✨ feat(vscode): 代码阅读函数块默认折叠，函数说明进属性表「说明」行

vscode/webview-ui/src/codeReader/reveal.test.ts

@@ -1,6 +1,7 @@
 import type { BlockKind, BlockView, PropertyRow, Segment } from './types'
 import { describe, expect, it } from 'vitest'
 import { revealPlan, scrollTopToShow } from './reveal'
+import { collapsedIds } from './viewState'
 
 function name(text: string, offset: number): Segment {
   return { text, role: 'variable', offset }
@@ -63,6 +64,14 @@ describe('跳到定义：滚到哪块、展开哪些', () => {
     expect(revealPlan(BLOCKS, 20, 999)).toEqual({ id: '2', expand: [] })
   })
 
+  it('函数块默认折叠：目标在函数体里时，要展开的块里有这个函数；展开过一次就记住，不再挡着', () => {
+    const plan = revealPlan(BLOCKS, 4, 102)
+    const hidden = (folds: Record<string, boolean>): string[] => plan?.expand.filter(id => collapsedIds(BLOCKS, folds).has(id)) ?? []
+    expect(hidden({})).toEqual(['1'])
+    expect(hidden({ 1: false })).toEqual([])
+    expect(hidden({ '1': false, '1.0': true })).toEqual(['1.0'])
+  })
+
   it('按行找：同一行有几块取外层那块；行在所有块之前取第一块；没有块时没有目标', () => {
     const sameLine = [textBlock('0', 'if', 1, [word('如果')], [textBlock('0.0', 'return', 1, [word('返回')])])]
     expect(revealPlan(sameLine, 1, 999)).toEqual({ id: '0', expand: [] })