Function coerce

src/traces/heatmap/defaults.js:13–15

(attr, dflt)

module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout) {
    function coerce(attr, dflt) {
        return Lib.coerce(traceIn, traceOut, attributes, attr, dflt);
    }

    var validData = handleXYZDefaults(traceIn, traceOut, coerce, layout);
    if (!validData) {