ng-zorro-antd/esm5/core/util/check.js

An enterprise-class UI components based on Ant Design and Angular

/**
 * @fileoverview added by tsickle
 * Generated from: check.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { TemplateRef, Type } from '@angular/core';
/**
 * @template T
 * @param {?} value
 * @return {?}
 */
export function isNotNil(value) {
    return typeof value !== 'undefined' && value !== null;
}
/**
 * @param {?} value
 * @return {?}
 */
export function isNil(value) {
    return typeof value === 'undefined' || value === null;
}
/**
 * Examine if two objects are shallowly equaled.
 * @param {?=} objA
 * @param {?=} objB
 * @return {?}
 */
export function shallowEqual(objA, objB) {
    if (objA === objB) {
        return true;
    }
    if (typeof objA !== 'object' || !objA || typeof objB !== 'object' || !objB) {
        return false;
    }
    /** @type {?} */
    var keysA = Object.keys(objA);
    /** @type {?} */
    var keysB = Object.keys(objB);
    if (keysA.length !== keysB.length) {
        return false;
    }
    /** @type {?} */
    var bHasOwnProperty = Object.prototype.hasOwnProperty.bind(objB);
    // tslint:disable-next-line:prefer-for-of
    for (var idx = 0; idx < keysA.length; idx++) {
        /** @type {?} */
        var key = keysA[idx];
        if (!bHasOwnProperty(key)) {
            return false;
        }
        if (objA[key] !== objB[key]) {
            return false;
        }
    }
    return true;
}
/**
 * @param {?} value
 * @return {?}
 */
export function isInteger(value) {
    return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
}
/**
 * @param {?} element
 * @return {?}
 */
export function isEmpty(element) {
    /** @type {?} */
    var nodes = element.childNodes;
    for (var i = 0; i < nodes.length; i++) {
        if (filterNotEmptyNode(nodes.item(i))) {
            return false;
        }
    }
    return true;
}
/**
 * @param {?} node
 * @return {?}
 */
export function filterNotEmptyNode(node) {
    if (node) {
        if (node.nodeType === 1 && ((/** @type {?} */ (node))).outerHTML.toString().trim().length !== 0) {
            // ELEMENT_NODE
            return node;
        }
        else if (node.nodeType === 3 && (/** @type {?} */ (node.textContent)).toString().trim().length !== 0) {
            // TEXT_NODE
            return node;
        }
        return null;
    }
    return null;
}
/**
 * @param {?} value
 * @return {?}
 */
export function isNonEmptyString(value) {
    return typeof value === 'string' && value !== '';
}
/**
 * @param {?} value
 * @return {?}
 */
export function isTemplateRef(value) {
    return value instanceof TemplateRef;
}
/**
 * @param {?} value
 * @return {?}
 */
export function isComponent(value) {
    return value instanceof Type;
}
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