FranckFreiburger / Http Vue Loader
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🎉 http-vue-loader evolved into vue3-sfc-loader that supports Vue2 and Vue3 🎉
(see the announcement)
http-vue-loader
Load .vue files directly from your html/js. No node.js environment, no build step.
examples
my-component.vue
<template>
<div class="hello">Hello {{who}}</div>
</template>
<script>
module.exports = {
data: function() {
return {
who: 'world'
}
}
}
</script>
<style>
.hello {
background-color: #ffe;
}
</style>
index.html
<!doctype html>
<html lang="en">
<head>
<script src="https://unpkg.com/vue"></script>
<script src="https://unpkg.com/http-vue-loader"></script>
</head>
<body>
<div id="my-app">
<my-component></my-component>
</div>
<script type="text/javascript">
new Vue({
el: '#my-app',
components: {
'my-component': httpVueLoader('my-component.vue')
}
});
</script>
</body>
</html>
More examples
using httpVueLoader()
...
<script type="text/javascript">
new Vue({
components: {
'my-component': httpVueLoader('my-component.vue')
},
...
or, using httpVueLoader.register()
...
<script type="text/javascript">
httpVueLoader.register(Vue, 'my-component.vue');
new Vue({
components: [
'my-component'
]
},
...
or, using httpVueLoader as a plugin
...
<script type="text/javascript">
Vue.use(httpVueLoader);
new Vue({
components: {
'my-component': 'url:my-component.vue'
},
...
or, using an array
new Vue({
components: [
'url:my-component.vue'
]
},
...
Features
-
<template>,<script>and<style>support thesrcattribute. -
<style scoped>is supported. -
module.exportsmay be a promise. - Support of relative urls in
<template>and<style>sections. - Support custom CSS, HTML and scripting languages, eg.
<script lang="coffee">(see VueLoader.langProcessor).
Browser Support
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|
| Latest ✔ | Latest ✔ | ? | ? | Latest ✔ | 9+ ✔ |
Requirements
- Vue.js 2 (compiler and runtime)
- es6-promise (optional, except for IE, Chrome < 33, FireFox < 29, ... )
- webserver (optional)...
Since some browsers do not allow XMLHttpRequest to access local files (Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https), you can start a small express server to run this example.
Run the following commands to start a basic web server:
npm install express
node -e "require('express')().use(require('express').static(__dirname, {index:'index.html'})).listen(8181)"
API
httpVueLoader(url)
url: any url to a .vue file
httpVueLoader.register(vue, url)
vue: a Vue instance
url: any url to a .vue file
httpVueLoader.httpRequest(url)
This is the default httpLoader.
Use axios instead of the default http loader:
httpVueLoader.httpRequest = function(url) {
return axios.get(url)
.then(function(res) {
return res.data;
})
.catch(function(err) {
return Promise.reject(err.status);
});
}
httpVueLoader.langProcessor
This is an object that contains language processors related to the lang attribute of the <script> section.
The language is a simple function that accepts a script source as argument and returns a javascript script source.
Example - CoffeeScript:
<script src="http://coffeescript.org/v1/browser-compiler/coffee-script.js"></script>
<script src="httpVueLoader.js"></script>
<script>
httpVueLoader.langProcessor.coffee = function(scriptText) {
return window.CoffeeScript.compile(scriptText, {bare: true});
}
</script>
Then, in you .vue file:
...
<script lang="coffee">
module.exports =
components: {}
data: ->
{}
computed: {}
methods: {}
</script>
...
Example - Stylus:
<script src="//stylus-lang.com/try/stylus.min.js"></script>
<script src="httpVueLoader.js"></script>
<script>
httpVueLoader.langProcessor.stylus = function(stylusText) {
return new Promise(function(resolve, reject) {
stylus.render(stylusText.trim(), {}, function(err, css) {
if (err) reject(err);
resolve(css);
});
})
}
</script>
...
<style lang="stylus">
border-radius()
-webkit-border-radius: arguments
-moz-border-radius: arguments
border-radius: arguments
form input
padding: 5px
border: 1px solid
border-radius: 5px
</style>
...
Sass (SCSS) example. Since sass.compile() is asynchronous, a promise needs to be returned:
<script src="sass.js"></script>
<script src="httpVueLoader.js"></script>
<script>
httpVueLoader.langProcessor.scss = function (scssText) {
return new Promise(function(resolve, reject) {
sass.compile(scssText, function (result) {
if ( result.status === 0 )
resolve(result.text)
else
reject(result)
});
});
}
// ....
...
<style lang="scss">
$font-stack: Helvetica, sans-serif;
$primary-color: #333;
body {
font: 100% $font-stack;
color: $primary-color;
}
</style>
How it works
- http request the vue file
- load the vue file in a document fragment
- process each section (template, script and style)
- return a promise to Vue.js (async components)
- then Vue.js compiles and cache the component
Notes
The aim of http-vue-loader is to quickly test .vue components without any compilation step.
However, for production, I recommend to use webpack module bundler with vue-loader,
webpack-simple is a good minimalist webpack config you should look at.
BTW, see also why Vue.js doesn't support templateURL.
Caveat
Due to the lack of suitable API in Google Chrome and Internet Explorer, syntax errors in the <script> section are only reported on FireFox.