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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Naoyuki Kanezawa @nkzawa
*/
"use strict";
const MultiEntryDependency = require("./dependencies/MultiEntryDependency");
const SingleEntryDependency = require("./dependencies/SingleEntryDependency");
const MultiModuleFactory = require("./MultiModuleFactory");
const MultiEntryPlugin = require("./MultiEntryPlugin");
const SingleEntryPlugin = require("./SingleEntryPlugin");
/** @typedef {import("../declarations/WebpackOptions").EntryDynamic} EntryDynamic */
/** @typedef {import("../declarations/WebpackOptions").EntryStatic} EntryStatic */
/** @typedef {import("./Compiler")} Compiler */
class DynamicEntryPlugin {
/**
* @param {string} context the context path
* @param {EntryDynamic} entry the entry value
*/
constructor(context, entry) {
this.context = context;
this.entry = entry;
}
/**
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"DynamicEntryPlugin",
(compilation, { normalModuleFactory }) => {
const multiModuleFactory = new MultiModuleFactory();
compilation.dependencyFactories.set(
MultiEntryDependency,
multiModuleFactory
);
compilation.dependencyFactories.set(
SingleEntryDependency,
normalModuleFactory
);
}
);
compiler.hooks.make.tapAsync(
"DynamicEntryPlugin",
(compilation, callback) => {
/**
* @param {string|string[]} entry entry value or array of entry values
* @param {string} name name of entry
* @returns {Promise<EntryStatic>} returns the promise resolving the Compilation#addEntry function
*/
const addEntry = (entry, name) => {
const dep = DynamicEntryPlugin.createDependency(entry, name);
return new Promise((resolve, reject) => {
compilation.addEntry(this.context, dep, name, err => {
if (err) return reject(err);
resolve();
});
});
};
Promise.resolve(this.entry()).then(entry => {
if (typeof entry === "string" || Array.isArray(entry)) {
addEntry(entry, "main").then(() => callback(), callback);
} else if (typeof entry === "object") {
Promise.all(
Object.keys(entry).map(name => {
return addEntry(entry[name], name);
})
).then(() => callback(), callback);
}
});
}
);
}
}
module.exports = DynamicEntryPlugin;
/**
* @param {string|string[]} entry entry value or array of entry paths
* @param {string} name name of entry
* @returns {SingleEntryDependency|MultiEntryDependency} returns dep
*/
DynamicEntryPlugin.createDependency = (entry, name) => {
if (Array.isArray(entry)) {
return MultiEntryPlugin.createDependency(entry, name);
} else {
return SingleEntryPlugin.createDependency(entry, name);
}
};
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