A routine to make a verb base into a present participle ... move -> moving

makeIng.js

// This is a utility to make a pre-event dispatched before a normal event.
//  on(move) ... on(moving... ) followed by on( move )
//  
//


function makeIng( verb ) {
        if( verb.endsWith( "y" ) 
            ||verb.endsWith( "a" )
            ||verb.endsWith( "o" )
            || verb.endsWith( "u" )
            || verb.endsWith( "w" ) ) {
            // try -> trying
            // scuba -> scubaing
            // moto -> motoing
            return verb + "ing";
        } else if( verb.endsWith( "e" ) ) {
            if( verb[verb.length-2] === 'i') {
                // untie untying
                return verb.substr(0,verb.length-2) + "ying";
            }
            // make -> making
            // congrue ->congruing
            return verb.substr(0,verb.length-1) + "ing";
        } else {
            // ram -> ramming
            return verb + verb.substr(verb.length-1,1) + "ing";
        }
    }

/*
For two syllable verbs
If the 1st syllable is stressed, just add ING

answer - answering
offer - offering
listen - listening
visit - visiting
If the 2nd syllable is stressed , double the consonant and add ING

admit - admitting
prefer - preferring
begin - beginning
*/