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code-server/build/lib/eslint/utils.ts

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as eslint from 'eslint';
import { TSESTree } from '@typescript-eslint/experimental-utils';
export function createImportRuleListener(validateImport: (node: TSESTree.Literal, value: string) => any): eslint.Rule.RuleListener {
function _checkImport(node: TSESTree.Node | null) {
if (node && node.type === 'Literal' && typeof node.value === 'string') {
validateImport(node, node.value);
}
}
return {
// import ??? from 'module'
ImportDeclaration: (node: any) => {
_checkImport((<TSESTree.ImportDeclaration>node).source);
},
// import('module').then(...) OR await import('module')
['CallExpression[callee.type="Import"][arguments.length=1] > Literal']: (node: any) => {
_checkImport(node);
},
// import foo = ...
['TSImportEqualsDeclaration > TSExternalModuleReference > Literal']: (node: any) => {
_checkImport(node);
},
// export ?? from 'module'
ExportAllDeclaration: (node: any) => {
_checkImport((<TSESTree.ExportAllDeclaration>node).source);
},
// export {foo} from 'module'
ExportNamedDeclaration: (node: any) => {
_checkImport((<TSESTree.ExportNamedDeclaration>node).source);
},
};
}