blob: cf4bd5c2d1f73da091a80b5d910013eeddd827dc [file] [log] [blame]
"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const util = __importStar(require("../util"));
exports.default = util.createRule({
name: 'prefer-interface',
meta: {
type: 'suggestion',
docs: {
description: 'Prefer an interface declaration over a type literal (type T = { ... })',
category: 'Stylistic Issues',
recommended: 'error',
},
fixable: 'code',
messages: {
interfaceOverType: 'Use an interface instead of a type literal.',
},
schema: [],
deprecated: true,
replacedBy: ['consistent-type-definitions'],
},
defaultOptions: [],
create(context) {
const sourceCode = context.getSourceCode();
return {
// VariableDeclaration with kind type has only one VariableDeclarator
"TSTypeAliasDeclaration[typeAnnotation.type='TSTypeLiteral']"(node) {
context.report({
node: node.id,
messageId: 'interfaceOverType',
fix(fixer) {
const typeNode = node.typeParameters || node.id;
const fixes = [];
const firstToken = sourceCode.getFirstToken(node);
if (firstToken) {
fixes.push(fixer.replaceText(firstToken, 'interface'));
fixes.push(fixer.replaceTextRange([typeNode.range[1], node.typeAnnotation.range[0]], ' '));
}
const afterToken = sourceCode.getTokenAfter(node.typeAnnotation);
if (afterToken &&
afterToken.type === 'Punctuator' &&
afterToken.value === ';') {
fixes.push(fixer.remove(afterToken));
}
return fixes;
},
});
},
};
},
});
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