Task to build and publish a .SLN file from gulp using "msbuild" instead of "gulp-msbuild". Version 16.0 for VS2019, use 15.0 for VS2017.

gulp-config.js

module.exports = function () {
	var config = {
		websiteRoot: "C:\\inetpub\\wwwroot\\sc911.sc",
		sitecoreLibraries: "C:\\inetpub\\wwwroot\\sc911.sc\\bin",
		hostName: "http://sc911.sc",
		solutionName: "sc911",
		buildConfiguration: "Debug",
		runCleanBuilds: false,
		toolsVersion: "16.0"
	}

	return config;
}

gulpfile.js

var _msbuild = require("msbuild");

...

gulp.task("Publish-Solution", function (callback) {
  var msbuild = new _msbuild(callback);
  msbuild.sourcePath = config.solutionName + '.sln'
  var overrideParams = [];
    overrideParams.push('/p:Configuration=' + config.buildConfiguration);
    overrideParams.push('/p:DeployOnBuild=true');
    overrideParams.push('/p:DeployDefaultTarget=WebPublish');
  	overrideParams.push('/p:WebPublishMethod=FileSystem');
  	overrideParams.push('/p:DeleteExistingFiles=false');
  	overrideParams.push('/p:publishUrl=' + config.websiteRoot);
  msbuild.config('overrideParams',overrideParams);
  msbuild.config('version', config.toolsVersion);
  // msbuild.targets = ["Build"];
  msbuild.build(); // calls (callback) when done
});