chore: add resolver test, configue vitest projects (#2400)

Author: AlbertBrand

packages/slidev/node/resolver.test.ts

@@ -0,0 +1,64 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { createResolver, getRoots } from './resolver'
+
+const vitefuMocks = vi.hoisted(() => {
+  const FAKE_ROOT = '/user/project'
+  return {
+    findDepPkgJsonPath: vi.fn((name: string) => {
+      if (name === '@slidev/client')
+        return `${FAKE_ROOT}/node_modules/@slidev/client/package.json`
+      if (name === '@slidev/theme-official')
+        return `${FAKE_ROOT}/node_modules/@slidev/theme-official/package.json`
+      if (name === 'slidev-theme-xyz')
+        return `${FAKE_ROOT}/node_modules/slidev-theme-xyz/package.json`
+      if (name === 'slidev-theme-full')
+        return `${FAKE_ROOT}/node_modules/slidev-theme-full/package.json`
+      return null
+    }),
+    findClosestPkgJsonPath: vi.fn().mockResolvedValue(`${FAKE_ROOT}/package.json`),
+  }
+})
+
+vi.mock('vitefu', () => vitefuMocks)
+
+describe('createResolver', () => {
+  beforeEach(async () => {
+    await getRoots('/user/project')
+  })
+
+  it('resolves @slidev/ official prefixed theme', async () => {
+    const resolver = createResolver('theme', {})
+
+    const res = await resolver('official', '/')
+
+    expect(res).toEqual([
+      '@slidev/theme-official',
+      '/user/project/node_modules/@slidev/theme-official',
+    ],
+    )
+  })
+
+  it('resolves slidev-theme- third party prefixed theme', async () => {
+    const resolver = createResolver('theme', {})
+
+    const res = await resolver('xyz', '/')
+
+    expect(res).toEqual([
+      'slidev-theme-xyz',
+      '/user/project/node_modules/slidev-theme-xyz',
+    ],
+    )
+  })
+
+  it('resolves fully-specified package', async () => {
+    const resolver = createResolver('theme', {})
+
+    const res = await resolver('slidev-theme-full', '/')
+
+    expect(res).toEqual([
+      'slidev-theme-full',
+      '/user/project/node_modules/slidev-theme-full',
+    ],
+    )
+  })
+})

vitest.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    projects: ['packages/*', 'test'],
+  },
+})