VLEX/BPM-UI/node_modules/@swimlane/ngx-datatable/esm2015/lib/utils/selection.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @param {?} selected
 * @param {?} row
 * @param {?} comparefn
 * @return {?}
 */
export function selectRows(selected, row, comparefn) {
    /** @type {?} */
    const selectedIndex = comparefn(row, selected);
    if (selectedIndex > -1) {
        selected.splice(selectedIndex, 1);
    }
    else {
        selected.push(row);
    }
    return selected;
}
/**
 * @param {?} selected
 * @param {?} rows
 * @param {?} index
 * @param {?} prevIndex
 * @param {?} comparefn
 * @return {?}
 */
export function selectRowsBetween(selected, rows, index, prevIndex, comparefn) {
    /** @type {?} */
    const reverse = index < prevIndex;
    for (let i = 0; i < rows.length; i++) {
        /** @type {?} */
        const row = rows[i];
        /** @type {?} */
        const greater = i >= prevIndex && i <= index;
        /** @type {?} */
        const lesser = i <= prevIndex && i >= index;
        /** @type {?} */
        let range = { start: 0, end: 0 };
        if (reverse) {
            range = {
                start: index,
                end: prevIndex
            };
        }
        else {
            range = {
                start: prevIndex,
                end: index + 1
            };
        }
        if ((reverse && lesser) || (!reverse && greater)) {
            // if in the positive range to be added to `selected`, and
            // not already in the selected array, add it
            if (i >= range.start && i <= range.end) {
                selected.push(row);
            }
        }
    }
    return selected;
}
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