e8e9b00f81
fix #3255
730 lines
19 KiB
TypeScript
730 lines
19 KiB
TypeScript
import {
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createApp,
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h,
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createCommentVNode,
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resolveComponent,
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ComponentOptions,
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ref,
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defineComponent,
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createTextVNode,
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createStaticVNode,
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KeepAlive,
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withCtx
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} from 'vue'
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import { escapeHtml } from '@vue/shared'
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import { renderToString } from '../src/renderToString'
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import { renderToStream as _renderToStream } from '../src/renderToStream'
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import { ssrRenderSlot, SSRSlot } from '../src/helpers/ssrRenderSlot'
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import { ssrRenderComponent } from '../src/helpers/ssrRenderComponent'
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import { Readable } from 'stream'
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const promisifyStream = (stream: Readable) => {
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return new Promise<string>((resolve, reject) => {
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let result = ''
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stream.on('data', data => {
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result += data
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})
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stream.on('error', () => {
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reject(result)
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})
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stream.on('end', () => {
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resolve(result)
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})
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})
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}
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const renderToStream = (app: any, context?: any) =>
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promisifyStream(_renderToStream(app, context))
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// we run the same tests twice, once for renderToString, once for renderToStream
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testRender(`renderToString`, renderToString)
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testRender(`renderToStream`, renderToStream)
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function testRender(type: string, render: typeof renderToString) {
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describe(`ssr: ${type}`, () => {
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test('should apply app context', async () => {
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const app = createApp({
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render() {
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const Foo = resolveComponent('foo') as ComponentOptions
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return h(Foo)
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}
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})
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app.component('foo', {
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render: () => h('div', 'foo')
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})
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const html = await render(app)
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expect(html).toBe(`<div>foo</div>`)
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})
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describe('components', () => {
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test('vnode components', async () => {
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expect(
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await render(
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createApp({
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data() {
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return { msg: 'hello' }
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},
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render(this: any) {
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return h('div', this.msg)
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}
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})
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)
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).toBe(`<div>hello</div>`)
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})
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test('option components returning render from setup', async () => {
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expect(
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await render(
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createApp({
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setup() {
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const msg = ref('hello')
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return () => h('div', msg.value)
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}
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})
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)
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).toBe(`<div>hello</div>`)
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})
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test('setup components returning render from setup', async () => {
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expect(
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await render(
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createApp(
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defineComponent(() => {
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const msg = ref('hello')
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return () => h('div', msg.value)
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})
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)
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)
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).toBe(`<div>hello</div>`)
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})
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test('optimized components', async () => {
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expect(
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await render(
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createApp({
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data() {
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return { msg: 'hello' }
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},
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ssrRender(ctx, push) {
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push(`<div>${ctx.msg}</div>`)
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}
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})
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)
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).toBe(`<div>hello</div>`)
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})
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test('nested vnode components', async () => {
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const Child = {
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props: ['msg'],
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render(this: any) {
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return h('div', this.msg)
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}
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}
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expect(
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await render(
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createApp({
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render() {
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return h('div', ['parent', h(Child, { msg: 'hello' })])
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}
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})
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)
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).toBe(`<div>parent<div>hello</div></div>`)
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})
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test('nested optimized components', async () => {
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const Child = {
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props: ['msg'],
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ssrRender(ctx: any, push: any) {
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push(`<div>${ctx.msg}</div>`)
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}
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}
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expect(
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await render(
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createApp({
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ssrRender(_ctx, push, parent) {
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push(`<div>parent`)
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push(ssrRenderComponent(Child, { msg: 'hello' }, null, parent))
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push(`</div>`)
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}
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})
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)
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).toBe(`<div>parent<div>hello</div></div>`)
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})
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test('nested template components', async () => {
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const Child = {
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props: ['msg'],
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template: `<div>{{ msg }}</div>`
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}
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const app = createApp({
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template: `<div>parent<Child msg="hello" /></div>`
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})
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app.component('Child', Child)
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expect(await render(app)).toBe(`<div>parent<div>hello</div></div>`)
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})
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test('template components with dynamic class attribute after static', async () => {
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const app = createApp({
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template: `<div><div class="child" :class="'dynamic'"></div></div>`
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})
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expect(await render(app)).toBe(
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`<div><div class="dynamic child"></div></div>`
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)
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})
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test('template components with dynamic class attribute before static', async () => {
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const app = createApp({
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template: `<div><div :class="'dynamic'" class="child"></div></div>`
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})
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expect(await render(app)).toBe(
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`<div><div class="dynamic child"></div></div>`
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)
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})
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test('mixing optimized / vnode / template components', async () => {
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const OptimizedChild = {
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props: ['msg'],
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ssrRender(ctx: any, push: any) {
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push(`<div>${ctx.msg}</div>`)
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}
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}
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const VNodeChild = {
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props: ['msg'],
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render(this: any) {
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return h('div', this.msg)
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}
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}
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const TemplateChild = {
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props: ['msg'],
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template: `<div>{{ msg }}</div>`
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}
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expect(
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await render(
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createApp({
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ssrRender(_ctx, push, parent) {
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push(`<div>parent`)
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push(
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ssrRenderComponent(
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OptimizedChild,
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{ msg: 'opt' },
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null,
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parent
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)
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)
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push(
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ssrRenderComponent(VNodeChild, { msg: 'vnode' }, null, parent)
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)
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push(
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ssrRenderComponent(
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TemplateChild,
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{ msg: 'template' },
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null,
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parent
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)
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)
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push(`</div>`)
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}
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})
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)
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).toBe(
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`<div>parent<div>opt</div><div>vnode</div><div>template</div></div>`
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)
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})
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test('async components', async () => {
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const Child = {
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// should wait for resolved render context from setup()
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async setup() {
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return {
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msg: 'hello'
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}
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},
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ssrRender(ctx: any, push: any) {
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push(`<div>${ctx.msg}</div>`)
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}
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}
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expect(
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await render(
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createApp({
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ssrRender(_ctx, push, parent) {
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push(`<div>parent`)
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push(ssrRenderComponent(Child, null, null, parent))
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push(`</div>`)
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}
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})
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)
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).toBe(`<div>parent<div>hello</div></div>`)
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})
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test('parallel async components', async () => {
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const OptimizedChild = {
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props: ['msg'],
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async setup(props: any) {
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return {
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localMsg: props.msg + '!'
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}
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},
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ssrRender(ctx: any, push: any) {
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push(`<div>${ctx.localMsg}</div>`)
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}
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}
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const VNodeChild = {
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props: ['msg'],
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async setup(props: any) {
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return {
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localMsg: props.msg + '!'
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}
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},
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render(this: any) {
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return h('div', this.localMsg)
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}
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}
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expect(
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await render(
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createApp({
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ssrRender(_ctx, push, parent) {
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push(`<div>parent`)
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push(
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ssrRenderComponent(
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OptimizedChild,
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{ msg: 'opt' },
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null,
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parent
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)
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)
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push(
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ssrRenderComponent(VNodeChild, { msg: 'vnode' }, null, parent)
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)
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push(`</div>`)
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}
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})
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)
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).toBe(`<div>parent<div>opt!</div><div>vnode!</div></div>`)
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})
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})
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describe('slots', () => {
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test('nested components with optimized slots', async () => {
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const Child = {
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props: ['msg'],
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ssrRender(ctx: any, push: any, parent: any) {
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push(`<div class="child">`)
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ssrRenderSlot(
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ctx.$slots,
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'default',
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{ msg: 'from slot' },
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() => {
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push(`fallback`)
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},
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push,
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parent
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)
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push(`</div>`)
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}
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}
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expect(
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await render(
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createApp({
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ssrRender(_ctx, push, parent) {
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push(`<div>parent`)
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push(
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ssrRenderComponent(
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Child,
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{ msg: 'hello' },
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{
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// optimized slot using string push
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default: (({ msg }, push, _p) => {
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push(`<span>${msg}</span>`)
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}) as SSRSlot,
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// important to avoid slots being normalized
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_: 1 as any
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},
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parent
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)
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)
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push(`</div>`)
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}
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})
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)
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).toBe(
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`<div>parent<div class="child">` +
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`<!--[--><span>from slot</span><!--]-->` +
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`</div></div>`
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)
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// test fallback
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expect(
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await render(
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createApp({
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ssrRender(_ctx, push, parent) {
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push(`<div>parent`)
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push(ssrRenderComponent(Child, { msg: 'hello' }, null, parent))
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push(`</div>`)
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}
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})
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)
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).toBe(
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`<div>parent<div class="child"><!--[-->fallback<!--]--></div></div>`
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)
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})
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test('nested components with vnode slots', async () => {
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const Child = {
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props: ['msg'],
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ssrRender(ctx: any, push: any, parent: any) {
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push(`<div class="child">`)
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ssrRenderSlot(
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ctx.$slots,
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'default',
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{ msg: 'from slot' },
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null,
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push,
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parent
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)
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push(`</div>`)
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}
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}
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expect(
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await render(
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createApp({
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ssrRender(_ctx, push, parent) {
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push(`<div>parent`)
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push(
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ssrRenderComponent(
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Child,
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{ msg: 'hello' },
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{
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// bailed slots returning raw vnodes
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default: ({ msg }: any) => {
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return h('span', msg)
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}
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},
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parent
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)
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)
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push(`</div>`)
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}
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})
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)
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).toBe(
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`<div>parent<div class="child">` +
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`<!--[--><span>from slot</span><!--]-->` +
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`</div></div>`
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)
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})
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test('nested components with template slots', async () => {
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const Child = {
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props: ['msg'],
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template: `<div class="child"><slot msg="from slot"></slot></div>`
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}
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const app = createApp({
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components: { Child },
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template: `<div>parent<Child v-slot="{ msg }"><span>{{ msg }}</span></Child></div>`
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})
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expect(await render(app)).toBe(
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`<div>parent<div class="child">` +
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`<!--[--><span>from slot</span><!--]-->` +
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`</div></div>`
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)
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})
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test('nested render fn components with template slots', async () => {
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const Child = {
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props: ['msg'],
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render(this: any) {
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return h(
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'div',
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{
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class: 'child'
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},
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this.$slots.default({ msg: 'from slot' })
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)
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}
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}
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const app = createApp({
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template: `<div>parent<Child v-slot="{ msg }"><span>{{ msg }}</span></Child></div>`
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})
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app.component('Child', Child)
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expect(await render(app)).toBe(
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`<div>parent<div class="child">` +
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// no comment anchors because slot is used directly as element children
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`<span>from slot</span>` +
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`</div></div>`
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)
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})
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test('template slots forwarding', async () => {
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const Child = {
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template: `<div><slot/></div>`
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}
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const Parent = {
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components: { Child },
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template: `<Child><slot/></Child>`
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}
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const app = createApp({
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components: { Parent },
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template: `<Parent>hello</Parent>`
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})
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expect(await render(app)).toBe(
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`<div><!--[--><!--[-->hello<!--]--><!--]--></div>`
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)
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})
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test('template slots forwarding, empty slot', async () => {
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const Child = {
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template: `<div><slot/></div>`
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}
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const Parent = {
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components: { Child },
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template: `<Child><slot/></Child>`
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}
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const app = createApp({
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components: { Parent },
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template: `<Parent></Parent>`
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})
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expect(await render(app)).toBe(
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// should only have a single fragment
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`<div><!--[--><!--]--></div>`
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)
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})
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test('template slots forwarding, empty slot w/ fallback', async () => {
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const Child = {
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template: `<div><slot>fallback</slot></div>`
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}
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const Parent = {
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components: { Child },
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template: `<Child><slot/></Child>`
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}
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const app = createApp({
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components: { Parent },
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template: `<Parent></Parent>`
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})
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expect(await render(app)).toBe(
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// should only have a single fragment
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`<div><!--[-->fallback<!--]--></div>`
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)
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})
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})
|
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describe('vnode element', () => {
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test('props', async () => {
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expect(
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await render(h('div', { id: 'foo&', class: ['bar', 'baz'] }, 'hello'))
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).toBe(`<div id="foo&" class="bar baz">hello</div>`)
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})
|
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test('text children', async () => {
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expect(await render(h('div', 'hello'))).toBe(`<div>hello</div>`)
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})
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test('array children', async () => {
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expect(
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await render(
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h('div', [
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'foo',
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h('span', 'bar'),
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[h('span', 'baz')],
|
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createCommentVNode('qux')
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])
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)
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).toBe(
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`<div>foo<span>bar</span><!--[--><span>baz</span><!--]--><!--qux--></div>`
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)
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})
|
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|
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test('void elements', async () => {
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expect(await render(h('input'))).toBe(`<input>`)
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})
|
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|
|
test('innerHTML', async () => {
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expect(
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await render(
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h(
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'div',
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{
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innerHTML: `<span>hello</span>`
|
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},
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'ignored'
|
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)
|
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)
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).toBe(`<div><span>hello</span></div>`)
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})
|
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|
|
test('textContent', async () => {
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expect(
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await render(
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h(
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'div',
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{
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textContent: `<span>hello</span>`
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},
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'ignored'
|
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)
|
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)
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).toBe(`<div>${escapeHtml(`<span>hello</span>`)}</div>`)
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})
|
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|
|
test('textarea value', async () => {
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expect(
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await render(
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h(
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'textarea',
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{
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value: `<span>hello</span>`
|
|
},
|
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'ignored'
|
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)
|
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)
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).toBe(`<textarea>${escapeHtml(`<span>hello</span>`)}</textarea>`)
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})
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})
|
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|
|
describe('vnode component', () => {
|
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test('KeepAlive', async () => {
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const MyComp = {
|
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render: () => h('p', 'hello')
|
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}
|
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expect(await render(h(KeepAlive, () => h(MyComp)))).toBe(
|
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`<!--[--><p>hello</p><!--]-->`
|
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)
|
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})
|
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})
|
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describe('raw vnode types', () => {
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|
test('Text', async () => {
|
|
expect(await render(createTextVNode('hello <div>'))).toBe(
|
|
`hello <div>`
|
|
)
|
|
})
|
|
|
|
test('Comment', async () => {
|
|
// https://www.w3.org/TR/html52/syntax.html#comments
|
|
expect(
|
|
await render(
|
|
h('div', [
|
|
createCommentVNode('>foo'),
|
|
createCommentVNode('->foo'),
|
|
createCommentVNode('<!--foo-->'),
|
|
createCommentVNode('--!>foo<!-')
|
|
])
|
|
)
|
|
).toBe(`<div><!--foo--><!--foo--><!--foo--><!--foo--></div>`)
|
|
})
|
|
|
|
test('Static', async () => {
|
|
const content = `<div id="ok">hello<span>world</span></div>`
|
|
expect(await render(createStaticVNode(content, 1))).toBe(content)
|
|
})
|
|
})
|
|
|
|
describe('scopeId', () => {
|
|
// note: here we are only testing scopeId handling for vdom serialization.
|
|
// compiled srr render functions will include scopeId directly in strings.
|
|
|
|
test('basic', async () => {
|
|
const Foo = {
|
|
__scopeId: 'data-v-test',
|
|
render() {
|
|
return h('div')
|
|
}
|
|
}
|
|
expect(await render(h(Foo))).toBe(`<div data-v-test></div>`)
|
|
})
|
|
|
|
test('with slots', async () => {
|
|
const Child = {
|
|
__scopeId: 'data-v-child',
|
|
render: function(this: any) {
|
|
return h('div', this.$slots.default())
|
|
}
|
|
}
|
|
|
|
const Parent = {
|
|
__scopeId: 'data-v-test',
|
|
render: () => {
|
|
return h(Child, null, {
|
|
default: withCtx(() => h('span', 'slot'))
|
|
})
|
|
}
|
|
}
|
|
|
|
expect(await render(h(Parent))).toBe(
|
|
`<div data-v-child data-v-test><span data-v-test data-v-child-s>slot</span></div>`
|
|
)
|
|
})
|
|
})
|
|
|
|
describe('integration w/ compiled template', () => {
|
|
test('render', async () => {
|
|
expect(
|
|
await render(
|
|
createApp({
|
|
data() {
|
|
return { msg: 'hello' }
|
|
},
|
|
template: `<div>{{ msg }}</div>`
|
|
})
|
|
)
|
|
).toBe(`<div>hello</div>`)
|
|
})
|
|
|
|
test('handle compiler errors', async () => {
|
|
await render(
|
|
// render different content since compilation is cached
|
|
createApp({ template: `<${type === 'renderToString' ? 'div' : 'p'}` })
|
|
)
|
|
|
|
expect(
|
|
`Template compilation error: Unexpected EOF in tag.`
|
|
).toHaveBeenWarned()
|
|
expect(`Element is missing end tag`).toHaveBeenWarned()
|
|
})
|
|
})
|
|
|
|
test('serverPrefetch', async () => {
|
|
const msg = Promise.resolve('hello')
|
|
const app = createApp({
|
|
data() {
|
|
return {
|
|
msg: ''
|
|
}
|
|
},
|
|
async serverPrefetch() {
|
|
this.msg = await msg
|
|
},
|
|
render() {
|
|
return h('div', this.msg)
|
|
}
|
|
})
|
|
const html = await render(app)
|
|
expect(html).toBe(`<div>hello</div>`)
|
|
})
|
|
})
|
|
}
|