GitFOSS

Prism.languages.jsonp = Prism.languages.extend('json', {
	'punctuation': /[{}[\]();,.]/
});

Prism.languages.insertBefore('jsonp', 'punctuation', {
	'function': /(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\s*\()/
});