import Measure from './measure';
/**
* Represents categorical field subtype.
*
* @extends Measure
*/
class DiscreteMeasure extends Measure {
constructor(name, data, schema, bin) {
super(name, data, schema);
this.bin = bin;
this.subtype = 'discrete';
}
/**
* A hook which is called for every entry(cell) of the column.
*
* @todo Fix the null data e.g. undefined or null etc.
*
* @param {*} val - The current entry present in the column while iteration.
* @return {string} Returns the string representation of the value.
*/
parse (val) {
val = (val === undefined || val === null) ? '' : val.toString();
return val.trim();
}
bins() {
return this.bin;
}
subType() {
return this.subtype;
}
}
export default DiscreteMeasure;