修复pma 皮肤渲染

tests/atlas-pma-skin.test.js

@@ -0,0 +1,31 @@
+'use strict';
+const assert = require('node:assert/strict');
+const utils = require('../js/spine-utils');
+const render = require('../js/spine-render');
+
+assert.equal(utils.parseAtlasPma('page.png\nsize:1,1\npma:true\nregion\n'), true);
+assert.equal(utils.parseAtlasPma('page.png\r\n pma : false \r\nregion\r\n'), false);
+assert.equal(utils.parseAtlasPma('page.png\nsize:1,1\nregion\n'), undefined);
+assert.equal(utils.parseAtlasPma('page.png\npma:trueish\n'), undefined);
+
+const first = { name: 'first' }, namedDefault = { name: 'default' }, explicit = { name: 'custom' };
+assert.equal(utils.preferredSkin({ defaultSkin: explicit, skins: [first, namedDefault] }), explicit);
+assert.equal(utils.preferredSkin({ skins: [first, namedDefault] }), namedDefault);
+assert.equal(utils.preferredSkin({ skins: [first] }), first);
+assert.equal(utils.preferredSkin({ skins: [] }), null);
+
+for (const version of ['3.4', '3.5', '3.6', '3.7', '3.8', '4.0', '4.1', '4.2', '4.3']) {
+	const spine = render.loadRuntime(version);
+	const skin = new spine.Skin('visible');
+	const data = new spine.SkeletonData();
+	data.bones.push(new spine.BoneData(0, 'root', null));
+	data.slots.push(new spine.SlotData(0, 'slot', data.bones[0]));
+	data.skins.push(skin);
+	if ('defaultSkin' in data) data.defaultSkin = skin;
+	const skeleton = new spine.Skeleton(data);
+	assert.equal(utils.preferredSkin(data), skin, version + ' preferred skin');
+	assert(utils.applySkin(skeleton, skin), version + ' apply skin');
+	assert.equal(skeleton.skin, skin, version + ' active skin');
+}
+
+console.log('PASS: Atlas PMA detection and default/first skin selection across Spine 3.4–4.3');