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ssr-template.spec.js
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import Vue from '../../dist/vue.runtime.common.js'
import { compileWithWebpack } from './compile-with-webpack'
import { createRenderer } from '../../packages/vue-server-renderer'
import VueSSRClientPlugin from '../../packages/vue-server-renderer/client-plugin'
import { createRenderer as createBundleRenderer } from './ssr-bundle-render.spec.js'
const defaultTemplate = `<html><head></head><body><!--vue-ssr-outlet--></body></html>`
const interpolateTemplate = `<html><head><title>{{ title }}</title></head><body><!--vue-ssr-outlet-->{{{ snippet }}}</body></html>`
function generateClientManifest (file, cb) {
compileWithWebpack(file, {
output: {
path: '/',
publicPath: '/',
filename: '[name].js'
},
optimization: {
runtimeChunk: {
name: 'manifest'
}
},
plugins: [
new VueSSRClientPlugin()
]
}, fs => {
cb(JSON.parse(fs.readFileSync('/vue-ssr-client-manifest.json', 'utf-8')))
})
}
function createRendererWithManifest (file, options, cb) {
if (typeof options === 'function') {
cb = options
options = null
}
generateClientManifest(file, clientManifest => {
createBundleRenderer(file, Object.assign({
asBundle: true,
template: defaultTemplate,
clientManifest
}, options), cb)
})
}
describe('SSR: template option', () => {
it('renderToString', done => {
const renderer = createRenderer({
template: defaultTemplate
})
const context = {
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 1 }
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(
`<html><head>${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
`</body></html>`
)
done()
})
})
it('renderToString with interpolation', done => {
const renderer = createRenderer({
template: interpolateTemplate
})
const context = {
title: '<script>hacks</script>',
snippet: '<div>foo</div>',
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 1 }
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(
`<html><head>` +
// double mustache should be escaped
`<title><script>hacks</script></title>` +
`${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
// triple should be raw
`<div>foo</div>` +
`</body></html>`
)
done()
})
})
it('renderToString with interpolation and context.rendered', done => {
const renderer = createRenderer({
template: interpolateTemplate
})
const context = {
title: '<script>hacks</script>',
snippet: '<div>foo</div>',
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 0 },
rendered: context => {
context.state.a = 1
}
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(
`<html><head>` +
// double mustache should be escaped
`<title><script>hacks</script></title>` +
`${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
// triple should be raw
`<div>foo</div>` +
`</body></html>`
)
done()
})
})
it('renderToString w/ template function', done => {
const renderer = createRenderer({
template: (content, context) => `<html><head>${context.head}</head>${content}</html>`
})
const context = {
head: '<meta name="viewport" content="width=device-width">'
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(`<html><head>${context.head}</head><div data-server-rendered="true">hi</div></html>`)
done()
})
})
it('renderToString w/ template function returning Promise', done => {
const renderer = createRenderer({
template: (content, context) => new Promise((resolve) => {
setTimeout(() => {
resolve(`<html><head>${context.head}</head>${content}</html>`)
}, 0)
})
})
const context = {
head: '<meta name="viewport" content="width=device-width">'
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(`<html><head>${context.head}</head><div data-server-rendered="true">hi</div></html>`)
done()
})
})
it('renderToString w/ template function returning Promise w/ rejection', done => {
const renderer = createRenderer({
template: () => new Promise((resolve, reject) => {
setTimeout(() => {
reject(new Error(`foo`))
}, 0)
})
})
const context = {
head: '<meta name="viewport" content="width=device-width">'
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err.message).toBe(`foo`)
expect(res).toBeUndefined()
done()
})
})
it('renderToStream', done => {
const renderer = createRenderer({
template: defaultTemplate
})
const context = {
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 1 }
}
const stream = renderer.renderToStream(new Vue({
template: '<div>hi</div>'
}), context)
let res = ''
stream.on('data', chunk => {
res += chunk
})
stream.on('end', () => {
expect(res).toContain(
`<html><head>${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
`</body></html>`
)
done()
})
})
it('renderToStream with interpolation', done => {
const renderer = createRenderer({
template: interpolateTemplate
})
const context = {
title: '<script>hacks</script>',
snippet: '<div>foo</div>',
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 1 }
}
const stream = renderer.renderToStream(new Vue({
template: '<div>hi</div>'
}), context)
let res = ''
stream.on('data', chunk => {
res += chunk
})
stream.on('end', () => {
expect(res).toContain(
`<html><head>` +
// double mustache should be escaped
`<title><script>hacks</script></title>` +
`${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
// triple should be raw
`<div>foo</div>` +
`</body></html>`
)
done()
})
})
it('renderToStream with interpolation and context.rendered', done => {
const renderer = createRenderer({
template: interpolateTemplate
})
const context = {
title: '<script>hacks</script>',
snippet: '<div>foo</div>',
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 0 },
rendered: context => {
context.state.a = 1
}
}
const stream = renderer.renderToStream(new Vue({
template: '<div>hi</div>'
}), context)
let res = ''
stream.on('data', chunk => {
res += chunk
})
stream.on('end', () => {
expect(res).toContain(
`<html><head>` +
// double mustache should be escaped
`<title><script>hacks</script></title>` +
`${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
// triple should be raw
`<div>foo</div>` +
`</body></html>`
)
done()
})
})
it('bundleRenderer + renderToString', done => {
createBundleRenderer('app.js', {
asBundle: true,
template: defaultTemplate
}, renderer => {
const context = {
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 1 },
url: '/test'
}
renderer.renderToString(context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(
`<html><head>${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">/test</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
`</body></html>`
)
expect(context.msg).toBe('hello')
done()
})
})
})
it('bundleRenderer + renderToStream', done => {
createBundleRenderer('app.js', {
asBundle: true,
template: defaultTemplate
}, renderer => {
const context = {
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 1 },
url: '/test'
}
const stream = renderer.renderToStream(context)
let res = ''
stream.on('data', chunk => {
res += chunk.toString()
})
stream.on('end', () => {
expect(res).toContain(
`<html><head>${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">/test</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
`</body></html>`
)
expect(context.msg).toBe('hello')
done()
})
})
})
const expectedHTMLWithManifest = (options = {}) =>
`<html><head>` +
// used chunks should have preload
`<link rel="preload" href="/manifest.js" as="script">` +
`<link rel="preload" href="/main.js" as="script">` +
`<link rel="preload" href="/0.js" as="script">` +
`<link rel="preload" href="/test.css" as="style">` +
// images and fonts are only preloaded when explicitly asked for
(options.preloadOtherAssets ? `<link rel="preload" href="/test.png" as="image">` : ``) +
(options.preloadOtherAssets ? `<link rel="preload" href="/test.woff2" as="font" type="font/woff2" crossorigin>` : ``) +
// unused chunks should have prefetch
(options.noPrefetch ? `` : `<link rel="prefetch" href="/1.js">`) +
// css assets should be loaded
`<link rel="stylesheet" href="/test.css">` +
`</head><body>` +
`<div data-server-rendered="true"><div>async test.woff2 test.png</div></div>` +
// state should be inlined before scripts
`<script>window.${options.stateKey || '__INITIAL_STATE__'}={"a":1}</script>` +
// manifest chunk should be first
`<script src="/manifest.js" defer></script>` +
// async chunks should be before main chunk
`<script src="/0.js" defer></script>` +
`<script src="/main.js" defer></script>` +
`</body></html>`
createClientManifestAssertions(true)
createClientManifestAssertions(false)
function createClientManifestAssertions (runInNewContext) {
it('bundleRenderer + renderToString + clientManifest ()', done => {
createRendererWithManifest('split.js', { runInNewContext }, renderer => {
renderer.renderToString({ state: { a: 1 }}, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(expectedHTMLWithManifest())
done()
})
})
})
it('bundleRenderer + renderToStream + clientManifest + shouldPreload', done => {
createRendererWithManifest('split.js', {
runInNewContext,
shouldPreload: (file, type) => {
if (type === 'image' || type === 'script' || type === 'font' || type === 'style') {
return true
}
}
}, renderer => {
const stream = renderer.renderToStream({ state: { a: 1 }})
let res = ''
stream.on('data', chunk => {
res += chunk.toString()
})
stream.on('end', () => {
expect(res).toContain(expectedHTMLWithManifest({
preloadOtherAssets: true
}))
done()
})
})
})
it('bundleRenderer + renderToStream + clientManifest + shouldPrefetch', done => {
createRendererWithManifest('split.js', {
runInNewContext,
shouldPrefetch: (file, type) => {
if (type === 'script') {
return false
}
}
}, renderer => {
const stream = renderer.renderToStream({ state: { a: 1 }})
let res = ''
stream.on('data', chunk => {
res += chunk.toString()
})
stream.on('end', () => {
expect(res).toContain(expectedHTMLWithManifest({
noPrefetch: true
}))
done()
})
})
})
it('bundleRenderer + renderToString + clientManifest + inject: false', done => {
createRendererWithManifest('split.js', {
runInNewContext,
template: `<html>` +
`<head>{{{ renderResourceHints() }}}{{{ renderStyles() }}}</head>` +
`<body><!--vue-ssr-outlet-->{{{ renderState({ windowKey: '__FOO__', contextKey: 'foo' }) }}}{{{ renderScripts() }}}</body>` +
`</html>`,
inject: false
}, renderer => {
const context = { foo: { a: 1 }}
renderer.renderToString(context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(expectedHTMLWithManifest({
stateKey: '__FOO__'
}))
done()
})
})
})
it('bundleRenderer + renderToString + clientManifest + no template', done => {
createRendererWithManifest('split.js', {
runInNewContext,
template: null
}, renderer => {
const context = { foo: { a: 1 }}
renderer.renderToString(context, (err, res) => {
expect(err).toBeNull()
const customOutput =
`<html><head>${
context.renderResourceHints() +
context.renderStyles()
}</head><body>${
res +
context.renderState({
windowKey: '__FOO__',
contextKey: 'foo'
}) +
context.renderScripts()
}</body></html>`
expect(customOutput).toContain(expectedHTMLWithManifest({
stateKey: '__FOO__'
}))
done()
})
})
})
it('whitespace insensitive interpolation', done => {
const interpolateTemplate = `<html><head><title>{{title}}</title></head><body><!--vue-ssr-outlet-->{{{snippet}}}</body></html>`
const renderer = createRenderer({
template: interpolateTemplate
})
const context = {
title: '<script>hacks</script>',
snippet: '<div>foo</div>',
head: '<meta name="viewport" content="width=device-width">',
styles: '<style>h1 { color: red }</style>',
state: { a: 1 }
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(
`<html><head>` +
// double mustache should be escaped
`<title><script>hacks</script></title>` +
`${context.head}${context.styles}</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script>window.__INITIAL_STATE__={"a":1}</script>` +
// triple should be raw
`<div>foo</div>` +
`</body></html>`
)
done()
})
})
it('renderToString + nonce', done => {
const interpolateTemplate = `<html><head><title>hello</title></head><body><!--vue-ssr-outlet--></body></html>`
const renderer = createRenderer({
template: interpolateTemplate
})
const context = {
state: { a: 1 },
nonce: '4AEemGb0xJptoIGFP3Nd'
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(
`<html><head>` +
`<title>hello</title>` +
`</head><body>` +
`<div data-server-rendered="true">hi</div>` +
`<script nonce="4AEemGb0xJptoIGFP3Nd">window.__INITIAL_STATE__={"a":1}</script>` +
`</body></html>`
)
done()
})
})
it('renderToString + custom serializer', done => {
const expected = `{"foo":123}`
const renderer = createRenderer({
template: defaultTemplate,
serializer: () => expected
})
const context = {
state: { a: 1 }
}
renderer.renderToString(new Vue({
template: '<div>hi</div>'
}), context, (err, res) => {
expect(err).toBeNull()
expect(res).toContain(
`<script>window.__INITIAL_STATE__=${expected}</script>`
)
done()
})
})
}
})