Function cacheExpression

test/fixtures/snapshot/typescript.js:103378–103385

(node)

            return node;
        }
        function cacheExpression(node) {
            if (ts.isGeneratedIdentifier(node) || ts.getEmitFlags(node) & 4096 /* EmitFlags.HelperName */) {
                return node;
            }
            var temp = factory.createTempVariable(hoistVariableDeclaration);
            emitAssignment(temp, node, /*location*/ node);
            return temp;
        }
        function declareLocal(name) {
            var temp = name
                ? factory.createUniqueName(name)