"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const isDocument_1 = __importDefault(require("./isDocument"));
const isDOMNode_1 = __importDefault(require("./isDOMNode"));
const isWindow_1 = __importDefault(require("./isWindow"));
function getCurrentDocument(obj) {
    if (isDocument_1.default(obj)) {
        return obj;
    }
    if (isWindow_1.default(obj)) {
        return obj.document;
    }
    if (!isDOMNode_1.default(obj)) {
        return null;
    }
    return obj.ownerDocument;
}
exports.default = getCurrentDocument;