VLEX/BPM-UI/node_modules/ngx-bootstrap/positioning/esm5/modifiers/arrow.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { getClientRect, getOuterSizes, getStyleComputedProperty } from '../utils';
/**
 * @param {?} data
 * @return {?}
 */
export function arrow(data) {
    var _a;
    /** @type {?} */
    var targetOffsets = data.offsets.target;
    // if arrowElement is a string, suppose it's a CSS selector
    /** @type {?} */
    var arrowElement = data.instance.target.querySelector('.arrow');
    // if arrowElement is not found, don't run the modifier
    if (!arrowElement) {
        return data;
    }
    /** @type {?} */
    var isVertical = ['left', 'right'].indexOf(data.placement) !== -1;
    /** @type {?} */
    var len = isVertical ? 'height' : 'width';
    /** @type {?} */
    var sideCapitalized = isVertical ? 'Top' : 'Left';
    /** @type {?} */
    var side = sideCapitalized.toLowerCase();
    /** @type {?} */
    var altSide = isVertical ? 'left' : 'top';
    /** @type {?} */
    var opSide = isVertical ? 'bottom' : 'right';
    /** @type {?} */
    var arrowElementSize = getOuterSizes(arrowElement)[len];
    // top/left side
    if (data.offsets.host[opSide] - arrowElementSize < ((/** @type {?} */ (targetOffsets)))[side]) {
        ((/** @type {?} */ (targetOffsets)))[side] -=
            ((/** @type {?} */ (targetOffsets)))[side] - (data.offsets.host[opSide] - arrowElementSize);
    }
    // bottom/right side
    if (Number(((/** @type {?} */ (data))).offsets.host[side]) + Number(arrowElementSize) > ((/** @type {?} */ (targetOffsets)))[opSide]) {
        ((/** @type {?} */ (targetOffsets)))[side] +=
            Number(((/** @type {?} */ (data))).offsets.host[side]) + Number(arrowElementSize) - Number(((/** @type {?} */ (targetOffsets)))[opSide]);
    }
    targetOffsets = getClientRect(targetOffsets);
    // compute center of the target
    /** @type {?} */
    var center = Number(((/** @type {?} */ (data))).offsets.host[side]) + Number(data.offsets.host[len] / 2 - arrowElementSize / 2);
    // Compute the sideValue using the updated target offsets
    // take target margin in account because we don't have this info available
    /** @type {?} */
    var css = getStyleComputedProperty(data.instance.target);
    /** @type {?} */
    var targetMarginSide = parseFloat(css["margin" + sideCapitalized]);
    /** @type {?} */
    var targetBorderSide = parseFloat(css["border" + sideCapitalized + "Width"]);
    /** @type {?} */
    var sideValue = center - ((/** @type {?} */ (targetOffsets)))[side] - targetMarginSide - targetBorderSide;
    // prevent arrowElement from being placed not contiguously to its target
    sideValue = Math.max(Math.min(targetOffsets[len] - arrowElementSize, sideValue), 0);
    data.offsets.arrow = (_a = {},
        _a[side] = Math.round(sideValue),
        _a[altSide] = '' // make sure to unset any eventual altSide value from the DOM node
    ,
        _a);
    data.instance.arrow = arrowElement;
    return data;
}
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