默认预览setup pose、修复播放动画时的画布缩放问题

tests/setup-pose-zoom.test.js

@@ -0,0 +1,44 @@
+'use strict';
+
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const vm = require('node:vm');
+
+const roots = ['.', 'release/UNIVERSAL_SpineViewer'];
+
+function functionBody(source, name, nextName) {
+	const start = source.indexOf(`\tfunction ${name}(`);
+	const end = source.indexOf(`\n\tfunction ${nextName}(`, start + 1);
+	assert.ok(start >= 0 && end > start, `missing function ${name}`);
+	return source.slice(start, end);
+}
+
+for (const root of roots) {
+	const viewerPath = path.join(root, 'viewer/spine.html');
+	const html = fs.readFileSync(viewerPath, 'utf8');
+	const script = html.match(/<script>([\s\S]*?)<\/script>/)[1];
+	new vm.Script(script);
+
+	assert.match(script, /const SETUP_POSE_INDEX = -1;/);
+	assert.match(script, /let currentAnim = SETUP_POSE_INDEX[\s\S]*let playing = false/);
+	assert.match(script, /setupItem\.dataset\.index = String\(SETUP_POSE_INDEX\)/);
+	assert.match(script, /showSetupPose\(\);\s*captureStableFitBounds\(\);\s*fitToCanvas\(\);/);
+	assert.match(script, /state\.clearTracks[\s\S]*skeleton\.setToSetupPose/);
+	assert.match(script, /if \(idx === SETUP_POSE_INDEX\)[\s\S]*showSetupPose\(\)/);
+
+	const fit = functionBody(script, 'fitToCanvas', 'draw');
+	assert.match(fit, /const bounds = stableFitBounds;/);
+	assert.doesNotMatch(fit, /getBounds\(/, 'wheel/resize fitting must not sample an animated frame');
+
+	const capture = functionBody(script, 'captureStableFitBounds', 'fitToCanvas');
+	assert.match(capture, /getBounds\(skeleton\)/);
+
+	const manifest = JSON.parse(fs.readFileSync(path.join(root, 'manifest.json'), 'utf8'));
+	for (const language of manifest.languages) {
+		const locale = JSON.parse(fs.readFileSync(path.join(root, '_locales', language + '.json'), 'utf8'));
+		assert.equal(locale.viewer.setupPose, 'Setup Pose', `${root}/${language} must keep the Spine term untranslated`);
+	}
+}
+
+console.log('PASS: Setup Pose is the default still frame and zoom uses stable bounds');