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