chushihua

2026-01-26 23:20:48 +08:00
commit 7b5aab0206
22521 changed files with 3300090 additions and 0 deletions
@@ -0,0 +1,40 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireEnsureItemDependency = require("./RequireEnsureItemDependency");
+const RequireEnsureDependency = require("./RequireEnsureDependency");
+
+const NullFactory = require("../NullFactory");
+
+const RequireEnsureDependenciesBlockParserPlugin = require("./RequireEnsureDependenciesBlockParserPlugin");
+
+const ParserHelpers = require("../ParserHelpers");
+
+class RequireEnsurePlugin {
+
+	apply(compiler) {
+		compiler.plugin("compilation", (compilation, params) => {
+			const normalModuleFactory = params.normalModuleFactory;
+
+			compilation.dependencyFactories.set(RequireEnsureItemDependency, normalModuleFactory);
+			compilation.dependencyTemplates.set(RequireEnsureItemDependency, new RequireEnsureItemDependency.Template());
+
+			compilation.dependencyFactories.set(RequireEnsureDependency, new NullFactory());
+			compilation.dependencyTemplates.set(RequireEnsureDependency, new RequireEnsureDependency.Template());
+
+			params.normalModuleFactory.plugin("parser", (parser, parserOptions) => {
+
+				if(typeof parserOptions.requireEnsure !== "undefined" && !parserOptions.requireEnsure)
+					return;
+
+				parser.apply(new RequireEnsureDependenciesBlockParserPlugin());
+				parser.plugin("evaluate typeof require.ensure", ParserHelpers.evaluateToString("function"));
+				parser.plugin("typeof require.ensure", ParserHelpers.toConstantDependency(JSON.stringify("function")));
+			});
+		});
+	}
+}
+module.exports = RequireEnsurePlugin;