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keksAccountGUI/node_modulesOLD/vue-style-loader/lib/addStylesServer.js
2019-08-11 20:48:02 +02:00

80 lines
2.1 KiB
JavaScript

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
}