Cook rice noodles as directed on package; set aside.
Mince garlic and grate ginger. Cut veggies into bite-sized pieces. Chop pineapple.
Whisk together garlic, ginger, sesame oil, soy sauce, honey, lime juice, salt, pepper, and chili flakes (if using). Set aside.
Heat a large wok over medium-high heat.
Drizzle oil into the hot pan and add veggies; cook until tender-crisp.
Add noodles, cashews, and parsley to the veggies and toss for 1 minute to heat; remove from heat and drizzle with dressing.
Serve with pineapple chunks on the side (or add the pineapple to the skillet along with the noodles).