How to make a query SPARQL multiline in javascript?

Question

how to make a query SPARQL multiline in javascript? What is the correct syntax?

var query = "
    PREFIX dcterms: <http://purl.org/dc/terms/>
    PREFIX fabio: <http://purl.org/spar/fabio/>
    PREFIX frbr: <http://purl.org/vocab/frbr/core#>

    SELECT DISTINCT ?x
    WHERE {
       ?x a fabio:Item.
    }";

Answer 1

Your options are:

• Using the string concatenation operator
• Using ES6 multiline strings along with a pre-processor like Babel
• Using backslash to escape the new line character at the end
• Use a hack like this that reads function body as a string and extracts its contents.