wix-style-react/dist/es/src/utils/numberFormatters.js

wix-style-react

import uniq from 'lodash/uniq';
import { format } from 'd3-format';
var SI_SYMBOL = ['', 'K', 'M', 'B'];
var formatNumber = format(',');

var formatNumberToPrecision = function formatNumberToPrecision() {
  var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  var precision = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
  return formatNumber(parseFloat(parseFloat(value).toFixed(precision)));
};

var formatToCompactNumber = function formatToCompactNumber() {
  var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  var precision = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
  var tier = Math.min(Math.log10(Math.abs(value)) / 3 | 0, SI_SYMBOL.length - 1);

  if (tier === 0) {
    return value.toFixed().toString();
  }

  var suffix = SI_SYMBOL[tier];
  var scale = Math.pow(10, tier * 3);
  var scaled = value / scale;
  var isRounded = !(scaled % 1);
  return isRounded ? scaled.toFixed() + suffix : scaled.toFixed(precision) + suffix;
};

var formatToPercent = function formatToPercent() {
  var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  var formatedValue = typeof value === 'number' ? formatNumberToPrecision(value, 0) : value;
  return "".concat(formatedValue, "%");
};

var countPercentageFromBase = function countPercentageFromBase(base, chunk, precision) {
  if (chunk === 0 || base === 0) {
    return 0;
  }

  if (precision === undefined) {
    return chunk * 100 / base;
  }

  if (precision < 0 || !(precision === parseInt(precision, 10))) {
    throw new Error('Precision should be integer');
  }

  return Number((chunk * 100 / base).toFixed(precision));
};

var calcPrecision = function calcPrecision(values) {
  var maxPrecision = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 4;
  var precision = 0;

  while (precision < maxPrecision) {
    var compactValues = (values || []).map(function (v) {
      return formatToCompactNumber(v, precision).toLocaleLowerCase();
    });

    if (compactValues.length === uniq(compactValues).length) {
      return precision;
    }

    precision += 1;
  }
};

export { formatNumberToPrecision, formatToCompactNumber, formatToPercent, countPercentageFromBase, calcPrecision };