546 lines
23 KiB
TypeScript
546 lines
23 KiB
TypeScript
/**
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* Tests for the BetterSidebar service registry: register/dispose lifecycle,
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* matchFileViewer priority/exts/detect algorithm, and openTab dedupe.
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*/
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import { describe, it, expect } from 'vitest'
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// Mock browser globals (SidebarStore.reduce → schedulePersist uses window.setTimeout)
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const g = globalThis as Record<string, unknown>
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if (g.window === undefined) {
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g.window = {
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clearTimeout: () => {},
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setTimeout: (_fn: () => void) => 0,
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innerWidth: 1024,
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}
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}
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if (g.localStorage === undefined) {
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g.localStorage = {
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getItem: () => null,
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setItem: () => {},
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}
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}
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import { createBetterSidebarService } from '../src/client/service.ts'
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import { createSidebarStore, allLeaves, openDiffTab } from '../src/client/state.ts'
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describe('BetterSidebar service', () => {
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it('registerTab adds to the registry and dispose removes it', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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expect(service.getTabs()).toHaveLength(0)
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const dispose = service.registerTab({
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id: 'test:tab',
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title: 'Test',
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component: () => null,
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})
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expect(service.getTabs()).toHaveLength(1)
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expect(service.getTab('test:tab')?.id).toBe('test:tab')
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dispose()
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expect(service.getTabs()).toHaveLength(0)
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expect(service.getTab('test:tab')).toBeUndefined()
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})
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it('registerTab throws on duplicate id', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({ id: 'dup', title: 'A', component: () => null })
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expect(() => service.registerTab({ id: 'dup', title: 'B', component: () => null })).toThrow()
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})
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it('registerFileViewer adds and dispose removes', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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expect(service.getFileViewers()).toHaveLength(0)
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const dispose = service.registerFileViewer({
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id: 'csv',
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exts: ['csv'],
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fetchStrategy: 'custom',
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component: () => null,
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})
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expect(service.getFileViewers()).toHaveLength(1)
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dispose()
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expect(service.getFileViewers()).toHaveLength(0)
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})
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it('subscribe fires on register and dispose', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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let calls = 0
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const unsub = service.subscribe(() => { calls++ })
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const dispose = service.registerTab({ id: 'x', title: 'X', component: () => null })
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expect(calls).toBe(1)
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dispose()
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expect(calls).toBe(2)
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unsub()
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service.registerTab({ id: 'y', title: 'Y', component: () => null })
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expect(calls).toBe(2)
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})
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})
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describe('enable switches (declarative settings)', () => {
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/** A fresh store + service with one tab and one viewer registered. */
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const setup = () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({ id: 'explorer', title: 'Explorer', component: () => null })
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service.registerFileViewer({ id: 'image', exts: ['png'], fetchStrategy: 'mediaUrl', component: () => null })
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return { store, service }
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}
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it('an absent map key means enabled (default state)', () => {
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const { service } = setup()
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expect(service.isTabEnabled('explorer')).toBe(true)
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expect(service.isViewerEnabled('image')).toBe(true)
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// Unknown ids are enabled too (nothing registered → the check is open).
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expect(service.isTabEnabled('whatever')).toBe(true)
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})
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it('only an explicit false disables a tab type', () => {
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const { store, service } = setup()
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store.setPrefs({ ...store.getPrefs(), tabsEnabled: { explorer: false } })
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expect(service.isTabEnabled('explorer')).toBe(false)
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store.setPrefs({ ...store.getPrefs(), tabsEnabled: { explorer: true } })
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expect(service.isTabEnabled('explorer')).toBe(true)
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})
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it('openTab refuses a disabled tab type (no tab lands, no createTab)', () => {
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const { store, service } = setup()
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store.setPrefs({ ...store.getPrefs(), tabsEnabled: { explorer: false } })
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store.setSession('s1')
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service.openTab({ type: 'explorer', title: 'Explorer' })
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const tabs = allLeaves(store.getSnapshot().state!.splits).flatMap(l => l.tabs)
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expect(tabs).toHaveLength(0)
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})
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it('matchFileViewer skips a disabled viewer (files fall through)', () => {
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const { store, service } = setup()
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service.registerFileViewer({ id: 'code', exts: [], priority: -100, fetchStrategy: 'fsRead', component: () => null })
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// image claims .png; disabling it lets the catch-all take over.
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expect(service.matchFileViewer('photo.png')?.id).toBe('image')
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store.setPrefs({ ...store.getPrefs(), viewersEnabled: { image: false } })
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expect(service.matchFileViewer('photo.png')?.id).toBe('code')
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// Disabling the catch-all too → no viewer at all.
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store.setPrefs({ ...store.getPrefs(), viewersEnabled: { image: false, code: false } })
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expect(service.matchFileViewer('photo.png')).toBeUndefined()
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// Re-enabling restores the image viewer.
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store.setPrefs({ ...store.getPrefs(), viewersEnabled: {} })
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expect(service.matchFileViewer('photo.png')?.id).toBe('image')
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})
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})
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describe('matchFileViewer', () => {
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it('matches by extension', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerFileViewer({ id: 'img', exts: ['png', 'jpg'], fetchStrategy: 'mediaUrl', component: () => null })
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expect(service.matchFileViewer('photo.png')?.id).toBe('img')
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expect(service.matchFileViewer('photo.JPG')?.id).toBe('img')
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expect(service.matchFileViewer('doc.txt')).toBeUndefined()
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})
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it('higher priority wins on extension conflict', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerFileViewer({ id: 'basic', exts: ['png'], priority: 0, fetchStrategy: 'mediaUrl', component: () => null })
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service.registerFileViewer({ id: 'advanced', exts: ['png'], priority: 10, fetchStrategy: 'custom', component: () => null })
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expect(service.matchFileViewer('x.png')?.id).toBe('advanced')
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})
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it('catch-all (exts: []) matches anything at lowest priority', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerFileViewer({ id: 'catchall', exts: [], priority: -100, fetchStrategy: 'fsRead', component: () => null })
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service.registerFileViewer({ id: 'img', exts: ['png'], priority: 0, fetchStrategy: 'mediaUrl', component: () => null })
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expect(service.matchFileViewer('x.png')?.id).toBe('img')
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expect(service.matchFileViewer('x.txt')?.id).toBe('catchall')
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})
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it('detect claims files the viewer would otherwise miss, at its priority', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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// by-magic does not match 'bin' by extension; only its detect (PNG magic)
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// can claim it — and only when head bytes are available.
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service.registerFileViewer({ id: 'by-ext', exts: ['bin'], priority: 5, fetchStrategy: 'fsRead', component: () => null })
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service.registerFileViewer({
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id: 'by-magic',
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exts: ['mag'],
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priority: 10,
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fetchStrategy: 'fsRead',
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detect: (_path, head) => head[0] === 0x89,
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component: () => null,
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})
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// No head: by-magic's exts miss, by-ext claims .bin.
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expect(service.matchFileViewer('file.bin')?.id).toBe('by-ext')
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// Head with PNG magic: by-magic's detect fires at priority 10 before
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// by-ext (5) is consulted.
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expect(service.matchFileViewer('file.bin', new Uint8Array([0x89, 0x50]))?.id).toBe('by-magic')
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// Head without the magic: detect misses, by-ext claims .bin again.
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expect(service.matchFileViewer('file.bin', new Uint8Array([0x00, 0x50]))?.id).toBe('by-ext')
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})
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it('priority decides first: a higher-priority exts match beats a lower-priority detect', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerFileViewer({ id: 'by-ext', exts: ['bin'], priority: 10, fetchStrategy: 'fsRead', component: () => null })
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service.registerFileViewer({
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id: 'by-magic',
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exts: ['mag'],
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priority: 5,
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fetchStrategy: 'fsRead',
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detect: (_path, head) => head[0] === 0x89,
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component: () => null,
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})
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// Per-descriptor walk: by-ext (priority 10) claims .bin before by-magic's
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// detect (priority 5) is ever consulted — the design's priority-first rule.
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expect(service.matchFileViewer('file.bin', new Uint8Array([0x89, 0x50]))?.id).toBe('by-ext')
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})
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it('a catch-all with detect is sniff-only: it never blind-claims without head', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerFileViewer({ id: 'img', exts: ['png'], priority: 0, fetchStrategy: 'mediaUrl', component: () => null })
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service.registerFileViewer({
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id: 'magic-sniffer',
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exts: [],
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priority: 100,
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fetchStrategy: 'custom',
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detect: (_path, head) => head[0] === 0x89,
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component: () => null,
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})
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// No head: the sniff-only catch-all yields — the real png viewer wins.
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expect(service.matchFileViewer('photo.png')?.id).toBe('img')
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// Head with the magic: the sniffer claims it (detect at priority 100).
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expect(service.matchFileViewer('photo.png', new Uint8Array([0x89, 0x50]))?.id).toBe('magic-sniffer')
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// Head without the magic: the sniffer yields again, img claims it.
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expect(service.matchFileViewer('photo.png', new Uint8Array([0x00, 0x50]))?.id).toBe('img')
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})
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it('returns undefined when no viewer matches and no catch-all', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerFileViewer({ id: 'img', exts: ['png'], fetchStrategy: 'mediaUrl', component: () => null })
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expect(service.matchFileViewer('doc.txt')).toBeUndefined()
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})
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})
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describe('service.openTab dedupe', () => {
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it('dedupeKey focuses existing tab instead of duplicating', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({
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id: 'singleton',
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title: 'Singleton',
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dedupeKey: () => 'singleton',
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component: () => null,
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})
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store.setSession('s1')
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service.openTab({ type: 'singleton', title: 'Singleton' })
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service.openTab({ type: 'singleton', title: 'Singleton' })
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const state = store.getSnapshot().state!
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const tabs = allLeaves(state.splits).flatMap(l => l.tabs)
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expect(tabs.filter(t => t.type === 'singleton')).toHaveLength(1)
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})
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it('no dedupeKey opens a new tab for each distinct id', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({
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id: 'multi',
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title: 'Multi',
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component: () => null,
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})
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store.setSession('s1')
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service.openTab({ type: 'multi', title: 'Multi', id: 'multi:1' })
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service.openTab({ type: 'multi', title: 'Multi', id: 'multi:2' })
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const state = store.getSnapshot().state!
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const tabs = allLeaves(state.splits).flatMap(l => l.tabs)
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expect(tabs.filter(t => t.type === 'multi')).toHaveLength(2)
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})
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it('reopening with the same id focuses the existing tab (id safety net)', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({
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id: 'multi',
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title: 'Multi',
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component: () => null,
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})
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store.setSession('s1')
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service.openTab({ type: 'multi', title: 'Multi', id: 'multi:1' })
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service.openTab({ type: 'multi', title: 'Multi', id: 'multi:1' })
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const state = store.getSnapshot().state!
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const tabs = allLeaves(state.splits).flatMap(l => l.tabs)
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expect(tabs.filter(t => t.type === 'multi')).toHaveLength(1)
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})
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it('createTab mints custom ids and patches state', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({
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id: 'counter',
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title: 'Counter',
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createTab: (state) => ({
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tab: { id: `counter:${state.nextTerminal}`, type: 'counter', title: `C${state.nextTerminal}` },
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patch: { nextTerminal: state.nextTerminal + 1 },
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}),
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component: () => null,
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})
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store.setSession('s1')
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service.openTab({ type: 'counter', title: 'Counter' })
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service.openTab({ type: 'counter', title: 'Counter' })
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const state = store.getSnapshot().state!
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const tabs = allLeaves(state.splits).flatMap(l => l.tabs).filter(t => t.type === 'counter')
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expect(tabs).toHaveLength(2)
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expect(tabs[0]!.id).toBe('counter:1')
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expect(tabs[1]!.id).toBe('counter:2')
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expect(state.nextTerminal).toBe(3)
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})
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it('a caller-provided title wins over the descriptor title (editor shows the file name)', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({ id: 'editor', title: () => 'Editor', component: () => null })
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store.setSession('s1')
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service.openTab({ type: 'editor', title: 'main.ts', path: '/p/main.ts' })
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const state = store.getSnapshot().state!
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const tab = allLeaves(state.splits).flatMap(l => l.tabs).find(t => t.type === 'editor')
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expect(tab?.title).toBe('main.ts')
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})
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it('a url seed lands the tab with its path pre-set (the sidebar-browser navigation seed)', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({
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id: 'browser',
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title: () => 'Browser',
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createTab: (state) => ({
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tab: { id: `browser:${state.nextBrowser}`, type: 'browser', title: 'Browser' },
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patch: { nextBrowser: state.nextBrowser + 1 },
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}),
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component: () => null,
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})
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store.setSession('s1')
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service.openTab({ type: 'browser', url: 'https://example.com/x', title: 'example.com' })
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const state = store.getSnapshot().state!
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const tab = allLeaves(state.splits).flatMap(l => l.tabs).find(t => t.type === 'browser')
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expect(tab?.id).toBe('browser:1')
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expect(tab?.path).toBe('https://example.com/x')
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expect(tab?.title).toBe('example.com')
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expect(state.nextBrowser).toBe(2)
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})
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it('the descriptor title is the default when no title is given', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({ id: 'plain', title: () => 'Plain', component: () => null })
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store.setSession('s1')
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service.openTab({ type: 'plain' })
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const state = store.getSnapshot().state!
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const tab = allLeaves(state.splits).flatMap(l => l.tabs).find(t => t.type === 'plain')
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expect(tab?.title).toBe('Plain')
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})
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it('single: true dedupes like dedupeKey: () => id (sugar)', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({ id: 'singleton', title: 'Singleton', single: true, component: () => null })
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store.setSession('s1')
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service.openTab({ type: 'singleton' })
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service.openTab({ type: 'singleton', id: 'singleton:extra' })
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const state = store.getSnapshot().state!
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const tabs = allLeaves(state.splits).flatMap(l => l.tabs).filter(t => t.type === 'singleton')
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expect(tabs).toHaveLength(1)
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})
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it('an explicit dedupeKey wins over single: true', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({
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id: 'multi',
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title: 'Multi',
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single: true,
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dedupeKey: (tab) => tab.id, // per-id, not per-type: two tabs coexist
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component: () => null,
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})
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store.setSession('s1')
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service.openTab({ type: 'multi', id: 'multi:1' })
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service.openTab({ type: 'multi', id: 'multi:2' })
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const state = store.getSnapshot().state!
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const tabs = allLeaves(state.splits).flatMap(l => l.tabs).filter(t => t.type === 'multi')
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expect(tabs).toHaveLength(2)
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service.openTab({ type: 'multi', id: 'multi:1' })
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const state2 = store.getSnapshot().state!
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const tabs2 = allLeaves(state2.splits).flatMap(l => l.tabs).filter(t => t.type === 'multi')
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expect(tabs2).toHaveLength(2)
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})
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it('available receives ctx, scope and the live state (superset signature)', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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const seen: unknown[] = []
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service.registerTab({
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id: 'gated',
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title: 'Gated',
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available: (ctx, scope, state) => {
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seen.push([ctx, scope, state])
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return true
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},
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component: () => null,
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})
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store.setSession('s1')
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expect(service.getTabs()[0]!.available?.({} as never, { sessionId: 's1', cwd: '/p' }, store.getSnapshot().state!)).toBe(true)
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expect(seen).toHaveLength(1)
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})
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it('openDiffTab and the service dedupeKey agree on diff identity (per-change id rule)', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
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service.registerTab({
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id: 'diff',
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title: 'Diff',
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dedupeKey: (tab) => tab.id,
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component: () => null,
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})
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store.setSession('s1')
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const seed = { kind: 'worktree' as const, path: '/p/a.ts', staged: false }
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const paneId = store.getSnapshot().state!.activePane!
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// The git view's placement path (split surgery) opens the diff tab...
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store.reduce(s => openDiffTab(s, paneId, { id: 'diff:1', type: 'diff', title: 'a.ts', diff: seed }))
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// ...and a service open of the same change focuses the existing tab
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// (the descriptor's dedupeKey is the same per-change id rule).
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service.openTab({ type: 'diff', title: 'a.ts', diff: seed, id: 'diff:1' })
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const state = store.getSnapshot().state!
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const tabs = allLeaves(state.splits).flatMap(l => l.tabs).filter(t => t.type === 'diff')
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expect(tabs).toHaveLength(1)
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})
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})
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describe('service.openTab across the two panels', () => {
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it('openTab lands in the bottom tree when the active pane lives there', () => {
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const store = createSidebarStore()
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const service = createBetterSidebarService(store)
|
||
service.registerTab({ id: 'git', title: 'Git', component: () => null })
|
||
store.setSession('s1')
|
||
store.reduce(s => ({ ...s, activePane: (s.bottomSplits as { id: string }).id }))
|
||
service.openTab({ type: 'git', title: 'Git' })
|
||
const state = store.getSnapshot().state!
|
||
expect(allLeaves(state.bottomSplits).flatMap(l => l.tabs).some(t => t.type === 'git')).toBe(true)
|
||
expect(allLeaves(state.splits).flatMap(l => l.tabs).some(t => t.type === 'git')).toBe(false)
|
||
})
|
||
|
||
it('dedupeKey focuses an existing instance in the OTHER tree (single-instance across panels)', () => {
|
||
const store = createSidebarStore()
|
||
const service = createBetterSidebarService(store)
|
||
service.registerTab({
|
||
id: 'singleton',
|
||
title: 'Singleton',
|
||
single: true,
|
||
component: () => null,
|
||
})
|
||
store.setSession('s1')
|
||
// Open in the right tree first.
|
||
service.openTab({ type: 'singleton', title: 'Singleton' })
|
||
// Switch the active pane to the bottom tree and open again: the dedupe
|
||
// scan covers both trees, so the existing instance is focused, not
|
||
// duplicated in the bottom panel.
|
||
store.reduce(s => ({ ...s, activePane: (s.bottomSplits as { id: string }).id }))
|
||
service.openTab({ type: 'singleton', title: 'Singleton' })
|
||
const state = store.getSnapshot().state!
|
||
const total = allLeaves(state.splits).concat(allLeaves(state.bottomSplits))
|
||
.flatMap(l => l.tabs).filter(t => t.type === 'singleton')
|
||
expect(total).toHaveLength(1)
|
||
})
|
||
|
||
it('closeTab by id closes a tab living in the bottom tree', () => {
|
||
const store = createSidebarStore()
|
||
const service = createBetterSidebarService(store)
|
||
service.registerTab({ id: 'git', title: 'Git', component: () => null })
|
||
store.setSession('s1')
|
||
store.reduce(s => ({ ...s, activePane: (s.bottomSplits as { id: string }).id }))
|
||
service.openTab({ type: 'git', title: 'Git' })
|
||
const state = store.getSnapshot().state!
|
||
const gitTab = allLeaves(state.bottomSplits).flatMap(l => l.tabs).find(t => t.type === 'git')!
|
||
service.closeTab(gitTab.id)
|
||
const after = store.getSnapshot().state!
|
||
expect(allLeaves(after.bottomSplits).flatMap(l => l.tabs).some(t => t.id === gitTab.id)).toBe(false)
|
||
})
|
||
})
|
||
|
||
describe('service.openTab narrow-viewport auto-expand', () => {
|
||
/** The window stub is a plain object (see the file header), so the width is writable. */
|
||
const setWidth = (width: number): void => {
|
||
;(g.window as { innerWidth: number }).innerWidth = width
|
||
}
|
||
|
||
it('expands the collapsed drawer for a path (file) open on a narrow viewport', () => {
|
||
setWidth(390)
|
||
try {
|
||
const store = createSidebarStore()
|
||
const service = createBetterSidebarService(store)
|
||
service.registerTab({ id: 'editor', title: 'Editor', component: () => null })
|
||
store.setSession('s1')
|
||
store.reduce(s => ({ ...s, panelOpen: false }))
|
||
service.openTab({ type: 'editor', title: 'main.ts', path: '/p/main.ts' })
|
||
expect(store.getSnapshot().state?.panelOpen).toBe(true)
|
||
} finally {
|
||
setWidth(1024)
|
||
}
|
||
})
|
||
|
||
it('expands the collapsed drawer for a URL (browser) open on a narrow viewport', () => {
|
||
setWidth(390)
|
||
try {
|
||
const store = createSidebarStore()
|
||
const service = createBetterSidebarService(store)
|
||
service.registerTab({ id: 'browser', title: 'Browser', component: () => null })
|
||
store.setSession('s1')
|
||
store.reduce(s => ({ ...s, panelOpen: false }))
|
||
service.openTab({ type: 'browser', url: 'https://example.com', title: 'example.com' })
|
||
expect(store.getSnapshot().state?.panelOpen).toBe(true)
|
||
} finally {
|
||
setWidth(1024)
|
||
}
|
||
})
|
||
|
||
it('keeps a collapsed drawer for a type-only open on a narrow viewport', () => {
|
||
setWidth(390)
|
||
try {
|
||
const store = createSidebarStore()
|
||
const service = createBetterSidebarService(store)
|
||
service.registerTab({ id: 'explorer', title: 'Explorer', component: () => null })
|
||
store.setSession('s1')
|
||
store.reduce(s => ({ ...s, panelOpen: false }))
|
||
service.openTab({ type: 'explorer', title: 'Explorer' })
|
||
expect(store.getSnapshot().state?.panelOpen).toBe(false)
|
||
} finally {
|
||
setWidth(1024)
|
||
}
|
||
})
|
||
|
||
it('never expands on a wide viewport (path open keeps the caller’s choice)', () => {
|
||
const store = createSidebarStore()
|
||
const service = createBetterSidebarService(store)
|
||
service.registerTab({ id: 'editor', title: 'Editor', component: () => null })
|
||
store.setSession('s1')
|
||
store.reduce(s => ({ ...s, panelOpen: false }))
|
||
service.openTab({ type: 'editor', title: 'main.ts', path: '/p/main.ts' })
|
||
expect(store.getSnapshot().state?.panelOpen).toBe(false)
|
||
})
|
||
|
||
it('expands on a narrow viewport even when the open focuses an existing tab (id dedupe)', () => {
|
||
setWidth(390)
|
||
try {
|
||
const store = createSidebarStore()
|
||
const service = createBetterSidebarService(store)
|
||
service.registerTab({ id: 'editor', title: 'Editor', component: () => null })
|
||
store.setSession('s1')
|
||
service.openTab({ type: 'editor', title: 'main.ts', path: '/p/main.ts' })
|
||
store.reduce(s => ({ ...s, panelOpen: false }))
|
||
service.openTab({ type: 'editor', title: 'main.ts', path: '/p/main.ts' })
|
||
expect(store.getSnapshot().state?.panelOpen).toBe(true)
|
||
} finally {
|
||
setWidth(1024)
|
||
}
|
||
})
|
||
})
|