mirror of https://github.com/vuejs/vue.git
90 lines
3.4 KiB
JavaScript
90 lines
3.4 KiB
JavaScript
'use strict';
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var isJS = function (file) { return /\.js(\?[^.]+)?$/.test(file); };
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var _a = require('chalk'), red = _a.red, yellow = _a.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 &&
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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('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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var onEmit = function (compiler, name, hook) {
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if (compiler.hooks) {
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// Webpack >= 4.0.0
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compiler.hooks.emit.tapAsync(name, hook);
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}
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else {
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// Webpack < 4.0.0
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compiler.plugin('emit', hook);
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}
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};
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var VueSSRServerPlugin = /** @class */ (function () {
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function VueSSRServerPlugin(options) {
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if (options === void 0) { options = {}; }
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//@ts-expect-error
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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 (compiler) {
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var _this = this;
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validate(compiler);
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onEmit(compiler, 'vue-server-plugin', 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("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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var entry = entryAssets[0];
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if (!entry || typeof entry !== 'string') {
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throw new Error("Entry \"" + entryName + "\" not found. Did you specify the correct entry option?");
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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 (isJS(asset.name)) {
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bundle.files[asset.name] = compilation.assets[asset.name].source();
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}
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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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//@ts-expect-error
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var filename = _this.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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return VueSSRServerPlugin;
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}());
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module.exports = VueSSRServerPlugin;
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