(function (Prism) {
var javascript = Prism.util.clone(Prism.languages.javascript);
var space = /(?:\s|\/\/.*(?!.)|\/\*(?:[^*]|\*(?!\/))\*\/)/.source;
var braces = /(?:\{(?:\{(?:\{[^{}]*\}|[^{}])*\}|[^{}])*\})/.source;
var spread = /(?:\{<S>*\.{3}(?:[^{}]|<BRACES>)*\})/.source;
/**
* @param {string} source
* @param {string} [flags]
*/
function re(source, flags) {
source = source
.replace(/<S>/g, function () {
return space;
})
.replace(/<BRACES>/g, function () {
return braces;
})
.replace(/<SPREAD>/g, function () {
return spread;
});
return RegExp(source, flags);
}
spread = re(spread).source;
Prism.languages.jsx = Prism.languages.extend('markup', javascript);
Prism.languages.jsx.tag.pattern = re(
/<\/?(?:[\w.:-]+(?:<S>+(?:[\w.:$-]+(?:=(?:"(?:\\[\s\S]|[^\\"])*"|'(?:\\[\s\S]|[^\\'])*'|[^\s{'"/>=]+|<BRACES>))?|<SPREAD>))*<S>*\/?)?>/
.source
);
Prism.languages.jsx.tag.inside['tag'].pattern = /^<\/?[^\s>\/]*/;
Prism.languages.jsx.tag.inside['attr-value'].pattern =
/=(?!\{)(?:"(?:\\[\s\S]|[^\\"])*"|'(?:\\[\s\S]|[^\\'])*'|[^\s'">]+)/;
Prism.languages.jsx.tag.inside['tag'].inside['class-name'] =
/^[A-Z]\w*(?:\.[A-Z]\w*)*$/;
Prism.languages.jsx.tag.inside['comment'] = javascript['comment'];
Prism.languages.insertBefore(
'inside',
'attr-name',
{
spread: {
pattern: re(/<SPREAD>/.source),
inside: Prism.languages.jsx,
},
},
Prism.languages.jsx.tag
);
Prism.languages.insertBefore(
'inside',
'special-attr',
{
script: {
// Allow for two levels of nesting
pattern: re(/=<BRACES>/.source),
alias: 'language-javascript',
inside: {
'script-punctuation': {
pattern: /^=(?=\{)/,
alias: 'punctuation',
},
rest: Prism.languages.jsx,
},
},
},
Prism.languages.jsx.tag
);
// The following will handle plain text inside tags
var stringifyToken = function (token) {
if (!token) {
return '';
}
if (typeof token === 'string') {
return token;
}
if (typeof token.content === 'string') {
return token.content;
}
return token.content.map(stringifyToken).join('');
};
var walkTokens = function (tokens) {
var openedTags = [];
for (var i = 0; i < tokens.length; i++) {
var token = tokens[i];
var notTagNorBrace = false;
if (typeof token !== 'string') {
if (
token.type === 'tag' &&
token.content[0] &&
token.content[0].type === 'tag'
) {
// We found a tag, now find its kind
if (token.content[0].content[0].content === '</') {
// Closing tag
if (
openedTags.length > 0 &&
openedTags[openedTags.length - 1].tagName ===
stringifyToken(token.content[0].content[1])
) {
// Pop matching opening tag
openedTags.pop();
}
} else {
if (token.content[token.content.length - 1].content === '/>') {
// Autoclosed tag, ignore
} else {
// Opening tag
openedTags.push({