gulp-inline-temp

gulp

var inline = require('gulp-inline-temp')
gulp.task('views', () => {
	gulp.src('./a.html')
        .pipe(inline())
		.pipe(gulp.dest("dist"))
})

Example

html

a.html

<div>
	<link type="import" href="./b.html" />
</div>

b.html

<p>this is b.html</p>

Output

<div>
	<p>this is b.html</p>
</div>

js

a.js

__inline("./b.js")

b.js

console.log("this is b.js")

Output

console.log("this is b.js")