refactor: option for redis/lru or memcached

Author: adifiore

SSRtest/ModifiedReact.js

@@ -2205,7 +2205,7 @@ var ReactDOMServerRenderer = function () {
  // TODO: type this more strictly:
 
 
- ReactDOMServerRenderer.prototype.read = async function read(bytes, cache) {
+ ReactDOMServerRenderer.prototype.read = async function read(bytes, cache, memLife) {
  // Promisify the get method, which is asynchronous for Redis
  const getAsync = promisify(cache.get).bind(cache);
  let continueLoop = true;
@@ -2281,7 +2281,13 @@ var ReactDOMServerRenderer = function () {
  } while (tagStack.length !== 0);
 
  // cache component by slicing 'out'
- cache.set(cacheKey, out.slice(start[cacheKey], tagEnd), 1000, (err) => console.log(err));
+ if (memLife) {
+ cache.set(cacheKey, out.slice(start[cacheKey], tagEnd), memLife, (err) => {
+ if(err) console.log(err)
+ });
+ } else {
+ cache.set(cacheKey, out.slice(start[cacheKey], tagEnd));
+ }
  }
  return out;
  };
@@ -2540,9 +2546,10 @@ var ReactDOMServerRenderer = function () {
  * server.
  * See https://reactjs.org/docs/react-dom-server.html#rendertostring
  */
-async function renderToString(element, cache) {
+async function renderToString(element, cache, memLife=0) {
+ // If and only if using memcached, pass the lifetime of your cache entry (in seconds) into 'memLife'.
  var renderer = new ReactDOMServerRenderer(element, false);
- var markup = await renderer.read(Infinity,cache);
+ var markup = await renderer.read(Infinity, cache, memLife);
  return markup;
 }
 

SSRtest/src/server/index.js

@@ -9,10 +9,10 @@ import App from '../shared/App';
 
 // can pass in max-size, otherwise defaults to 1 million
 // const cache = new ReactCC.ComponentCache();
-// import redis from 'redis';
-// const cache = redis.createClient();
-import memcached from 'memcached';
-const cache = new memcached('localhost:11211');
+import redis from 'redis';
+const cache = redis.createClient();
+// import memcached from 'memcached';
+// const cache = new memcached('localhost:11211');
 
 /**
  * @param clientStats Parameter passed by hot server middleware