line_push/node_modules/vue-server-renderer/client-plugin.js
2022-07-18 02:50:52 +00:00

149 lines
5.8 KiB
JavaScript

'use strict';
Object.freeze({});
/**
* Make a map and return a function for checking if a key
* is in that map.
*/
function makeMap(str, expectsLowerCase) {
const map = Object.create(null);
const list = str.split(',');
for (let i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase ? val => map[val.toLowerCase()] : val => map[val];
}
/**
* Check if a tag is a built-in tag.
*/
makeMap('slot,component', true);
/**
* Check if an attribute is a reserved attribute.
*/
makeMap('key,ref,slot,slot-scope,is');
makeMap('accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
'checked,cite,class,code,codebase,color,cols,colspan,content,' +
'contenteditable,contextmenu,controls,coords,data,datetime,default,' +
'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,for,' +
'form,formaction,headers,height,hidden,high,href,hreflang,http-equiv,' +
'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
'target,title,usemap,value,width,wrap');
const isJS = (file) => /\.js(\?[^.]+)?$/.test(file);
const isCSS = (file) => /\.css(\?[^.]+)?$/.test(file);
const { red, yellow } = require('chalk');
const webpack = require('webpack');
const prefix = `[vue-server-renderer-webpack-plugin]`;
(exports.warn = msg => console.error(red(`${prefix} ${msg}\n`)));
(exports.tip = msg => console.log(yellow(`${prefix} ${msg}\n`)));
const isWebpack5 = !!(webpack.version && webpack.version[0] > 4);
const onEmit = (compiler, name, stageName, hook) => {
if (isWebpack5) {
// Webpack >= 5.0.0
compiler.hooks.compilation.tap(name, compilation => {
if (compilation.compiler !== compiler) {
// Ignore child compilers
return;
}
const stage = webpack.Compilation[stageName];
compilation.hooks.processAssets.tapAsync({ name, stage }, (assets, cb) => {
hook(compilation, cb);
});
});
}
else if (compiler.hooks) {
// Webpack >= 4.0.0
compiler.hooks.emit.tapAsync(name, hook);
}
else {
// Webpack < 4.0.0
compiler.plugin('emit', hook);
}
};
const stripModuleIdHash = id => {
if (isWebpack5) {
// Webpack >= 5.0.0
return id.replace(/\|\w+$/, '');
}
// Webpack < 5.0.0
return id.replace(/\s\w+$/, '');
};
const getAssetName = asset => {
if (typeof asset === 'string') {
return asset;
}
return asset.name;
};
const hash = require('hash-sum');
const uniq = require('lodash.uniq');
class VueSSRClientPlugin {
constructor(options = {}) {
//@ts-expect-error no type on options
this.options = Object.assign({
filename: 'vue-ssr-client-manifest.json'
}, options);
}
apply(compiler) {
const stage = 'PROCESS_ASSETS_STAGE_ADDITIONAL';
onEmit(compiler, 'vue-client-plugin', stage, (compilation, cb) => {
const stats = compilation.getStats().toJson();
const allFiles = uniq(stats.assets.map(a => a.name));
const initialFiles = uniq(Object.keys(stats.entrypoints)
.map(name => stats.entrypoints[name].assets)
.reduce((assets, all) => all.concat(assets), [])
.map(getAssetName)
.filter(file => isJS(file) || isCSS(file)));
const asyncFiles = allFiles
.filter(file => isJS(file) || isCSS(file))
.filter(file => initialFiles.indexOf(file) < 0);
const manifest = {
publicPath: stats.publicPath,
all: allFiles,
initial: initialFiles,
async: asyncFiles,
modules: {
/* [identifier: string]: Array<index: number> */
}
};
const assetModules = stats.modules.filter(m => m.assets.length);
const fileToIndex = asset => manifest.all.indexOf(getAssetName(asset));
stats.modules.forEach(m => {
// ignore modules duplicated in multiple chunks
if (m.chunks.length === 1) {
const cid = m.chunks[0];
const chunk = stats.chunks.find(c => c.id === cid);
if (!chunk || !chunk.files) {
return;
}
const id = stripModuleIdHash(m.identifier);
const files = (manifest.modules[hash(id)] =
chunk.files.map(fileToIndex));
// find all asset modules associated with the same chunk
assetModules.forEach(m => {
if (m.chunks.some(id => id === cid)) {
files.push.apply(files, m.assets.map(fileToIndex));
}
});
}
});
const json = JSON.stringify(manifest, null, 2);
//@ts-expect-error no type on options
compilation.assets[this.options.filename] = {
source: () => json,
size: () => json.length
};
cb();
});
}
}
module.exports = VueSSRClientPlugin;