stuff.

2020-02-20 18:01:09 +01:00
parent ee798c0c6a
commit d437b580f3
12 changed files with 238 additions and 46 deletions
--- a/src/inc/trigger/lib/serialize.mjs
+++ b/src/inc/trigger/lib/serialize.mjs
@@ -0,0 +1,76 @@
+export default new class serialize {
+  FUNCFLAG = "_$$ND_FUNC$$_";
+  CIRCULARFLAG = "_$$ND_CC$$_";
+  KEYPATHSEPARATOR = "_$$.$$_";
+
+  getKeyPath(obj, path) {
+    let currentObj = obj;
+    path.split(this.KEYPATHSEPARATOR).forEach((p, index) => {
+      if (index)
+        currentObj = currentObj[p];
+    });
+    return currentObj;
+  }
+  serialize(obj, outputObj, cache, path) {
+    path = path || "$";
+    cache = cache || {};
+    cache[path] = obj;
+    outputObj = outputObj || {};
+  
+    if(Array.isArray(obj))
+      return JSON.stringify(obj);
+  
+    for(let key in obj) {
+      if(obj.hasOwnProperty(key)) {
+        if(Array.isArray(obj[key]))
+          outputObj[key] = obj[key];
+        else if(typeof obj[key] === "object" && obj[key] !== null) {
+          let found = false;
+          for(let subKey in cache) {
+            if (cache.hasOwnProperty(subKey)) {
+              if (cache[subKey] === obj[key]) {
+                outputObj[key] = this.CIRCULARFLAG + subKey;
+                found = true;
+              }
+            }
+          }
+          if (!found)
+            outputObj[key] = this.serialize(obj[key], outputObj[key], cache, path + this.KEYPATHSEPARATOR + key);
+        }
+        else if(typeof obj[key] === "function")
+          outputObj[key] = this.FUNCFLAG + obj[key].toString();
+        else
+          outputObj[key] = obj[key];
+      }
+    }
+    return (path === "$") ? JSON.stringify(outputObj) : outputObj;
+  }
+  unserialize(obj, originObj) {
+    let isIndex;
+    if (typeof obj === "string") {
+      obj = JSON.parse(obj);
+      isIndex = true;
+    }
+    originObj = originObj || obj;
+  
+    let circularTasks = [];
+    for(let key in obj) {
+      if(obj.hasOwnProperty(key)) {
+        if(typeof obj[key] === "object")
+          obj[key] = this.unserialize(obj[key], originObj);
+        else if(typeof obj[key] === "string") {
+          if(obj[key].indexOf(this.FUNCFLAG) === 0)
+            obj[key] = eval("(" + obj[key].substring(this.FUNCFLAG.length) + ")");
+          else if(obj[key].indexOf(this.CIRCULARFLAG) === 0) {
+            obj[key] = obj[key].substring(this.CIRCULARFLAG.length);
+            circularTasks.push({obj: obj, key: key});
+          }
+        }
+      }
+    }
+  
+    if (isIndex)
+      circularTasks.forEach(task => task.obj[task.key] = this.getKeyPath(originObj, task.obj[task.key]));
+    return obj;
+  }
+};