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93 lines
2.9 KiB
JavaScript
93 lines
2.9 KiB
JavaScript
/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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* This module contains functions that are common to client and server
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* code. None of them should be used directly by gRPC users.
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* @module
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*/
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'use strict';
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var _ = require('lodash');
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/**
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* Wrap a function to pass null-like values through without calling it. If no
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* function is given, just uses the identity;
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* @param {?function} func The function to wrap
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* @return {function} The wrapped function
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*/
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exports.wrapIgnoreNull = function wrapIgnoreNull(func) {
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if (!func) {
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return _.identity;
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}
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return function(arg) {
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if (arg === null || arg === undefined) {
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return null;
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}
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return func(arg);
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};
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};
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/**
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* The logger object for the gRPC module. Defaults to console.
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*/
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exports.logger = console;
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/**
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* The current logging verbosity. 0 corresponds to logging everything
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*/
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exports.logVerbosity = 0;
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/**
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* Log a message if the severity is at least as high as the current verbosity
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* @param {Number} severity A value of the grpc.logVerbosity map
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* @param {String} message The message to log
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*/
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exports.log = function log(severity, message) {
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if (severity >= exports.logVerbosity) {
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exports.logger.error(message);
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}
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};
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/**
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* Default options for loading proto files into gRPC
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*/
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exports.defaultGrpcOptions = {
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convertFieldsToCamelCase: false,
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binaryAsBase64: false,
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longsAsStrings: true,
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enumsAsStrings: true,
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deprecatedArgumentOrder: false
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};
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