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code-server/build/lib/eslint/code-import-patterns.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';
import { join } from 'path';
import * as minimatch from 'minimatch';
import { createImportRuleListener } from './utils';
interface ImportPatternsConfig {
target: string;
restrictions: string | string[];
}
export = new class implements eslint.Rule.RuleModule {
readonly meta: eslint.Rule.RuleMetaData = {
messages: {
badImport: 'Imports violates \'{{restrictions}}\' restrictions. See https://github.com/microsoft/vscode/wiki/Source-Code-Organization'
},
docs: {
url: 'https://github.com/microsoft/vscode/wiki/Source-Code-Organization'
}
};
create(context: eslint.Rule.RuleContext): eslint.Rule.RuleListener {
const configs = <ImportPatternsConfig[]>context.options;
for (const config of configs) {
if (minimatch(context.getFilename(), config.target)) {
return createImportRuleListener((node, value) => this._checkImport(context, config, node, value));
}
}
return {};
}
private _checkImport(context: eslint.Rule.RuleContext, config: ImportPatternsConfig, node: TSESTree.Node, path: string) {
// resolve relative paths
if (path[0] === '.') {
path = join(context.getFilename(), path);
}
let restrictions: string[];
if (typeof config.restrictions === 'string') {
restrictions = [config.restrictions];
} else {
restrictions = config.restrictions;
}
let matched = false;
for (const pattern of restrictions) {
if (minimatch(path, pattern)) {
matched = true;
break;
}
}
if (!matched) {
// None of the restrictions matched
context.report({
loc: node.loc,
messageId: 'badImport',
data: {
restrictions: restrictions.join(' or ')
}
});
}
}
};