create util class

lib/utils.js

@@ -8,14 +8,16 @@ import fs from "fs";
 
 const dirTree = require("directory-tree");
 
+export class Util {
+  _counter = 0;
 
-export function getContent(slug) {
+  getContent(slug) {
     let currentFilePath = toFilePath(slug)
     if (currentFilePath === undefined || currentFilePath == null) return null
     return Node.readFileSync(currentFilePath)
-}
+  }
 
-export function getShortSummary(slug) {
+  getShortSummary(slug) {
     const content = getContent(slug)
     if (content === undefined || content === null) {
       return
@@ -25,14 +27,13 @@ export function getShortSummary(slug) {
       .parse(content)
     let plainText = toString(tree)
     return plainText.split(" ").splice(0, 40).join(" ")
-}
+  }
 
-
-export function getAllMarkdownFiles() {
+  getAllMarkdownFiles() {
     return Node.getFiles(Node.getMarkdownFolder())
-}
+  }
 
-export function getSinglePost(slug) {
+  getSinglePost(slug) {
     // List of filenames that will provide existing links to wikilink
     let currentFilePath = toFilePath(slug)
     //console.log("currentFilePath: ", currentFilePath)
@@ -50,15 +51,14 @@ export function getSinglePost(slug) {
       data: htmlContent,
     }
 
-}
+  }
 
-const cachedSlugMap = getSlugHashMap()
-
-export function toFilePath(slug) {
+  toFilePath(slug) {
+    const cachedSlugMap = getSlugHashMap()
     return cachedSlugMap[slug]
-}
+  }
 
-export function getSlugHashMap() {
+  getSlugHashMap() {
     // This is to solve problem of converting between slug and filepath,
     // where previously if I convert a slug to a file path sometime
     // it does not always resolve to correct filepath, converting function is not bi-directional
@@ -82,10 +82,9 @@ export function getSlugHashMap() {
     slugMap['/'] = Node.getMarkdownFolder() + indexFile
 
     return slugMap
-}
+  }
 
-
-export function toSlug(filePath) {
+  toSlug(filePath) {
     const markdownFolder = Node.getMarkdownFolder()
     const isFile = Node.isFile(filePath)
     const isMarkdownFolder = filePath.includes(markdownFolder)
@@ -101,11 +100,9 @@ export function toSlug(filePath) {
       return '/'
     }
 
-}
+  }
 
-
-
-export function constructGraphData() {
+  constructGraphData() {
     const filepath = path.join(process.cwd(), "graph-data.json");
     if (Node.isFile(filepath)) {
       const data = fs.readFileSync(filepath);
@@ -145,10 +142,9 @@ export function constructGraphData() {
       fs.writeFileSync(filepath, JSON.stringify(data), "utf-8");
       return data;
     }
-}
+  }
 
-
-export function getLocalGraphData(currentNodeId) {
+  getLocalGraphData(currentNodeId) {
     const { nodes, edges } = constructGraphData()
 
     const newNodes = nodes.map(aNode => (
@@ -210,25 +206,23 @@ export function getLocalGraphData(currentNodeId) {
     }
 
 
-}
+  }
 
-export function getAllSlugs() {
+  getAllSlugs() {
     //console.log("\n\nAll Posts are scanning")
     // Get file names under /posts
     const markdownFolder = Node.getMarkdownFolder()
     const markdownFiles = Node.getFiles(markdownFolder)
     const filePaths = markdownFiles.filter(file => !(file.endsWith("index") || file.endsWith("sidebar")))
     return filePaths.map(f => toSlug(f))
-}
+  }
 
-export function getDirectoryData() {
+  getDirectoryData() {
     const filteredDirectory = dirTree(Node.getMarkdownFolder(), { extensions: /\.md/, exclude: [/\.git/, /\.obsidian/] });
     return convertObject(filteredDirectory)
-}
+  }
 
-let _counter = 0;
-
-export function convertObject(thisObject) {
+  convertObject(thisObject) {
     const children = []
 
     let routerPath = getAllSlugs().find(slug => {
@@ -252,9 +246,9 @@ export function convertObject(thisObject) {
     } else {
       return newObject
     }
-}
+  }
 
-function flat(array) {
+  flat(array) {
     var result = [];
     array.forEach(function(a) {
       result.push(a);
@@ -263,8 +257,9 @@ function flat(array) {
       }
     });
     return result;
+  }
+  getFlattenArray(thisObject) {
+    return flat(thisObject.children)
+  }
 }
 
-export function getFlattenArray(thisObject) {
-  return flat(thisObject.children)
-}