Two amounts and two coins that trade places when you flip; the other side rolls to follow, and you slide to make the trade — it goes green when it has.
The prompt25,096 characters
Add the "Swap" component from notboring to my project.
It is licensed for use in my projects — notboring.dev/license. Please:
1. Create the component at a sensible path for this
project, named Swap, from the source below.
2. Install what it needs: npm i framer-motion lucide-react
3. Add the CSS to the project's stylesheet.
4. THE PART THAT NEEDS YOUR JUDGMENT. The CSS reads
these custom properties and does not define them:
--card
--font-ui
--ground
--ink
--ink-3
--ink-4
--ink-rgb
--on-ink
--pane-edge
They are notboring's design tokens. Map each one to
whatever this project already uses for the same
job — its own ink, ground, surface and UI font —
rather than defining them as new globals. If the
project has no equivalent, define it locally on
the component's own root so nothing leaks out.
Anything ending -rgb wants three bare numbers,
because the CSS builds rgba() from it.
5. IF YOU CHANGE IT, GO ALL THE WAY. This block is
built for every state its object can really be
in — empty, one, full, refused, undone, pressed
twice, interrupted halfway — and not only the one
the demo opens on. Adapt it and the same standard
holds: work out that list before you write, and
build the whole of it. Never settle for the
minimum that makes the screenshot right. A
component somebody has to come back and finish is
the thing this was written to replace.
Keep the comments. They say why the numbers are what
they are, and they are most of what makes this worth
copying rather than rewriting.
--- Swap.tsx ---
import { useEffect, useRef, useState } from "react";
import { AnimatePresence, animate, motion, useMotionValue, useTransform } from "framer-motion";
import { ArrowDown, ArrowRight, Check } from "lucide-react";
/* ══ Swap ═════════════════════════════════════════════════
Two amounts, two tokens, the button between them that turns
the trade around, and a handle you slide to make it.
THE FLIP IS THE TOKENS TRADING PLACES. The obvious build
swaps two labels. Here the two token pills are one pair of
objects that travel — the upper one down into the lower
well and the lower one up, on a spring that goes a hair
past and settles — while the disc between them turns over
and the amounts change hands. You watch the trade reverse,
which is the one thing a flip button is for.
THE OTHER SIDE FOLLOWS, AND IT ROLLS. Type into what you
pay and what you receive is arithmetic on it, at a fixed
rate — a block has no market behind it, and a demo that
pretended otherwise would be lying — and the figure rolls
to each new value the way every count on this wall rolls.
THE TOKENS ARE THE COLOR. Ether wears the wall's own
gradient and the dollar coin wears its blue; everything
The rest — the source and its comments — is what the plan opens.