Function run

packages/cli/src/commands/keyframes.ts:909–952

({ args })

      },
    },
    async run({ args }) {
      ensureDOMParser();
      const runtime = normalizeRuntime(args.runtime, commandOptions.defaultRuntime);
      if (runtime === "css" || runtime === "anime") {
        console.log(
          c.dim(
            `${commandOptions.name}: ${runtime} output is a static authoring surface; use validate/render/snapshot to verify runtime adapter seekability.`,
          ),
        );
        console.log();
      }
      const { comps: rawComps, allComps, projectName, projectDir } = resolveScope(args);
      const comps = filterCompositionsByRuntime(rawComps, runtime);

      // --shot: 3D onion-skin self-verify screenshot. Returns true when the command
      // should stop (guard failure) so run() stays small.
      if (args.shot && (await runOnionShot(comps, allComps, projectDir, args))) return;

      if (args.json) {
        console.log(
          JSON.stringify(withMeta({ project: projectName, runtime, compositions: comps }), null, 2),
        );
        return;
      }

      const total = comps.reduce(
        (n, cmp) => n + cmp.tweens.length + cmp.cssKeyframes.length + cmp.anime.length,
        0,
      );
      if (total === 0) {
        console.log(`${c.success("◇")}  ${c.accent(projectName)} ${c.dim("— no keyframes found")}`);
        return;
      }
      console.log(
        `${c.success("◇")}  ${c.accent(projectName)} ${c.dim("—")} ${c.dim(`${total} item${total === 1 ? "" : "s"}`)}`,
      );
      console.log();
      for (const cmp of comps) printComposition(cmp);
      console.log(
        c.dim(
          `Tip: edit the keyframes in source, then \`${commandOptions.invocation} --shot out.png\` to see the rendered motion.`,
        ),
      );
    },
  });
}