feat: 首页交互的

scripts/test-discovery-panel-scroll.mjs

@@ -0,0 +1,114 @@
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+
+const helperUrl = new URL("../src/utils/discoveryPanelScroll.js", import.meta.url);
+const chatMainListUrl = new URL("../src/pages/ChatMain/ChatMainList/index.vue", import.meta.url);
+const helperSource = await readFile(helperUrl, "utf8");
+const chatMainListSource = await readFile(chatMainListUrl, "utf8");
+const helperModule = await import(
+  `data:text/javascript;charset=utf-8,${encodeURIComponent(helperSource)}`
+);
+
+const {
+  canExpandDiscoveryPanelFromScroll,
+  getDiscoveryPanelCollapseState,
+} = helperModule;
+
+assert.equal(
+  getDiscoveryPanelCollapseState({
+    currentScrollTop: 24,
+    lastScrollTop: 0,
+    isCollapsed: false,
+    threshold: 16,
+  }),
+  true,
+  "scrolling up into discovery content should collapse the welcome panel"
+);
+
+assert.equal(
+  getDiscoveryPanelCollapseState({
+    currentScrollTop: 18,
+    lastScrollTop: 15,
+    isCollapsed: false,
+    threshold: 16,
+  }),
+  true,
+  "slow upward scrolling past the threshold should collapse the welcome panel"
+);
+
+assert.equal(
+  getDiscoveryPanelCollapseState({
+    currentScrollTop: 40,
+    lastScrollTop: 64,
+    isCollapsed: true,
+    threshold: 16,
+    allowExpand: true,
+  }),
+  false,
+  "scrolling down should reveal the welcome panel"
+);
+
+assert.equal(
+  getDiscoveryPanelCollapseState({
+    currentScrollTop: 40,
+    lastScrollTop: 64,
+    isCollapsed: true,
+    threshold: 16,
+    allowExpand: false,
+  }),
+  true,
+  "layout-driven reverse scroll after release should not reveal the welcome panel"
+);
+
+assert.equal(
+  getDiscoveryPanelCollapseState({
+    currentScrollTop: 63,
+    lastScrollTop: 64,
+    isCollapsed: true,
+    threshold: 16,
+  }),
+  true,
+  "small scroll jitter should keep the current panel state"
+);
+
+assert.match(
+  chatMainListSource,
+  /@touchmove\.capture="handleDiscoveryPanelTouchMove"/,
+  "discovery shell should capture touchmove before nested scroll-view consumes the gesture"
+);
+
+assert.equal(
+  canExpandDiscoveryPanelFromScroll({
+    isTouching: false,
+    touchDirection: "",
+    lastDownGestureAt: 1000,
+    now: 1400,
+    gestureRetainMs: 800,
+  }),
+  true,
+  "momentum scroll after a down gesture should still be allowed to reveal the welcome panel"
+);
+
+assert.equal(
+  canExpandDiscoveryPanelFromScroll({
+    isTouching: false,
+    touchDirection: "",
+    lastDownGestureAt: 1000,
+    now: 1901,
+    gestureRetainMs: 800,
+  }),
+  false,
+  "old reverse scroll should not be treated as an active down gesture"
+);
+
+assert.equal(
+  canExpandDiscoveryPanelFromScroll({
+    isTouching: true,
+    touchDirection: "up",
+    lastDownGestureAt: 1000,
+    now: 1200,
+    gestureRetainMs: 800,
+  }),
+  false,
+  "an active upward gesture should block reveal even if a down gesture happened earlier"
+);