Awesome GitHub RepositoriesJavaScript Data Transformations

es-toolkit is a JavaScript utility library and TypeScript data transformation toolset designed as a high-performance alternative to traditional utility suites. It serves as a tree-shakable module library and a compatibility layer for those migrating from legacy dependencies by mirroring established function signatures. The project is specifically optimized for AI code generation, providing structured documentation and specialized skill sets to improve the accuracy and discoverability of its functions for AI coding assistants. Its architecture focuses on a zero-dependency core and modular expo

elasticsearch-dump is a command-line tool for importing and exporting data, mappings, and settings between Elasticsearch and OpenSearch clusters. It serves as a backup and restore system, a data transfer utility for cross-cluster migrations, and a bridge for streaming search index data to and from S3-compatible storage. The tool functions as a JSON index data transformer, allowing the use of custom JavaScript modules to modify or anonymize documents in flight during the migration process. It also enables the creation of search bodies using external JavaScript templates to customize the data b

AlaSQL is a JavaScript SQL database engine that allows for the filtering, grouping, and joining of in-memory object arrays and JSON data. It functions as an in-memory SQL database and client-side data processor, enabling the execution of SQL statements against JavaScript arrays and external data sources in both browser and server environments. The project serves as a universal data query tool capable of performing relational joins across diverse sources, such as merging Google Spreadsheets, SQLite files, and remote APIs into a single result set. It also acts as an IndexedDB SQL wrapper, allow

collect.js is a dependency-free JavaScript library that provides a fluent, chainable interface for manipulating arrays and objects. It mirrors the Laravel Collection API, offering a consistent set of methods for data transformation across JavaScript and Laravel backend environments. The library stores collection data as plain arrays internally and supports fluent method chaining, where each method returns a new collection instance. The library distinguishes itself by closely replicating the Laravel Collection API in JavaScript, mapping each PHP method to an equivalent JavaScript implementatio

JsBarcode is a JavaScript library for generating machine-readable barcodes in both browser and Node.js environments. It supports a wide range of industry-standard symbologies including CODE128, EAN, UPC, CODE39, ITF-14, MSI, Codabar, Pharmacode, and GS1-128, with automatic check digit calculation for formats that require it. The library renders barcodes to HTML canvas elements, scalable SVG graphics, or image elements, and provides a chainable API for creating multiple barcodes sequentially with individual options. It includes automatic checksum computation for EAN, UPC, ITF-14, and MSI forma

Danfo.js 是一个 JavaScript 数据分析和预处理库，提供高性能的标签化数据结构。它实现了数据帧（DataFrames）和序列（Series），以支持复杂的数据分析、统计计算和结构化表格数据的操作。 该项目作为一个机器学习预处理库，提供用于分类标签编码、独热编码（One-hot encoding）以及数值特征缩放和标准化的实用程序。它特别促进了将标签化数据结构转换为张量（Tensors）以进行模型训练和评估的过程。 该库涵盖了广泛的能力，包括描述性统计、合并和连接等关系操作以及时间序列处理。它包括用于数据清洗、过滤和分组的工具，以及用于直接从数据帧生成交互式图表和绘图的视觉化界面。 该系统支持通过 CSV、JSON 和 Excel 格式导入和导出数据。