filter.js

  1. import { curry, filter as _filter } from "ramda"
  3. /**
  4.  * Filter dataframe rows by using a filtering function.
  5.  *
  6.  * Accepts a test function that determines which rows of the supplied
  7.  * dataframe are returned.
  8.  *
  9.  * @func
  10.  * @memberOf Z
  11.  * @category Manipulation
  12.  * @param {Function} func A filtering function
  13.  * @param {df} dataframe Zebras dataframe to filter
  14.  * @return {df} Zebras dataframe
  15.  * @example
  16.  *
  17.  * const df = [{"label": "A", "value": 2}, {"label": "B", "value": 10}, {"label": "C", "value": 30}]
  18.  * Z.filter(r => r.value >= 10, df)
  19.  * // [{"label": "B", "value": 10}, {"label": "C", "value": 30}]
  20.  */
  21. const filter = curry((func, df) => _filter(func, df))
  23. export default filter