assert-match/dst/util/utils.js

assert + matchers <3

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _typeof2 = require('babel-runtime/helpers/typeof');

var _typeof3 = _interopRequireDefault(_typeof2);

var _strict = require('../matchers/strict');

var _strict2 = _interopRequireDefault(_strict);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = {
    hasOwn: hasOwn,
    isMatcher: isMatcher,
    isObject: isObject,
    isStandardObject: isStandardObject,
    iterateKeys: iterateKeys
};


function hasOwn(obj, key) {
    return isObject(obj) && Object.prototype.hasOwnProperty.call(obj, key);
}

function isMatcher(obj) {
    return obj instanceof _strict2.default;
}

function isObject(obj) {
    return obj && (typeof obj === 'undefined' ? 'undefined' : (0, _typeof3.default)(obj)) === 'object';
}

function isStandardObject(obj) {
    return obj instanceof Buffer || obj instanceof ArrayBuffer || obj instanceof Boolean || obj instanceof Date || obj instanceof Number || obj instanceof RegExp || obj instanceof String || isArguments(obj);
}

function isArguments(object) {
    return Object.prototype.toString.call(object) === '[object Arguments]';
}

function iterateKeys() {

    var visited = [];

    return function keysIterator(obj, cb) {

        if (!isObject(obj)) {
            return;
        }

        if (visited.indexOf(obj) !== -1) {
            return;
        }

        visited.push(obj);

        for (var key in obj) {
            cb(key);
        }

        visited.pop();
    };
}
module.exports = exports['default'];