@typescript-eslint/eslint-plugin
Version:
TypeScript plugin for ESLint
61 lines (60 loc) • 2.17 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("@typescript-eslint/utils");
const util_1 = require("../util");
exports.default = (0, util_1.createRule)({
name: 'no-namespace',
meta: {
type: 'suggestion',
docs: {
description: 'Disallow TypeScript namespaces',
recommended: 'recommended',
},
messages: {
moduleSyntaxIsPreferred: 'ES2015 module syntax is preferred over namespaces.',
},
schema: [
{
type: 'object',
additionalProperties: false,
properties: {
allowDeclarations: {
type: 'boolean',
description: 'Whether to allow `declare` with custom TypeScript namespaces.',
},
allowDefinitionFiles: {
type: 'boolean',
description: 'Whether to allow `declare` with custom TypeScript namespaces inside definition files.',
},
},
},
],
},
defaultOptions: [
{
allowDeclarations: false,
allowDefinitionFiles: true,
},
],
create(context, [{ allowDeclarations, allowDefinitionFiles }]) {
function isDeclaration(node) {
if (node.type === utils_1.AST_NODE_TYPES.TSModuleDeclaration && node.declare) {
return true;
}
return node.parent != null && isDeclaration(node.parent);
}
return {
"TSModuleDeclaration[global!=true][id.type!='Literal']"(node) {
if (node.parent.type === utils_1.AST_NODE_TYPES.TSModuleDeclaration ||
(allowDefinitionFiles && (0, util_1.isDefinitionFile)(context.filename)) ||
(allowDeclarations && isDeclaration(node))) {
return;
}
context.report({
node,
messageId: 'moduleSyntaxIsPreferred',
});
},
};
},
});