eslint-plugin-unicorn-x
Version:
More than 100 powerful ESLint rules
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JavaScript
/**
Check if parentheses should be added to a `node` when it's used as child of `LogicalExpression`.
@param {Node} node - The AST node to check.
@param {{operator: string, property: string}} options - Options
@returns {boolean}
*/
export default function shouldAddParenthesesToLogicalExpressionChild(
node,
{operator, property},
) {
// We are not using this, but we can improve this function with it
/* c8 ignore next 3 */
if (!property) {
throw new Error('`property` is required.');
}
if (node.type === 'LogicalExpression' && node.operator === operator) {
return false;
}
// Not really needed, but more readable
if (node.type === 'AwaitExpression' || node.type === 'BinaryExpression') {
return true;
}
// Lower precedence than `LogicalExpression`
// see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence#Table
if (
node.type === 'LogicalExpression' ||
node.type === 'ConditionalExpression' ||
node.type === 'AssignmentExpression' ||
node.type === 'ArrowFunctionExpression' ||
node.type === 'YieldExpression' ||
node.type === 'SequenceExpression'
) {
return true;
}
return false;
}