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Descriptions and status summaries are generated by an AI from publicly available data. They may not reflect the current state of a project. More on AI-extracted content. Project owners can request a correction or removal by emailing info@devupdate.io.
is-async-function is a small JavaScript utility that checks whether a value is a native async function. It is useful for runtime type checks when you need to detect async functions versus regular, generator, or non-function values.
Actively maintained: Evidence is mixed. The most recent published update in the provided summaries is v2.1.1 on 2025-01-23, but there is a GitHub upstream push on 2025-12-30, suggesting some ongoing work even though no newer version is shown here.
Last release:
This module checks whether a given value is a JavaScript ArrayBuffer. It is designed to work across realms and iframes without relying on instanceof or mutable properties, making it useful for type checks in JavaScript codebases.
Maintenance status: The repo shows an upstream push on 2025-12-30, which suggests ongoing maintenance activity, but the last published npm updates are older (v3.0.5 on 2024-12-16).
Last release:
is-alphanumerical is a small ESM function that checks whether a given character (ASCII code point) matches `[a-zA-Z0-9]`. It’s useful when you need a shared helper to test alphanumeric characters in JavaScript, including Node.js, Deno, and modern browsers.
Maintenance status: Not actively maintained as of today, with the most recent published updates dated 2021-11-04, and no evidence of further version updates since then (latest upstream push shown is 2022-11-23).
Last release:
is-alphabetical is a small ESM JavaScript/TypeScript function that checks whether a given character is an ASCII alphabetical character (matching [a-z], case insensitive). It returns true for letters like “a” and “B”, and false for non-letters, and is useful when you need this check as a shared helper across multiple packages.
The source does not look actively maintained today, the most recent published updates in the provided history are from 2021-11-04 (v2.0.1), and there have been no newer versioned updates shown since then.
Last release:
internal-slot is a JavaScript utility that provides truly private per-object storage similar to the JS spec’s internal slots. It uses WeakMap when available, otherwise falls back to Map or an object, which helps modules store hidden values with environment-dependent performance and garbage collection behavior.
The upstream GitHub push and latest tagged update (v1.1.0 on 2024-12-13) are now about 18 months old (as of 2026-06-09), so this source looks quiet or in maintenance mode rather than actively maintained.
Last release:
Inline style parser for JavaScript and Node.js, published as an npm package. It parses CSS inline style strings into structured declaration objects (property, value, and position), useful for turning style text like `color: #BADA55;` into data for further processing.
Actively maintained, most evidence shows ongoing development with an upstream push on 2026-07-06, and additional updates just days earlier (v0.2.8 on 2026-07-03).
Last release:
iMurmurHash.js is an incremental JavaScript implementation of the MurmurHash3 (32-bit) hashing algorithm. It lets you hash many small strings into a single hash efficiently by updating a hash state as you add text, useful for cases where concatenating strings first would be costly (in both browser and Node.js).
The upstream last push for jensyt/imurmurhash-js was in 2013-08-24, and there have been no further updates since, indicating the source is effectively dormant or in maintenance mode (not actively maintained as of 2026-06-09).
Last release:
Import-fresh is a Node.js utility for importing an ES module while bypassing the import cache, so code can be reloaded with fresh state. It is useful for development and testing scenarios where you need a freshly imported module, with an optional option to avoid cache-busting modules inside node_modules.
Actively maintained: Yes. The repo shows a recent update in 2026-02-25 (v4.0.0), indicating ongoing attention rather than maintenance-only status.
Last release:
hastscript is a hyperscript-style helper for creating hast (HTML AST) trees using function calls. It provides `h` for HTML and `s` for SVG, converting simple selectors and children into the hast node structures and normalizing attributes into the form expected by hast.
Actively maintained: Upstream shows a recent push (2026-03-19), suggesting ongoing development, but the most recent published update in the provided history is 9.0.1 (2025-02-19), so published update cadence since then is unclear.
Last release:
hast-util-whitespace is a small utility for hast (HTML AST) that checks whether a given node or string is inter-element whitespace according to HTML rules. It’s useful when you need to detect text nodes that contain only allowed whitespace characters like spaces, tabs, and line breaks.
Actively maintained status, not supported by evidence, upstream last push was 2023-07-31, and there have been no reported updates since then, so this appears quiet or in maintenance mode as of 2026-06-09.
Last release:
rehype-minify provides plugins to minify HTML, including a preset (rehype-preset-minify) with good and safe default settings. It is useful if you already process HTML with rehype (and possibly remark) and want smaller HTML output.
The repo appears largely quiet since its last upstream push on 2025-02-19 (about 16 months ago relative to 2026-06-09), so it does not look actively maintained right now.
Last release:
hast-util-to-jsx-runtime converts a hast syntax tree into JSX elements for frameworks like Preact, React, Solid, Svelte, and Vue, using an automatic JSX runtime. It is useful when you already have a hast tree and want to render or integrate it with a chosen JSX-based framework.
Maintenance status: The last recorded upstream push and published update is 2025-03-05, which is about 15 months ago as of 2026-06-09, so the project appears quiet/dormant rather than actively maintained.
Last release:
hast-util-to-html is a utility that serializes a HAST syntax tree into an HTML string using a `toHtml(tree[, options])` function. It is useful when you need serialized HTML output for tools or integrations that do not work with syntax trees, with options to control formatting and output size.
Maintenance status: Not clearly actively maintained as of today. The latest upstream update is from 2025-02-19, about 16 months ago, and there are no newer updates shown since then.
Last release:
hast-util-to-estree is a JavaScript utility that converts a hast (HTML) syntax tree into an estree (JavaScript AST) syntax tree with JSX nodes, including support for embedded MDX nodes. It’s useful when you want to embed HTML as JSX inside JavaScript while working with syntax trees.
Active maintenance: The last recorded upstream update is 2025-03-03, and there have been no further updates since, so relative to 2026-06-09 the project appears quiet or in maintenance mode, not actively evolving day to day.
Last release:
hast-util-parse-selector is a small utility that creates a HAST element from a simple CSS selector, optionally using a default tag name when none is provided. It is useful when you want to turn selector strings like tag, classes, and ID into a parsed element structure for syntax-tree based HTML processing.
The most recent upstream updates are from 2023-08-01 (v4.0.0), and there have been no further pushes up to today (2026-06-09), so the source appears quiet/dormant rather than actively maintained.
Last release:
hast-util-is-element is a small utility for checking whether a HAST node is a (certain) element. It helps avoid repeated code by providing functions like isElement (optionally with a tag-name or other test) and convertElement for generating reusable checks.
Maintenance status: The most recent upstream push and package update were on 2023-07-31 (3.0.0), and there is no evidence of further updates since then, so the source appears quiet/dormant (maintenance mode at best) as of 2026-06-09.
Last release:
hast-util-heading-rank is a small utility for hast (HTML AST) that returns the rank or depth level of heading elements, mapping h1 through h6 to numbers 1 through 6. It is useful when you need to inspect or drive logic based on the heading level in a parsed document.
The upstream repo for syntax-tree/hast-util-heading-rank shows no updates since 2023-08-02 (last upstream push), so it appears quiet and not actively maintained as of today (2026-06-09).
Last release:
hast-util-from-parse5 is a utility that converts a Parse5 AST into a hast tree. It is useful when you parse HTML with parse5 and want to work with hast, including optional positional information via a VFile.
Maintenance status: The most recent upstream push and package updates are from 2025-02-19 (8.0.3), so as of 2026-06-09 the source appears quiet/dormant, not actively maintained.
Last release: