Function isSymbolUsedInBinaryExpressionChain

test/fixtures/snapshot/typescript.js:82778–82795

(node, testedSymbol)

            });
        }
        function isSymbolUsedInBinaryExpressionChain(node, testedSymbol) {
            while (ts.isBinaryExpression(node) && node.operatorToken.kind === 55 /* SyntaxKind.AmpersandAmpersandToken */) {
                var isUsed = ts.forEachChild(node.right, function visit(child) {
                    if (ts.isIdentifier(child)) {
                        var symbol = getSymbolAtLocation(child);
                        if (symbol && symbol === testedSymbol) {
                            return true;
                        }
                    }
                    return ts.forEachChild(child, visit);
                });
                if (isUsed) {
                    return true;
                }
                node = node.parent;
            }
            return false;
        }
        function checkDoStatement(node) {
            // Grammar checking
            checkGrammarStatementInAmbientContext(node);