src/rainbow.js
function extend(language, languagePatterns, inherits) {

    // If we extend a language again we shouldn't need to specify the
    // inheritence for it. For example, if you are adding special highlighting
    // for a javascript function that is not in the base javascript rules, you
    // should be able to do
    //
    // Rainbow.extend('javascript', [ … ]);
    //
    // Without specifying a language it should inherit (generic in this case)
    if (!inheritenceMap[language]) {
        inheritenceMap[language] = inherits;
    }

    patterns[language] = languagePatterns.concat(patterns[language] || []);
}
function extend(language, languagePatterns, inherits) {

    // If we extend a language again we shouldn't need to specify the
    // inheritence for it. For example, if you are adding special highlighting
    // for a javascript function that is not in the base javascript rules, you
    // should be able to do
    //
    // Rainbow.extend('javascript', [ … ]);
    //
    // Without specifying a language it should inherit (generic in this case)
    if (!inheritenceMap[language]) {
        inheritenceMap[language] = inherits;
    }

    patterns[language] = languagePatterns.concat(patterns[language] || []);
}
function extend ( language , languagePatterns , inherits ) { // If we extend a language again we shouldn't need to specify the // inheritence for it. For example, if you are adding special highlighting // for a javascript function that is not in the base javascript rules, you // should be able to do // // Rainbow.extend('javascript', [ … ]); // // Without specifying a language it should inherit (generic in this case) if ( ! inheritenceMap [ language ] ) { inheritenceMap [ language ] = inherits ; } patterns [ language ] = languagePatterns . concat ( patterns [ language ] || [ ] ) ; }
Extends the language pattern matches

@param {string} language            name of language
@param {object} languagePatterns    object of patterns to add on
@param {string|undefined} inherits  optional language that this language
should inherit rules from
Extends the language pattern matches