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rOACCT/node_modules/react-docgen/dist/utils/getMemberExpressionValuePath.js
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getMemberExpressionValuePath.js
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			"use strict";

			var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

			Object.defineProperty(exports, "__esModule", {
			value: true
			});
			exports.default = getMemberExpressionValuePath;

			var _astTypes = require("ast-types");

			var _getNameOrValue = _interopRequireDefault(require("./getNameOrValue"));

			var _expressionTo = require("./expressionTo");

			var _isReactForwardRefCall = _interopRequireDefault(require("./isReactForwardRefCall"));

			/**
			* Copyright (c) Facebook, Inc. and its affiliates.
			*
			* This source code is licensed under the MIT license found in the
			* LICENSE file in the root directory of this source tree.
			*
			*
			*/
			function resolveName(path) {
			if (_astTypes.namedTypes.VariableDeclaration.check(path.node)) {
			const declarations = path.get('declarations');

			if (declarations.value.length && declarations.value.length !== 1) {
			throw new TypeError('Got unsupported VariableDeclaration. VariableDeclaration must only ' + 'have a single VariableDeclarator. Got ' + declarations.value.length + ' declarations.');
			}

			const value = declarations.get(0, 'id', 'name').value;
			return value;
			}

			if (_astTypes.namedTypes.FunctionDeclaration.check(path.node)) {
			return path.get('id', 'name').value;
			}

			if (_astTypes.namedTypes.FunctionExpression.check(path.node) \|\| _astTypes.namedTypes.ArrowFunctionExpression.check(path.node) \|\| _astTypes.namedTypes.TaggedTemplateExpression.check(path.node) \|\| _astTypes.namedTypes.CallExpression.check(path.node) \|\| (0, _isReactForwardRefCall.default)(path)) {
			let currentPath = path;

			while (currentPath.parent) {
			if (_astTypes.namedTypes.VariableDeclarator.check(currentPath.parent.node)) {
			return currentPath.parent.get('id', 'name').value;
			}

			currentPath = currentPath.parent;
			}

			return;
			}

			throw new TypeError('Attempted to resolveName for an unsupported path. resolveName accepts a ' + 'VariableDeclaration, FunctionDeclaration, FunctionExpression or CallExpression. Got "' + path.node.type + '".');
			}

			function getRoot(node) {
			let root = node.parent;

			while (root.parent) {
			root = root.parent;
			}

			return root;
			}

			function getMemberExpressionValuePath(variableDefinition, memberName) {
			const localName = resolveName(variableDefinition);
			const program = getRoot(variableDefinition);

			if (!localName) {
			// likely an immediately exported and therefore nameless/anonymous node
			// passed in
			return;
			}

			let result;
			(0, _astTypes.visit)(program, {
			visitAssignmentExpression(path) {
			const memberPath = path.get('left');

			if (!_astTypes.namedTypes.MemberExpression.check(memberPath.node)) {
			return this.traverse(path);
			}

			if ((!memberPath.node.computed \|\| _astTypes.namedTypes.Literal.check(memberPath.node.property)) && (0, _getNameOrValue.default)(memberPath.get('property')) === memberName && (0, _expressionTo.String)(memberPath.get('object')) === localName) {
			result = path.get('right');
			return false;
			}

			this.traverse(memberPath);
			}

			});
			return result;
			}