imagejs を Homebrew でインストール

プロジェクトリンク

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• imagejs

プロジェクトの歴史

The project appeared on GitHub in 2014 and credits Ajin Abraham's work on GIFs serving JavaScript as the idea that inspired the C implementation. The README says imagejs added bitmap support, and the changelog shows later support for GIF injection, BMP injection, WebP injection, and additional output formats.

採用の歴史

imagejs remained a niche security package rather than a broad media utility. GitHub repository metadata shows far more stars than package-manager breadth, and the input metadata lists Homebrew as the only package-manager mapping for this batch.

使われ方

Users run imagejs with an output type and a JavaScript file, producing an image-like file named after the input. The README documents BMP, GIF, WebP, PNM, and PGF outputs, a line-viewable BMP mode, and injection into existing GIF files.

パッケージ好きにとっての重要性

The package is interesting because it lives at the boundary between file-format polyglots and web security demonstrations. It is not a general steganography suite; it is a compact package for showing how MIME assumptions, image upload policies, and script execution contexts can collide.

タイムライン

• 2014: GitHub repository is created.
• 0.4.1: GIF, BMP, WebP, PNM, and PGF output support is documented in the changelog.
• 0.5.0: GIF injection support is added.
• 0.6.0: BMP injection support is added.
• 0.7.0: WebP injection support is added.

Related projects

• The README names Ajin Abraham's GIF/JavaScript work as the source idea. Conceptually, imagejs is related to polyglot-file demos, browser XSS testing, and image steganography tools, although its stated goal is executable JavaScript-in-image proof of concept rather than secret-message hiding.

ソース

• Project README, changelog, GitHub repository metadata, GitHub tags, and Homebrew formula metadata.