28 lines
862 B
JavaScript
28 lines
862 B
JavaScript
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// OSRM base class
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OSRM = {};
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OSRM.VERSION = '0.1';
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// inheritance helper function (convenience function)
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OSRM._inheritFromHelper = function() {};
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OSRM.inheritFrom = function( sub_class, base_class ) {
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OSRM._inheritFromHelper.prototype = base_class.prototype;
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sub_class.prototype = new OSRM._inheritFromHelper();
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sub_class.prototype.constructor = sub_class;
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sub_class.prototype.base = base_class.prototype;
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};
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// class prototype extending helper function (convenience function)
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OSRM.extend = function( target_class, properties ) {
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for( property in properties ) {
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target_class.prototype[property] = properties[property];
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}
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};
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// usage:
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// SubClass = function() {
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// SubClass.prototype.base.constructor.apply(this, arguments);
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// }
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// OSRM.inheritFrom( SubClass, BaseClass );
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// OSRM.extend( SubClass, { property:value } );
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