29 lines
1.0 KiB
TypeScript
29 lines
1.0 KiB
TypeScript
|
/*---------------------------------------------------------------------------------------------
|
||
|
|
* 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 = new class ApiLiteralOrTypes implements eslint.Rule.RuleModule {
|
||
|
|
|
||
|
|
readonly meta: eslint.Rule.RuleMetaData = {
|
||
|
|
docs: { url: 'https://github.com/microsoft/vscode/wiki/Extension-API-guidelines#enums' },
|
||
|
|
messages: { useEnum: 'Use enums, not literal-or-types', }
|
||
|
|
};
|
||
|
|
|
||
|
|
create(context: eslint.Rule.RuleContext): eslint.Rule.RuleListener {
|
||
|
|
return {
|
||
|
|
['TSTypeAnnotation TSUnionType']: (node: any) => {
|
||
|
|
if ((<TSESTree.TSUnionType>node).types.every(value => value.type === 'TSLiteralType')) {
|
||
|
|
context.report({
|
||
|
|
node: node,
|
||
|
|
messageId: 'useEnum'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
};
|