@dnb/eufemia/components/slider/SliderHelpers.js

DNB Eufemia Design System UI Library

import { formatCurrency, formatNumber } from "../number-format/NumberUtils.js";
import { clamp } from "../../shared/helpers/clamp.js";
export const percentToValue = (percent, min, max, isReverse) => {
  let num = (max - min) * percent / 100 + min;
  if (isReverse) {
    num = max + min - num;
  }
  return num;
};
export const getOffset = node => {
  const {
    scrollY,
    scrollX
  } = typeof window !== 'undefined' ? window : {
    scrollY: 0,
    scrollX: 0
  };
  const {
    left,
    top
  } = node.getBoundingClientRect();
  return {
    top: top + scrollY,
    left: left + scrollX
  };
};
export const getMousePosition = event => {
  if (event.changedTouches && event.changedTouches[0]) {
    return {
      x: event.changedTouches[0].pageX,
      y: event.changedTouches[0].pageY
    };
  }
  return {
    x: event.pageX,
    y: event.pageY
  };
};
export const calculatePercent = (node, event, isVertical) => {
  const {
    width,
    height
  } = node.getBoundingClientRect();
  const {
    top,
    left
  } = getOffset(node);
  const {
    x,
    y
  } = getMousePosition(event);
  const value = isVertical ? y - top : x - left;
  const onePercent = (isVertical ? height : width) / 100;
  return Math.abs(clamp(value / onePercent));
};
export { clamp };
export const roundValue = (value, {
  step,
  min,
  max
}) => {
  if (step > 0) {
    if (value >= max) {
      return max;
    }
    if (value <= min) {
      return min;
    }
    return Math.round(value / step) * step;
  }
  return parseFloat(parseFloat(String(value)).toFixed(3));
};
export const getUpdatedValues = (value, index, newValue) => {
  return value.map((val, i) => {
    if (i === index) {
      val = newValue;
    }
    return val;
  });
};
export const closestIndex = (goal, array) => {
  const res = [...array].sort((a, b) => Math.abs(goal - a) - Math.abs(goal - b))[0];
  return array.findIndex(num => num === res);
};
export const getFormattedNumber = (value, numberFormat) => {
  if (numberFormat) {
    if (typeof numberFormat === 'function') {
      const number = numberFormat(value);
      return {
        number,
        aria: number
      };
    }
    const options = {
      ...(numberFormat || {}),
      returnAria: true
    };
    const formatter = options.currency === true || typeof options.currency === 'string' ? formatCurrency : formatNumber;
    return formatter(value, options);
  }
  return {
    aria: null,
    number: null
  };
};
//# sourceMappingURL=SliderHelpers.js.map