duktape を Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, zypper でインストール

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• duk

プロジェクトの歴史

Duktape's public release archive starts in September 2013 with alpha releases focused on the public API, portability, and ES5.1 behavior. Version 1.0.0 arrived on October 26, 2014 as the stable baseline release.

The 1.x series added low-memory improvements, debugger support, typed arrays, duk_config.h, module.exports behavior, performance work, suspend/resume support, and continued maintenance. These releases established Duktape as a compact embeddable runtime rather than a browser engine.

Duktape 2.0.0 was released on January 2, 2017 with buffers, ES2015 improvements, performance work, and footprint changes. Later 2.x releases added API improvements, CBOR support, Unicode and portability updates, and maintenance fixes, with 2.7.0 released on February 19, 2022.

The upstream GitHub README notes that the master branch is undergoing incompatible changes for Duktape 3.x and that Duktape 2.x is tracked on the v2-maintenance branch. That split reflects a mature runtime balancing maintenance users with future internal changes.

採用の歴史

Duktape's own site points to projects using it and to Stack Overflow community support, while its package presence spans Homebrew, Debian, Fedora, MacPorts, Nix, Arch, Alpine, Ubuntu, and openSUSE-family packaging. Its GitHub repository also shows thousands of stars and a long development history, which is notable for a small embeddable engine.

Adoption tends to come from applications needing scripting, configuration logic, plugins, tests, or embedded automation in a C or C++ host. The guide emphasizes that Duktape makes few platform assumptions and leaves native bindings under application control, which made it attractive for constrained or custom environments.

使われ方

Embedding usually means adding duktape.c, duktape.h, and duk_config.h to the host build, creating a heap, and using the C API to call ECMAScript from C or expose C functions to script code. The command-line duk executable is useful for quick testing, but the package's main value is as a library.

Duktape implements ES5/E5.1 with selected later semantics and partial ES2015/ES2016 features. Its feature set includes typed arrays, Node.js Buffer bindings, WHATWG Encoding API bindings, CBOR bindings, a debugger, Unicode support, coroutines, bytecode dump/load, finalization, and low-memory configuration options.

パッケージ好きにとっての重要性

Duktape is significant because it occupies the small-engine end of the JavaScript runtime map. Package maintainers care about it as a portable C library with a permissive license, a stable release archive, and a footprint small enough for embedded systems.

It is also a useful point of comparison against QuickJS, MuJS, JerryScript, Espruino, and v7. Those engines all answer the same broad question - how small and embeddable can JavaScript be - with different tradeoffs around standards coverage, performance, licensing, and host integration.

タイムライン

• 2013: 0.6.0 alpha released with first public API work.
• 2014: 1.0.0 released as the stable baseline.
• 2015: 1.2.0 added debugger and script-timeout support; 1.3.0 added typed arrays and duk_config.h.
• 2016: 1.5.0 added low-memory and debugger improvements; 1.6.0 added suspend/resume.
• 2017: 2.0.0 released with buffers, ES2015 improvements, performance, and footprint work.
• 2018: 2.3.0 included ES2015 improvements.
• 2019: 2.5.0 added CBOR support and other improvements.
• 2022: 2.7.0 released as a maintenance-focused 2.x release.

Related projects

• QuickJS, MuJS, JerryScript, Espruino, v7, tiny-js, and quad-wheel are listed by Duktape as similar engines for compact or embeddable JavaScript use cases.
• V8 and SpiderMonkey are larger JavaScript engines that are often unsuitable when Duktape's compact single-source embedding model is the requirement.
• Lua is a frequent embedded-scripting comparison point, and the Duktape guide explicitly includes a comparison-to-Lua section.

ソース

• https://duktape.org/
• https://duktape.org/download
• https://duktape.org/guide
• https://duktape.org/api
• https://wiki.duktape.org/projectsusingduktape
• https://github.com/svaarala/duktape
• https://formulae.brew.sh/formula/duktape