Function copyTempDirToAppDirStep

packages/create-react-router/index.ts:362–441

(ctx: Context)

}

async function copyTempDirToAppDirStep(ctx: Context) {
  await ensureDirectory(ctx.cwd);

  let files1 = await getDirectoryFilesRecursive(ctx.tempDir);
  let files2 = await getDirectoryFilesRecursive(ctx.cwd);
  let collisions = files1
    .filter((f) => files2.includes(f))
    .sort((a, b) => a.localeCompare(b));

  if (collisions.length > 0) {
    let getFileList = (prefix: string) => {
      let moreFiles = collisions.length - 5;
      let lines = ["", ...collisions.slice(0, 5)];
      if (moreFiles > 0) {
        lines.push(`and ${moreFiles} more...`);
      }
      return lines.join(`\n${prefix}`);
    };

    if (ctx.overwrite) {
      info(
        "Overwrite:",
        `overwriting files due to \`--overwrite\`:${getFileList("           ")}`,
      );
    } else if (!ctx.interactive) {
      error(
        "Oh no!",
        `Destination directory contains files that would be overwritten\n` +
          `         and no \`--overwrite\` flag was included in a non-interactive\n` +
          `         environment. The following files would be overwritten:` +
          getFileList("           "),
      );
      throw new Error(
        "File collisions detected in a non-interactive environment",
      );
    } else {
      if (ctx.debug) {
        debug(`Colliding files:${getFileList("          ")}`);
      }

      let { overwrite } = await ctx.prompt({
        name: "overwrite",
        type: "confirm",
        label: title("overwrite"),
        message:
          `Your project directory contains files that will be overwritten by\n` +
          `             this template (you can force with \`--overwrite\`)\n\n` +
          `             Files that would be overwritten:` +
          `${getFileList("               ")}\n\n` +
          `             Do you wish to continue?\n` +
          `             `,
        initial: false,
      });
      if (!overwrite) {
        throw new Error("Exiting to avoid overwriting files");
      }
    }
  }