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• About
• Status
• Installation
• Dependencies
• Usage examples
• API
• Authors
• License

About

Conditional global variable exposition.

This package provides a single function exposeGlobal() to expose a variable in the global scope (e.g. for development/debugging purposes). It's behavior is controled by the UMBRELLA_GLOBALS or VITE_UMBRELLA_GLOBALS environment variables - if either is set (to a non-empty string) the function will always be enabled. Otherwise (by default), exposeGlobal() is disabled for production builds, i.e. if process.env.NODE_ENV === "production".

Status

STABLE - used in production

Search or submit any issues for this package

Installation

yarn add @thi.ng/expose

ESM import:

import * as exp from "@thi.ng/expose";

Browser ESM import:

<script type="module" src="https://esm.run/@thi.ng/expose"></script>

JSDelivr documentation

For Node.js REPL:

const exp = await import("@thi.ng/expose");

Package sizes (brotli'd, pre-treeshake): ESM: 205 bytes

Dependencies

None

Usage examples

Four projects in this repo's /examples directory are using this package:

| Screenshot | Description | Live demo | Source | |:---------------------------------------------------------------------------------------------------------------------------|:-----------------------------------------------------------------------|:----------------------------------------------------------|:---------------------------------------------------------------------------------------| | | Interactive grid generator, SVG generation & export, undo/redo support | Demo | Source | | | rstream based spreadsheet w/ S-expression formula DSL | Demo | Source | | | Minimal shader graph developed during livestream #2 | Demo | Source | | | Triple store query results & sortable table | Demo | Source |

API

Generated API docs

Authors

• Karsten Schmidt

If this project contributes to an academic publication, please cite it as:

@misc{thing-expose,
  title = "@thi.ng/expose",
  author = "Karsten Schmidt",
  note = "https://thi.ng/expose",
  year = 2016
}

License

© 2016 - 2025 Karsten Schmidt // Apache License 2.0