My Slate configuration.

.slate.js

'use strict';

/**
 * Fullscreen (CTRL + F)
 */
slate.bind('f:ctrl', function(window) {
    window.doOperation(move({
        x: 'screenOriginX',
        y: 'screenOriginY',
        width: 'screenSizeX',
        height: 'screenSizeY'
    }));
});

/**
 * Halfscreen Left-Aligned (ALT + Left)
 */
slate.bind('left:alt', function(window) {
    window.doOperation(move({
        x: '0',
        y: 'screenOriginY',
        width: 'screenSizeX / 2',
        height: 'screenSizeY'
    }));
});

/**
 * Halfscreen Right-Aligned (ALT + Right)
 */
slate.bind('right:alt', function(window) {
    window.doOperation(move({
        x: 'screenSizeX / 2',
        y: 'screenOriginY',
        width: 'screenSizeX / 2',
        height: 'screenSizeY'
    }));
});

/**
 * Constructs Slate operation for moving the window.
 *
 * @param {Object} options - The operation options.
 * @return {Object} The Operation object.
 */
function move(options) {
    return slate.operation('move', options);
}