koa-csp/dist/esm/src/format-policy.js

Used to set respose header: Content-Security-Policy

import directives from './directives.js';
import repareSingleQuotes from './repare-single-quotes.js';
import toCamelCase from './to-camel-case.js';
export default function (policy) {
    return directives
        .filter((directive) => Boolean(policy[directive]) || Boolean(policy[toCamelCase(directive)]))
        .map((directive) => {
        const area = (policy[directive] || policy[toCamelCase(directive)] || [])
            .map(repareSingleQuotes);
        return [directive, ...area];
    });
}