cleanup some libs

lib/node.js

@@ -1,9 +1,11 @@
 import path from 'path'
 import fs from "fs"
 
-export class Node {
+class Node {
+  _markdownFolder;
+  _filesList;
 
-  static isFile = (filename) => {
+  isFile = (filename) => {
     try {
       return fs.existsSync(filename)
     } catch (err) {
@@ -13,36 +15,47 @@ export class Node {
 
   }
 
-  static getFullPath = (folderPath) => {
+  getFullPath = (folderPath) => {
     return fs.readdirSync(folderPath).map(fn => path.join(folderPath, fn))
   }
 
-  static getFiles = (dir) => {
+  getFiles = (dir) => {
+    if (this._filesList) return this._filesList
     var results = [];
     var list = fs.readdirSync(dir);
+    const outterThis = this
     list.forEach(function(file) {
       file = dir + '/' + file;
       var stat = fs.statSync(file);
       if (stat && stat.isDirectory()) {
         /* Recurse into a subdirectory */
-        results = results.concat(Node.getFiles(file));
+        results = results.concat(outterThis.getFiles(file));
       } else {
         /* Is a file */
         results.push(file);
       }
     });
-    return results.filter(f => f.endsWith(".md"))
+
+    const filtered = results.filter(f => f.endsWith(".md"))
+
+    this._filesList = filtered
+    return this._filesList
   }
 
-  static readFileSync = (fullPath) => {
+  readFileSync = (fullPath) => {
     return fs.readFileSync(fullPath, "utf8")
   }
 
-  static getMarkdownFolder = () => {
+  getMarkdownFolder = () => {
+    if (this._markdownFolder) return this._markdownFolder
     const notesDir = path.join(process.cwd(), 'notes')
-    if (!Node.isFile(notesDir)) {
+    if (!this.isFile(notesDir)) {
       console.warn("Notes Directory does not seem to exist: ", notesDir)
     }
-    return notesDir
+    this._markdownFolder = notesDir
+    return this._markdownFolder
   }
 }
+
+const node = new Node()
+export default node

lib/transformer.js

@@ -6,7 +6,7 @@ import html from 'remark-html'
 // import frontmatter from "remark-frontmatter";
 import externalLinks from 'remark-external-links'
 import highlight from 'remark-highlight.js'
-import { Node } from './node'
+import { default as Node } from './node'
 import rehypePrism from 'rehype-prism-plus'
 import remarkRehype from 'remark-rehype'
 import rehypeStringify from 'rehype-stringify'

lib/utils.js

@@ -1,4 +1,4 @@
-import { Node } from './node'
+import { default as Node } from './node'
 import { Transformer } from './transformer'
 import { unified } from 'unified'
 import markdown from 'remark-parse'
@@ -10,11 +10,12 @@ const dirTree = require("directory-tree");
 
 class Util {
   _counter
-  cachedSlugMap
+  _cachedSlugMap
+  _directoryData
 
   constructor() {
     this._counter = 0
-    this.cachedSlugMap = this.getSlugHashMap()
+    this._cachedSlugMap = this.getSlugHashMap()
   }
 
   /**
@@ -63,7 +64,7 @@ class Util {
   }
 
   toFilePath(slug) {
-    return this.cachedSlugMap[slug]
+    return this._cachedSlugMap[slug]
   }
 
   getSlugHashMap() {
@@ -220,9 +221,13 @@ class Util {
     return filePaths.map(f => this.toSlug(f))
   }
 
+  /** Gets all directories - if cached already, gets cached */
   getDirectoryData() {
+    if (this._directoryData) return this._directoryData
     const filteredDirectory = dirTree(Node.getMarkdownFolder(), { extensions: /\.md/, exclude: [/\.git/, /\.obsidian/] })
-    return this.convertObject(filteredDirectory)
+    const convertedDirectoryData = this.convertObject(filteredDirectory)
+    this._directoryData = convertedDirectoryData
+    return this._directoryData
   }
 
   convertObject(thisObject) {