cloudfunctions/SegmentPortraitPic/node_modules/protobufjs/src/util.js

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"use strict";

/**
 * Various utility functions.
 * @namespace
 */
var util = module.exports = require("./util/minimal");

var roots = require("./roots");

var Type, // cyclic
    Enum;

util.codegen = require("@protobufjs/codegen");
util.fetch   = require("@protobufjs/fetch");
util.path    = require("@protobufjs/path");

/**
 * Node's fs module if available.
 * @type {Object.<string,*>}
 */
util.fs = util.inquire("fs");

/**
 * Converts an object's values to an array.
 * @param {Object.<string,*>} object Object to convert
 * @returns {Array.<*>} Converted array
 */
util.toArray = function toArray(object) {
    if (object) {
        var keys  = Object.keys(object),
            array = new Array(keys.length),
            index = 0;
        while (index < keys.length)
            array[index] = object[keys[index++]];
        return array;
    }
    return [];
};

/**
 * Converts an array of keys immediately followed by their respective value to an object, omitting undefined values.
 * @param {Array.<*>} array Array to convert
 * @returns {Object.<string,*>} Converted object
 */
util.toObject = function toObject(array) {
    var object = {},
        index  = 0;
    while (index < array.length) {
        var key = array[index++],
            val = array[index++];
        if (val !== undefined)
            object[key] = val;
    }
    return object;
};

var safePropBackslashRe = /\\/g,
    safePropQuoteRe     = /"/g;