You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.1 KiB
81 lines
2.1 KiB
import listToStyles from './listToStyles'
|
|
|
|
export default function addStylesServer (parentId, list, isProduction, context) {
|
|
if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
|
|
context = __VUE_SSR_CONTEXT__
|
|
}
|
|
if (context) {
|
|
if (!context.hasOwnProperty('styles')) {
|
|
Object.defineProperty(context, 'styles', {
|
|
enumerable: true,
|
|
get: function() {
|
|
return renderStyles(context._styles)
|
|
}
|
|
})
|
|
// expose renderStyles for vue-server-renderer (vuejs/#6353)
|
|
context._renderStyles = renderStyles
|
|
}
|
|
|
|
var styles = context._styles || (context._styles = {})
|
|
list = listToStyles(parentId, list)
|
|
if (isProduction) {
|
|
addStyleProd(styles, list)
|
|
} else {
|
|
addStyleDev(styles, list)
|
|
}
|
|
}
|
|
}
|
|
|
|
// In production, render as few style tags as possible.
|
|
// (mostly because IE9 has a limit on number of style tags)
|
|
function addStyleProd (styles, list) {
|
|
for (var i = 0; i < list.length; i++) {
|
|
var parts = list[i].parts
|
|
for (var j = 0; j < parts.length; j++) {
|
|
var part = parts[j]
|
|
// group style tags by media types.
|
|
var id = part.media || 'default'
|
|
var style = styles[id]
|
|
if (style) {
|
|
if (style.ids.indexOf(part.id) < 0) {
|
|
style.ids.push(part.id)
|
|
style.css += '\n' + part.css
|
|
}
|
|
} else {
|
|
styles[id] = {
|
|
ids: [part.id],
|
|
css: part.css,
|
|
media: part.media
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// In dev we use individual style tag for each module for hot-reload
|
|
// and source maps.
|
|
function addStyleDev (styles, list) {
|
|
for (var i = 0; i < list.length; i++) {
|
|
var parts = list[i].parts
|
|
for (var j = 0; j < parts.length; j++) {
|
|
var part = parts[j]
|
|
styles[part.id] = {
|
|
ids: [part.id],
|
|
css: part.css,
|
|
media: part.media
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function renderStyles (styles) {
|
|
var css = ''
|
|
for (var key in styles) {
|
|
var style = styles[key]
|
|
css += '<style data-vue-ssr-id="' + style.ids.join(' ') + '"' +
|
|
(style.media ? ( ' media="' + style.media + '"' ) : '') + '>' +
|
|
style.css + '</style>'
|
|
}
|
|
return css
|
|
}
|