperation(MOVE.northWide) }
		else if(LAYOUT.onlyCode) { w.doOperation(MOVE.rightHalf) }
    else if(LAYOUT.present) { w.doOperation(MOVE.leftHalf)  }
	}
	else if(title === "Google Chrome") {
		if(LAYOUT.normal) { w.doOperation(MOVE.northWide) }
		else if(LAYOUT.develop) { w.doOperation(MOVE.southEast) }
    else if(LAYOUT.present) { w.doOperation(MOVE.rightHalf)  }
    else if(LAYOUT.livecode) { w.doOperation(MOVE.rightHalf)  }
	}
	else if(title === "Code") {
		if(LAYOUT.normal) { w.doOperation(MOVE.southEast) }
		else if(LAYOUT.develop) { w.doOperation(MOVE.southWest) }
		else if(LAYOUT.onlyCode) { w.doOperation(MOVE.leftHalf) }
    else if(LAYOUT.livecode) { w.doOperation(MOVE.leftHalf)  }
	}
});

slate.bind("k:ctrl;cmd", resizeAndCenterWindowOps[0]);

slate.bind("f:ctrl;cmd", hint);

slate.bind("p:ctrl;cmd", slate.operation("sequence", {
  operations: [
    [function(w) { setLayout("present") }],
    [slate.operation("show", {app: ["iTerm2", "Google Chrome"]}), FOCUS.iterm],
    [MOVE.leftHalf, FOCUS.chrome],
    [MOVE.rightHalf, FOCUS.iterm]
  ]
}));


slate.bind("l:ctrl;cmd", slate.operation("sequence", {
  operations: [
    [function(w) { setLayout("livecode") }],
    [slate.operation("show", {app: ["Code", "Google Chrome"]}), FOCUS.chrome],
    [MOVE.rightHalf, FOCUS.vsCode],
    [MOVE.leftHalf]
  ]
}));

slate.bind("n:ctrl;cmd", slate.operation("sequence", {
  operations: [
    [function(w) { setLayout("normal") }],
    [slate.operation("show", {app: ["iTerm2", "Code", "Google Chrome"]}), FOCUS.vsCode],
    [MOVE.southEast, FOCUS.iterm],
    [MOVE.southWest, FOCUS.chrome],
    [MOVE.northWide],
  ]
}));

slate.bind("d:ctrl;cmd", slate.operation("sequence", {
  operations: [
    [function(w) { setLayout("develop") }],
    [slate.operation("show", {app: ["iTerm2", "Code", "Google Chrome"]}), FOCUS.vsCode],
    [MOVE.southWest, FOCUS.iterm],
    [MOVE.northWide, FOCUS.chrome],
    [MOVE.southEast, FOCUS.vsCode],
  ]
}));

slate.bind("o:ctrl;cmd", slate.operation("sequence", {
  operations: [
    [function(w) { setLayout("onlyCode") }, FOCUS.iterm],
    [MOVE.rightHalf, FOCUS.vsCode],
    [MOVE.leftHalf],
  ]
}));

slate.bind("9:ctrl;cmd", resizeAndCenterWindowOps[1]);
slate.bind("8:ctrl;cmd", resizeAndCenterWindowOps[2]);
slate.bind("7:ctrl;cmd", resizeAndCenterWindowOps[3]);
slate.bind("6:ctrl;cmd", resizeAndCenterWindowOps[4]);

slate.bind("i:ctrl;alt", FOCUS.iterm);
slate.bind("i:ctrl;cmd", MOVE.southWest);

slate.bind("c:ctrl;alt", FOCUS.chrome);
slate.bind("c:ctrl;cmd", MOVE.northWide);

slate.bind("v:ctrl;alt", FOCUS.vsCode);
slate.bind("v:ctrl;cmd", MOVE.southEast);