refactor: 收口公共AppBar组件

scripts/tests/app-bar-source.test.cjs

@@ -0,0 +1,40 @@
+const assert = require("node:assert/strict");
+const fs = require("node:fs");
+const path = require("node:path");
+
+const appBarSource = fs.readFileSync(
+  path.join(__dirname, "../../src/components/app-bar/index.tsx"),
+  "utf8"
+);
+const appBarStyles = fs.readFileSync(
+  path.join(__dirname, "../../src/components/app-bar/index.scss"),
+  "utf8"
+);
+
+function run(name, fn) {
+  try {
+    fn();
+    console.log(`PASS ${name}`);
+  } catch (error) {
+    console.error(`FAIL ${name}`);
+    throw error;
+  }
+}
+
+run("AppBar back action uses the shared back.svg asset", () => {
+  assert.match(appBarSource, /back\.svg/);
+  assert.match(appBarSource, /<Image[\s\S]*className="app-bar__back-icon"/);
+});
+
+run("AppBar back action no longer renders a text arrow", () => {
+  assert.doesNotMatch(appBarSource, /&lt;|>\s*<\s*</);
+});
+
+run("AppBar back icon uses a fixed mini-program sized constraint", () => {
+  assert.match(appBarStyles, /\.app-bar__back-icon\s*\{[\s\S]*width:\s*32rpx;/);
+  assert.match(appBarStyles, /\.app-bar__back-icon\s*\{[\s\S]*height:\s*32rpx;/);
+});
+
+run("AppBar props stay focused on title and back navigation only", () => {
+  assert.doesNotMatch(appBarSource, /subtitle\?:|eyebrow\?:|align\?:|rightText\?:|onRightAction\?:|leftSlot\?:|rightSlot\?:|bottomSlot\?:/);
+});