ut2/es/invert.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

import allKeys from './allKeys.js';
import { stubTrue } from './internals/helpers.js';
import { objectProtoToString } from './internals/native.js';

function invert(object, predicate) {
    if (predicate === void 0) { predicate = stubTrue; }
    var _keys = allKeys(object);
    var result = {};
    _keys.forEach(function (key) {
        var value = object[key];
        if (predicate(value, key)) {
            var valueProp = value != null && typeof value.toString != 'function' ? objectProtoToString.call(value) : value;
            result[valueProp] = key;
        }
        else {
            result[key] = value;
        }
    });
    return result;
}

export { invert as default };