Function tile_path

serverless/shared/index.ts:13–36

(
  path: string
)

const TILESET = /^\/(?<NAME>[0-9a-zA-Z\/!\-_\.\*\'\(\)]+).json$/;

export const tile_path = (
  path: string
): {
  ok: boolean;
  name: string;
  tile?: [number, number, number];
  ext: string;
} => {
  const tile_match = path.match(TILE);

  if (tile_match) {
    const g = tile_match.groups!;
    return { ok: true, name: g.NAME, tile: [+g.Z, +g.X, +g.Y], ext: g.EXT };
  }

  const tileset_match = path.match(TILESET);

  if (tileset_match) {
    const g = tileset_match.groups!;
    return { ok: true, name: g.NAME, ext: "json" };
  }

  return { ok: false, name: "", tile: [0, 0, 0], ext: "" };
};