chore: add JSDocs

packages/webpack5/src/helpers/copyRules.ts

@@ -7,10 +7,27 @@ import { getEntryDirPath } from './platform';
  */
 export let copyRules = new Set([]);
 
+/**
+ * Utility to add new copy rules. Accepts a glob. For example
+ *  - **\/*.html - copy all .html files found in any sub dir.
+ *  - myFolder/* - copy all files from myFolder
+ *
+ * The path is relative to the folder of the entry file
+ * (specified in the main field of the package.json)
+ *
+ * @param {string} glob
+ */
 export function addCopyRule(glob: string) {
 	copyRules.add(glob);
 }
 
+/**
+ * Utility to remove a copy rule. The glob should be the exact glob
+ * to remove. For example
+ *  - fonts/** - to remove the default copy rule for fonts
+ *
+ * @param {string} glob
+ */
 export function removeCopyRule(glob: string) {
 	copyRules.delete(glob);
 }