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@tableland/node-helpers

v1.0.0

Published

Helpers for the @tableland/sdk in a Node.js environment

Downloads

15

Readme

@tableland/node-helpers

Review Test License: MIT AND Apache-2.0 Version standard-readme compliant

Helpers for the @tableland/sdk in a Node.js environment

Table of Contents

Background

This package provides helpers for the @tableland/sdk in a Node.js environment. It exports a single jsonFileAliases method takes a path and optional async flag for asynchronous behavior, and it returns a function that can be used as the aliases option for the Database class. It creates an AliasesNameMap, which exposes read() and write() methods that will store table aliases mapped to their unique table uuid (prefix_chainId_tableId). The path passed to jsonFileAliases can be one of:

  • A path to an existing JSON file (e.g., ./tableland.aliases.json).
  • A path to a directory but with a user-defined filename that doesn't exist yet but should be created (e.g., /path/to/custom-filename.json).
  • A path to a directory with no filename specified, which will default to creating a file named tableland.aliases.json in that directory (e.g., ./).

Once the Database class is instantiated with the aliases option, all database queries will let you use the table's alias instead of the full table uuid, which makes it easier to write SQL statements.

Install

You can install via npm.

npm install @tableland/node-helpers

Or yarn:

yarn add @tableland/node-helpers

Usage

Full library documentation is available on our docs site. You can import the jsonFileAliases function from the package and pass it to the SDK's Database class.

import { jsonFileAliases } from "@tableland/node-helpers";
import { Database } from "@tableland/sdk";

const aliases = jsonFileAliases("/path/to/tableland.aliases.json");

const db = new Database({
  aliases,
});

To use asynchronous file operations, you can set the async flag to true. By default, no flag is required and will use synchronous file operations (i.e., set to false).

const aliases = await jsonFileAliases("./tableland.aliases.json", true);

Development

Get started with installing and building the project:

npm install
npm run build

Contributing

PRs accepted.

Small note: If editing the README, please conform to the standard-readme specification.

License

MIT AND Apache-2.0, © 2021-2023 Tableland Network Contributors