VLEX/BPM-UI/node_modules/ngx-bootstrap/positioning/esm2015/modifiers/preventOverflow.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { getBoundaries, isModifierEnabled } from '../utils';
/**
 * @param {?} data
 * @return {?}
 */
export function preventOverflow(data) {
    if (!isModifierEnabled(data.options, 'preventOverflow')) {
        return data;
    }
    // NOTE: DOM access here
    // resets the targetOffsets's position so that the document size can be calculated excluding
    // the size of the targetOffsets element itself
    /** @type {?} */
    const transformProp = 'transform';
    /** @type {?} */
    const targetStyles = data.instance.target.style;
    // assignment to help minification
    const { top, left, [transformProp]: transform } = targetStyles;
    targetStyles.top = '';
    targetStyles.left = '';
    targetStyles[transformProp] = '';
    /** @type {?} */
    const boundaries = getBoundaries(data.instance.target, data.instance.host, 0, // padding
    'scrollParent', false // positionFixed
    );
    // NOTE: DOM access here
    // restores the original style properties after the offsets have been computed
    targetStyles.top = top;
    targetStyles.left = left;
    targetStyles[transformProp] = transform;
    /** @type {?} */
    const order = ['left', 'right', 'top', 'bottom'];
    /** @type {?} */
    const check = {
        /**
         * @param {?} placement
         * @return {?}
         */
        primary(placement) {
            /** @type {?} */
            let value = ((/** @type {?} */ (data))).offsets.target[placement];
            if (((/** @type {?} */ (data))).offsets.target[placement] < boundaries[placement] &&
                !false // options.escapeWithReference
            ) {
                value = Math.max(((/** @type {?} */ (data))).offsets.target[placement], boundaries[placement]);
            }
            return { [placement]: value };
        },
        /**
         * @param {?} placement
         * @return {?}
         */
        secondary(placement) {
            /** @type {?} */
            const mainSide = placement === 'right' ? 'left' : 'top';
            /** @type {?} */
            let value = data.offsets.target[mainSide];
            if (((/** @type {?} */ (data))).offsets.target[placement] > boundaries[placement] &&
                !false // escapeWithReference
            ) {
                value = Math.min(data.offsets.target[mainSide], boundaries[placement] -
                    (placement === 'right' ? data.offsets.target.width : data.offsets.target.height));
            }
            return { [mainSide]: value };
        }
    };
    /** @type {?} */
    let side;
    order.forEach((/**
     * @param {?} placement
     * @return {?}
     */
    placement => {
        side = ['left', 'top']
            .indexOf(placement) !== -1
            ? 'primary'
            : 'secondary';
        data.offsets.target = Object.assign({}, data.offsets.target, ((/** @type {?} */ (check)))[side](placement));
    }));
    return data;
}
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