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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
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Diffstat (limited to 'node_modules/webpack/lib/NamedModulesPlugin.js')
-rw-r--r--node_modules/webpack/lib/NamedModulesPlugin.js58
1 files changed, 58 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/NamedModulesPlugin.js b/node_modules/webpack/lib/NamedModulesPlugin.js
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+++ b/node_modules/webpack/lib/NamedModulesPlugin.js
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+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const createHash = require("./util/createHash");
+const RequestShortener = require("./RequestShortener");
+
+const getHash = str => {
+ const hash = createHash("md4");
+ hash.update(str);
+ const digest = /** @type {string} */ (hash.digest("hex"));
+ return digest.substr(0, 4);
+};
+
+class NamedModulesPlugin {
+ constructor(options) {
+ this.options = options || {};
+ }
+
+ apply(compiler) {
+ compiler.hooks.compilation.tap("NamedModulesPlugin", compilation => {
+ compilation.hooks.beforeModuleIds.tap("NamedModulesPlugin", modules => {
+ const namedModules = new Map();
+ const context = this.options.context || compiler.options.context;
+
+ for (const module of modules) {
+ if (module.id === null && module.libIdent) {
+ module.id = module.libIdent({ context });
+ }
+
+ if (module.id !== null) {
+ const namedModule = namedModules.get(module.id);
+ if (namedModule !== undefined) {
+ namedModule.push(module);
+ } else {
+ namedModules.set(module.id, [module]);
+ }
+ }
+ }
+
+ for (const namedModule of namedModules.values()) {
+ if (namedModule.length > 1) {
+ for (const module of namedModule) {
+ const requestShortener = new RequestShortener(context);
+ module.id = `${module.id}?${getHash(
+ requestShortener.shorten(module.identifier())
+ )}`;
+ }
+ }
+ }
+ });
+ });
+ }
+}
+
+module.exports = NamedModulesPlugin;