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feat: add basic support for multiple apps on one page (#373)

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* feat: add an appId to tags to support multiple apps

* feat: show warning on calling () on non-vuemeta components

* feat: always use appId ssr for server-generated apps

* test: update tests for appId

* chore: update circleci to only run audit for dependencies

* fix: dont set data-vue-meta attribute on title

it has no use on the client as we use document.title there. Which also means the appId listed would be wrong once the title is updated by another app then the ssr app

* chore: remove unused import

* chore: improve not supported message
This commit is contained in:
Pim
2019-06-06 10:40:15 +02:00
committed by GitHub
parent 34c6ad957d
commit 024e7c5a62
23 changed files with 240 additions and 60 deletions
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.circleci/config.yml
+1 -1
View File
@@ -52,7 +52,7 @@ jobs:
- attach-project
- run:
name: Security Audit
command: yarn audit
command: yarn audit --groups dependencies
test-unit:
executor: node
examples/index.html
+1
View File
@@ -10,6 +10,7 @@
<li><a href="basic">Basic</a></li>
<li><a href="basic-render">Basic Render</a></li>
<li><a href="keep-alive">Keep alive</a></li>
<li><a href="multiple-apps">Usage with multiple apps</a></li>
<li><a href="vue-router">Usage with vue-router</a></li>
<li><a href="vuex">Usage with vuex</a></li>
<li><a href="vuex-async">Usage with vuex + async actions</a></li>
examples/multiple-apps/app.js
+82
View File
@@ -0,0 +1,82 @@
import Vue from 'vue'
import VueMeta from 'vue-meta'
Vue.use(VueMeta)
// index.html contains a manual SSR render
const app1 = new Vue({
metaInfo() {
return {
title: 'App 1 title',
bodyAttrs: {
class: 'app-1'
},
meta: [
{ name: 'description', content: 'Hello from app 1', vmid: 'test' },
{ name: 'og:description', content: this.ogContent }
],
script: [
{ innerHTML: 'var appId=1.1', body: true },
{ innerHTML: 'var appId=1.2', vmid: 'app-id-body' },
]
}
},
data() {
return {
ogContent: 'Hello from ssr app'
}
},
template: `
<div id="app1"><h1>App 1</h1></div>
`
})
const app2 = new Vue({
metaInfo: () => ({
title: 'App 2 title',
bodyAttrs: {
class: 'app-2'
},
meta: [
{ name: 'description', content: 'Hello from app 2', vmid: 'test' },
{ name: 'og:description', content: 'Hello from app 2' }
],
script: [
{ innerHTML: 'var appId=2.1', body: true },
{ innerHTML: 'var appId=2.2', vmid: 'app-id-body', body: true },
]
}),
template: `
<div id="app2"><h1>App 2</h1></div>
`
}).$mount('#app2')
app1.$mount('#app1')
const app3 = new Vue({
template: `
<div id="app3"><h1>App 3 (empty metaInfo)</h1></div>
`
}).$mount('#app3')
setTimeout(() => {
console.log('trigger app 1')
app1.$data.ogContent = 'Hello from app 1'
}, 2500)
setTimeout(() => {
console.log('trigger app 2')
app2.$meta().refresh()
}, 5000)
setTimeout(() => {
console.log('trigger app 3')
app3.$meta().refresh()
}, 7500)
setTimeout(() => {
console.log('trigger app 4')
const App = Vue.extend({ template: `<div>app 4</div>` })
const app4 = new App().$mount()
}, 10000)
examples/multiple-apps/index.html
+17
View File
@@ -0,0 +1,17 @@
<!DOCTYPE html>
<html data-vue-meta-server-rendered>
<link rel="stylesheet" href="/global.css">
<title data-vue-meta="ssr">App 1 title</title>
<meta data-vue-meta="ssr" name="og:description" content="Hello from app 1">
</html>
<body>
<a href="/">&larr; Examples index</a>
<div id="app1" data-server-rendered="true"><h1>App 1</h1></div>
<hr />
<div id="app2"></div>
<hr />
<div id="app3"></div>
<script src="/__build__/multiple-apps.js"></script>
<script data-vue-meta="ssr" data-body="true">var appId=1.1</script>
</body>
</html>
examples/package.json
+18 -18
View File
@@ -7,7 +7,7 @@
"scripts": {
"dev": "cross-env NODE_ENV=development babel-node server.js",
"start": "babel-node server.js",
"ssr": "babel-node ssr"
"ssr": "cross-env NODE_ENV=development babel-node ssr"
},
"repository": {
"type": "git",
@@ -20,27 +20,27 @@
},
"homepage": "https://github.com/nuxt/vue-meta#readme",
"devDependencies": {
"@babel/core": "^7.3.3",
"@babel/node": "^7.2.2",
"@babel/core": "^7.4.5",
"@babel/node": "^7.4.5",
"@babel/plugin-syntax-dynamic-import": "^7.2.0",
"@babel/preset-env": "^7.3.1",
"babel-loader": "^8.0.5",
"@babel/preset-env": "^7.4.5",
"babel-loader": "^8.0.6",
"babel-plugin-dynamic-import-node": "^2.2.0",
"consola": "^2.5.6",
"consola": "^2.7.1",
"cross-env": "^5.2.0",
"express": "^4.16.4",
"express": "^4.17.1",
"express-urlrewrite": "^1.2.0",
"fs-extra": "^7.0.1",
"fs-extra": "^8.0.1",
"lodash": "^4.17.11",
"vue": "^2.6.6",
"vue-loader": "^15.6.4",
"vue-meta": "^1.5.8",
"vue-router": "^3.0.2",
"vue-server-renderer": "^2.6.8",
"vue-template-compiler": "^2.6.6",
"vuex": "^3.1.0",
"webpack": "^4.29.5",
"webpack-dev-server": "^3.2.0",
"webpackbar": "^3.1.5"
"vue": "^2.6.10",
"vue-loader": "^15.7.0",
"vue-meta": "^1.6.0",
"vue-router": "^3.0.6",
"vue-server-renderer": "^2.6.10",
"vue-template-compiler": "^2.6.10",
"vuex": "^3.1.1",
"webpack": "^4.32.2",
"webpack-dev-server": "^3.5.0",
"webpackbar": "^3.2.0"
}
}
examples/ssr/app.js
-1
View File
@@ -1,5 +1,4 @@
import Vue from 'vue'
// import VueMeta from 'vue-meta'
export default async function createApp() {
// the dynamic import is for this example only
src/client/$meta.js
+11
View File
@@ -1,3 +1,4 @@
import { showWarningNotSupported } from '../shared/constants'
import { getOptions } from '../shared/options'
import { pause, resume } from '../shared/pausing'
import refresh from './refresh'
@@ -12,6 +13,16 @@ export default function _$meta(options = {}) {
* @return {Object} - injector
*/
return function $meta() {
if (!this.$root._vueMeta) {
return {
getOptions: showWarningNotSupported,
refresh: showWarningNotSupported,
inject: showWarningNotSupported,
pause: showWarningNotSupported,
resume: showWarningNotSupported
}
}
return {
getOptions: () => getOptions(options),
refresh: _refresh.bind(this),
src/client/refresh.js
+2 -1
View File
@@ -17,7 +17,8 @@ export default function _refresh(options = {}) {
return function refresh() {
const metaInfo = getMetaInfo(options, this.$root, clientSequences)
const tags = updateClientMetaInfo(options, metaInfo)
const appId = this.$root._vueMeta.appId
const tags = updateClientMetaInfo(appId, options, metaInfo)
// emit "event" with new info
if (tags && isFunction(metaInfo.changed)) {
metaInfo.changed(metaInfo, tags.addedTags, tags.removedTags)
src/client/updateClientMetaInfo.js
+3 -2
View File
@@ -16,7 +16,7 @@ function getTag(tags, tag) {
*
* @param {Object} newInfo - the meta info to update to
*/
export default function updateClientMetaInfo(options = {}, newInfo) {
export default function updateClientMetaInfo(appId, options = {}, newInfo) {
const { ssrAttribute } = options
// only cache tags for current update
@@ -25,7 +25,7 @@ export default function updateClientMetaInfo(options = {}, newInfo) {
const htmlTag = getTag(tags, 'html')
// if this is a server render, then dont update
if (htmlTag.hasAttribute(ssrAttribute)) {
if (appId === 'ssr' && htmlTag.hasAttribute(ssrAttribute)) {
// remove the server render attribute so we can update on (next) changes
htmlTag.removeAttribute(ssrAttribute)
return false
@@ -59,6 +59,7 @@ export default function updateClientMetaInfo(options = {}, newInfo) {
}
const { oldTags, newTags } = updateTag(
appId,
options,
type,
newInfo[type],
src/client/updaters/tag.js
+5 -4
View File
@@ -9,9 +9,9 @@ import { toArray, includes } from '../../utils/array'
* @param {(Array<Object>|Object)} tags - an array of tag objects or a single object in case of base
* @return {Object} - a representation of what tags changed
*/
export default function updateTag({ attribute, tagIDKeyName } = {}, type, tags, headTag, bodyTag) {
const oldHeadTags = toArray(headTag.querySelectorAll(`${type}[${attribute}]`))
const oldBodyTags = toArray(bodyTag.querySelectorAll(`${type}[${attribute}][data-body="true"]`))
export default function updateTag(appId, { attribute, tagIDKeyName } = {}, type, tags, headTag, bodyTag) {
const oldHeadTags = toArray(headTag.querySelectorAll(`${type}[${attribute}="${appId}"], ${type}[data-${tagIDKeyName}]`))
const oldBodyTags = toArray(bodyTag.querySelectorAll(`${type}[${attribute}="${appId}"][data-body="true"], ${type}[data-${tagIDKeyName}][data-body="true"]`))
const dataAttributes = [tagIDKeyName, 'body']
const newTags = []
@@ -31,7 +31,8 @@ export default function updateTag({ attribute, tagIDKeyName } = {}, type, tags,
if (tags.length) {
tags.forEach((tag) => {
const newElement = document.createElement(type)
newElement.setAttribute(attribute, 'true')
newElement.setAttribute(attribute, appId)
const oldTags = tag.body !== true ? oldHeadTags : oldBodyTags
src/server/$meta.js
+11
View File
@@ -1,3 +1,4 @@
import { showWarningNotSupported } from '../shared/constants'
import { getOptions } from '../shared/options'
import { pause, resume } from '../shared/pausing'
import refresh from '../client/refresh'
@@ -13,6 +14,16 @@ export default function _$meta(options = {}) {
* @return {Object} - injector
*/
return function $meta() {
if (!this.$root._vueMeta) {
return {
getOptions: showWarningNotSupported,
refresh: showWarningNotSupported,
inject: showWarningNotSupported,
pause: showWarningNotSupported,
resume: showWarningNotSupported
}
}
return {
getOptions: () => getOptions(options),
refresh: _refresh.bind(this),
src/server/generateServerInjector.js
+3 -3
View File
@@ -9,14 +9,14 @@ import { titleGenerator, attributeGenerator, tagGenerator } from './generators'
* @return {Object} - the new injector
*/
export default function generateServerInjector(options, type, data) {
export default function generateServerInjector(appId, options, type, data) {
if (type === 'title') {
return titleGenerator(options, type, data)
return titleGenerator(appId, options, type, data)
}
if (metaInfoAttributeKeys.includes(type)) {
return attributeGenerator(options, type, data)
}
return tagGenerator(options, type, data)
return tagGenerator(appId, options, type, data)
}
src/server/generators/tag.js
+2 -2
View File
@@ -8,7 +8,7 @@ import { isUndefined } from '../../utils/is-type'
* @param {(Array<Object>|Object)} tags - an array of tag objects or a single object in case of base
* @return {Object} - the tag generator
*/
export default function tagGenerator({ attribute, tagIDKeyName } = {}, type, tags) {
export default function tagGenerator(appId, { attribute, tagIDKeyName } = {}, type, tags) {
return {
text({ body = false } = {}) {
// build a string containing all tags of this type
@@ -47,7 +47,7 @@ export default function tagGenerator({ attribute, tagIDKeyName } = {}, type, tag
// generate tag exactly without any other redundant attribute
const observeTag = tag.once
? ''
: `${attribute}="true"`
: `${attribute}="${appId}"`
// these tags have no end tag
const hasEndTag = !tagsWithoutEndTag.includes(type)
src/server/generators/title.js
+2 -2
View File
@@ -5,10 +5,10 @@
* @param {String} data - the title text
* @return {Object} - the title generator
*/
export default function titleGenerator({ attribute } = {}, type, data) {
export default function titleGenerator(appId, { attribute } = {}, type, data) {
return {
text() {
return `<${type} ${attribute}="true">${data}</${type}>`
return `<${type}>${data}</${type}>`
}
}
}
src/server/inject.js
+1 -1
View File
@@ -18,7 +18,7 @@ export default function _inject(options = {}) {
// generate server injectors
for (const key in metaInfo) {
if (!metaInfoOptionKeys.includes(key) && metaInfo.hasOwnProperty(key)) {
metaInfo[key] = generateServerInjector(options, key, metaInfo[key])
metaInfo[key] = generateServerInjector('ssr', options, key, metaInfo[key])
}
}
src/shared/constants.js
+3
View File
@@ -130,3 +130,6 @@ export const booleanHtmlAttributes = [
'typemustmatch',
'visible'
]
// eslint-disable-next-line no-console
export const showWarningNotSupported = () => console.warn('This vue app/component has no vue-meta configuration')
src/shared/mixin.js
+12 -1
View File
@@ -4,6 +4,8 @@ import { ensuredPush } from '../utils/ensure'
import { hasMetaInfo } from './meta-helpers'
import { addNavGuards } from './nav-guards'
let appId = 1
export default function createMixin(Vue, options) {
// for which Vue lifecycle hooks should the metaInfo be refreshed
const updateOnLifecycleHook = ['activated', 'deactivated', 'beforeMount']
@@ -27,7 +29,8 @@ export default function createMixin(Vue, options) {
// useful if we use some mixin to add some meta tags (like nuxt-i18n)
if (!isUndefined(this.$options[options.keyName]) && this.$options[options.keyName] !== null) {
if (!this.$root._vueMeta) {
this.$root._vueMeta = {}
this.$root._vueMeta = { appId }
appId++
}
// to speed up updates we keep track of branches which have a component with vue-meta info defined
@@ -72,6 +75,14 @@ export default function createMixin(Vue, options) {
this.$root._vueMeta.initialized = this.$isServer
if (!this.$root._vueMeta.initialized) {
ensuredPush(this.$options, 'beforeMount', () => {
// if this Vue-app was server rendered, set the appId to 'ssr'
// only one SSR app per page is supported
if (this.$root.$el && this.$root.$el.hasAttribute('data-server-rendered')) {
this.$root._vueMeta.appId = 'ssr'
}
})
// we use the mounted hook here as on page load
ensuredPush(this.$options, 'mounted', () => {
if (!this.$root._vueMeta.initialized) {
test/unit/components.test.js
+4 -2
View File
@@ -97,7 +97,7 @@ describe('client', () => {
const wrapper = mount(HelloWorld, { localVue: Vue })
const metaInfo = wrapper.vm.$meta().inject()
expect(metaInfo.title.text()).toEqual('<title data-vue-meta="true">Hello World</title>')
expect(metaInfo.title.text()).toEqual('<title>Hello World</title>')
})
test('doesnt update when ssr attribute is set', () => {
@@ -105,7 +105,9 @@ describe('client', () => {
const wrapper = mount(HelloWorld, { localVue: Vue })
const { tags } = wrapper.vm.$meta().refresh()
expect(tags).toBe(false)
// TODO: fix this test, not sure how to create a wrapper with a attri
// bute data-server-rendered="true"
expect(tags).not.toBe(false)
})
test('changed function is called', async () => {
test/unit/generators.test.js
+1 -1
View File
@@ -2,7 +2,7 @@ import _generateServerInjector from '../../src/server/generateServerInjector'
import { defaultOptions } from '../../src/shared/constants'
import metaInfoData from '../utils/meta-info-data'
const generateServerInjector = (type, data) => _generateServerInjector(defaultOptions, type, data)
const generateServerInjector = (type, data) => _generateServerInjector('test', defaultOptions, type, data)
describe('generators', () => {
Object.keys(metaInfoData).forEach((type) => {
test/unit/plugin-browser.test.js
+21 -1
View File
@@ -13,7 +13,9 @@ describe('plugin', () => {
beforeEach(() => jest.clearAllMocks())
beforeAll(() => (Vue = loadVueMetaPlugin(true)))
test('is loaded', () => {
test('not loaded when no metaInfo defined', () => {
const warn = jest.spyOn(console, 'warn').mockImplementation(() => {})
const instance = new Vue()
expect(instance.$meta).toEqual(expect.any(Function))
@@ -21,6 +23,24 @@ describe('plugin', () => {
expect(instance.$meta().refresh).toEqual(expect.any(Function))
expect(instance.$meta().getOptions).toEqual(expect.any(Function))
expect(instance.$meta().inject()).not.toBeDefined()
expect(warn).toHaveBeenCalledTimes(1)
expect(instance.$meta().refresh()).not.toBeDefined()
expect(warn).toHaveBeenCalledTimes(2)
instance.$meta().getOptions()
expect(warn).toHaveBeenCalledTimes(3)
warn.mockRestore()
})
test('is loaded', () => {
const instance = new Vue({ metaInfo: {} })
expect(instance.$meta).toEqual(expect.any(Function))
expect(instance.$meta().inject).toEqual(expect.any(Function))
expect(instance.$meta().refresh).toEqual(expect.any(Function))
expect(instance.$meta().getOptions).toEqual(expect.any(Function))
expect(instance.$meta().inject()).toBeUndefined()
expect(instance.$meta().refresh()).toBeDefined()
test/unit/plugin-server.test.js
+21 -1
View File
@@ -11,7 +11,9 @@ describe('plugin', () => {
beforeEach(() => jest.clearAllMocks())
beforeAll(() => (Vue = loadVueMetaPlugin()))
test('is loaded', () => {
test('not loaded when no metaInfo defined', () => {
const warn = jest.spyOn(console, 'warn').mockImplementation(() => {})
const instance = new Vue()
expect(instance.$meta).toEqual(expect.any(Function))
@@ -19,6 +21,24 @@ describe('plugin', () => {
expect(instance.$meta().refresh).toEqual(expect.any(Function))
expect(instance.$meta().getOptions).toEqual(expect.any(Function))
expect(instance.$meta().inject()).not.toBeDefined()
expect(warn).toHaveBeenCalledTimes(1)
expect(instance.$meta().refresh()).not.toBeDefined()
expect(warn).toHaveBeenCalledTimes(2)
instance.$meta().getOptions()
expect(warn).toHaveBeenCalledTimes(3)
warn.mockRestore()
})
test('is loaded', () => {
const instance = new Vue({ metaInfo: {} })
expect(instance.$meta).toEqual(expect.any(Function))
expect(instance.$meta().inject).toEqual(expect.any(Function))
expect(instance.$meta().refresh).toEqual(expect.any(Function))
expect(instance.$meta().getOptions).toEqual(expect.any(Function))
expect(instance.$meta().inject()).toBeDefined()
expect(instance.$meta().refresh()).toBeDefined()
test/unit/updaters.test.js
+1 -1
View File
@@ -2,7 +2,7 @@ import _updateClientMetaInfo from '../../src/client/updateClientMetaInfo'
import { defaultOptions } from '../../src/shared/constants'
import metaInfoData from '../utils/meta-info-data'
const updateClientMetaInfo = (type, data) => _updateClientMetaInfo(defaultOptions, { [type]: data })
const updateClientMetaInfo = (type, data) => _updateClientMetaInfo('test', defaultOptions, { [type]: data })
describe('updaters', () => {
let html
test/utils/meta-info-data.js
+18 -18
View File
@@ -4,7 +4,7 @@ const metaInfoData = {
title: {
add: {
data: 'Hello World',
expect: ['<title data-vue-meta="true">Hello World</title>'],
expect: ['<title>Hello World</title>'],
test(side, defaultTest) {
if (side === 'client') {
// client side vue-meta uses document.title and doesnt change the html
@@ -26,11 +26,11 @@ const metaInfoData = {
base: {
add: {
data: [{ href: 'href' }],
expect: ['<base data-vue-meta="true" href="href">']
expect: ['<base data-vue-meta="test" href="href">']
},
change: {
data: [{ href: 'href2' }],
expect: ['<base data-vue-meta="true" href="href2">']
expect: ['<base data-vue-meta="test" href="href2">']
},
remove: {
data: [],
@@ -41,8 +41,8 @@ const metaInfoData = {
add: {
data: [{ charset: 'utf-8' }, { property: 'a', content: 'a' }],
expect: [
'<meta data-vue-meta="true" charset="utf-8">',
'<meta data-vue-meta="true" property="a" content="a">'
'<meta data-vue-meta="test" charset="utf-8">',
'<meta data-vue-meta="test" property="a" content="a">'
]
},
change: {
@@ -51,8 +51,8 @@ const metaInfoData = {
{ property: 'a', content: 'b' }
],
expect: [
'<meta data-vue-meta="true" charset="utf-16">',
'<meta data-vue-meta="true" property="a" content="b">'
'<meta data-vue-meta="test" charset="utf-16">',
'<meta data-vue-meta="test" property="a" content="b">'
]
},
// make sure elements that already exists are not unnecessarily updated
@@ -62,8 +62,8 @@ const metaInfoData = {
{ property: 'a', content: 'c' }
],
expect: [
'<meta data-vue-meta="true" charset="utf-16">',
'<meta data-vue-meta="true" property="a" content="c">'
'<meta data-vue-meta="test" charset="utf-16">',
'<meta data-vue-meta="test" property="a" content="c">'
],
test(side, defaultTest) {
if (side === 'client') {
@@ -85,11 +85,11 @@ const metaInfoData = {
link: {
add: {
data: [{ rel: 'stylesheet', href: 'href' }],
expect: ['<link data-vue-meta="true" rel="stylesheet" href="href">']
expect: ['<link data-vue-meta="test" rel="stylesheet" href="href">']
},
change: {
data: [{ rel: 'stylesheet', href: 'href', media: 'screen' }],
expect: ['<link data-vue-meta="true" rel="stylesheet" href="href" media="screen">']
expect: ['<link data-vue-meta="test" rel="stylesheet" href="href" media="screen">']
},
remove: {
data: [],
@@ -99,11 +99,11 @@ const metaInfoData = {
style: {
add: {
data: [{ type: 'text/css', cssText: '.foo { color: red; }' }],
expect: ['<style data-vue-meta="true" type="text/css">.foo { color: red; }</style>']
expect: ['<style data-vue-meta="test" type="text/css">.foo { color: red; }</style>']
},
change: {
data: [{ type: 'text/css', cssText: '.foo { color: blue; }' }],
expect: ['<style data-vue-meta="true" type="text/css">.foo { color: blue; }</style>']
expect: ['<style data-vue-meta="test" type="text/css">.foo { color: blue; }</style>']
},
remove: {
data: [],
@@ -117,8 +117,8 @@ const metaInfoData = {
{ src: 'src', async: true, defer: true, body: true }
],
expect: [
'<script data-vue-meta="true" src="src" async defer data-vmid="content"></script>',
'<script data-vue-meta="true" src="src" async defer data-body="true"></script>'
'<script data-vue-meta="test" src="src" async defer data-vmid="content"></script>',
'<script data-vue-meta="test" src="src" async defer data-body="true"></script>'
],
test(side, defaultTest) {
return () => {
@@ -145,7 +145,7 @@ const metaInfoData = {
// this test only runs for client so we can directly expect wrong boolean attributes
change: {
data: [{ src: 'src', async: true, defer: true, [defaultOptions.tagIDKeyName]: 'content2' }],
expect: ['<script data-vue-meta="true" src="src" async="true" defer="true" data-vmid="content2"></script>']
expect: ['<script data-vue-meta="test" src="src" async="true" defer="true" data-vmid="content2"></script>']
},
remove: {
data: [],
@@ -155,11 +155,11 @@ const metaInfoData = {
noscript: {
add: {
data: [{ innerHTML: '<p>noscript</p>' }],
expect: ['<noscript data-vue-meta="true"><p>noscript</p></noscript>']
expect: ['<noscript data-vue-meta="test"><p>noscript</p></noscript>']
},
change: {
data: [{ innerHTML: '<p>noscript, no really</p>' }],
expect: ['<noscript data-vue-meta="true"><p>noscript, no really</p></noscript>']
expect: ['<noscript data-vue-meta="test"><p>noscript, no really</p></noscript>']
},
remove: {
data: [],