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100 lines
2.7 KiB
JavaScript
100 lines
2.7 KiB
JavaScript
'use strict';
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/* */
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var isJS = function (file) { return /\.js(\?[^.]+)?$/.test(file); };
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var ref = require('chalk');
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var red = ref.red;
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var yellow = ref.yellow;
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var prefix = "[vue-server-renderer-webpack-plugin]";
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var warn = exports.warn = function (msg) { return console.error(red((prefix + " " + msg + "\n"))); };
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var tip = exports.tip = function (msg) { return console.log(yellow((prefix + " " + msg + "\n"))); };
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var validate = function (compiler) {
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if (compiler.options.target !== 'node') {
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warn('webpack config `target` should be "node".');
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}
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if (compiler.options.output && compiler.options.output.libraryTarget !== 'commonjs2') {
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warn('webpack config `output.libraryTarget` should be "commonjs2".');
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}
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if (!compiler.options.externals) {
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tip(
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'It is recommended to externalize dependencies in the server build for ' +
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'better build performance.'
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);
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}
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};
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var VueSSRServerPlugin = function VueSSRServerPlugin (options) {
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if ( options === void 0 ) options = {};
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this.options = Object.assign({
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filename: 'vue-ssr-server-bundle.json'
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}, options);
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};
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VueSSRServerPlugin.prototype.apply = function apply (compiler) {
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var this$1 = this;
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validate(compiler);
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compiler.plugin('emit', function (compilation, cb) {
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var stats = compilation.getStats().toJson();
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var entryName = Object.keys(stats.entrypoints)[0];
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var entryInfo = stats.entrypoints[entryName];
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if (!entryInfo) {
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// #5553
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return cb()
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}
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var entryAssets = entryInfo.assets.filter(isJS);
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if (entryAssets.length > 1) {
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throw new Error(
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"Server-side bundle should have one single entry file. " +
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"Avoid using CommonsChunkPlugin in the server config."
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)
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}
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var entry = entryAssets[0];
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if (!entry || typeof entry !== 'string') {
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throw new Error(
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("Entry \"" + entryName + "\" not found. Did you specify the correct entry option?")
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)
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}
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var bundle = {
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entry: entry,
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files: {},
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maps: {}
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};
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stats.assets.forEach(function (asset) {
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if (asset.name.match(/\.js$/)) {
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bundle.files[asset.name] = compilation.assets[asset.name].source();
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} else if (asset.name.match(/\.js\.map$/)) {
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bundle.maps[asset.name.replace(/\.map$/, '')] = JSON.parse(compilation.assets[asset.name].source());
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}
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// do not emit anything else for server
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delete compilation.assets[asset.name];
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});
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var json = JSON.stringify(bundle, null, 2);
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var filename = this$1.options.filename;
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compilation.assets[filename] = {
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source: function () { return json; },
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size: function () { return json.length; }
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};
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cb();
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});
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};
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module.exports = VueSSRServerPlugin;
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