import path from 'path' import {Node} from "./node" import {Transformer} from "./transformer"; import unified from "unified"; import markdown from "remark-parse"; import {toString} from 'mdast-util-to-string' const dirTree = require("directory-tree"); const postsDirectory = path.join(process.cwd(), 'posts') export function getContent(slug) { let currentFilePath = toFilePath(slug) if (currentFilePath === undefined || currentFilePath == null) return null return Node.readFileSync(currentFilePath) } export function getShortSummary(slug) { const content = getContent(slug) if (content === undefined || content === null) { return } const tree = unified().use(markdown) .parse(content) let plainText = toString(tree) return plainText.split(" ").splice(0, 40).join(" ") } export function getAllMarkdownFiles() { return Node.getFiles(postsDirectory) } export function getSinglePost(slug) { console.log("\n\nFile is scanning: ", slug) // List of filenames that will provide existing links to wikilink let currentFilePath = slug !== "index" ? toFilePath(slug) : path.join(process.cwd(), 'posts') + "/index.md" //console.log("currentFilePath: ", currentFilePath) var fileContent = Node.readFileSync(currentFilePath) const currentFileFrontMatter = Transformer.getFrontMatterData(fileContent) const [htmlContent] = Transformer.getHtmlContent(fileContent) //console.log("hrmlcontents and backlinks") return { id: slug, ...currentFileFrontMatter, data: htmlContent, } } export function toFilePath(slug) { // Construct file name from slug of /notes/abcxyz let filePath ; if (slug === '/') { filePath = path.join(process.cwd(), 'posts') + "/index.md" } else { filePath = postsDirectory + slug .replaceAll('__','/') .replaceAll('--',' ') .replaceAll('ambersand','&') + ".md"; } if (Node.isFile(filePath)) { return filePath } else { return null } } export function toSlug(filePath) { // Convert File Path to unique slug // let result = filePath.replace('/','__').replace(' ','-').replace('.md', '') return filePath.replace(postsDirectory, '') .replaceAll('/','__') .replaceAll(' ','--') .replaceAll('&','ambersand') .replace('.md', '') } export function constructBackLinks() { const filePaths = getAllMarkdownFiles(); const edges = [] const nodes = [] filePaths.forEach(filename => { // const {currentFilePath} = getFileNames(filename) const internalLinks = Transformer.getInternalLinks(filename) internalLinks.forEach(aLink => { if (aLink.slug === null || aLink.slug.length === 0) return const anEdge = { source: toSlug(filename), target: aLink.slug, } edges.push(anEdge) if (nodes.findIndex(aNode => aNode.slug === aLink.slug) === -1) { aLink.shortSummary = getShortSummary(aLink.slug) console.log(aLink.shortSummary) nodes.push(aLink) } }) } ) return {nodes, edges}; } export function getGraphData(currentNodeId) { const {nodes, edges} = constructBackLinks() const newNodes = nodes.map(aNode => ( { data: { id: aNode.slug.toString(), label: Transformer.parseFileNameFromPath(toFilePath(aNode.slug)), } } )) const newEdges = edges.map(anEdge => ({ data: { source: anEdge.source, target: anEdge.target, } })) const existingNodeIDs = newNodes.map(aNode => aNode.data.id) if (currentNodeId != null && existingNodeIDs.includes(currentNodeId)) { const localNodeIDs = newEdges .filter(anEdge => anEdge.data.source === currentNodeId) .map(anEdge => anEdge.data.target) localNodeIDs.push(currentNodeId) const localNodes = newNodes.filter(aNode => localNodeIDs.includes(aNode.data.id)) const localEdges = newEdges.filter(edge => localNodeIDs.includes(edge.data.source)).filter(edge => localNodeIDs.includes(edge.data.target)) return { nodes: localNodes, edges: localEdges } } else { const filteredEdges = newEdges .filter(edge => existingNodeIDs.includes(edge.data.source)) .filter(edge => existingNodeIDs.includes(edge.data.target)) return { nodes: newNodes, edges: filteredEdges } } } export function getAllSlugs() { //console.log("\n\nAll Posts are scanning") // Get file names under /posts const filePaths = Node.getFiles(postsDirectory).filter(f => !(f.endsWith("index") || f.endsWith("sidebar"))) return filePaths.map(f => toSlug(f)) } export function getDirectoryData() { const filteredDirectory = dirTree(postsDirectory, {extensions: /\.md/}); return convertObject(filteredDirectory) } let _counter = 0; export function convertObject(thisObject) { const children = [] let routerPath = getAllSlugs().find(slug => { const fileName = Transformer.parseFileNameFromPath(toFilePath(slug)) return Transformer.normalizeFileName(fileName) === Transformer.normalizeFileName(thisObject.name) }) || null routerPath = routerPath ? '/note/' + routerPath : null const newObject = { name: thisObject.name, children: children, id: (_counter++).toString(), routePath: routerPath || null }; if (thisObject.children != null && thisObject.children.length > 0) { thisObject.children.forEach(aChild => { const newChild = convertObject(aChild) children.push(newChild) }) return newObject; } else { return newObject } } function flat(array) { var result = []; array.forEach(function (a) { result.push(a); if (Array.isArray(a.children)) { result = result.concat(flat(a.children)); } }); return result; } export function getFlattenArray(thisObject) { return flat(thisObject.children) }