larry babby and threejs for glsl

webGl/my-threejs-test/node_modules/@parcel/runtime-js/src/helpers/cacheLoader.js

@@ -0,0 +1,29 @@
+let cachedBundles = {};
+let cachedPreloads = {};
+let cachedPrefetches = {};
+
+function getCache(type) {
+  switch (type) {
+    case 'preload':
+      return cachedPreloads;
+    case 'prefetch':
+      return cachedPrefetches;
+    default:
+      return cachedBundles;
+  }
+}
+
+module.exports = function cacheLoader(loader, type) {
+  return function (bundle) {
+    let cache = getCache(type);
+
+    if (cache[bundle]) {
+      return cache[bundle];
+    }
+
+    return (cache[bundle] = loader.apply(null, arguments).catch(function (e) {
+      delete cache[bundle];
+      throw e;
+    }));
+  };
+};