Function run

packages/cli/src/commands/diff.ts:42–74

({ args })

    },
  },
  async run({ args }) {
    const beforeContent = await readInput(args.before);
    const afterContent = await readInput(args.after);

    const beforeReport = lint(beforeContent);
    const afterReport = lint(afterContent);

    const diff = {
      tokens: {
        colors: diffMaps(beforeReport.designSystem.colors, afterReport.designSystem.colors),
        typography: diffMaps(beforeReport.designSystem.typography, afterReport.designSystem.typography),
        rounded: diffMaps(beforeReport.designSystem.rounded, afterReport.designSystem.rounded),
        spacing: diffMaps(beforeReport.designSystem.spacing, afterReport.designSystem.spacing),
        components: diffMaps(
          serializeComponents(beforeReport.designSystem.components),
          serializeComponents(afterReport.designSystem.components),
        ),
      },
      findings: {
        before: beforeReport.summary,
        after: afterReport.summary,
        delta: {
          errors: afterReport.summary.errors - beforeReport.summary.errors,
          warnings: afterReport.summary.warnings - beforeReport.summary.warnings,
        },
      },
      regression: afterReport.summary.errors > beforeReport.summary.errors
        || afterReport.summary.warnings > beforeReport.summary.warnings,
    };

    console.log(formatOutput(diff, args));
    process.exitCode = diff.regression ? 1 : 0;
  },
});

function serializeComponents(components: Map<string, ComponentDef>): Map<string, Record<string, unknown>> {