chore: add JSDocs

packages/webpack5/src/helpers/dependencies.ts

@@ -2,6 +2,12 @@ import { getPackageJson, getProjectRootPath } from './project';
 import path from 'path';
 
 // todo: memoize
+/**
+ * Utility to get all dependencies from the project package.json.
+ * The result combines dependencies and devDependencies
+ *
+ * @returns string[] dependencies
+ */
 export function getAllDependencies(): string[] {
 	const packageJSON = getPackageJson();
 
@@ -12,11 +18,23 @@ export function getAllDependencies(): string[] {
 }
 
 // todo: memoize
+/**
+ * Utility to check if the project has a specific dependency
+ * in either dependencies or devDependencies.
+ *
+ * @param {string} dependencyName
+ * @returns boolean
+ */
 export function hasDependency(dependencyName: string) {
 	return getAllDependencies().includes(dependencyName);
 }
 
 // todo: memoize
+/**
+ * Utility to get the path (usually nested in node_modules) of a dependency.
+ *
+ * @param dependencyName
+ */
 export function getDependencyPath(dependencyName: string): string | null {
 	try {
 		const resolvedPath = require.resolve(`${dependencyName}/package.json`, {