CSP-hashes is a utility for hashing scripts while creating a Content Security Policy (CSP).
let hashes = csp_hashes_from_html_document(
r#"<!doctype html>
<html>
<head>
<title>woof</title>
<script>console.log("in head")</script>
</head>
<body>
<script>console.log("in body")</script>
</body>
</html>"#
); // {"sha384-8wiu0e3/t6a55K7REGqooaRsccJwaR4CH2UgjuPia5OjmnWavbRbuAk4NL+WJ07o", "sha384-DSCsjoY4lRFgW2ltWTCEhMG+WSglTblYcvUcCd/X4ua88hLymWLjdMdNAEXJF1R9"}