@typescript-eslint/eslint-plugin
Version:
TypeScript plugin for ESLint
61 lines • 2.11 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("@typescript-eslint/utils");
const util_1 = require("../util");
const classNames = new Set([
'BigInt',
// eslint-disable-next-line @typescript-eslint/internal/prefer-ast-types-enum
'Boolean',
'Number',
'Object',
// eslint-disable-next-line @typescript-eslint/internal/prefer-ast-types-enum
'String',
'Symbol',
]);
exports.default = (0, util_1.createRule)({
name: 'no-wrapper-object-types',
meta: {
type: 'problem',
docs: {
description: 'Disallow using confusing built-in primitive class wrappers',
recommended: 'recommended',
},
fixable: 'code',
messages: {
bannedClassType: 'Prefer using the primitive `{{preferred}}` as a type name, rather than the upper-cased `{{typeName}}`.',
},
schema: [],
},
defaultOptions: [],
create(context) {
function checkBannedTypes(node, includeFix) {
const typeName = node.type === utils_1.AST_NODE_TYPES.Identifier && node.name;
if (!typeName ||
!classNames.has(typeName) ||
!(0, util_1.isReferenceToGlobalFunction)(typeName, node, context.sourceCode)) {
return;
}
const preferred = typeName.toLowerCase();
context.report({
data: { typeName, preferred },
fix: includeFix
? (fixer) => fixer.replaceText(node, preferred)
: undefined,
messageId: 'bannedClassType',
node,
});
}
return {
TSClassImplements(node) {
checkBannedTypes(node.expression, false);
},
TSInterfaceHeritage(node) {
checkBannedTypes(node.expression, false);
},
TSTypeReference(node) {
checkBannedTypes(node.typeName, true);
},
};
},
});
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