/
no-extra-non-null-assertion.ts
39 lines (37 loc) · 1.09 KB
/
no-extra-non-null-assertion.ts
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import { TSESTree } from '@typescript-eslint/experimental-utils';
import * as util from '../util';
export default util.createRule({
name: 'no-extra-non-null-assertion',
meta: {
type: 'problem',
docs: {
description: 'Disallow extra non-null assertion',
category: 'Stylistic Issues',
recommended: 'error',
},
fixable: 'code',
schema: [],
messages: {
noExtraNonNullAssertion: 'Forbidden extra non-null assertion.',
},
},
defaultOptions: [],
create(context) {
function checkExtraNonNullAssertion(
node: TSESTree.TSNonNullExpression,
): void {
context.report({
node,
messageId: 'noExtraNonNullAssertion',
fix(fixer) {
return fixer.removeRange([node.range[1] - 1, node.range[1]]);
},
});
}
return {
'TSNonNullExpression > TSNonNullExpression': checkExtraNonNullAssertion,
'MemberExpression[optional = true] > TSNonNullExpression': checkExtraNonNullAssertion,
'CallExpression[optional = true] > TSNonNullExpression.callee': checkExtraNonNullAssertion,
};
},
});