Function copyAdditionalFiles

packages/cli-v3/src/commands/deploy.ts:1813–1917

(
  config: ResolvedConfig,
  tempDir: string
)

    };

async function copyAdditionalFiles(
  config: ResolvedConfig,
  tempDir: string
): Promise<AdditionalFilesReturn> {
  const additionalFiles = config.additionalFiles ?? [];
  const noMatches: string[] = [];

  if (additionalFiles.length === 0) {
    return { ok: true };
  }

  return await tracer.startActiveSpan(
    "copyAdditionalFiles",
    {
      attributes: {
        "config.additionalFiles": additionalFiles,
      },
    },
    async (span) => {
      try {
        logger.debug(`Copying files to ${tempDir}`, {
          additionalFiles,
        });

        const globOptions = {
          withFileTypes: true,
          ignore: ["node_modules"],
          cwd: config.projectDir,
          nodir: true,
        } satisfies GlobOptions;

        const globs: Array<GlobOptions> = [];
        let i = 0;

        for (const additionalFile of additionalFiles) {
          let glob: GlobOptions | Glob<typeof globOptions>;

          if (i === 0) {
            glob = new Glob(additionalFile, globOptions);
          } else {
            const previousGlob = globs[i - 1];
            if (!previousGlob) {
              logger.error("No previous glob, this shouldn't happen", { i, additionalFiles });
              continue;
            }

            // Use the previous glob's options and cache
            glob = new Glob(additionalFile, previousGlob);
          }

          if (!(Symbol.asyncIterator in glob)) {
            logger.error("Glob should be an async iterator", { glob });
            throw new Error("Unrecoverable error while copying additional files");
          }

          let matches = 0;
          for await (const file of glob) {
            matches++;