@atlaskit/app-provider/dist/cjs/theme-provider/index.js

A top level provider for the Design System.

/* index.tsx generated by @compiled/babel-plugin v3.0.2 */
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.ThemeProvider = ThemeProvider;
require("./index.compiled.css");
var _runtime = require("@compiled/react/runtime");
var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _react = _interopRequireWildcard(require("react"));
var _bindEventListener = require("bind-event-listener");
var _fg = require("@atlaskit/platform-feature-flags/fg");
var _constants = require("@atlaskit/tokens/constants");
var _customThemeOverrides = require("@atlaskit/tokens/custom-theme-overrides");
var _getThemeHtmlAttrs = require("@atlaskit/tokens/get-theme-html-attrs");
var _setGlobalTheme = require("@atlaskit/tokens/set-global-theme");
var _useIsAppProviderThemingEnabled = require("../use-is-app-provider-theming-enabled");
var _useIsInsideAppProvider = require("../use-is-inside-app-provider");
var _colorMode = require("./context/color-mode");
var _insideThemeProvider = require("./context/inside-theme-provider");
var _setColorModeContext = require("./context/set-color-mode-context");
var _theme = require("./context/theme");
var _useIsInsideThemeProvider = require("./hooks/use-is-inside-theme-provider");
var _getInlineThemeStyles = require("./utils/get-inline-theme-styles");
var _loadAndMountThemes = require("./utils/load-and-mount-themes");
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, 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) { (0, _defineProperty2.default)(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; }
var defaultThemeSettings = {
  dark: 'dark',
  light: 'light',
  shape: 'shape',
  spacing: 'spacing',
  typography: 'typography'
};
var isMatchMediaAvailable = typeof window !== 'undefined' && 'matchMedia' in window;
var prefersDarkModeMql = isMatchMediaAvailable ? window.matchMedia('(prefers-color-scheme: dark)') : undefined;

// TODO: currently 'auto' color mode will always return 'light' in SSR.
// Additional work required: https://product-fabric.atlassian.net/browse/DSP-9781
function getReconciledColorMode(colorMode) {
  if (colorMode === 'auto') {
    return prefersDarkModeMql !== null && prefersDarkModeMql !== void 0 && prefersDarkModeMql.matches ? 'dark' : 'light';
  }
  return colorMode;
}
var contentStyles = {
  body: "_1e0c1bgi"
};
/**
 * __Theme provider__
 *
 * Provides global theming configuration.
 */
function ThemeProvider(_ref) {
  var children = _ref.children,
    _ref$defaultColorMode = _ref.defaultColorMode,
    defaultColorMode = _ref$defaultColorMode === void 0 ? 'auto' : _ref$defaultColorMode,
    defaultTheme = _ref.defaultTheme;
  var _useState = (0, _react.useState)(defaultColorMode),
    _useState2 = (0, _slicedToArray2.default)(_useState, 2),
    chosenColorMode = _useState2[0],
    setChosenColorMode = _useState2[1];
  var _useState3 = (0, _react.useState)(getReconciledColorMode(defaultColorMode)),
    _useState4 = (0, _slicedToArray2.default)(_useState3, 2),
    reconciledColorMode = _useState4[0],
    setReconciledColorMode = _useState4[1];
  var isInsideAppProvider = (0, _useIsInsideAppProvider.useIsInsideAppProvider)();
  var isAppProviderThemingEnabled = (0, _useIsAppProviderThemingEnabled.useIsAppProviderThemingEnabled)();
  var isInsideThemeProvider = (0, _useIsInsideThemeProvider.useIsInsideThemeProvider)();
  /**
   * A top-level ThemeProvider is detected by being the first ThemeProvider inside an AppProvider.
   *
   * This will not use sub-tree theming but instead set the global theme state using the
   * `@atlaskit/tokens` APIs, as it's required for styling root `html` and `body` elements
   * for compatibility with `@atlaskit/css-reset`.
   *
   * In the future we could consider moving away from DOM mutations and require AppProvider to wrap
   * `html` in order to apply global theme state, which would allow a more consistent approach to
   * theme loading.
   */
  var isRootThemeProvider = isInsideAppProvider && !isInsideThemeProvider && isAppProviderThemingEnabled;

  /**
   * Each provider owns its own override stylesheet, so nested providers don't overwrite or remove
   * each other's overrides. `useId` is stable between the server render and hydration.
   *
   * Subtree providers also scope their override selector to their own element. Otherwise every
   * subtree using the same custom theme would match every provider's overrides, and the last
   * stylesheet in the document would win. The root provider targets `html`, which subtrees
   * inherit from.
   */
  var customThemeOverridesStyleId = (0, _react.useId)();
  var _getThemeAndOverrides = (0, _customThemeOverrides.getThemeAndOverrides)(defaultTheme, isRootThemeProvider ? undefined : customThemeOverridesStyleId),
    normalizedDefaultTheme = _getThemeAndOverrides.theme,
    inlineStyles = _getThemeAndOverrides.inlineStyles;
  var _useState5 = (0, _react.useState)(function () {
      return _objectSpread(_objectSpread({}, defaultThemeSettings), normalizedDefaultTheme);
    }),
    _useState6 = (0, _slicedToArray2.default)(_useState5, 2),
    theme = _useState6[0],
    setTheme = _useState6[1];
  var _useState7 = (0, _react.useState)(false),
    _useState8 = (0, _slicedToArray2.default)(_useState7, 2),
    hasHoistedInlineThemeStyles = _useState8[0],
    setHasHoistedInlineThemeStyles = _useState8[1];
  var setColorMode = (0, _react.useCallback)(function (colorMode) {
    setChosenColorMode(colorMode);
    setReconciledColorMode(getReconciledColorMode(colorMode));
  }, []);
  var setPartialTheme = (0, _react.useCallback)(function (nextTheme) {
    setTheme(function (theme) {
      return _objectSpread(_objectSpread({}, theme), nextTheme);
    });
  }, []);
  var lastSetGlobalThemePromiseRef = (0, _react.useRef)(null);

  /**
   * Custom theme overrides apply regardless of `platform-static-theme-loading`: that gate only
   * controls how the theme stylesheets themselves are loaded.
   */
  var inlineThemeStylesOverrides = inlineStyles;
  (0, _react.useLayoutEffect)(function () {
    return function () {
      var _document$head$queryS;
      (_document$head$queryS = document.head.querySelector("style[data-theme-overrides=\"".concat(customThemeOverridesStyleId, "\"]"))) === null || _document$head$queryS === void 0 || _document$head$queryS.remove();
    };
  }, [customThemeOverridesStyleId]);
  (0, _react.useLayoutEffect)(function () {
    var isStaticThemeLoadingEnabled = (0, _fg.fg)('platform-static-theme-loading');
    if (isStaticThemeLoadingEnabled && !hasHoistedInlineThemeStyles) {
      (0, _getInlineThemeStyles.getInlineThemeStyles)(theme, chosenColorMode).forEach(function (_ref2) {
        var id = _ref2.id,
          css = _ref2.css;
        if (document.head.querySelector("style[data-theme=\"".concat(id, "\"]"))) {
          return;
        }
        var style = document.createElement('style');
        style.dataset.theme = id;
        style.textContent = css;
        document.head.appendChild(style);
      });
    }
    var existingOverrideStyle = document.head.querySelector("style[data-theme-overrides=\"".concat(customThemeOverridesStyleId, "\"]"));
    if (inlineThemeStylesOverrides) {
      if (existingOverrideStyle) {
        existingOverrideStyle.textContent = inlineThemeStylesOverrides;
      } else {
        var style = document.createElement('style');
        style.dataset.themeOverrides = customThemeOverridesStyleId;
        style.textContent = inlineThemeStylesOverrides;
        document.head.appendChild(style);
      }
    } else {
      existingOverrideStyle === null || existingOverrideStyle === void 0 || existingOverrideStyle.remove();
    }

    // Only re-render to drop the inline styles when there are any to drop.
    if (!hasHoistedInlineThemeStyles && (isStaticThemeLoadingEnabled || inlineThemeStylesOverrides)) {
      setHasHoistedInlineThemeStyles(true);
    }
  }, [chosenColorMode, customThemeOverridesStyleId, hasHoistedInlineThemeStyles, inlineThemeStylesOverrides, theme]);
  (0, _react.useEffect)(function () {
    if (isRootThemeProvider) {
      /**
       * We need to wait for any previous `setGlobalTheme` calls to finish before calling it again.
       * This is to prevent race conditions as `setGlobalTheme` is async and mutates the DOM (e.g. sets the
       * `data-color-mode` attribute on the root element).
       *
       * Since we can't safely abort the `setGlobalTheme` execution, we need to wait for it to properly finish before
       * applying the new theme.
       *
       * Without this, we can end up in the following scenario:
       * 1. app loads with the default 'light' theme, kicking off `setGlobalTheme`
       * 2. app switches to 'dark' theme after retrieving value persisted in local storage, calling `setGlobalTheme` again
       * 3. `setGlobalTheme` function execution for `dark` finishes before the initial `light` execution
       * 4. `setGlobalTheme` function execution for `light` then finishes, resulting in the 'light' theme being applied.
       */
      var cleanupLastFnCall = /*#__PURE__*/function () {
        var _ref3 = (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee() {
          var unbindFn;
          return _regenerator.default.wrap(function (_context) {
            while (1) switch (_context.prev = _context.next) {
              case 0:
                if (!lastSetGlobalThemePromiseRef.current) {
                  _context.next = 2;
                  break;
                }
                _context.next = 1;
                return lastSetGlobalThemePromiseRef.current;
              case 1:
                unbindFn = _context.sent;
                unbindFn();
                lastSetGlobalThemePromiseRef.current = null;
              case 2:
              case "end":
                return _context.stop();
            }
          }, _callee);
        }));
        return function cleanupLastFnCall() {
          return _ref3.apply(this, arguments);
        };
      }();
      var safelySetGlobalTheme = /*#__PURE__*/function () {
        var _ref4 = (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee2() {
          var promise;
          return _regenerator.default.wrap(function (_context2) {
            while (1) switch (_context2.prev = _context2.next) {
              case 0:
                _context2.next = 1;
                return cleanupLastFnCall();
              case 1:
                promise = (0, _setGlobalTheme.setGlobalTheme)(_objectSpread(_objectSpread({}, theme), {}, {
                  colorMode: reconciledColorMode
                }));
                lastSetGlobalThemePromiseRef.current = promise;
              case 2:
              case "end":
                return _context2.stop();
            }
          }, _callee2);
        }));
        return function safelySetGlobalTheme() {
          return _ref4.apply(this, arguments);
        };
      }();
      safelySetGlobalTheme();
      return function cleanup() {
        cleanupLastFnCall();
      };
    }
    // For other theme providers (whether outside AppProvider or nested inside a ThemeProvider),
    // we treat them as sub-tree themes that do not load global theme state.
    (0, _loadAndMountThemes.loadAndMountThemes)(theme);
  }, [isInsideAppProvider, isInsideThemeProvider, isRootThemeProvider, reconciledColorMode, theme]);
  (0, _react.useEffect)(function () {
    if (!prefersDarkModeMql) {
      return;
    }
    var unbindListener = (0, _bindEventListener.bind)(prefersDarkModeMql, {
      type: 'change',
      listener: function listener(event) {
        if (chosenColorMode === 'auto') {
          setReconciledColorMode(event.matches ? 'dark' : 'light');
        }
      }
    });
    return unbindListener;
  }, [chosenColorMode]);
  var attrs = _objectSpread(_objectSpread({}, (0, _getThemeHtmlAttrs.getThemeHtmlAttrs)(_objectSpread(_objectSpread({}, theme), {}, {
    colorMode: reconciledColorMode
  }))), {}, (0, _defineProperty2.default)({}, _constants.SUBTREE_THEME_ATTRIBUTE, true), inlineThemeStylesOverrides ? (0, _defineProperty2.default)({}, _customThemeOverrides.CUSTOM_THEME_SCOPE_ATTRIBUTE, customThemeOverridesStyleId) : {});
  var inlineThemeStyles = (0, _fg.fg)('platform-static-theme-loading') && !hasHoistedInlineThemeStyles ? (0, _getInlineThemeStyles.getInlineThemeStyles)(theme, chosenColorMode) : [];
  return /*#__PURE__*/_react.default.createElement(_insideThemeProvider.InsideThemeProviderContext.Provider, {
    value: true
  }, /*#__PURE__*/_react.default.createElement(_colorMode.ColorModeContext.Provider, {
    value: reconciledColorMode
  }, /*#__PURE__*/_react.default.createElement(_setColorModeContext.SetColorModeContext.Provider, {
    value: setColorMode
  }, /*#__PURE__*/_react.default.createElement(_theme.ThemeContext.Provider, {
    value: theme
  }, /*#__PURE__*/_react.default.createElement(_theme.SetThemeContext.Provider, {
    value: setPartialTheme
  }, !isRootThemeProvider ? /*#__PURE__*/_react.default.createElement("div", (0, _extends2.default)({}, attrs, {
    className: (0, _runtime.ax)([contentStyles.body])
  }), !hasHoistedInlineThemeStyles && inlineThemeStylesOverrides &&
  /*#__PURE__*/
  // eslint-disable-next-line @atlaskit/ui-styling-standard/no-global-styles
  _react.default.createElement("style", {
    "data-theme-overrides": customThemeOverridesStyleId
  }, inlineThemeStylesOverrides), inlineThemeStyles.map(function (_ref6) {
    var id = _ref6.id,
      css = _ref6.css;
    return (
      /*#__PURE__*/
      // eslint-disable-next-line @atlaskit/ui-styling-standard/no-global-styles
      _react.default.createElement("style", {
        "data-theme": id,
        key: id
      }, css)
    );
  }), children) : /*#__PURE__*/_react.default.createElement(_react.default.Fragment, null, !hasHoistedInlineThemeStyles && inlineThemeStylesOverrides &&
  /*#__PURE__*/
  // eslint-disable-next-line @atlaskit/ui-styling-standard/no-global-styles
  _react.default.createElement("style", {
    "data-theme-overrides": customThemeOverridesStyleId
  }, inlineThemeStylesOverrides), inlineThemeStyles.map(function (_ref7) {
    var id = _ref7.id,
      css = _ref7.css;
    return (
      /*#__PURE__*/
      // eslint-disable-next-line @atlaskit/ui-styling-standard/no-global-styles
      _react.default.createElement("style", {
        "data-theme": id,
        key: id
      }, css)
    );
  }), children))))));
}