Improve linkSelector and problemParser declarations in contest parsers

src/parsers/SimpleContestParser.ts

@@ -4,8 +4,8 @@ import { ContestParser } from './ContestParser';
 import { Parser } from './Parser';
 
 export abstract class SimpleContestParser extends ContestParser<string> {
-  public abstract linkSelector: string;
-  public abstract problemParser: Parser;
+  protected abstract linkSelector: string;
+  protected abstract problemParser: Parser;
 
   public canHandlePage(): boolean {
     return document.querySelector(this.linkSelector) !== null;

src/parsers/contest/A2OnlineJudgeContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { A2OnlineJudgeProblemParser } from '../problem/A2OnlineJudgeProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class A2OnlineJudgeContestParser extends SimpleContestParser {
-  public linkSelector: string = 'table tbody tr td a[href^="p?ID="]';
-  public problemParser: Parser = new A2OnlineJudgeProblemParser();
+  protected linkSelector = 'table tbody tr td a[href^="p?ID="]';
+  protected problemParser = new A2OnlineJudgeProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://a2oj.com/ladder*'];

src/parsers/contest/AtCoderContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { AtCoderProblemParser } from '../problem/AtCoderProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class AtCoderContestParser extends SimpleContestParser {
-  public linkSelector: string = 'table tr td:first-child a';
-  public problemParser: Parser = new AtCoderProblemParser();
+  protected linkSelector = 'table tr td:first-child a';
+  protected problemParser = new AtCoderProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://atcoder.jp/contests/*/tasks'];

src/parsers/contest/BUCTOJContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { BUCTOJProblemParser } from '../problem/BUCTOJProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class BUCTOJContestParser extends SimpleContestParser {
-  public linkSelector: string = 'table.ui.selectable > tbody > tr > td:nth-child(2) > a';
-  public problemParser: Parser = new BUCTOJProblemParser();
+  protected linkSelector = 'table.ui.selectable > tbody > tr > td:nth-child(2) > a';
+  protected problemParser = new BUCTOJProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['http://buctcoder.com/contest.php*', 'http://182.92.175.181/contest.php*'];

src/parsers/contest/BaekjoonOnlineJudgeContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { BaekjoonOnlineJudgeProblemParser } from '../problem/BaekjoonOnlineJudgeProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class BaekjoonOnlineJudgeContestParser extends SimpleContestParser {
-  public linkSelector: string = 'table > tbody > tr > td:nth-child(2) > a';
-  public problemParser: Parser = new BaekjoonOnlineJudgeProblemParser();
+  protected linkSelector = 'table > tbody > tr > td:nth-child(2) > a';
+  protected problemParser = new BaekjoonOnlineJudgeProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://www.acmicpc.net/workbook/view/*'];

src/parsers/contest/BeecrowdContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { BeecrowdProblemParser } from '../problem/BeecrowdProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class BeecrowdContestParser extends SimpleContestParser {
-  public linkSelector: string = '#table td.large > a';
-  public problemParser: Parser = new BeecrowdProblemParser();
+  protected linkSelector = '#table td.large > a';
+  protected problemParser = new BeecrowdProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://www.beecrowd.com.br/judge/*/challenges/contest/*'];

src/parsers/contest/COJContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { COJProblemParser } from '../problem/COJProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class COJContestParser extends SimpleContestParser {
-  public linkSelector: string = '#problem td > a';
-  public problemParser: Parser = new COJProblemParser();
+  protected linkSelector = '#problem td > a';
+  protected problemParser = new COJProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://coj.uci.cu/contest/cproblems.xhtml*'];

src/parsers/contest/CSESContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { CSESProblemParser } from '../problem/CSESProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class CSESContestParser extends SimpleContestParser {
-  public linkSelector: string = '.task-list.contest > .task > a';
-  public problemParser: Parser = new CSESProblemParser();
+  protected linkSelector = '.task-list.contest > .task > a';
+  protected problemParser = new CSESProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://cses.fi/*/list', 'https://cses.fi/*/list/'];

src/parsers/contest/CSUACMOnlineJudgeContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { CSUACMOnlineJudgeProblemParser } from '../problem/CSUACMOnlineJudgeProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class CSUACMOnlineJudgeContestParser extends SimpleContestParser {
-  public linkSelector: string = 'tbody > tr > td:nth-child(3) > a';
-  public problemParser: Parser = new CSUACMOnlineJudgeProblemParser();
+  protected linkSelector = 'tbody > tr > td:nth-child(3) > a';
+  protected problemParser = new CSUACMOnlineJudgeProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['http://acm.csu.edu.cn/csuoj/contest/problemset*'];

src/parsers/contest/CodeMarshalContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { CodeMarshalProblemParser } from '../problem/CodeMarshalProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class CodeMarshalContestParser extends SimpleContestParser {
-  public linkSelector: string = '.panel-problems a.list-group-item';
-  public problemParser: Parser = new CodeMarshalProblemParser();
+  protected linkSelector = '.panel-problems a.list-group-item';
+  protected problemParser = new CodeMarshalProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://algo.codemarshal.org/contests/*'];

src/parsers/contest/CodeforcesContestParser.ts

@@ -6,9 +6,9 @@ import { CodeforcesProblemParser } from '../problem/CodeforcesProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class CodeforcesContestParser extends SimpleContestParser {
-  public linkSelector: string =
+  protected linkSelector =
     '.problems > tbody > tr > td:first-child > a, ._ProblemsPage_problems > table > tbody > tr > td:first-child > a';
-  public problemParser: CodeforcesProblemParser = new CodeforcesProblemParser();
+  protected problemParser = new CodeforcesProblemParser();
 
   public getMatchPatterns(): string[] {
     const patterns: string[] = [];

src/parsers/contest/ContestHunterContestParser.ts

@@ -1,11 +1,10 @@
-import { Parser } from '../Parser';
 import { ContestHunterProblemParser } from '../problem/ContestHunterProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class ContestHunterContestParser extends SimpleContestParser {
-  public linkSelector: string =
+  protected linkSelector =
     '.container > .row > .span12 > .table > tbody > tr:nth-child(2) > td:nth-child(2) > .table span[itemprop="name"] > a';
-  public problemParser: Parser = new ContestHunterProblemParser();
+  protected problemParser = new ContestHunterProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['http://noi-test.zzstep.com/contest/*'];

src/parsers/contest/DMOJContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { DMOJProblemParser } from '../problem/DMOJProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class DMOJContestParser extends SimpleContestParser {
-  public linkSelector: string = '#contest-problems > tbody > tr > td:first-child > a';
-  public problemParser: Parser = new DMOJProblemParser();
+  protected linkSelector = '#contest-problems > tbody > tr > td:first-child > a';
+  protected problemParser = new DMOJProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://dmoj.ca/contest/*'];

src/parsers/contest/DevSkillContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { DevSkillProblemParser } from '../problem/DevSkillProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class DevSkillContestParser extends SimpleContestParser {
-  public linkSelector: string = '.contest_requirement > li > a';
-  public problemParser: Parser = new DevSkillProblemParser();
+  protected linkSelector = '.contest_requirement > li > a';
+  protected problemParser = new DevSkillProblemParser();
 
   public getMatchPatterns(): string[] {
     return [

src/parsers/contest/ECNUOnlineJudgeContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { ECNUOnlineJudgeProblemParser } from '../problem/ECNUOnlineJudgeProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class ECNUOnlineJudgeContestParser extends SimpleContestParser {
-  public linkSelector: string = 'td.left.aligned > a:first-child';
-  public problemParser: Parser = new ECNUOnlineJudgeProblemParser();
+  protected linkSelector = 'td.left.aligned > a:first-child';
+  protected problemParser = new ECNUOnlineJudgeProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://acm.ecnu.edu.cn/contest/*/'];

src/parsers/contest/EolympContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { EolympProblemParser } from '../problem/EolympProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class EolympContestParser extends SimpleContestParser {
-  public linkSelector: string = '.eo-problem-row__name';
-  public problemParser: Parser = new EolympProblemParser();
+  protected linkSelector = '.eo-problem-row__name';
+  protected problemParser = new EolympProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://www.eolymp.com/*/contests/*'];

src/parsers/contest/FZUOnlineJudgeContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { FZUOnlineJudgeProblemParser } from '../problem/FZUOnlineJudgeProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class FZUOnlineJudgeContestParser extends SimpleContestParser {
-  public linkSelector: string = '.ct_list_content > table > tbody > tr > td:nth-child(3) > a';
-  public problemParser: Parser = new FZUOnlineJudgeProblemParser();
+  protected linkSelector = '.ct_list_content > table > tbody > tr > td:nth-child(3) > a';
+  protected problemParser = new FZUOnlineJudgeProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['http://acm.fzu.edu.cn/contest/list.php*'];

src/parsers/contest/HDOJContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { HDOJProblemParser } from '../problem/HDOJProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class HDOJContestParser extends SimpleContestParser {
-  public linkSelector: string = 'tr.table_text a';
-  public problemParser: Parser = new HDOJProblemParser();
+  protected linkSelector = 'tr.table_text a';
+  protected problemParser = new HDOJProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://acm.hdu.edu.cn/contests/contest_show.php*'];

src/parsers/contest/HackerEarthContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { HackerEarthProblemParser } from '../problem/HackerEarthProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class HackerEarthContestParser extends SimpleContestParser {
-  public linkSelector: string = '.problems-table .prob a, .problems-table a.track-problem-link';
-  public problemParser: Parser = new HackerEarthProblemParser();
+  protected linkSelector = '.problems-table .prob a, .problems-table a.track-problem-link';
+  protected problemParser = new HackerEarthProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://www.hackerearth.com/challenge/*/problems/'];

src/parsers/contest/HihoCoderContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { HihoCoderProblemParser } from '../problem/HihoCoderProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class HihoCoderContestParser extends SimpleContestParser {
-  public linkSelector: string = '.contest-problems td.id > a';
-  public problemParser: Parser = new HihoCoderProblemParser();
+  protected linkSelector = '.contest-problems td.id > a';
+  protected problemParser = new HihoCoderProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://hihocoder.com/contest/*/problems'];

src/parsers/contest/HydroContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { HydroProblemParser } from '../problem/HydroProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class HydroContestParser extends SimpleContestParser {
-  public linkSelector: string = '.col--problem.col--problem-name > a';
-  public problemParser: Parser = new HydroProblemParser();
+  protected linkSelector = '.col--problem.col--problem-name > a';
+  protected problemParser = new HydroProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://hydro.ac/contest/*'];

src/parsers/contest/KattisContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { KattisProblemParser } from '../problem/KattisProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class KattisContestParser extends SimpleContestParser {
-  public linkSelector: string = '#standings > thead > tr > th.problemcolheader-standings > a';
-  public problemParser: Parser = new KattisProblemParser();
+  protected linkSelector = '#standings > thead > tr > th.problemcolheader-standings > a';
+  protected problemParser = new KattisProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://open.kattis.com/contests/*'];

src/parsers/contest/LibreOJContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { LibreOJProblemParser } from '../problem/LibreOJProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class LibreOJContestParser extends SimpleContestParser {
-  public linkSelector: string = '.ui.selectable.celled.table > tbody > tr > td:nth-child(2) > a';
-  public problemParser: Parser = new LibreOJProblemParser();
+  protected linkSelector = '.ui.selectable.celled.table > tbody > tr > td:nth-child(2) > a';
+  protected problemParser = new LibreOJProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://libreoj.github.io/contest/*'];

src/parsers/contest/LuoguContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { LuoguProblemParser } from '../problem/LuoguProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class LuoguContestParser extends SimpleContestParser {
-  public linkSelector: string = 'div.title > a.title';
-  public problemParser: Parser = new LuoguProblemParser();
+  protected linkSelector = 'div.title > a.title';
+  protected problemParser = new LuoguProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://www.luogu.com.cn/contest/*', 'https://www.luogu.com.cn/training/*'];

src/parsers/contest/PEGJudgeContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { PEGJudgeProblemParser } from '../problem/PEGJudgeProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class PEGJudgeContestParser extends SimpleContestParser {
-  public linkSelector: string = '#content table tr > td:nth-child(2) a';
-  public problemParser: Parser = new PEGJudgeProblemParser();
+  protected linkSelector = '#content table tr > td:nth-child(2) a';
+  protected problemParser = new PEGJudgeProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://wcipeg.com/problems'];

src/parsers/contest/POJContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { POJProblemParser } from '../problem/POJProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class POJContestParser extends SimpleContestParser {
-  public linkSelector: string = 'div[align=center] > table tr a';
-  public problemParser: Parser = new POJProblemParser();
+  protected linkSelector = 'div[align=center] > table tr a';
+  protected problemParser = new POJProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['http://poj.org/showcontest*'];

src/parsers/contest/TimusOnlineJudgeContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { TimusOnlineJudgeProblemParser } from '../problem/TimusOnlineJudgeProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class TimusOnlineJudgeContestParser extends SimpleContestParser {
-  public linkSelector: string = '.problemset td.name > a';
-  public problemParser: Parser = new TimusOnlineJudgeProblemParser();
+  protected linkSelector = '.problemset td.name > a';
+  protected problemParser = new TimusOnlineJudgeProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://acm.timus.ru/problemset.aspx*'];

src/parsers/contest/UOJContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { UOJProblemParser } from '../problem/UOJProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class UOJContestParser extends SimpleContestParser {
-  public linkSelector: string = '.top-buffer-md > .table-responsive > .table a';
-  public problemParser: Parser = new UOJProblemParser();
+  protected linkSelector = '.top-buffer-md > .table-responsive > .table a';
+  protected problemParser = new UOJProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://uoj.ac/contest/*'];

src/parsers/contest/YandexContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { YandexProblemParser } from '../problem/YandexProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class YandexContestParser extends SimpleContestParser {
-  public linkSelector: string = 'div.page__main > div.content > ul.tabs-menu_role_problems > li > a:nth-child(1)';
-  public problemParser: Parser = new YandexProblemParser();
+  protected linkSelector = 'div.page__main > div.content > ul.tabs-menu_role_problems > li > a:nth-child(1)';
+  protected problemParser = new YandexProblemParser();
 
   public getMatchPatterns(): string[] {
     // Only available via the "Parse with" context menu as Yandex doesn't have a specific page that shows all problems

src/parsers/contest/YukicoderContestParser.ts

@@ -1,10 +1,9 @@
-import { Parser } from '../Parser';
 import { YukicoderProblemParser } from '../problem/YukicoderProblemParser';
 import { SimpleContestParser } from '../SimpleContestParser';
 
 export class YukicoderContestParser extends SimpleContestParser {
-  public linkSelector: string = '#content > .left > table > tbody > tr > td > a[href^="/problems/no"]';
-  public problemParser: Parser = new YukicoderProblemParser();
+  protected linkSelector = '#content > .left > table > tbody > tr > td > a[href^="/problems/no"]';
+  protected problemParser = new YukicoderProblemParser();
 
   public getMatchPatterns(): string[] {
     return ['https://yukicoder.me/contests/*'];