Create MDWxrd as a holder for our Markdown oriented data model

src/myriad/Djehuti.js

@@ -1,4 +1,5 @@
 import { Wxrd } from './Wxrd';
+import { MDWxrd } from './MDWxrd';
 
 export class Djehuti {
 
@@ -7,8 +8,9 @@ export class Djehuti {
 	}
 
 	createWxrd(multiLineInput) {
-
-		return new Wxrd(multiLineInput);
+
+		// return new Wxrd(multiLineInput);
+		return new MDWxrd(multiLineInput);
 	}
 
 	// TODO: Mimic createWxrd to implement createMarkDown

src/myriad/MDWxrd.js

@@ -0,0 +1,109 @@
+/**
+ * @file Defines an MDWxrd.
+ */
+
+import { v4 as uuidv4 } from 'uuid';
+
+const INITIAL_WXRD_UUID = '[wxrdUuid NOT SET]';
+
+export class MDWxrd {
+
+  metaData = {
+    wxrdValue: '',
+    wxrdType: 'Wxrd',
+    wxrdUuid: INITIAL_WXRD_UUID,
+  };
+
+  aliases = {};
+  members = {};
+
+  constructor(initializationData){
+
+    if (typeof initializationData === 'string'
+        || initializationData instanceof String) {
+
+      // console.log('initializing...');
+
+      this.initializeUuid();
+      this.initializeCreatedAt();
+      this.setAlias(this.getUuid(), initializationData);
+      this.metaData.wxrdValue = initializationData;
+
+
+    } else if ('metaData' in initializationData) {
+
+      this.metaData = initializationData.metaData;
+      this.aliases = initializationData.aliases;
+      this.members = initializationData.members;
+
+    } else {
+
+      throw 'unrecognized initialization data!';
+
+    }
+
+  }
+
+  initializeUuid() {
+
+    if(this.metaData.wxrdUuid = INITIAL_WXRD_UUID){
+      const newUuid = uuidv4();
+      // console.log('initializing wxrdUuid to ' + newUuid);
+      this.metaData.wxrdUuid = uuidv4();
+    } else {
+      const foundUuid = this.metaData.wxrdUuid;
+      // console.log('wxrdUuid already exists as <' + foundUuid + '>, skipping initialization');
+    }
+  }
+
+  getUuid() {
+
+    if(!'wxrdUuid' in this.metaData){
+
+      throw 'wxrdUuid not initialized!';
+    }
+
+    return this.metaData.wxrdUuid;
+  }
+
+  initializeCreatedAt() {
+
+    if(!'createdAt' in this.metaData){
+
+      const currentTime = new Date();
+      this.metaData.createdAt = currentTime.toISOString();
+    }
+  }
+
+  setAlias(uuidKey, aliasValue) {
+
+    this.aliases[uuidKey] = aliasValue;
+  }
+
+  getAlias(uuidToGet) {
+
+    if(!uuidToGet){
+
+      // console.log('no uuid supplied, assuming alias lookup for self');
+      uuidToGet = this.getUuid();
+      // console.log('uuid to lookup set to <' + uuidToGet + '>');
+    }
+
+    let foundAlias = '[ALIAS NOT FOUND FOR <' + uuidToGet + '>]';
+
+    try{
+
+      if(this.aliases[uuidToGet]){
+
+        foundAlias = this.aliases[uuidToGet];
+      }
+
+    }catch(err){
+
+      foundAlias = 'Error retrieving alias: ' + err;
+    }
+
+    return foundAlias;
+
+  }
+}