prism-coffeescript.js
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(function(Prism) {
// Ignore comments starting with { to privilege string interpolation highlighting
var comment = /#(?!\{).+/,
interpolation = {
pattern: /#\{[^}]+\}/,
alias: 'variable'
};
Prism.languages.coffeescript = Prism.languages.extend('javascript', {
'comment': comment,
'string': [
// Strings are multiline
/'(?:\\?[^\\])*?'/,
{
// Strings are multiline
pattern: /"(?:\\?[^\\])*?"/,
inside: {
'interpolation': interpolation
}
}
],
'keyword': /\b(and|break|by|catch|class|continue|debugger|delete|do|each|else|extend|extends|false|finally|for|if|in|instanceof|is|isnt|let|loop|namespace|new|no|not|null|of|off|on|or|own|return|super|switch|then|this|throw|true|try|typeof|undefined|unless|until|when|while|window|with|yes|yield)\b/,
'class-member': {
pattern: /@(?!\d)\w+/,
alias: 'variable'
}
});
Prism.languages.insertBefore('coffeescript', 'comment', {
'multiline-comment': {
pattern: /###[\s\S]+?###/,
alias: 'comment'
},
// Block regexp can contain comments and interpolation
'block-regex': {
pattern: /\/{3}[\s\S]*?\/{3}/,
alias: 'regex',
inside: {
'comment': comment,
'interpolation': interpolation
}
}
});
Prism.languages.insertBefore('coffeescript', 'string', {
'inline-javascript': {
pattern: /`(?:\\?[\s\S])*?`/,
inside: {
'delimiter': {
pattern: /^`|`$/,
alias: 'punctuation'
},
rest: Prism.languages.javascript
}
},
// Block strings
'multiline-string': [
{
pattern: /'''[\s\S]*?'''/,
alias: 'string'
},
{
pattern: /"""[\s\S]*?"""/,
alias: 'string',
inside: {
interpolation: interpolation
}
}
]
});
Prism.languages.insertBefore('coffeescript', 'keyword', {
// Object property
'property': /(?!\d)\w+(?=\s*:(?!:))/
});
}(Prism));