feat: refactoring project

node_modules/webpack/lib/CodeGenerationResults.js

@@ -13,6 +13,7 @@ const { runtimeToString, RuntimeSpecMap } = require("./util/runtime");
 /** @typedef {import("webpack-sources").Source} Source */
 /** @typedef {import("./Module")} Module */
 /** @typedef {import("./Module").CodeGenerationResult} CodeGenerationResult */
+/** @typedef {import("./Module").ReadOnlyRuntimeRequirements} ReadOnlyRuntimeRequirements */
 /** @typedef {typeof import("./util/Hash")} Hash */
 /** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
 
@@ -53,9 +54,9 @@ class CodeGenerationResults {
 Caller might not support runtime-dependent code generation (opt-out via optimization.usedExports: "global").`
 					);
 				}
-				return first(results);
+				return /** @type {CodeGenerationResult} */ (first(results));
 			}
-			return entry.values().next().value;
+			return /** @type {CodeGenerationResult} */ (entry.values().next().value);
 		}
 		const result = entry.get(runtime);
 		if (result === undefined) {
@@ -86,9 +87,8 @@ Caller might not support runtime-dependent code generation (opt-out via optimiza
 		} else if (entry.size > 1) {
 			const results = new Set(entry.values());
 			return results.size === 1;
-		} else {
-			return entry.size === 1;
 		}
+		return entry.size === 1;
 	}
 
 	/**
@@ -98,13 +98,15 @@ Caller might not support runtime-dependent code generation (opt-out via optimiza
 	 * @returns {Source} a source
 	 */
 	getSource(module, runtime, sourceType) {
-		return this.get(module, runtime).sources.get(sourceType);
+		return /** @type {Source} */ (
+			this.get(module, runtime).sources.get(sourceType)
+		);
 	}
 
 	/**
 	 * @param {Module} module the module
 	 * @param {RuntimeSpec} runtime runtime(s)
-	 * @returns {ReadonlySet<string>} runtime requirements
+	 * @returns {ReadOnlyRuntimeRequirements | null} runtime requirements
 	 */
 	getRuntimeRequirements(module, runtime) {
 		return this.get(module, runtime).runtimeRequirements;