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authorlittleblack111 <littleblack11111@gmail.com>2024-08-30 17:21:18 +0800
committerlittleblack111 <littleblack11111@gmail.com>2024-08-30 17:21:18 +0800
commitefbc2ffe6a1ee5ec38a4396305561d6515d0943e (patch)
tree2b4c94f18f2c792dfda813050755d5c0273fae22 /node_modules/webpack/lib/JavascriptMetaInfoPlugin.js
parent43acceb75957c880a5ba5a31aae221394a36d5f6 (diff)
node fixes, updates
Diffstat (limited to 'node_modules/webpack/lib/JavascriptMetaInfoPlugin.js')
-rw-r--r--node_modules/webpack/lib/JavascriptMetaInfoPlugin.js80
1 files changed, 80 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/JavascriptMetaInfoPlugin.js b/node_modules/webpack/lib/JavascriptMetaInfoPlugin.js
new file mode 100644
index 00000000..b8f77bea
--- /dev/null
+++ b/node_modules/webpack/lib/JavascriptMetaInfoPlugin.js
@@ -0,0 +1,80 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Sergey Melyukov @smelukov
+*/
+
+"use strict";
+
+const {
+ JAVASCRIPT_MODULE_TYPE_AUTO,
+ JAVASCRIPT_MODULE_TYPE_DYNAMIC,
+ JAVASCRIPT_MODULE_TYPE_ESM
+} = require("./ModuleTypeConstants");
+const InnerGraph = require("./optimize/InnerGraph");
+
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./Module").BuildInfo} BuildInfo */
+/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
+
+const PLUGIN_NAME = "JavascriptMetaInfoPlugin";
+
+class JavascriptMetaInfoPlugin {
+ /**
+ * Apply the plugin
+ * @param {Compiler} compiler the compiler instance
+ * @returns {void}
+ */
+ apply(compiler) {
+ compiler.hooks.compilation.tap(
+ PLUGIN_NAME,
+ (compilation, { normalModuleFactory }) => {
+ /**
+ * @param {JavascriptParser} parser the parser
+ * @returns {void}
+ */
+ const handler = parser => {
+ parser.hooks.call.for("eval").tap(PLUGIN_NAME, () => {
+ const buildInfo =
+ /** @type {BuildInfo} */
+ (parser.state.module.buildInfo);
+ buildInfo.moduleConcatenationBailout = "eval()";
+ buildInfo.usingEval = true;
+ const currentSymbol = InnerGraph.getTopLevelSymbol(parser.state);
+ if (currentSymbol) {
+ InnerGraph.addUsage(parser.state, null, currentSymbol);
+ } else {
+ InnerGraph.bailout(parser.state);
+ }
+ });
+ parser.hooks.finish.tap(PLUGIN_NAME, () => {
+ const buildInfo =
+ /** @type {BuildInfo} */
+ (parser.state.module.buildInfo);
+ let topLevelDeclarations = buildInfo.topLevelDeclarations;
+ if (topLevelDeclarations === undefined) {
+ topLevelDeclarations = buildInfo.topLevelDeclarations = new Set();
+ }
+ for (const name of parser.scope.definitions.asSet()) {
+ const freeInfo = parser.getFreeInfoFromVariable(name);
+ if (freeInfo === undefined) {
+ topLevelDeclarations.add(name);
+ }
+ }
+ });
+ };
+
+ normalModuleFactory.hooks.parser
+ .for(JAVASCRIPT_MODULE_TYPE_AUTO)
+ .tap(PLUGIN_NAME, handler);
+ normalModuleFactory.hooks.parser
+ .for(JAVASCRIPT_MODULE_TYPE_DYNAMIC)
+ .tap(PLUGIN_NAME, handler);
+ normalModuleFactory.hooks.parser
+ .for(JAVASCRIPT_MODULE_TYPE_ESM)
+ .tap(PLUGIN_NAME, handler);
+ }
+ );
+ }
+}
+
+module.exports = JavascriptMetaInfoPlugin;