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Marc-André Bombeck
0b1757ff6f
Under Node, pdf.js runs its worker in the server process and keeps it on a global, and whichever copy of pdf.js opens a document first owns that global until a restart. The local text read went through pdf-parse, which pins its own pdfjs-dist 5.4.296; the rasterizer uses the app's 6.4.299. A text read first made every later rasterization fail with "The API version does not match the Worker version" (thumbnails raster-failed, the vision read of a scan 422), and a rasterization first made every later local text read fail, which left the document out of the search index with nothing in the logs. src/lib/documents/pdfjs.ts is now the one place pdf.js is loaded and opened, with one set of options (asset directories, no eval, no system fonts). The text read walks the pages with getTextContent and lays the text out the way pdf-parse did with the options it was called with: line breaks, tabs between far-apart items, a blank line after each page, the 200-page cap. Text extracted from the PDF fixtures and from generated lab tables, encrypted files and doctor reports is identical before and after. A failed text read now emits documents.local_extract.failed with the error pdf.js threw, and annotates the index event with it, instead of returning a bare error. The report tests read PDF text through the same reader. Two tests, one per order, run a text read and a rasterization in one process; both failed before this change. Refs #1277