const { src, dest } = require("gulp");
const dom = require("gulp-jsdom");

function html() {
	return src("./src/index.html")
	.pipe(dom(document => {
		document.body.innerHTML = "Hello!";
	}))
	.pipe(dest("./public/"));
}

const gulp = require("gulp");
const dom = require("gulp-jsdom");

gulp.task("html", function () {
	return gulp.src("./src/index.html")
	
	.pipe(dom(function(document){
		document.body.innerHTML = "Hello!";
	}))
	
	.pipe(gulp.dest("./public/"));
});

// ...
.pipe(dom(function(document, window){
	
	document;
	window;
	
	this.filename; // current filename
	this.file; // current file buffer
	
}), { 
	/* jsdom options here */
}, false) // serialize off