webpack/lib/EntryOptionPlugin.js

47 lines
1.5 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const SingleEntryPlugin = require("./SingleEntryPlugin");
const MultiEntryPlugin = require("./MultiEntryPlugin");
const DynamicEntryPlugin = require("./DynamicEntryPlugin");
/** @typedef {import("../declarations/WebpackOptions").EntryItem} EntryItem */
/** @typedef {import("./Compiler")} Compiler */
/**
* @param {string} context context path
* @param {EntryItem} item entry array or single path
* @param {string} name entry key name
* @returns {SingleEntryPlugin | MultiEntryPlugin} returns either a single or multi entry plugin
*/
const itemToPlugin = (context, item, name) => {
if (Array.isArray(item)) {
return new MultiEntryPlugin(context, item, name);
}
return new SingleEntryPlugin(context, item, name);
};
module.exports = class EntryOptionPlugin {
/**
* @param {Compiler} compiler the compiler instance one is tapping into
* @returns {void}
*/
apply(compiler) {
compiler.hooks.entryOption.tap("EntryOptionPlugin", (context, entry) => {
if (typeof entry === "string" || Array.isArray(entry)) {
itemToPlugin(context, entry, "main").apply(compiler);
} else if (typeof entry === "object") {
for (const name of Object.keys(entry)) {
itemToPlugin(context, entry[name], name).apply(compiler);
}
} else if (typeof entry === "function") {
new DynamicEntryPlugin(context, entry).apply(compiler);
}
return true;
});
}
};