mirror of https://github.com/webpack/webpack.git
57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const { getEntryRuntime } = require("./util/runtime");
|
|
|
|
/** @typedef {import("./Compiler")} Compiler */
|
|
|
|
const PLUGIN_NAME = "FlagEntryExportAsUsedPlugin";
|
|
|
|
class FlagEntryExportAsUsedPlugin {
|
|
/**
|
|
* @param {boolean} nsObjectUsed true, if the ns object is used
|
|
* @param {string} explanation explanation for the reason
|
|
*/
|
|
constructor(nsObjectUsed, explanation) {
|
|
this.nsObjectUsed = nsObjectUsed;
|
|
this.explanation = explanation;
|
|
}
|
|
|
|
/**
|
|
* Apply the plugin
|
|
* @param {Compiler} compiler the compiler instance
|
|
* @returns {void}
|
|
*/
|
|
apply(compiler) {
|
|
compiler.hooks.thisCompilation.tap(PLUGIN_NAME, compilation => {
|
|
const moduleGraph = compilation.moduleGraph;
|
|
compilation.hooks.seal.tap(PLUGIN_NAME, () => {
|
|
for (const [
|
|
entryName,
|
|
{ dependencies: deps, options }
|
|
] of compilation.entries) {
|
|
const runtime = getEntryRuntime(compilation, entryName, options);
|
|
for (const dep of deps) {
|
|
const module = moduleGraph.getModule(dep);
|
|
if (module) {
|
|
const exportsInfo = moduleGraph.getExportsInfo(module);
|
|
if (this.nsObjectUsed) {
|
|
exportsInfo.setUsedInUnknownWay(runtime);
|
|
} else {
|
|
exportsInfo.setAllKnownExportsUsed(runtime);
|
|
}
|
|
moduleGraph.addExtraReason(module, this.explanation);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
module.exports = FlagEntryExportAsUsedPlugin;
|