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Provide an optional callback to enable adding custom Matcher instances #240

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Provide an optional callback to enable adding custom Matcher instances #240

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23 changes: 22 additions & 1 deletion src/Autolinker.js
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,11 @@ var Autolinker = function( cfg ) {
this.replaceFn = cfg.replaceFn || null;
this.context = cfg.context || this;

var applyCustomMatchers = cfg.applyCustomMatchers;
if( typeof applyCustomMatchers === 'function' ) {
this.applyCustomMatchers = applyCustomMatchers;
}

this.htmlParser = null;
this.matchers = null;
this.tagBuilder = null;
Expand Down Expand Up @@ -866,6 +871,9 @@ Autolinker.prototype = {
new matchersNs.Url( { tagBuilder: tagBuilder, stripPrefix: this.stripPrefix, stripTrailingSlash: this.stripTrailingSlash, decodePercentEncoding: this.decodePercentEncoding } )
];

// merge with additional custom-made Matcher instances
matchers = matchers.concat(this.applyCustomMatchers(this));

return ( this.matchers = matchers );

} else {
Expand Down Expand Up @@ -907,8 +915,21 @@ Autolinker.prototype = {
}

return tagBuilder;
}
},

/**
* An optional callback to be used when adding custom {@link Autolinker.Matcher Matcher}
* objects. This base implementation adds a failsafe return as an empty array, preventing
* it to misbehave while merging its results with default {@link Autolinker.Matcher Matchers}
*
* @param {Autolinker} autolinker - the actual autolinker instance
* exposed to the custom implementation of this callback function
*
* @return {Autolinker.matcher.Matcher[]}
*/
applyCustomMatchers: function (autolinker) {
return [];
}
};


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