tigris-object-operations（底格里斯对象操作）

Tigris Object Operations

Prerequisites

Before doing anything else, install the Tigris CLI if it's not already available:

tigris help || npm install -g @tigrisdata/cli

If you need to install it, tell the user: "I'm installing the Tigris CLI (@tigrisdata/cli) so we can work with Tigris object storage."

Overview

Tigris Storage provides object operations: upload (put), download (get), delete (remove), list, metadata (head), and presigned URLs.

All methods return TigrisStorageResponse<T, E> - check error property first.

Quick Reference

Upload (put)

import { put } from "@tigrisdata/storage";

// Simple upload
const result = await put("simple.txt", "Hello, World!");
if (result.error) {
  console.error("Error:", result.error);
} else {
  console.log("Uploaded:", result.data?.url);
}

// Large file with progress
const result = await put("large.mp4", fileStream, {
  multipart: true,
  onUploadProgress: ({ loaded, total, percentage }) => {
    console.log(`${loaded}/${total} bytes (${percentage}%)`);
  },
});

// Prevent overwrite
const result = await put("config.json", config, {
  allowOverwrite: false,
});

Put Options

Download (get)

import { get } from "@tigrisdata/storage";

// Get as string
const result = await get("object.txt", "string");
if (result.error) {
  console.error("Error:", result.error);
} else {
  console.log("Content:", result.data);
}

// Get as file (triggers download in browser)
const result = await get("object.pdf", "file", {
  contentDisposition: "attachment",
});

// Get as stream
const result = await get("video.mp4", "stream");
const reader = result.data?.getReader();
// Process stream...

Get Options

Delete (remove)

import { remove } from "@tigrisdata/storage";

const result = await remove("object.txt");
if (result.error) {
  console.error("Error:", result.error);
} else {
  console.log("Deleted successfully");
}

List Objects

import { list } from "@tigrisdata/storage";

// List all objects
const result = await list();
console.log("Objects:", result.data?.items);

// List with prefix (folders)
const result = await list({ prefix: "images/" });

// List with pagination
const allFiles = [];
let currentPage = await list({ limit: 10 });
allFiles.push(...currentPage.data?.items);

while (currentPage.data?.hasMore) {
  currentPage = await list({
    limit: 10,
    paginationToken: currentPage.data?.paginationToken,
  });
  allFiles.push(...currentPage.data?.items);
}

List Options

Object Metadata (head)

import { head } from "@tigrisdata/storage";

const result = await head("object.txt");
if (result.error) {
  console.error("Error:", result.error);
} else {
  console.log("Metadata:", result.data);
  // { path, size, contentType, modified, url, contentDisposition }
}

Presigned URLs

import { getPresignedUrl } from "@tigrisdata/storage";

// Presigned URL for GET (temporary access)
const result = await getPresignedUrl("object.txt", {
  operation: "get",
  expiresIn: 3600, // 1 hour
});
console.log("URL:", result.data?.url);

// Presigned URL for PUT (allow client upload)
const result = await getPresignedUrl("upload.txt", {
  operation: "put",
  expiresIn: 600, // 10 minutes
});

Presigned URL Options

Common Mistakes

Client-Side Uploads

For browser uploads, use the client package to upload directly to Tigris:

import { upload } from "@tigrisdata/storage/client";

const result = await upload(file.name, file, {
  url: "/api/upload", // Your backend endpoint
  onUploadProgress: ({ percentage }) => {
    console.log(`${percentage}%`);
  },
});

For initial setup, see file-storage.