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import isModifierRequired from '../utils/isModifierRequired';
import find from '../utils/find';
/**
* @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 hide(data) {
if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {
return data;
}
const refRect = data.offsets.reference;
const bound = find(
data.instance.modifiers,
modifier => modifier.name === 'preventOverflow'
).boundaries;
if (
refRect.bottom < bound.top ||
refRect.left > bound.right ||
refRect.top > bound.bottom ||
refRect.right < bound.left
) {
// Avoid unnecessary DOM access if visibility hasn't changed
if (data.hide === true) {
return data;
}
data.hide = true;
data.attributes['x-out-of-boundaries'] = '';
} else {
// Avoid unnecessary DOM access if visibility hasn't changed
if (data.hide === false) {
return data;
}
data.hide = false;
data.attributes['x-out-of-boundaries'] = false;
}
return data;
}