mirror of
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119 lines
4.2 KiB
JavaScript
119 lines
4.2 KiB
JavaScript
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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// Null module shim for packages not available in the docs build.
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// These are transitive dependencies of superset-frontend components that exist
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// in the barrel file but are never rendered on the docs site.
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// webpack needs these to resolve at build time even though the code paths
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// that use them are never executed at runtime.
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//
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// This shim uses a recursive Proxy to handle nested property access chains:
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// import ace from 'ace-builds'; ace.config.set(...) → works (returns proxy)
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// import { useResizeDetector } from 'react-resize-detector' → returns noop hook
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// import ReactAce from 'react-ace' → returns NullComponent
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const NullComponent = () => null;
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// For hooks that return objects/arrays
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const useNoop = () => ({});
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// Mock for useResizeDetector - returns { ref, width, height } where ref.current exists
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const useResizeDetectorMock = () => ({
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ref: { current: null },
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width: 0,
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height: 0,
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});
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/**
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* Creates a recursive proxy that handles any depth of property access.
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* This allows patterns like ace.config.set() or ace.config.setModuleUrl() to work.
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*
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* The proxy is both callable (returns undefined) and accessible (returns another proxy).
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*/
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function createDeepProxy() {
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const handler = {
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// Handle property access - return another proxy for chaining
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get(target, prop) {
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// Standard module properties
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if (prop === 'default') return createDeepProxy();
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if (prop === '__esModule') return true;
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// Symbol properties (used by JS internals)
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if (typeof prop === 'symbol') {
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if (prop === Symbol.toPrimitive) return () => '';
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if (prop === Symbol.toStringTag) return 'NullModule';
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if (prop === Symbol.iterator) return undefined;
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return undefined;
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}
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// React-specific properties
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if (prop === '$$typeof') return undefined;
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if (prop === 'propTypes') return undefined;
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if (prop === 'displayName') return 'NullComponent';
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// Specific hook mocks for known hooks that need proper return values
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if (prop === 'useResizeDetector') {
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return useResizeDetectorMock;
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}
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// Common hook names return useNoop for better compatibility
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if (typeof prop === 'string' && prop.startsWith('use')) {
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return useNoop;
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}
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// Return another proxy to allow further chaining (ace.config.set)
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return createDeepProxy();
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},
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// Handle function calls - return undefined (safe default)
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apply() {
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return undefined;
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},
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// Handle new ClassName() - return an empty object
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construct() {
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return {};
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},
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};
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// Create a proxy over a function so it's both callable and has properties
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return new Proxy(function NullModule() {}, handler);
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}
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// Create the main module export as a deep proxy
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const nullModule = createDeepProxy();
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// Support both CommonJS and ES module patterns
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module.exports = nullModule;
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module.exports.default = createDeepProxy();
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module.exports.__esModule = true;
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// Named exports for common patterns (webpack may inline these)
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module.exports.useResizeDetector = useResizeDetectorMock;
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module.exports.withResizeDetector = createDeepProxy();
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module.exports.Resizable = NullComponent;
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module.exports.ResizableBox = NullComponent;
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module.exports.FixedSizeList = NullComponent;
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module.exports.VariableSizeList = NullComponent;
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// ace-builds specific exports that CodeEditor uses
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module.exports.config = createDeepProxy();
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module.exports.require = createDeepProxy();
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module.exports.edit = createDeepProxy();
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