Improve problem name parser to handle numbers.

jest.config.js

@@ -1,3 +1,3 @@
 module.exports = {
-    verbose: false,
+    silent: true,
 };

src/companion.ts

@@ -5,7 +5,7 @@ import { saveProblem } from './parser';
 import * as vscode from 'vscode';
 import path from 'path';
 import { writeFileSync, readFileSync, existsSync } from 'fs';
-import { isCodeforcesUrl, randomId, words_in_text } from './utils';
+import { isCodeforcesUrl, randomId } from './utils';
 import {
     getDefaultLangPref,
     getLanguageId,
@@ -16,6 +16,7 @@ import {
 import { getProblemName } from './submit';
 import { spawn } from 'child_process';
 import { getJudgeViewProvider } from './extension';
+import { words_in_text } from './utilsPure';
 
 const emptyResponse: CphEmptyResponse = { empty: true };
 let savedResponse: CphEmptyResponse | CphSubmitResponse = emptyResponse;

src/tests/utilsPure.test.ts

@@ -0,0 +1,21 @@
+import { words_in_text } from '../utilsPure';
+
+describe('problem name parser', () => {
+    test('mix of latin, non latin and numbers', () => {
+        const output = ['apple', '12345', 'mango', 'India', 'こんにちは', '7'];
+        const input = 'apple 12345 mango India こんにちは 7';
+        expect(words_in_text(input)).toEqual(output);
+    });
+
+    test('just a number', () => {
+        const output = ['23'];
+        const input = '23';
+        expect(words_in_text(input)).toEqual(output);
+    });
+
+    test('just a word', () => {
+        const output = ['grapes'];
+        const input = 'grapes';
+        expect(words_in_text(input)).toEqual(output);
+    });
+});

src/utils.ts

@@ -156,8 +156,3 @@ export const getProblemForDocument = (
     const problem: Problem = JSON.parse(readFileSync(probPath).toString());
     return problem;
 };
-
-export const words_in_text = function (text: string) {
-    const regex = /[\p{L}-]+/gu;
-    return text.match(regex);
-};

src/utilsPure.ts

@@ -0,0 +1,4 @@
+export const words_in_text = function (text: string) {
+    const regex = /[\p{L}-]+|[0-9]+/gu;
+    return text.match(regex);
+};