primereact/accordion/accordion.esm.js

PrimeReact is an open source UI library for React featuring a rich set of 90+ components, a theme designer, various theme alternatives such as Material, Bootstrap, Tailwind, premium templates and professional support. In addition, it integrates with Prime

import * as React from 'react';
import { ariaLabel } from 'primereact/api';
import { CSSTransition } from 'primereact/csstransition';
import { useMountEffect } from 'primereact/hooks';
import { ObjectUtils, UniqueComponentId, classNames, IconUtils } from 'primereact/utils';

function _extends() {
  _extends = Object.assign ? Object.assign.bind() : function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];
      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }
    return target;
  };
  return _extends.apply(this, arguments);
}

function _typeof(obj) {
  "@babel/helpers - typeof";

  return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
  }, _typeof(obj);
}

function _toPrimitive(input, hint) {
  if (_typeof(input) !== "object" || input === null) return input;
  var prim = input[Symbol.toPrimitive];
  if (prim !== undefined) {
    var res = prim.call(input, hint || "default");
    if (_typeof(res) !== "object") return res;
    throw new TypeError("@@toPrimitive must return a primitive value.");
  }
  return (hint === "string" ? String : Number)(input);
}

function _toPropertyKey(arg) {
  var key = _toPrimitive(arg, "string");
  return _typeof(key) === "symbol" ? key : String(key);
}

function _defineProperty(obj, key, value) {
  key = _toPropertyKey(key);
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }
  return obj;
}

function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;
  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
  return arr2;
}

function _arrayWithoutHoles(arr) {
  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
}

function _iterableToArray(iter) {
  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
}

function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}

function _nonIterableSpread() {
  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}

function _toConsumableArray(arr) {
  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
}

function _arrayWithHoles(arr) {
  if (Array.isArray(arr)) return arr;
}

function _iterableToArrayLimit(arr, i) {
  var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"];
  if (null != _i) {
    var _s,
      _e,
      _x,
      _r,
      _arr = [],
      _n = !0,
      _d = !1;
    try {
      if (_x = (_i = _i.call(arr)).next, 0 === i) {
        if (Object(_i) !== _i) return;
        _n = !1;
      } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0);
    } catch (err) {
      _d = !0, _e = err;
    } finally {
      try {
        if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return;
      } finally {
        if (_d) throw _e;
      }
    }
    return _arr;
  }
}

function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}

function _slicedToArray(arr, i) {
  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
}

var AccordionBase = {
  defaultProps: {
    __TYPE: 'Accordion',
    id: null,
    activeIndex: null,
    className: null,
    style: null,
    multiple: false,
    expandIcon: 'pi pi-chevron-right',
    collapseIcon: 'pi pi-chevron-down',
    transitionOptions: null,
    onTabOpen: null,
    onTabClose: null,
    onTabChange: null,
    children: undefined
  },
  getProps: function getProps(props) {
    return ObjectUtils.getMergedProps(props, AccordionBase.defaultProps);
  },
  getOtherProps: function getOtherProps(props) {
    return ObjectUtils.getDiffProps(props, AccordionBase.defaultProps);
  }
};
var AccordionTabBase = {
  defaultProps: {
    __TYPE: 'AccordionTab',
    className: null,
    contentClassName: null,
    contentStyle: null,
    disabled: false,
    header: null,
    headerClassName: null,
    headerStyle: null,
    headerTemplate: null,
    style: null,
    tabIndex: 0,
    children: undefined
  },
  getCProp: function getCProp(tab, name) {
    return ObjectUtils.getComponentProp(tab, name, AccordionTabBase.defaultProps);
  },
  getCProps: function getCProps(tab) {
    return ObjectUtils.getComponentProps(tab, AccordionTabBase.defaultProps);
  },
  getCOtherProps: function getCOtherProps(tab) {
    return ObjectUtils.getComponentDiffProps(tab, AccordionTabBase.defaultProps);
  }
};

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
var AccordionTab = function AccordionTab() {};
var Accordion = /*#__PURE__*/React.forwardRef(function (inProps, ref) {
  var props = AccordionBase.getProps(inProps);
  var _React$useState = React.useState(props.id),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    idState = _React$useState2[0],
    setIdState = _React$useState2[1];
  var _React$useState3 = React.useState(props.activeIndex),
    _React$useState4 = _slicedToArray(_React$useState3, 2),
    activeIndexState = _React$useState4[0],
    setActiveIndexState = _React$useState4[1];
  var elementRef = React.useRef(null);
  var activeIndex = props.onTabChange ? props.activeIndex : activeIndexState;
  var getTabProp = function getTabProp(tab, name) {
    return AccordionTabBase.getCProp(tab, name);
  };
  var onTabHeaderClick = function onTabHeaderClick(event, tab, index) {
    if (!getTabProp(tab, 'disabled')) {
      var selected = isSelected(index);
      var newActiveIndex = null;
      if (props.multiple) {
        var indexes = activeIndex || [];
        newActiveIndex = selected ? indexes.filter(function (i) {
          return i !== index;
        }) : [].concat(_toConsumableArray(indexes), [index]);
      } else {
        newActiveIndex = selected ? null : index;
      }
      var callback = selected ? props.onTabClose : props.onTabOpen;
      callback && callback({
        originalEvent: event,
        index: index
      });
      if (props.onTabChange) {
        props.onTabChange({
          originalEvent: event,
          index: newActiveIndex
        });
      } else {
        setActiveIndexState(newActiveIndex);
      }
    }
    event.preventDefault();
  };
  var isSelected = function isSelected(index) {
    return props.multiple ? activeIndex && activeIndex.some(function (i) {
      return i === index;
    }) : activeIndex === index;
  };
  React.useImperativeHandle(ref, function () {
    return {
      props: props,
      getElement: function getElement() {
        return elementRef.current;
      }
    };
  });
  useMountEffect(function () {
    if (!idState) {
      setIdState(UniqueComponentId());
    }
  });
  if (!idState) {
    return null;
  }
  var createTabHeader = function createTabHeader(tab, selected, index) {
    var style = _objectSpread(_objectSpread({}, getTabProp(tab, 'style') || {}), getTabProp(tab, 'headerStyle') || {});
    var className = classNames('p-accordion-header', {
      'p-highlight': selected,
      'p-disabled': getTabProp(tab, 'disabled')
    }, getTabProp(tab, 'headerClassName'), getTabProp(tab, 'className'));
    var headerId = idState + '_header_' + index;
    var ariaControls = idState + '_content_' + index;
    var tabIndex = getTabProp(tab, 'disabled') ? -1 : getTabProp(tab, 'tabIndex');
    var header = getTabProp(tab, 'headerTemplate') ? ObjectUtils.getJSXElement(getTabProp(tab, 'headerTemplate'), AccordionTabBase.getCProps(tab)) : /*#__PURE__*/React.createElement("span", {
      className: "p-accordion-header-text"
    }, getTabProp(tab, 'header'));
    var icon = IconUtils.getJSXIcon(selected ? props.collapseIcon : props.expandIcon, {
      className: 'p-accordion-toggle-icon'
    }, {
      props: props,
      selected: selected
    });
    var label = selected ? ariaLabel('collapseLabel') : ariaLabel('expandLabel');
    return /*#__PURE__*/React.createElement("div", {
      className: className,
      style: style
    }, /*#__PURE__*/React.createElement("a", {
      href: '#' + ariaControls,
      id: headerId,
      className: "p-accordion-header-link",
      "aria-controls": ariaControls,
      role: "tab",
      "aria-expanded": selected,
      onClick: function onClick(e) {
        return onTabHeaderClick(e, tab, index);
      },
      tabIndex: tabIndex,
      "aria-label": label
    }, icon, header));
  };
  var createTabContent = function createTabContent(tab, selected, index) {
    var style = _objectSpread(_objectSpread({}, getTabProp(tab, 'style') || {}), getTabProp(tab, 'contentStyle') || {});
    var className = classNames('p-toggleable-content', getTabProp(tab, 'contentClassName'), getTabProp(tab, 'className'));
    var contentId = idState + '_content_' + index;
    var ariaLabelledby = idState + '_header_' + index;
    var contentRef = /*#__PURE__*/React.createRef();
    return /*#__PURE__*/React.createElement(CSSTransition, {
      nodeRef: contentRef,
      classNames: "p-toggleable-content",
      timeout: {
        enter: 1000,
        exit: 450
      },
      "in": selected,
      unmountOnExit: true,
      options: props.transitionOptions
    }, /*#__PURE__*/React.createElement("div", {
      ref: contentRef,
      id: contentId,
      className: className,
      style: style,
      role: "region",
      "aria-labelledby": ariaLabelledby
    }, /*#__PURE__*/React.createElement("div", {
      className: "p-accordion-content"
    }, getTabProp(tab, 'children'))));
  };
  var createTab = function createTab(tab, index) {
    if (ObjectUtils.isValidChild(tab, 'AccordionTab')) {
      var key = idState + '_' + index;
      var selected = isSelected(index);
      var _otherProps = AccordionTabBase.getCOtherProps(tab);
      var tabHeader = createTabHeader(tab, selected, index);
      var tabContent = createTabContent(tab, selected, index);
      var tabClassName = classNames('p-accordion-tab', {
        'p-accordion-tab-active': selected
      });
      return /*#__PURE__*/React.createElement("div", _extends({
        key: key,
        className: tabClassName
      }, _otherProps), tabHeader, tabContent);
    }
    return null;
  };
  var createTabs = function createTabs() {
    return React.Children.map(props.children, createTab);
  };
  var otherProps = AccordionBase.getOtherProps(props);
  var className = classNames('p-accordion p-component', props.className);
  var tabs = createTabs();
  return /*#__PURE__*/React.createElement("div", _extends({
    id: idState,
    ref: elementRef,
    className: className,
    style: props.style
  }, otherProps), tabs);
});
AccordionTab.displayName = 'AccordionTab';
Accordion.displayName = 'Accordion';

export { Accordion, AccordionTab };