value-swap

import {Fill, Easing, interpolate, useBrand, useFrame, useDesignScale} from "odori";

export type ValueSwapProps = {
  label?: string;
  from: string;
  to: string;
  /** Frame the swap happens on. */
  swapFrame?: number;
};

/**
 * One value replaced by another in place. Both values occupy the same grid
 * cell, so the swap cannot shift anything around it, however wide the new
 * value is.
 */
export const ValueSwap = ({label, from, to, swapFrame = 45}: ValueSwapProps) => {
  const frame = useFrame();
  const brand = useBrand();
  const scale = useDesignScale();
  const out = interpolate(frame, [swapFrame - 10, swapFrame], [0, 1], {
    easing: Easing.standard,
    extrapolateLeft: "clamp",
    extrapolateRight: "clamp",
  });
  const into = interpolate(frame, [swapFrame, swapFrame + 14], [0, 1], {
    easing: Easing.standard,
    extrapolateLeft: "clamp",
    extrapolateRight: "clamp",
  });

  const cell = {gridColumn: 1, gridRow: 1} as const;

  return (
    <Fill
      style={{
        alignItems: "center",
        gap: 24 * scale,
        justifyContent: "center",
        padding: `${120 * scale}px ${140 * scale}px`,
      }}
    >
      {label ? (
        <div
          style={{
            color: brand.colors.muted,
            fontSize: 34 * scale,
            opacity: interpolate(frame, [0, 14], [0, 1], {easing: Easing.standard}),
          }}
        >
          {label}
        </div>
      ) : null}
      <div style={{display: "grid", placeItems: "center"}}>
        <span
          style={{
            ...cell,
            fontSize: 120 * scale,
            fontWeight: 570,
            letterSpacing: "-0.05em",
            opacity: 1 - out,
            transform: `translateY(${out * -34 * scale}px)`,
          }}
        >
          {from}
        </span>
        <span
          style={{
            ...cell,
            color: brand.colors.accent,
            fontSize: 120 * scale,
            fontWeight: 600,
            letterSpacing: "-0.05em",
            opacity: into,
            transform: `translateY(${(1 - into) * 34 * scale}px)`,
          }}
        >
          {to}
        </span>
      </div>
    </Fill>
  );
};

import {defineComponentPreview} from "odori/preview";
import {ValueSwap} from "./value-swap";

export default defineComponentPreview({
  title: "Value swap",
  category: "Typography",
  description: "Replace one label or value while preserving alignment.",
  component: ValueSwap,
  canvas: {width: 1920, height: 1080, duration: "3s"},
  controls: {
    label: {type: "text", defaultValue: "Status"},
    from: {type: "text", defaultValue: "Draft", maxLength: 24},
    to: {type: "text", defaultValue: "Ready", maxLength: 24},
    swapFrame: {type: "number", defaultValue: 45, min: 12, max: 80},
  },
  examples: [
    {name: "Status", props: {label: "Status", from: "Draft", to: "Ready"}},
    {name: "Duration", props: {label: "Render time", from: "8 min", to: "40 s"}},
  ],
});

import {Scene, Video} from "odori";
import {ValueSwap} from "../components/value-swap/value-swap";

<Video>
  <Scene id="value-swap" duration="3s">
    <ValueSwap
      label="Status"
      from="Draft"
      to="Ready"
      swapFrame={45}
    />
  </Scene>
</Video>