Selectively change set element to weighted/unweighted depending on currently local or global crosstab banner element

gistfile1.txt

/**
 * This code will set selected elements to unweighted if crosstabbed by particular banner elements.

 */
{
    //TL, 2023-11-02
    //This code is from the QUNIT: Car sales demo
    //Add code that unweighs data when Specialty is used as a crosstab
    let BANNER_THAT_SHALL_BE_UNWEIGHTED = 'quotaquestion'  
    
    //Toggle global weight off when the global crosstab == BANNER_THAT_SHALL_BE_UNWEIGHTED
    function onChangeGlobalWeight() {
        let globalBanner = protobi.viewModel.get('crosstab')
        $.notify("Crossed by "+ globalBanner)
        if (globalBanner == BANNER_THAT_SHALL_BE_UNWEIGHTED) {
            protobi.viewModel.set('showWeighted', false)
        }
        else {
             protobi.viewModel.set('showWeighted', true)
        }
    }
    
    //Set local weight == 1 when the local crosstab == BANNER_THAT_SHALL_BE_UNWEIGHTED
    function onChangeLocalWeight(dim) {
        let col = dim.get('col')
        if (!Array.isArray(col)) col = [col]
        let priorWeight = dim.get('weight') || null
        let defaultWeight = dim.get('_weight') || null
        let currentWeight = col.includes(BANNER_THAT_SHALL_BE_UNWEIGHTED) ? 1 : (defaultWeight ?? priorWeight)
        if (priorWeight != currentWeight) {
            dim.set('weight', currentWeight)
            console.log(`Note: setting weight to ${currentWeight} for ${dim.getKey()} because banner is '${BANNER_THAT_SHALL_BE_UNWEIGHTED}`, {priorWeight, currentWeight, col})
        }
    }
    
    protobi.viewModel.on('change:crosstab', onChangeGlobalWeight)
    onChangeGlobalWeight()
    
    protobi.getDimensions().forEach(function(dim) {
        onChangeLocalWeight(dim)
        dim.on('change:col', function(){
            onChangeLocalWeight(dim)
        })
    })
}