/**
 * Copyright 2020 Opstrace, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ import * as Diff from "diff" ; import { log , isDebugLogging } from "./log" ; /**
 * Deep diff between two objects
 */ export function diff ( old , possiblyChangedObj ) { return Diff . diffJson ( old , possiblyChangedObj ) ; } export function logDiff ( old , possiblyChangedObj ) { if ( ! isDebugLogging ( ) ) { return ; } let msg = "" ; diff ( old , possiblyChangedObj ) . forEach ( change => { if ( change . added ) { msg += `\x1b[32m${ change . value }\x1b[0m` ; } else if ( change . removed ) { msg += `\x1b[31m${ change . value }\x1b[0m` ; } else { msg += `\x1b[2m${ change . value }\x1b[0m` ; } } ) ; if ( msg . length ) { log . debug ( msg ) ; } }