From 4eae414f386f8a50ff78d76c7ec3e707d94c5fd0 Mon Sep 17 00:00:00 2001
From: developomp <developomp@gmail.com>
Date: Wed, 5 Jan 2022 22:51:31 +0900
Subject: [PATCH] better code splitting and new feature - added portfolio
 parsing function - moved front matter parsing to more appropriate file

---
 source/generate/index.ts          |  1 +
 source/generate/parseMarkdown.ts  | 43 +++++++++++++++++++++++++++++-
 source/generate/recursiveParse.ts | 44 ++++++-------------------------
 source/types/typing.ts            |  1 +
 4 files changed, 52 insertions(+), 37 deletions(-)

diff --git a/source/generate/index.ts b/source/generate/index.ts
index 751cd93..89eeb53 100644
--- a/source/generate/index.ts
+++ b/source/generate/index.ts
@@ -61,6 +61,7 @@ if (!fs.lstatSync(markdownPath + "/series").isDirectory())
 recursiveParse(ParseMode.POSTS, markdownPath + "/posts")
 recursiveParse(ParseMode.UNSEARCHABLE, markdownPath + "/unsearchable")
 recursiveParse(ParseMode.SERIES, markdownPath + "/series")
+recursiveParse(ParseMode.PORTFOLIO, markdownPath + "/portfolio")
 
 /**
  * Post-process
diff --git a/source/generate/parseMarkdown.ts b/source/generate/parseMarkdown.ts
index 67455b3..8c93188 100644
--- a/source/generate/parseMarkdown.ts
+++ b/source/generate/parseMarkdown.ts
@@ -9,16 +9,20 @@ import markdownItFootnote from "markdown-it-footnote" // markdown footnote
 
 import highlightLines from "markdown-it-highlight-lines" // highlighting specific lines in code blocks
 
+import matter from "gray-matter"
 import toc from "markdown-toc" // table of contents generation
 import hljs from "highlight.js" // code block syntax highlighting
 import katex from "katex" // rendering mathematical expression
 import "katex/contrib/mhchem" // chemical formula
 
+import { JSDOM } from "jsdom" // HTML DOM parsing
+
 import { nthIndex } from "./util"
+import { MarkdownData, ParseMode } from "../types/typing"
 
 const md = markdownIt({
 	// https://github.com/highlightjs/highlight.js/blob/main/SUPPORTED_LANGUAGES.md
-	highlight: function (str, lang) {
+	highlight: (str, lang) => {
 		if (lang && hljs.getLanguage(lang)) {
 			try {
 				return hljs.highlight(str, { language: lang }).value
@@ -56,3 +60,40 @@ export default function parseMarkdown(markdownRaw: string): string {
 export function generateToc(markdownRaw: string): string {
 	return md.render(toc(markdownRaw).content)
 }
+
+/**
+ * parse the front matter if it exists
+ *
+ * @param {string} markdownRaw - raw unparsed text data of the markdown file
+ * @param {string} path - filename of the markdown file
+ * @param {ParseMode} mode
+ */
+export function parseFrontMatter(
+	markdownRaw: string,
+	path: string,
+	mode: ParseMode
+): MarkdownData {
+	// todo: accurately calculate start and end of front matter
+	const frontMatter = matter(
+		markdownRaw.slice(0, nthIndex(markdownRaw, "---", 2) + 3)
+	).data
+
+	if (mode != ParseMode.PORTFOLIO) {
+		if (!frontMatter.title)
+			throw Error(`Title is not defined in file: ${path}`)
+
+		if (mode != ParseMode.UNSEARCHABLE && !frontMatter.date)
+			throw Error(`Date is not defined in file: ${path}`)
+	}
+
+	const dom = new JSDOM(parseMarkdown(markdownRaw))
+
+	// add .hljs class to all block codes
+	dom.window.document.querySelectorAll("pre > code").forEach((item) => {
+		item.classList.add("hljs")
+	})
+
+	frontMatter.content = dom.window.document.documentElement.innerHTML
+
+	return frontMatter as MarkdownData
+}
diff --git a/source/generate/recursiveParse.ts b/source/generate/recursiveParse.ts
index d5e8518..5ccc40d 100644
--- a/source/generate/recursiveParse.ts
+++ b/source/generate/recursiveParse.ts
@@ -1,10 +1,8 @@
 import fs from "fs"
 import readTimeEstimate from "read-time-estimate" // post read time estimation
-import matter from "gray-matter" // parse markdown metadata
-import { JSDOM } from "jsdom" // HTML DOM parsing
 
-import { nthIndex, path2FileOrFolderName, path2URL, writeToJSON } from "./util"
-import parseMarkdown, { generateToc } from "./parseMarkdown"
+import { path2FileOrFolderName, path2URL, writeToJSON } from "./util"
+import { generateToc, parseFrontMatter } from "./parseMarkdown"
 
 import { contentDirectoryPath } from "./config"
 import { addDocument } from "./searchIndex"
@@ -92,6 +90,10 @@ function parseFile(mode: ParseMode, path: string, fileName: string): void {
 		case ParseMode.UNSEARCHABLE:
 			parseUnsearchable(dataToPass)
 			break
+
+		case ParseMode.PORTFOLIO:
+			parsePortfolio(dataToPass)
+			break
 	}
 }
 
@@ -333,36 +335,6 @@ function parseUnsearchable(data: DataToPass): void {
 	)
 }
 
-/**
- * parse the front matter if it exists
- *
- * @param {string} markdownRaw
- * @param {string} path
- * @param {ParseMode} mode
- */
-function parseFrontMatter(
-	markdownRaw: string,
-	path: string,
-	mode: ParseMode
-): MarkdownData {
-	// todo: accurately calculate start and end of front matter
-	const result = matter(
-		markdownRaw.slice(0, nthIndex(markdownRaw, "---", 2) + 3)
-	).data
-
-	if (!result.title) throw Error(`Title is not defined in file: ${path}`)
-
-	if (mode != ParseMode.UNSEARCHABLE && !result.date)
-		throw Error(`Date is not defined in file: ${path}`)
-
-	const dom = new JSDOM(parseMarkdown(markdownRaw))
-
-	// add .hljs class to all block codes
-	dom.window.document.querySelectorAll("pre > code").forEach((item) => {
-		item.classList.add("hljs")
-	})
-
-	result.content = dom.window.document.documentElement.innerHTML
-
-	return result as MarkdownData
+function parsePortfolio(data: DataToPass): void {
+	console.log("portfolio file:", data.path)
 }
diff --git a/source/types/typing.ts b/source/types/typing.ts
index 9d1d9c0..efcafad 100644
--- a/source/types/typing.ts
+++ b/source/types/typing.ts
@@ -42,6 +42,7 @@ export enum ParseMode {
 	POSTS,
 	SERIES,
 	UNSEARCHABLE,
+	PORTFOLIO,
 }
 
 export interface MarkdownData {