@ladislaogarcia/prisma-trpc-generator/src/utils/getRelativePath.ts

Prisma 2+ generator to emit fully implemented tRPC routers

import path from 'path';

export default function getRelativePath(
  outputPath: string,
  filePath: string,
  isOutsideOutputPath?: boolean,
  schemaPath?: string,
) {
  const fromPath = path.join(outputPath, 'routers', 'helpers');
  let toPath = path.join(outputPath, filePath);

  if (isOutsideOutputPath) {
    const schemaPathSplit = schemaPath.split(path.sep);
    const schemaPathWithoutFileAndExtension = schemaPathSplit
      .slice(0, schemaPathSplit.length - 1)
      .join(path.posix.sep);
    toPath = path.join(schemaPathWithoutFileAndExtension, filePath);
  }

  const newPath = path
    .relative(fromPath, toPath)
    .split(path.sep)
    .join(path.posix.sep);

  return newPath;
}