feat(task-013): add draft assembly API, immutable versioning, and editor preview

2026-05-21 23:33:15 +03:00
parent 8ebb5ad623
commit c3914bf8be
19 changed files with 2416 additions and 16 deletions
@@ -0,0 +1,75 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+import ts from "typescript";
+
+const testDir = path.dirname(fileURLToPath(import.meta.url));
+const sourcePath = path.resolve(testDir, "../src/features/article-draft/model.ts");
+const source = readFileSync(sourcePath, "utf8");
+const compiled = ts.transpileModule(source, {
+  compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022 },
+});
+
+const moduleExports = {};
+new Function("exports", compiled.outputText)(moduleExports);
+
+const { compareDraftVersions, parseDraftPreview, selectDraftById } = moduleExports;
+
+const baseDraft = {
+  id: "11111111-1111-1111-1111-111111111111",
+  article_id: "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa",
+  version: 1,
+  title: "Draft One",
+  slug: "draft-one",
+  meta_title: "Meta One",
+  meta_description: "Description One",
+  body_object_key: "articles/a/drafts/v1.md",
+  body_markdown: [
+    "# Draft One",
+    "",
+    "## Intro",
+    "See [guide](https://example.com/guide).",
+    "",
+    "| A | B |",
+    "| --- | --- |",
+    "| 1 | 2 |",
+    "",
+    "![Mock](placeholder://mock/1)",
+  ].join("\n"),
+  faq_items: [{ question: "What is this?", answer: "Preview draft." }],
+  visual_placeholders: ["![Mock](placeholder://mock/1)"],
+  evidence_references: ["evidence-id-1"],
+  unsupported_claim_warnings: [],
+  based_on_draft_id: null,
+  status: "DRAFT_ASSEMBLED",
+  created_at: "2026-05-21T00:00:00Z",
+  updated_at: "2026-05-21T00:00:00Z",
+};
+
+const secondDraft = {
+  ...baseDraft,
+  id: "22222222-2222-2222-2222-222222222222",
+  version: 2,
+  title: "Draft Two",
+  meta_title: "Meta Two",
+  body_markdown: `${baseDraft.body_markdown}\n\nRevision note.`,
+  based_on_draft_id: baseDraft.id,
+};
+
+const previewBlocks = parseDraftPreview(baseDraft.body_markdown, baseDraft.faq_items);
+assert.ok(previewBlocks.some((block) => block.type === "heading" && block.text === "Draft One"));
+assert.ok(previewBlocks.some((block) => block.type === "table"));
+assert.ok(previewBlocks.some((block) => block.type === "image" && block.src === "placeholder://mock/1"));
+assert.ok(previewBlocks.some((block) => block.type === "paragraph" && block.links.length === 1));
+assert.ok(previewBlocks.some((block) => block.type === "faq" && block.items.length === 1));
+
+const selected = selectDraftById([secondDraft, baseDraft], baseDraft.id);
+assert.equal(selected.id, baseDraft.id);
+
+const comparison = compareDraftVersions(secondDraft, baseDraft);
+assert.equal(comparison.titleChanged, true);
+assert.equal(comparison.metaTitleChanged, true);
+assert.equal(comparison.bodyChanged, true);
+assert.ok(comparison.changedLineCount >= 1);