@elastic/eui/lib/services/theme/provider.js

Elastic UI Component Library

"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.EuiThemeProvider = void 0;
var _react = require("@emotion/react");
var _react2 = _interopRequireWildcard(require("react"));
var _isEqual = _interopRequireDefault(require("lodash/isEqual"));
var _emotion = require("../emotion");
var _css2 = require("../emotion/css");
var _current_breakpoint = require("../breakpoint/current_breakpoint");
var _context = require("./context");
var _emotion2 = require("./emotion");
var _style_memoization = require("./style_memoization");
var _high_contrast_overrides = require("./high_contrast_overrides");
var _utils = require("./utils");
var _color = require("../color");
var _excluded = ["cloneElement", "className"];
var _templateObject;
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], t.indexOf(o) >= 0 || {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; }
function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (e.indexOf(n) >= 0) continue; t[n] = r[n]; } return t; }
function _taggedTemplateLiteral(e, t) { return t || (t = e.slice(0)), Object.freeze(Object.defineProperties(e, { raw: { value: Object.freeze(t) } })); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
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 _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; } /*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */
var EuiThemeProvider = exports.EuiThemeProvider = function EuiThemeProvider(_ref) {
  var _system = _ref.theme,
    _colorMode = _ref.colorMode,
    _highContrastMode = _ref.highContrastMode,
    _modifications = _ref.modify,
    children = _ref.children,
    wrapperProps = _ref.wrapperProps;
  var _useContext = (0, _react2.useContext)(_context.EuiNestedThemeContext),
    isGlobalTheme = _useContext.isGlobalTheme,
    bodyColor = _useContext.bodyColor,
    globalCSSVariables = _useContext.globalCSSVariables,
    setGlobalCSSVariables = _useContext.setGlobalCSSVariables;
  var parentSystem = (0, _react2.useContext)(_context.EuiSystemContext);
  var parentModifications = (0, _react2.useContext)(_context.EuiModificationsContext);
  var parentColorMode = (0, _react2.useContext)(_context.EuiColorModeContext);
  var parentHighContrastMode = (0, _react2.useContext)(_context.EuiHighContrastModeContext);
  var parentTheme = (0, _react2.useContext)(_context.EuiThemeContext);

  // If the user has an OS-wide high contrast theme applied, it will ignore EUI's
  // colors and light/dark mode. We should respect the user's system setting
  var isForced = parentHighContrastMode === 'forced';

  // To reduce the number of window resize listeners, only render a
  // CurrentEuiBreakpointProvider for the top level parent theme, or for
  // nested themes only if modified breakpoint overrides are passed
  var EuiConditionalBreakpointProvider = (0, _react2.useMemo)(function () {
    return isGlobalTheme || _modifications !== null && _modifications !== void 0 && _modifications.breakpoint ? _current_breakpoint.CurrentEuiBreakpointProvider : _react2.Fragment;
  }, [isGlobalTheme, _modifications]);
  var _useState = (0, _react2.useState)(_system || parentSystem),
    _useState2 = _slicedToArray(_useState, 2),
    system = _useState2[0],
    setSystem = _useState2[1];
  var prevSystemKey = (0, _react2.useRef)(system.key);
  var _useState3 = (0, _react2.useState)((0, _utils.mergeDeep)(parentModifications, _modifications)),
    _useState4 = _slicedToArray(_useState3, 2),
    modifications = _useState4[0],
    setModifications = _useState4[1];
  var prevModifications = (0, _react2.useRef)(modifications);
  var _useState5 = (0, _react2.useState)((0, _utils.getColorMode)(_colorMode, parentColorMode, isForced)),
    _useState6 = _slicedToArray(_useState5, 2),
    colorMode = _useState6[0],
    setColorMode = _useState6[1];
  var prevColorMode = (0, _react2.useRef)(colorMode);
  var highContrastMode = (0, _react2.useMemo)(function () {
    if (isForced) return 'forced'; // System forced high contrast mode will always supercede application settings
    if (_highContrastMode === true) return 'preferred'; // Convert the boolean prop to our internal enum
    if (_highContrastMode === false) return false; // Allow `false` prop to override user/system preference
    return parentHighContrastMode; // Fall back to the parent/system setting
  }, [_highContrastMode, parentHighContrastMode, isForced]);
  var prevHighContrastMode = (0, _react2.useRef)(highContrastMode);
  var modificationsWithHighContrast = (0, _high_contrast_overrides.useHighContrastModifications)({
    highContrastMode: highContrastMode,
    colorMode: colorMode,
    system: system,
    modifications: modifications
  });
  var isParentTheme = (0, _react2.useRef)(isGlobalTheme ? prevSystemKey.current === _context.DEFAULTS.system.key && colorMode === _context.DEFAULTS.colorMode && highContrastMode === _context.DEFAULTS.highContrastMode && !_modifications : prevSystemKey.current === parentSystem.key && colorMode === parentColorMode && highContrastMode === parentHighContrastMode && (0, _isEqual.default)(parentModifications, modifications));
  var updateVisColorStore = (0, _react2.useCallback)(function (theme, isGlobalTheme) {
    if (isGlobalTheme) {
      _color.EUI_VIS_COLOR_STORE.setVisColors(theme.colors.vis);
    }
  }, []);
  var getInitialTheme = function getInitialTheme() {
    var theme = (0, _utils.getComputed)(system, (0, _utils.buildTheme)(modificationsWithHighContrast, "_".concat(system.key)), colorMode, highContrastMode);
    setTimeout(function () {
      updateVisColorStore(theme, isGlobalTheme);
    });
    return theme;
  };
  var _useState7 = (0, _react2.useState)(isParentTheme.current && Object.keys(parentTheme).length ? _objectSpread({}, parentTheme) // Intentionally create a new object to break referential equality
    : getInitialTheme()),
    _useState8 = _slicedToArray(_useState7, 2),
    theme = _useState8[0],
    setTheme = _useState8[1];
  (0, _react2.useEffect)(function () {
    var newSystem = _system || parentSystem;
    if (prevSystemKey.current !== newSystem.key) {
      setSystem(newSystem);
      prevSystemKey.current = newSystem.key;
      isParentTheme.current = false;
    }
  }, [_system, parentSystem, theme, updateVisColorStore]);
  (0, _react2.useEffect)(function () {
    updateVisColorStore(theme, isGlobalTheme);
  }, [theme, colorMode, isGlobalTheme, updateVisColorStore]);
  (0, _react2.useEffect)(function () {
    var newModifications = (0, _utils.mergeDeep)(parentModifications, _modifications);
    if (!(0, _isEqual.default)(prevModifications.current, newModifications)) {
      setModifications(newModifications);
      prevModifications.current = newModifications;
      isParentTheme.current = false;
    }
  }, [_modifications, parentModifications]);
  (0, _react2.useEffect)(function () {
    var newColorMode = (0, _utils.getColorMode)(_colorMode, parentColorMode, isForced);
    if (!(0, _isEqual.default)(newColorMode, prevColorMode.current)) {
      setColorMode(newColorMode);
      prevColorMode.current = newColorMode;
      isParentTheme.current = false;
    }
  }, [_colorMode, parentColorMode, isForced]);
  (0, _react2.useEffect)(function () {
    if (prevHighContrastMode.current !== highContrastMode) {
      isParentTheme.current = false;
    }
  }, [highContrastMode]);
  (0, _react2.useEffect)(function () {
    if (!isParentTheme.current) {
      /* Enables recomputation of component colors when flags are overridden on the provider
      by adding the respective key to modifications to trigger a recomputation. */
      // NOTE: Keeping this as placeholder for potential future usage during Borealis changes
      // TODO: remove once visual refresh is completed and flags are obsolete
      var flagsToRecompute = [];
      var keys = {};
      var forceRecomputeComponents = flagsToRecompute.some(function (item) {
        var _modifications$flags, _modifications$compon;
        if (!item) return false;
        if (Object.keys((_modifications$flags = modifications.flags) !== null && _modifications$flags !== void 0 ? _modifications$flags : {}).includes(item.flag) && !Object.keys((_modifications$compon = modifications.components) !== null && _modifications$compon !== void 0 ? _modifications$compon : {}).includes(item.componentKey)) {
          keys[item.componentKey] = {
            LIGHT: {},
            DARK: {}
          };
          return true;
        }
        return false;
      });
      var componentModifications = forceRecomputeComponents ? {
        components: keys
      } : {};

      // force recomputing of color & component tokens based on flag changes
      var enhancedModifications = _objectSpread(_objectSpread({}, modificationsWithHighContrast), componentModifications);
      var rebuiltTheme = (0, _utils.getComputed)(system, (0, _utils.buildTheme)(enhancedModifications, "_".concat(system.key)), colorMode, highContrastMode);
      setTheme(rebuiltTheme);
    }
  }, [colorMode, highContrastMode, system, modificationsWithHighContrast, modifications]);
  var _useState9 = (0, _react2.useState)(),
    _useState10 = _slicedToArray(_useState9, 2),
    themeCSSVariables = _useState10[0],
    _setThemeCSSVariables = _useState10[1];
  var setThemeCSSVariables = (0, _react2.useCallback)(function (variables) {
    return _setThemeCSSVariables(function (previous) {
      var merged = _objectSpread(_objectSpread({}, previous), variables);
      Object.keys(merged).forEach(function (key) {
        if (merged[key] === null) {
          delete merged[key];
        }
      });
      return merged;
    });
  }, []);
  var nestedThemeContext = (0, _react2.useMemo)(function () {
    return {
      isGlobalTheme: false,
      // The theme that determines the global body styles
      bodyColor: isGlobalTheme ? theme.colors.textParagraph : bodyColor,
      hasDifferentColorFromGlobalTheme: isGlobalTheme ? false : bodyColor !== theme.colors.textParagraph,
      colorClassName: (0, _css2.css)(_templateObject || (_templateObject = _taggedTemplateLiteral(["\n        label: euiColorMode-", ";\n        color: ", ";\n      "])), _colorMode || colorMode, theme.colors.textParagraph),
      setGlobalCSSVariables: isGlobalTheme ? setThemeCSSVariables : setGlobalCSSVariables,
      globalCSSVariables: isGlobalTheme ? themeCSSVariables : globalCSSVariables,
      setNearestThemeCSSVariables: setThemeCSSVariables,
      themeCSSVariables: themeCSSVariables
    };
  }, [theme, isGlobalTheme, bodyColor, _colorMode, colorMode, setGlobalCSSVariables, globalCSSVariables, setThemeCSSVariables, themeCSSVariables]);
  var renderedChildren = (0, _react2.useMemo)(function () {
    if (isGlobalTheme) {
      return children; // No wrapper
    }
    var _ref2 = wrapperProps || {},
      cloneElement = _ref2.cloneElement,
      className = _ref2.className,
      rest = _objectWithoutProperties(_ref2, _excluded);
    var props = _objectSpread(_objectSpread({}, rest), {}, {
      className: (0, _css2.cx)(className, nestedThemeContext.colorClassName)
    });
    // Condition avoids rendering an empty Emotion selector if no
    // theme-specific CSS variables have been set by child components
    if (themeCSSVariables) {
      props.css = _objectSpread({
        label: 'euiCSSVariables'
      }, themeCSSVariables);
    }
    if (cloneElement) {
      return (0, _emotion.cloneElementWithCss)(children, _objectSpread(_objectSpread({}, props), {}, {
        className: (0, _css2.cx)(children.props.className, props.className)
      }));
    } else {
      return (0, _react.jsx)("span", _extends({}, props, {
        className: (0, _css2.cx)('euiThemeProvider', props.className)
      }), children);
    }
  }, [isGlobalTheme, themeCSSVariables, nestedThemeContext, wrapperProps, children]);
  return (0, _react.jsx)(_react2.default.Fragment, null, isGlobalTheme && themeCSSVariables && (0, _react.jsx)(_react.Global, {
    styles: /*#__PURE__*/(0, _react.css)({
      ':root': themeCSSVariables
    }, ";label:EuiThemeProvider;")
  }), (0, _react.jsx)(_context.EuiColorModeContext.Provider, {
    value: colorMode
  }, (0, _react.jsx)(_context.EuiHighContrastModeContext.Provider, {
    value: highContrastMode
  }, (0, _react.jsx)(_context.EuiSystemContext.Provider, {
    value: system
  }, (0, _react.jsx)(_context.EuiModificationsContext.Provider, {
    value: modifications
  }, (0, _react.jsx)(_context.EuiThemeContext.Provider, {
    value: theme
  }, (0, _react.jsx)(_context.EuiNestedThemeContext.Provider, {
    value: nestedThemeContext
  }, (0, _react.jsx)(_style_memoization.EuiThemeMemoizedStylesProvider, null, (0, _react.jsx)(_emotion2.EuiEmotionThemeProvider, null, (0, _react.jsx)(EuiConditionalBreakpointProvider, null, renderedChildren))))))))));
};