Function isLeftHandSide

scripts/libs/esprima.js:2228–2230

(expr)

    // Return true if provided expression is LeftHandSideExpression

    function isLeftHandSide(expr) {
        return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression;
    }

    function parseArrayPattern() {
        var node = new Node(), elements = [], rest, restNode;