prism-show-language.js
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(function(){
if (typeof self === 'undefined' || !self.Prism || !self.document) {
return;
}
// The languages map is built automatically with gulp
var Languages = /*languages_placeholder[*/{"css":"CSS","clike":"C-like","javascript":"JavaScript","abap":"ABAP","actionscript":"ActionScript","apacheconf":"Apache Configuration","apl":"APL","applescript":"AppleScript","aspnet":"ASP.NET (C#)","autoit":"AutoIt","autohotkey":"AutoHotkey","basic":"BASIC","csharp":"C#","cpp":"C++","coffeescript":"CoffeeScript","css-extras":"CSS Extras","fsharp":"F#","glsl":"GLSL","http":"HTTP","inform7":"Inform 7","latex":"LaTeX","lolcode":"LOLCODE","matlab":"MATLAB","mel":"MEL","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","php":"PHP","php-extras":"PHP Extras","powershell":"PowerShell","jsx":"React JSX","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","typescript":"TypeScript","vhdl":"VHDL","vim":"vim","wiki":"Wiki markup","yaml":"YAML"}/*]*/;
Prism.hooks.add('before-highlight', function(env) {
var pre = env.element.parentNode;
if (!pre || !/pre/i.test(pre.nodeName)) {
return;
}
var language = Languages[env.language] || (env.language.substring(0, 1).toUpperCase() + env.language.substring(1));
pre.setAttribute('data-language', language);
/* check if the divs already exist */
var sib = pre.previousSibling;
var div, div2;
if (sib && /\s*\bprism-show-language\b\s*/.test(sib.className) &&
sib.firstChild &&
/\s*\bprism-show-language-label\b\s*/.test(sib.firstChild.className)) {
div2 = sib.firstChild;
if (div2.getAttribute('data-language') !== language) {
div2.setAttribute('data-language', language);
div2.innerHTML = language;
}
} else {
div = document.createElement('div');
div2 = document.createElement('div');
div2.className = 'prism-show-language-label';
div2.setAttribute('data-language', language);
div2.innerHTML = language;
div.className = 'prism-show-language';
div.appendChild(div2);
pre.parentNode.insertBefore(div, pre);
}
});
})();