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- 'use strict';
- /**
- 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}
- */
- 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;
- }
- module.exports = shouldAddParenthesesToLogicalExpressionChild;
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