27 lines
970 B
JavaScript
27 lines
970 B
JavaScript
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'use strict';
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const {isOpeningParenToken, isClosingParenToken} = require('@eslint-community/eslint-utils');
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/**
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Determine if a constructor function is newed-up with parens.
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@param {Node} node - The `NewExpression` node to be checked.
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@param {SourceCode} sourceCode - The source code object.
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@returns {boolean} True if the constructor is called with parens.
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Copied from https://github.com/eslint/eslint/blob/cc4871369645c3409dc56ded7a555af8a9f63d51/lib/rules/no-extra-parens.js#L252
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*/
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function isNewExpressionWithParentheses(node, sourceCode) {
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if (node.arguments.length > 0) {
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return true;
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}
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const [penultimateToken, lastToken] = sourceCode.getLastTokens(node, 2);
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// The expression should end with its own parens, for example, `new new Foo()` is not a new expression with parens.
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return isOpeningParenToken(penultimateToken)
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&& isClosingParenToken(lastToken)
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&& node.callee.range[1] < node.range[1];
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}
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module.exports = isNewExpressionWithParentheses;
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