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@plurnk/plurnk-mimetypes-application-pdf

v1.2.0

Published

application/pdf mimetype handler for plurnk-service. Binary content; hybrid preview surfaces bookmark outline/Title when present and falls back to extracted page text otherwise; query supports regex/glob via extracted text and jsonpath against the outline

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Maintainers

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Keywords

Readme

@plurnk/plurnk-mimetypes-application-pdf

application/pdf mimetype handler for the plurnk ecosystem. Binary content; extracts text via pdfjs-dist.

install

npm i @plurnk/plurnk-mimetypes-application-pdf

what it does

PDF is a binary mimetype — the package declares plurnk.binary: true, and the framework reads files as Uint8Array before passing to handler methods.

  • validate(content) checks the %PDF- header; throws SyntaxError on non-PDF input.
  • extractRaw(content) surfaces the outline (bookmark TOC) as heading symbols plus the metadata Title; empty when the PDF carries neither.
  • deepJson(content) returns a document model — metadata, detect-only security signals (hasJavaScript / hasEmbeddedFiles, presence only, never executed), external links, and AcroForm fields; null on parse failure.
  • toText(content) extracts page text (joined with \n\n) for regex/glob queries and the model-facing readable body; page-count bounded by PLURNK_MIMETYPES_PDF_MAX_PAGES (unset → unbounded).
  • query(content, …) runs jsonpath over the outline ($['Chapter 1']), regex/glob over toText.

Resource caps are unbounded by default; set PLURNK_MIMETYPES_PDF_MAX_BYTES / PLURNK_MIMETYPES_PDF_MAX_PAGES to a positive integer to cap (malformed → crash). See .env.example.

Salvage pattern from rummy.web/WebFetcher.js: pdfjs configured with isEvalSupported: false (no PDF JS execution) and verbosity: 0 (silences font-warning noise — we read text streams directly, not glyphs).

license

MIT.