malice

import assert from 'node:assert/strict';

import { test } from 'node:test';

import { codeToHtml } from '../src/lib/code.ts';

import { mentionQueryAt, mentionedUserIds, rankPeople, resolveMentions } from '../src/lib/mentions.ts';

const alice = { user_id: '@alice:example.org', name: 'Alice Liddell', avatar: null };

const bob = { user_id: '@bob:example.org', name: 'Bob', avatar: null };

const carol = { user_id: '@carol:example.org', name: 'Carol', avatar: null };

test('finds the query under the caret only at a word start', () => {

  assert.deepEqual(mentionQueryAt('hi @al', 6), { start: 3, query: 'al' });

  assert.deepEqual(mentionQueryAt('@', 1), { start: 0, query: '' });

  assert.equal(mentionQueryAt('me@al', 5), null);

  assert.equal(mentionQueryAt('@al ice', 7), null);

});

test('ranks by name and id, skipping yourself', () => {

  assert.deepEqual(rankPeople([alice, bob, carol], 'lid', null), [alice]);

  assert.deepEqual(rankPeople([alice, bob, carol], 'bob:ex', null), [bob]);

  assert.deepEqual(rankPeople([alice, bob, carol], '', '@bob:example.org'), [alice, carol]);

});

test('keeps picked names still in the body and typed matrix ids', () => {

  const picked = [

    { user_id: alice.user_id, text: alice.name },

    { user_id: bob.user_id, text: bob.name }

  ];

  const mentions = resolveMentions('Alice Liddell and @carol:example.org', picked);

  assert.deepEqual(mentionedUserIds(mentions), ['@alice:example.org', '@carol:example.org']);

});

test('links mentions outside code', () => {

  const mentions = [{ user_id: '@a<b:example.org', text: 'A<B' }];

  assert.equal(

    codeToHtml('hey A<B `A<B`', mentions),

    'hey <a href="https://matrix.to/#/@a&lt;b:example.org">A&lt;B</a> <code>A&lt;B</code>'

  );

  assert.equal(codeToHtml('nobody here', mentions), null);

});