58 lines
No EOL
2.4 KiB
JavaScript
58 lines
No EOL
2.4 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
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var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useLayerOrder;
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var React = _interopRequireWildcard(require("react"));
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var _useEnhancedEffect = _interopRequireDefault(require("@mui/utils/useEnhancedEffect"));
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var _useId = _interopRequireDefault(require("@mui/utils/useId"));
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var _GlobalStyles = _interopRequireDefault(require("../GlobalStyles"));
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var _useThemeWithoutDefault = _interopRequireDefault(require("../useThemeWithoutDefault"));
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var _jsxRuntime = require("react/jsx-runtime");
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/**
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* This hook returns a `GlobalStyles` component that sets the CSS layer order (for server-side rendering).
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* Then on client-side, it injects the CSS layer order into the document head to ensure that the layer order is always present first before other Emotion styles.
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*/function useLayerOrder(theme) {
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const upperTheme = (0, _useThemeWithoutDefault.default)();
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const id = (0, _useId.default)() || '';
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const {
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modularCssLayers
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} = theme;
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let layerOrder = 'mui.global, mui.components, mui.theme, mui.custom, mui.sx';
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if (!modularCssLayers || upperTheme !== null) {
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// skip this hook if upper theme exists.
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layerOrder = '';
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} else if (typeof modularCssLayers === 'string') {
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layerOrder = modularCssLayers.replace(/mui(?!\.)/g, layerOrder);
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} else {
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layerOrder = `@layer ${layerOrder};`;
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}
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(0, _useEnhancedEffect.default)(() => {
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const head = document.querySelector('head');
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if (!head) {
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return;
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}
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const firstChild = head.firstChild;
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if (layerOrder) {
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// Only insert if first child doesn't have data-mui-layer-order attribute
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if (firstChild && firstChild.hasAttribute?.('data-mui-layer-order') && firstChild.getAttribute('data-mui-layer-order') === id) {
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return;
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}
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const styleElement = document.createElement('style');
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styleElement.setAttribute('data-mui-layer-order', id);
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styleElement.textContent = layerOrder;
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head.prepend(styleElement);
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} else {
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head.querySelector(`style[data-mui-layer-order="${id}"]`)?.remove();
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}
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}, [layerOrder, id]);
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if (!layerOrder) {
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return null;
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}
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return /*#__PURE__*/(0, _jsxRuntime.jsx)(_GlobalStyles.default, {
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styles: layerOrder
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});
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} |