@fluentui/react
Version:
Reusable React components for building web experiences.
48 lines • 2.05 kB
JavaScript
define(["require", "exports", "@fluentui/theme", "react", "./useTheme", "@fluentui/utilities"], function (require, exports, theme_1, React, useTheme_1, utilities_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.useThemeProviderState = void 0;
var themeToIdMap = new Map();
var getThemeId = function () {
var themes = [];
for (var _i = 0; _i < arguments.length; _i++) {
themes[_i] = arguments[_i];
}
var ids = [];
for (var _a = 0, themes_1 = themes; _a < themes_1.length; _a++) {
var theme = themes_1[_a];
if (theme) {
var id = theme.id || themeToIdMap.get(theme);
if (!id) {
id = (0, utilities_1.getId)('');
themeToIdMap.set(theme, id);
}
ids.push(id);
}
}
return ids.join('-');
};
var useThemeProviderState = function (draftState) {
var userTheme = draftState.theme;
// Pull contextual theme.
var parentTheme = (0, useTheme_1.useTheme)();
// Update the incoming theme with a memoized version of the merged theme.
var theme = (draftState.theme = React.useMemo(function () {
var mergedTheme = (0, theme_1.mergeThemes)(parentTheme, userTheme);
mergedTheme.id = getThemeId(parentTheme, userTheme);
return mergedTheme;
}, [parentTheme, userTheme]));
draftState.customizerContext = React.useMemo(function () { return ({
customizations: {
inCustomizerContext: true,
settings: { theme: theme },
scopedSettings: theme.components || {},
},
}); }, [theme]);
if (draftState.theme.rtl !== parentTheme.rtl) {
draftState.dir = draftState.theme.rtl ? 'rtl' : 'ltr';
}
};
exports.useThemeProviderState = useThemeProviderState;
});
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