rp;

hydro/lib/rank.ts

@@ -1,4 +1,4 @@
-function* ranked(diter, equ = (a, b) => a === b) {
+function* ranked<T>(diter: T[], equ = (a: T, b: T) => a === b): Generator<[number, T], void> {
     let last = null;
     let r = 0;
     let count = 0;

hydro/lib/rating.ts

@@ -1,15 +1,17 @@
+// Based on https://github.com/QAQrz/Codeforces-Rating-System/blob/master/rating.py
+
 class User {
+    uid: number;
+
     rank: number;
 
     old: number;
 
-    seed: number;
-
-    uid: number;
+    seed?: number;
 
     delta?: number;
 
-    new: number;
+    new?: number;
 
     constructor(rank: number, old: number, uid = 0) {
         this.rank = rank;
@@ -22,7 +24,7 @@ class User {
 class RatingCalculator {
     users: User[];
 
-    constructor(users) {
+    constructor(users: User[]) {
         this.users = [];
         for (const user of users) {
             this.users.push(new User(user.rank, user.old, user.uid));
@@ -106,8 +108,20 @@ interface RatingOutputUser {
 }
 
 export default function calculate(users: RatingInputUser[]): RatingOutputUser[] {
+    let last_idx = 0;
+    let last_rank = 1;
+    for (let i = 1; i < users.length; i++) {
+        if (users[i].rank > last_rank) {
+            for (let j = last_idx; j < i; j++) users[j].rank = i;
+            last_idx = i;
+            last_rank = users[i].rank;
+        }
+    }
+    for (let i = last_idx; i < users.length; i++) {
+        users[i].rank = users.length;
+    }
     const calculator = new RatingCalculator(users);
-    return calculator.calculate();
+    return calculator.calculate() as RatingOutputUser[];
 }
 
 global.Hydro.lib.rating = calculate;

hydro/lib/template.ts

@@ -2,6 +2,7 @@ import fs from 'fs';
 import path from 'path';
 import serialize from 'serialize-javascript';
 import nunjucks from 'nunjucks';
+import html2text from 'html-to-text';
 import { argv } from 'yargs';
 import * as markdown from './markdown';
 import * as misc from './misc';
@@ -37,6 +38,7 @@ class Nunjucks extends nunjucks.Environment {
         this.addFilter('assign', (self, data) => Object.assign(self, data));
         this.addFilter('markdown', (self, html = false) => markdown.render(self, html));
         this.addFilter('ansi', (self) => misc.ansiToHtml(self));
+        this.addFilter('inline', (self) => html2text.fromString(self).replace(/\n/gmi, ' '));
         this.addFilter('base64_encode', (s) => Buffer.from(s).toString('base64'));
         this.addFilter('bitand', (self, val) => self & val);
     }