VLEX/BPM-UI/node_modules/ngx-bootstrap/positioning/esm5/utils/computeAutoPlacement.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import * as tslib_1 from "tslib";
/**
 * Utility used to transform the `auto` placement to the placement with more
 * available space.
 */
import { getBoundaries } from './getBoundaries';
/**
 * @param {?} __0
 * @return {?}
 */
function getArea(_a) {
    var width = _a.width, height = _a.height;
    return width * height;
}
/**
 * @param {?} placement
 * @param {?} refRect
 * @param {?} target
 * @param {?} host
 * @param {?=} allowedPositions
 * @param {?=} boundariesElement
 * @param {?=} padding
 * @return {?}
 */
export function computeAutoPlacement(placement, refRect, target, host, allowedPositions, boundariesElement, padding) {
    if (allowedPositions === void 0) { allowedPositions = ['top', 'bottom', 'right', 'left']; }
    if (boundariesElement === void 0) { boundariesElement = 'viewport'; }
    if (padding === void 0) { padding = 0; }
    if (placement.indexOf('auto') === -1) {
        return placement;
    }
    /** @type {?} */
    var boundaries = getBoundaries(target, host, padding, boundariesElement);
    /** @type {?} */
    var rects = {
        top: {
            width: boundaries.width,
            height: refRect.top - boundaries.top
        },
        right: {
            width: boundaries.right - refRect.right,
            height: boundaries.height
        },
        bottom: {
            width: boundaries.width,
            height: boundaries.bottom - refRect.bottom
        },
        left: {
            width: refRect.left - boundaries.left,
            height: boundaries.height
        }
    };
    /** @type {?} */
    var sortedAreas = Object.keys(rects)
        .map((/**
     * @param {?} key
     * @return {?}
     */
    function (key) { return (tslib_1.__assign({ key: key }, rects[key], { area: getArea(rects[key]) })); }))
        .sort((/**
     * @param {?} a
     * @param {?} b
     * @return {?}
     */
    function (a, b) { return b.area - a.area; }));
    /** @type {?} */
    var filteredAreas = sortedAreas.filter((/**
     * @param {?} __0
     * @return {?}
     */
    function (_a) {
        var width = _a.width, height = _a.height;
        return width >= target.clientWidth
            && height >= target.clientHeight;
    }));
    filteredAreas = filteredAreas.filter((/**
     * @param {?} position
     * @return {?}
     */
    function (position) {
        return allowedPositions
            .some((/**
         * @param {?} allowedPosition
         * @return {?}
         */
        function (allowedPosition) {
            return allowedPosition === position.key;
        }));
    }));
    /** @type {?} */
    var computedPlacement = filteredAreas.length > 0
        ? filteredAreas[0].key
        : sortedAreas[0].key;
    /** @type {?} */
    var variation = placement.split(' ')[1];
    // for tooltip on auto position
    target.className = target.className.replace(/bs-tooltip-auto/g, "bs-tooltip-" + computedPlacement);
    return computedPlacement + (variation ? "-" + variation : '');
}
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