@dnb/eufemia/components/stat/Trend.js

DNB Eufemia Design System UI Library

import _extends from "@babel/runtime-corejs3/helpers/esm/extends";
import React from 'react';
import classnames from 'classnames';
import { convertJsxToString, warn } from "../../shared/component-helper.js";
import StatValueContext from "./StatValueContext.js";
import { TextInternal as Text } from "./Text.js";
const trendContextValue = {
  useBasisSize: true,
  defaultMainWeight: null
};
function Trend(props) {
  const {
    value,
    children,
    id = null,
    element: Element = 'span',
    className = null,
    style = null,
    srLabel = null,
    tone = null,
    skeleton = null,
    ...rest
  } = props;
  const rawValue = typeof value !== 'undefined' ? value : getValueFromChildren(children);
  const hasCustomChildren = typeof value === 'undefined' && children !== null && children !== undefined && typeof children !== 'string' && typeof children !== 'number';
  const {
    tone: resolvedTone,
    sign,
    displayValue
  } = resolveTrendValue(rawValue);
  const childText = hasCustomChildren ? convertJsxToString(children) : '';
  const visibleText = childText || `${sign || ''}${displayValue}`;
  const usedTone = tone || resolvedTone;
  const srText = srLabel ? `${convertJsxToString(srLabel)}${' '}${visibleText}` : visibleText;
  return React.createElement(Text, _extends({}, rest, {
    id: id,
    element: Element,
    className: classnames(`dnb-stat dnb-stat__trend dnb-stat__trend--${usedTone}`, className),
    style: style,
    skeleton: skeleton,
    textClassName: false
  }), React.createElement(StatValueContext.Provider, {
    value: trendContextValue
  }, React.createElement("span", {
    className: "dnb-stat__trend-content",
    "aria-hidden": true
  }, !hasCustomChildren && sign ? React.createElement("span", {
    className: "dnb-stat__trend-sign"
  }, sign) : null, React.createElement("span", {
    className: "dnb-stat__trend-value"
  }, hasCustomChildren ? children : displayValue))), React.createElement("span", {
    className: "dnb-sr-only",
    "data-text": srText
  }));
}
Trend._supportsSpacingProps = true;
function getValueFromChildren(children) {
  if (typeof children === 'string' || typeof children === 'number') {
    return children;
  }
  if (React.isValidElement(children)) {
    const childProps = children.props;
    if (typeof (childProps === null || childProps === void 0 ? void 0 : childProps.value) === 'number' || typeof (childProps === null || childProps === void 0 ? void 0 : childProps.value) === 'string') {
      return childProps.value;
    }
    if (typeof (childProps === null || childProps === void 0 ? void 0 : childProps.children) === 'string' || typeof (childProps === null || childProps === void 0 ? void 0 : childProps.children) === 'number') {
      return childProps.children;
    }
  }
  const text = convertJsxToString(children);
  if (!text) {
    warn('Stat.Trend could not resolve a value from the provided children. Falling back to "0".');
  }
  return text || '0';
}
function resolveTrendValue(value) {
  if (typeof value === 'number') {
    if (!Number.isFinite(value)) {
      return {
        tone: 'neutral',
        sign: null,
        displayValue: '\u2013'
      };
    }
    if (value > 0) {
      return {
        tone: 'positive',
        sign: '+',
        displayValue: String(Math.abs(value))
      };
    }
    if (value < 0) {
      return {
        tone: 'negative',
        sign: '-',
        displayValue: String(Math.abs(value))
      };
    }
    return {
      tone: 'neutral',
      sign: null,
      displayValue: '0'
    };
  }
  const normalized = String(value || '');
  const match = normalized.match(/^([+\-−])\s?(.*)$/);
  if (!match) {
    return {
      tone: 'neutral',
      sign: null,
      displayValue: normalized || '0'
    };
  }
  if (!match[2]) {
    return {
      tone: 'neutral',
      sign: null,
      displayValue: '0'
    };
  }
  if (match[1] === '+') {
    return {
      tone: 'positive',
      sign: '+',
      displayValue: match[2]
    };
  }
  return {
    tone: 'negative',
    sign: '-',
    displayValue: match[2]
  };
}
export default Trend;
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