vscode/.eslintplugin/vscode-dts-cancellation.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 { AST_NODE_TYPES, TSESTree } from '@typescript-eslint/experimental-utils';
export = new class ApiProviderNaming implements eslint.Rule.RuleModule {
readonly meta: eslint.Rule.RuleMetaData = {
messages: {
noToken: 'Function lacks a cancellation token, preferable as last argument',
}
};
create(context: eslint.Rule.RuleContext): eslint.Rule.RuleListener {
return {
['TSInterfaceDeclaration[id.name=/.+Provider/] TSMethodSignature[key.name=/^(provide|resolve).+/]']: (node: any) => {
let found = false;
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for (const param of (<TSESTree.TSMethodSignature>node).params) {
if (param.type === AST_NODE_TYPES.Identifier) {
found = found || param.name === 'token';
}
}
if (!found) {
context.report({
node,
messageId: 'noToken'
});
}
}
};
}
};