generated: '2026-06-20'
method: searched
source: https://ui.refinitiv.com (npm @refinitiv-ui scope, github.com/Refinitiv/refinitiv-ui)
description: >-
  LSEG publishes the Element Framework (EF) - an official library of embeddable
  web components for building financial applications that match the LSEG
  Workspace look and feel. Distributed on npm under the @refinitiv-ui scope,
  developed in the open at github.com/Refinitiv/refinitiv-ui.
families:
  - family: Element Framework elements
    description: Core catalog of financial UI web components (charts, grids, dialogs, forms)
    loader: "@refinitiv-ui/elements"
    npm: https://www.npmjs.com/package/@refinitiv-ui/elements
    docs: https://ui.refinitiv.com
  - family: Grid components
    description: High-performance data grid components (efx-grid) for market data displays
    loader: "@refinitiv-ui/efx-grid"
    npm: https://www.npmjs.com/package/@refinitiv-ui/efx-grid
  - family: Themes
    description: Official Halo theme matching LSEG Workspace styling
    loader: "@refinitiv-ui/halo-theme"
    npm: https://www.npmjs.com/package/@refinitiv-ui/halo-theme
  - family: Framework support
    description: Core runtime, i18n/translate, phrasebook, polyfills and shared utilities
    loader: "@refinitiv-ui/core"
    npm: https://www.npmjs.com/package/@refinitiv-ui/core
repository: https://github.com/Refinitiv/refinitiv-ui
notes: >-
  These components target LSEG data-and-analytics application development
  broadly; there is no World-Check One-specific embeddable component library.