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Improve performance when rendering many emoji

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Evan Hahn 2021-08-30 11:39:03 -05:00 • committed by GitHub
parent 6f242eca57
commit 7f50fcdb54
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3 changed files with 32 additions and 17 deletions
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18
ts/test-both/util/emoji_test.ts
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@ -28,25 +28,15 @@ describe('emoji', () => {
{ type: 'emoji', value: '😛' },
{ type: 'text', value: 'world' },
{ type: 'emoji', value: '😎' },
{ type: 'text', value: '' },
{ type: 'emoji', value: '😛' },
{ type: 'text', value: '!' },
]);
});
it('should return empty string after split at the end', () => {
assert.deepStrictEqual(splitByEmoji('hello😛'), [
{ type: 'text', value: 'hello' },
{ type: 'emoji', value: '😛' },
{ type: 'text', value: '' },
]);
});
it('should return empty string before the split at the start', () => {
assert.deepStrictEqual(splitByEmoji('😛hello'), [
{ type: 'text', value: '' },
{ type: 'emoji', value: '😛' },
{ type: 'text', value: 'hello' },
it('returns emojis as text after 5,000 emojis are found', () => {
assert.deepStrictEqual(splitByEmoji('💬'.repeat(5002)), [
...Array(5000).fill({ type: 'emoji', value: '💬' }),
{ type: 'text', value: '💬💬' },
]);
});
});