Edit File: keepTogether.js
/** * @function * @memberof Modifiers * @argument {Object} data - The data object generated by update method * @argument {Object} options - Modifiers configuration and options * @returns {Object} The data object, properly modified */ export default function keepTogether(data) { const { popper, reference } = data.offsets; const placement = data.placement.split('-')[0]; const floor = Math.floor; const isVertical = ['top', 'bottom'].indexOf(placement) !== -1; const side = isVertical ? 'right' : 'bottom'; const opSide = isVertical ? 'left' : 'top'; const measurement = isVertical ? 'width' : 'height'; if (popper[side] < floor(reference[opSide])) { data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement]; } if (popper[opSide] > floor(reference[side])) { data.offsets.popper[opSide] = floor(reference[side]); } return data; }
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