src/js/hammer.js
function(inputData) {
        // make a new copy of the inputData
        // so we can change the inputData without messing up the other recognizers
        var inputDataClone = assign({}, inputData);

        // is is enabled and allow recognizing?
        if (!boolOrFn(this.options.enable, [this, inputDataClone])) {
            this.reset();
            this.state = STATE_FAILED;
            return;
        }

        // reset when we've reached the end
        if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) {
            this.state = STATE_POSSIBLE;
        }

        this.state = this.process(inputDataClone);

        // the recognizer has recognized a gesture
        // so trigger an event
        if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) {
            this.tryEmit(inputDataClone);
        }
    }
function(inputData) {
        // make a new copy of the inputData
        // so we can change the inputData without messing up the other recognizers
        var inputDataClone = assign({}, inputData);

        // is is enabled and allow recognizing?
        if (!boolOrFn(this.options.enable, [this, inputDataClone])) {
            this.reset();
            this.state = STATE_FAILED;
            return;
        }

        // reset when we've reached the end
        if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) {
            this.state = STATE_POSSIBLE;
        }

        this.state = this.process(inputDataClone);

        // the recognizer has recognized a gesture
        // so trigger an event
        if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) {
            this.tryEmit(inputDataClone);
        }
    }
function ( inputData ) { // make a new copy of the inputData // so we can change the inputData without messing up the other recognizers var inputDataClone = assign ( { } , inputData ) ; // is is enabled and allow recognizing? if ( ! boolOrFn ( this . options . enable , [ this , inputDataClone ] ) ) { this . reset ( ) ; this . state = STATE_FAILED ; return ; } // reset when we've reached the end if ( this . state & ( STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED ) ) { this . state = STATE_POSSIBLE ; } this . state = this . process ( inputDataClone ) ; // the recognizer has recognized a gesture // so trigger an event if ( this . state & ( STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED ) ) { this . tryEmit ( inputDataClone ) ; } }
update the recognizer
@param {Object} inputData
update the recognizer