mirror of https://github.com/webpack/webpack.git
89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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/** @typedef {import("../declarations/WebpackOptions").Entry} Entry */
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/** @typedef {import("../declarations/WebpackOptions").EntryDescription} EntryDescription */
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/** @typedef {import("../declarations/WebpackOptions").EntryItem} EntryItem */
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/** @typedef {import("../declarations/WebpackOptions").EntryStatic} EntryStatic */
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/** @typedef {import("./Compilation").EntryOptions} EntryOptions */
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/** @typedef {import("./Compiler")} Compiler */
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class EntryOptionPlugin {
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/**
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* @param {Compiler} compiler the compiler instance one is tapping into
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.entryOption.tap("EntryOptionPlugin", (context, entry) => {
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if (typeof entry === "function") {
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const DynamicEntryPlugin = require("./DynamicEntryPlugin");
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new DynamicEntryPlugin(context, entry).apply(compiler);
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} else {
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const EntryPlugin = require("./EntryPlugin");
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EntryOptionPlugin.processEntryStatic(entry, (entry, options) => {
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new EntryPlugin(context, entry, options).apply(compiler);
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});
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}
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return true;
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});
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}
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/**
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* @param {EntryStatic} entry entry array or single path
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* @param {function(string, EntryOptions): void} onEntry callback for each entry
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* @returns {void}
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*/
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static processEntryStatic(entry, onEntry) {
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/**
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* @param {EntryItem} entry entry array or single path
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* @param {EntryOptions} options entry options
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* @returns {void}
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*/
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const applyEntryItemPlugins = (entry, options) => {
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if (typeof entry === "string") {
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onEntry(entry, options);
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} else if (Array.isArray(entry)) {
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for (const item of entry) {
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applyEntryItemPlugins(item, options);
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}
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}
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};
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/**
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* @param {EntryDescription} entry entry array or single path
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* @param {EntryOptions} options entry options
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* @returns {void}
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*/
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const applyEntryDescriptionPlugins = (entry, options) => {
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if (entry.dependOn) {
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options.dependOn = Array.isArray(entry.dependOn)
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? Array.from(entry.dependOn)
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: [entry.dependOn];
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}
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applyEntryItemPlugins(entry.import, {
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...options,
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filename: entry.filename
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});
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};
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if (typeof entry === "string" || Array.isArray(entry)) {
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applyEntryItemPlugins(entry, { name: "main" });
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} else if (entry && typeof entry === "object") {
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for (const name of Object.keys(entry)) {
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const value = entry[name];
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if (typeof value === "string" || Array.isArray(value)) {
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applyEntryItemPlugins(value, { name });
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} else {
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applyEntryDescriptionPlugins(value, { name });
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}
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}
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}
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}
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}
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module.exports = EntryOptionPlugin;
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