feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/js-git/mixins/add-cache.js

@@ -0,0 +1,61 @@
+"use strict";
+
+module.exports = addCache;
+function addCache(repo, cache) {
+  var loadAs = repo.loadAs;
+  if (loadAs) repo.loadAs = loadAsCached;
+  var saveAs = repo.saveAs;
+  if (saveAs) repo.saveAs = saveAsCached;
+  var createTree = repo.createTree;
+  if (createTree) repo.createTree = createTreeCached;
+
+  function loadAsCached(type, hash, callback) {
+    // Next check in disk cache...
+    cache.loadAs(type, hash, onCacheLoad);
+
+    function onCacheLoad(err, value) {
+      if (err) return callback(err);
+      // ...and return if it's there.
+      if (value !== undefined) {
+        return callback(null, value, hash);
+      }
+
+      // Otherwise load from real data source...
+      loadAs.call(repo, type, hash, onLoad);
+    }
+
+    function onLoad(err, value) {
+      if (value === undefined) return callback(err);
+
+      // Store it on disk too...
+      // Force the hash to prevent mismatches.
+      cache.saveAs(type, value, onSave, hash);
+
+      function onSave(err) {
+        if (err) return callback(err);
+        // Finally return the value to caller.
+        callback(null, value, hash);
+      }
+    }
+  }
+
+  function saveAsCached(type, value, callback) {
+    saveAs.call(repo, type, value, onSave);
+
+    function onSave(err, hash) {
+      if (err) return callback(err);
+      // Store in disk, forcing hash to match.
+      cache.saveAs(type, value, callback, hash);
+    }
+  }
+
+  function createTreeCached(entries, callback) {
+    createTree.call(repo, entries, onTree);
+
+    function onTree(err, hash, tree) {
+      if (err) return callback(err);
+      cache.saveAs("tree", tree, callback, hash);
+    }
+  }
+
+}