@elastic/eui
Version:
Elastic UI Component Library
241 lines (237 loc) • 12.9 kB
JavaScript
import _extends from "@babel/runtime/helpers/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
import _taggedTemplateLiteral from "@babel/runtime/helpers/taggedTemplateLiteral";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
import { css as _css } from "@emotion/react";
var _excluded = ["cloneElement", "className"];
var _templateObject;
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; }
/*
* 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.
*/
import React, { useContext, useEffect, useRef, useMemo, useState, useCallback, Fragment } from 'react';
import { Global } from '@emotion/react';
import isEqual from 'lodash/isEqual';
import { cloneElementWithCss } from '../emotion';
import { css, cx } from '../emotion/css';
import { CurrentEuiBreakpointProvider } from '../breakpoint/current_breakpoint';
import { EuiSystemContext, EuiThemeContext, EuiNestedThemeContext, EuiModificationsContext, EuiColorModeContext, EuiHighContrastModeContext, DEFAULTS } from './context';
import { EuiEmotionThemeProvider } from './emotion';
import { EuiThemeMemoizedStylesProvider } from './style_memoization';
import { useHighContrastModifications } from './high_contrast_overrides';
import { buildTheme, getColorMode, getComputed, mergeDeep } from './utils';
import { EUI_VIS_COLOR_STORE } from '../color';
import { jsx as ___EmotionJSX } from "@emotion/react";
export var 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 = useContext(EuiNestedThemeContext),
isGlobalTheme = _useContext.isGlobalTheme,
bodyColor = _useContext.bodyColor,
globalCSSVariables = _useContext.globalCSSVariables,
setGlobalCSSVariables = _useContext.setGlobalCSSVariables;
var parentSystem = useContext(EuiSystemContext);
var parentModifications = useContext(EuiModificationsContext);
var parentColorMode = useContext(EuiColorModeContext);
var parentHighContrastMode = useContext(EuiHighContrastModeContext);
var parentTheme = useContext(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 = useMemo(function () {
return isGlobalTheme || _modifications !== null && _modifications !== void 0 && _modifications.breakpoint ? CurrentEuiBreakpointProvider : Fragment;
}, [isGlobalTheme, _modifications]);
var _useState = useState(_system || parentSystem),
_useState2 = _slicedToArray(_useState, 2),
system = _useState2[0],
setSystem = _useState2[1];
var prevSystemKey = useRef(system.key);
var _useState3 = useState(mergeDeep(parentModifications, _modifications)),
_useState4 = _slicedToArray(_useState3, 2),
modifications = _useState4[0],
setModifications = _useState4[1];
var prevModifications = useRef(modifications);
var _useState5 = useState(getColorMode(_colorMode, parentColorMode, isForced)),
_useState6 = _slicedToArray(_useState5, 2),
colorMode = _useState6[0],
setColorMode = _useState6[1];
var prevColorMode = useRef(colorMode);
var highContrastMode = 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 = useRef(highContrastMode);
var modificationsWithHighContrast = useHighContrastModifications({
highContrastMode: highContrastMode,
colorMode: colorMode,
system: system,
modifications: modifications
});
var isParentTheme = useRef(isGlobalTheme ? prevSystemKey.current === DEFAULTS.system.key && colorMode === DEFAULTS.colorMode && highContrastMode === DEFAULTS.highContrastMode && !_modifications : prevSystemKey.current === parentSystem.key && colorMode === parentColorMode && highContrastMode === parentHighContrastMode && isEqual(parentModifications, modifications));
var updateVisColorStore = useCallback(function (theme, isGlobalTheme) {
if (isGlobalTheme) {
EUI_VIS_COLOR_STORE.setVisColors(theme.colors.vis);
}
}, []);
var getInitialTheme = function getInitialTheme() {
var theme = getComputed(system, buildTheme(modificationsWithHighContrast, "_".concat(system.key)), colorMode, highContrastMode);
setTimeout(function () {
updateVisColorStore(theme, isGlobalTheme);
});
return theme;
};
var _useState7 = 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];
useEffect(function () {
var newSystem = _system || parentSystem;
if (prevSystemKey.current !== newSystem.key) {
setSystem(newSystem);
prevSystemKey.current = newSystem.key;
isParentTheme.current = false;
}
}, [_system, parentSystem, theme, updateVisColorStore]);
useEffect(function () {
updateVisColorStore(theme, isGlobalTheme);
}, [theme, colorMode, isGlobalTheme, updateVisColorStore]);
useEffect(function () {
var newModifications = mergeDeep(parentModifications, _modifications);
if (!isEqual(prevModifications.current, newModifications)) {
setModifications(newModifications);
prevModifications.current = newModifications;
isParentTheme.current = false;
}
}, [_modifications, parentModifications]);
useEffect(function () {
var newColorMode = getColorMode(_colorMode, parentColorMode, isForced);
if (!isEqual(newColorMode, prevColorMode.current)) {
setColorMode(newColorMode);
prevColorMode.current = newColorMode;
isParentTheme.current = false;
}
}, [_colorMode, parentColorMode, isForced]);
useEffect(function () {
if (prevHighContrastMode.current !== highContrastMode) {
isParentTheme.current = false;
}
}, [highContrastMode]);
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 = getComputed(system, buildTheme(enhancedModifications, "_".concat(system.key)), colorMode, highContrastMode);
setTheme(rebuiltTheme);
}
}, [colorMode, highContrastMode, system, modificationsWithHighContrast, modifications]);
var _useState9 = useState(),
_useState10 = _slicedToArray(_useState9, 2),
themeCSSVariables = _useState10[0],
_setThemeCSSVariables = _useState10[1];
var setThemeCSSVariables = 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 = 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: 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 = 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: 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 cloneElementWithCss(children, _objectSpread(_objectSpread({}, props), {}, {
className: cx(children.props.className, props.className)
}));
} else {
return ___EmotionJSX("span", _extends({}, props, {
className: cx('euiThemeProvider', props.className)
}), children);
}
}, [isGlobalTheme, themeCSSVariables, nestedThemeContext, wrapperProps, children]);
return ___EmotionJSX(React.Fragment, null, isGlobalTheme && themeCSSVariables && ___EmotionJSX(Global, {
styles: /*#__PURE__*/_css({
':root': themeCSSVariables
}, ";label:EuiThemeProvider;")
}), ___EmotionJSX(EuiColorModeContext.Provider, {
value: colorMode
}, ___EmotionJSX(EuiHighContrastModeContext.Provider, {
value: highContrastMode
}, ___EmotionJSX(EuiSystemContext.Provider, {
value: system
}, ___EmotionJSX(EuiModificationsContext.Provider, {
value: modifications
}, ___EmotionJSX(EuiThemeContext.Provider, {
value: theme
}, ___EmotionJSX(EuiNestedThemeContext.Provider, {
value: nestedThemeContext
}, ___EmotionJSX(EuiThemeMemoizedStylesProvider, null, ___EmotionJSX(EuiEmotionThemeProvider, null, ___EmotionJSX(EuiConditionalBreakpointProvider, null, renderedChildren))))))))));
};