Fixed unnecessary space issue in code blocks

Author: obsfx

package-lock.json

@@ -45,7 +45,7 @@
     "typescript": "^3.9.7"
   },
   "dependencies": {
-    "highlight.js": "^10.2.0",
+    "highlight.js": "^10.4.1",
     "minimist": "^1.2.5",
     "uuid": "^8.3.0"
   }

package.json

@@ -18,16 +18,22 @@ export default abstract class CodeBlock {
         return spottedSeqs;
     }
 
-    public static extract(opening: t_spottedSeq, closing: t_spottedSeq, context: string): Element {
+    public static extract(opening: t_spottedSeq, closing: t_spottedSeq, context: string, baseindent: number): Element {
         let str: string = Utils.getBetween(opening, closing, context);
-        let strArr: string[] = str.split('\n');
+
+        let strArr: string[] = str
+        .split('\n')
+        .map((line: string) => line.substring(baseindent, line.length));
+
         let lang: Language | undefined = hljs.getLanguage(strArr[0]);
+
         strArr.shift();
 
         let code: string = strArr.join('\n');
 
-        let hlcode: string = lang && lang.aliases ? hljs.highlight(lang.aliases[0], code).value :
-            hljs.highlightAuto(code).value;
+        let hlcode: string = lang && lang.aliases ? 
+          hljs.highlight(lang.aliases[0], code).value :
+          hljs.highlightAuto(code).value;
 
         let pre: Element = new Element('pre', [ { key: 'class', value: 'ld-pre hljs' } ]);
         let codeel: Element = new Element('code', [], hlcode);

src/parser/components/CodeBlock.ts

@@ -359,7 +359,7 @@ export default class Parser {
                     let matchRes: t_spottedSeq[] | false = CodeBlock.match(this.idx, this.input);
                     if (!matchRes) return false;
 
-                    let extractRes: Element = CodeBlock.extract(matchRes[0], matchRes[1], this.input);
+                    let extractRes: Element = CodeBlock.extract(matchRes[0], matchRes[1], this.input, this.baseindent);
 
                     let sectionStr: string = Utils.getBetween(matchRes[0], matchRes[1], this.input);