Ivan Fontosh
8f8eef53c9
- Optimize imported scene preview images (smart WebP/JPEG/PNG, preserve alpha, keep pixel size) - Update converter to re-encode existing image assets with same algorithm - Improve import/export progress overlay and reduce presentation slide stutter Made-with: Cursor
36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
import assert from 'node:assert/strict';
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import fs from 'node:fs/promises';
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import os from 'node:os';
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import path from 'node:path';
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import test from 'node:test';
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import sharp from 'sharp';
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import { generateScenePreviewThumbnailBytes, SCENE_PREVIEW_THUMB_MAX_PX } from './scenePreviewThumbnail';
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void test('generateScenePreviewThumbnailBytes: image scales to max edge', async () => {
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const tmp = await fs.mkdtemp(path.join(os.tmpdir(), 'dnd-thumb-test-'));
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const src = path.join(tmp, 'wide.png');
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await sharp({
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create: {
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width: 800,
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height: 400,
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channels: 3,
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background: { r: 200, g: 40, b: 40 },
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},
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})
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.png()
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.toFile(src);
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const buf = await generateScenePreviewThumbnailBytes(src, 'image');
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assert.ok(buf !== null);
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assert.ok(buf.length > 0);
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const meta = await sharp(buf).metadata();
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assert.equal(typeof meta.width, 'number');
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assert.equal(typeof meta.height, 'number');
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assert.ok(meta.width > 0 && meta.height > 0);
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assert.ok(Math.max(meta.width, meta.height) <= SCENE_PREVIEW_THUMB_MAX_PX);
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await fs.rm(tmp, { recursive: true, force: true });
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});
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