9a807e972d
First step of docs/git-sync-plan.md. New workspace package @docmost/git-sync vendoring the PURE parts from docmost-sync (HEAD b03eb35): - lib: markdown-converter, markdown-document, canonicalize, docmost-schema, node-ops, diff, and an extracted markdown-to-prosemirror (only the pure marked->HTML->generateJSON path from upstream collaboration.ts; no websocket). - engine (pure, no IO): reconcile, layout, sanitize, stabilize, loop-guard. Ported the upstream pure-module + round-trip corpus tests (vitest): 314 pass, 3 expected upstream known-limitation fails. tsc clean. No server wiring yet. docmost-schema inlines getStyleProperty (as packages/mcp does — @tiptap/core 3.20.4 doesn't export it). IO engine (pull/push/git/settings) deferred to later Phase A/B steps; the editor-ext idempotency gate (plan §13.1) is the next step. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
37 lines
1.9 KiB
JavaScript
37 lines
1.9 KiB
JavaScript
/**
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* Normalize-on-write helper (SPEC §11 "Резолюция").
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*
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* git diffs byte-for-byte, so writing a page in a NON-fixpoint markdown form
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* would make the next pull re-export it to a slightly different (but stable)
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* form and produce a phantom diff -> churny commits. The converter has a couple
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* of known one-pass asymmetries (a block image after a paragraph adds an empty
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* paragraph; a diagram materializes `data-align`), all of which converge to a
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* fixpoint after ONE `export -> import -> export` round-trip.
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*
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* So at write time we run exactly that one pass and persist the fixpoint form.
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* Already-stable content is unaffected (the pass is idempotent), so re-pulls of
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* unchanged pages produce identical bytes and git sees no diff.
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*/
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import { convertProseMirrorToMarkdown, markdownToProseMirror, serializeDocmostMarkdownBody, } from "../lib/index.js";
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/**
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* Produce the self-contained `.md` file text for a page from its raw
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* ProseMirror `content` + identity meta, in the verified fixpoint form.
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*
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* md1 = convertProseMirrorToMarkdown(content)
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* doc2 = markdownToProseMirror(md1) // one import...
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* stableBody = convertProseMirrorToMarkdown(doc2) // ...and re-export
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* file = serializeDocmostMarkdownBody(meta, stableBody)
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*
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* The single export->import->export pass is the verified fixpoint (SPEC §11):
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* idempotent for already-stable content, and the convergence point for the
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* known converter asymmetries.
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*/
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export async function stabilizePageFile(content, meta) {
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const md1 = convertProseMirrorToMarkdown(content);
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const doc2 = await markdownToProseMirror(md1);
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const stableBody = convertProseMirrorToMarkdown(doc2);
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// The meta shape is exactly what `exportPageBody` writes; cast to the lib's
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// DocmostMdMeta (a superset with optional fields) for the serializer.
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return serializeDocmostMarkdownBody(meta, stableBody);
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}
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