Refactor + add more tests (Part 1) (#847)

* Refactor mdToHtml out

* Refactor routing + move it to server instead of core

* Refactor & Add more tests for server utils

* Refactor isSeparateCss function from server & generate

* Refactor insertTableOfContents from server & generate + add tests

* undo small nits

lib/server/utils.js

@@ -9,23 +9,14 @@ const cssnano = require('cssnano');
 const path = require('path');
 const escapeStringRegexp = require('escape-string-regexp');
 
-// Return the subdirectory path from a reference directory
-// Example:
-//  (file: 'docs/projectA/test.md', refDir: 'docs')
-//  returns 'projectA'
 function getSubDir(file, refDir) {
-  let subDir = path.dirname(path.relative(refDir, file));
-  subDir = subDir.replace('\\', '/');
-  return subDir !== '.' ? subDir : null;
+  const subDir = path.dirname(path.relative(refDir, file)).replace('\\', '/');
+  return subDir !== '.' && !subDir.includes('..') ? subDir : null;
 }
 
-// Get the corresponding enabled language locale of a file.
-// Example:
-//  (file: '/website/translated_docs/ko/projectA/test.md', refDir: 'website/translated_docs')
-//  returns 'ko'
 function getLanguage(file, refDir) {
   const regexSubFolder = new RegExp(
-    `/${escapeStringRegexp(path.basename(refDir))}/(.*)/.*/`
+    `${escapeStringRegexp(path.basename(refDir))}/(.*?)/.*`
   );
   const match = regexSubFolder.exec(file);
 
@@ -42,6 +33,18 @@ function getLanguage(file, refDir) {
   return null;
 }
 
+function isSeparateCss(file, separateDirs) {
+  if (!separateDirs) {
+    return false;
+  }
+  for (let i = 0; i < separateDirs.length; i++) {
+    if (file.includes(separateDirs[i])) {
+      return true;
+    }
+  }
+  return false;
+}
+
 function minifyCss(cssContent) {
   return cssnano
     .process(cssContent, {
@@ -54,5 +57,6 @@ function minifyCss(cssContent) {
 module.exports = {
   getSubDir,
   getLanguage,
+  isSeparateCss,
   minifyCss,
 };