[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10,"_11":12},"actionData","errors","root",{"_228":-5,"_231":232,"_233":234},"routes/shell",{"_40":41,"_227":-5,"_228":-5,"_229":230},"routes/repo",{"_33":-7,"_34":35,"_36":37,"_38":39,"_40":41,"_42":31,"_43":31,"_44":31,"_45":31,"_46":31,"_47":31,"_48":49,"_50":49,"_51":31,"_52":-7,"_53":-7,"_54":55,"_56":57,"_58":59,"_60":-5,"_61":62,"_63":64,"_65":66,"_67":68},"routes/repo.blob",{"_13":14,"_15":16,"_17":18,"_19":20,"_21":14,"_22":23,"_24":-5,"_25":26,"_27":28,"_28":29,"_30":31,"_32":14},"ref","540c499c5c1dbbf85d06b7d09bbcfad41253e934","path","apps/server/src/plan.test.ts","oid","e947798d746a7f6f7b7191aee2426111acd9e95b","size",10120,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","/**\n * The plan, over a real socket.\n *\n * Covers the contract a browser depends on: that opening returns a document,\n * that an accepted update is acknowledged to its sender and relayed to\n * everyone else, and that what was typed is still there after a restart.\n */\n\nimport { afterEach, describe, expect, it } from \"bun:test\";\nimport { rm } from \"node:fs/promises\";\nimport { tmpdir } from \"node:os\";\nimport { join } from \"node:path\";\nimport { createHeadlessEditor } from \"@lexical/headless\";\nimport { createYjsBinding, syncLexicalUpdateToYjs, syncYjsChangesToLexical } from \"@lexical/yjs\";\nimport { $getRoot } from \"lexical\";\nimport * as Y from \"yjs\";\n\nimport { $importPlan, registry } from \"@chopin/dialect\";\n\nimport type { Subprocess } from \"bun\";\nimport type { Binding, Provider } from \"@lexical/yjs\";\nimport type { LexicalEditor } from \"lexical\";\n\nconst REGISTRY = registry();\n\nconst PROVIDER = {\n\tawareness: {\n\t\tgetLocalState: () => null,\n\t\tgetStates: () => new Map(),\n\t\toff() {},\n\t\ton() {},\n\t\tsetLocalState() {},\n\t\tsetLocalStateField() {},\n\t},\n\tconnect() {},\n\tdisconnect() {},\n\toff() {},\n\ton() {},\n} as unknown as Provider;\n\ntype Frames = Array>;\n\nlet running: Subprocess[] = [];\nlet dirs: string[] = [];\n\nafterEach(async () => {\n\tfor (let server of running) server.kill();\n\trunning = [];\n\tfor (let dir of dirs) await rm(dir, { recursive: true, force: true });\n\tdirs = [];\n});\n\nasync function serve(port: number, dataDir: string): Promise {\n\tlet server = Bun.spawn([\"bun\", join(import.meta.dir, \"main.ts\")], {\n\t\tenv: {\n\t\t\t...process.env,\n\t\t\tPORT: String(port),\n\t\t\tDATA_DIR: dataDir,\n\t\t\tSERVER_HOST: \"127.0.0.1\",\n\t\t\tAGENT: \"off\",\n\t\t\tAUTH_DRIVER: \"off\",\n\t\t\tSTORAGE_DRIVER: \"legacy\",\n\t\t},\n\t\tstdout: \"ignore\",\n\t\tstderr: \"inherit\",\n\t});\n\trunning.push(server);\n\n\tfor (let i = 0; i < 200; i++) {\n\t\ttry {\n\t\t\tawait fetch(`http://127.0.0.1:${port}/`);\n\t\t\treturn;\n\t\t} catch {\n\t\t\tawait Bun.sleep(20);\n\t\t}\n\t}\n\tthrow new Error(\"server did not start\");\n}\n\nasync function connect(port: number, room: string, as: string) {\n\tlet socket = new WebSocket(`ws://127.0.0.1:${port}/ws?room=${room}&as=${as}`);\n\tlet frames: Frames = [];\n\tsocket.addEventListener(\"message\", event => {\n\t\tframes.push(JSON.parse(String(event.data)) as Record);\n\t});\n\tawait new Promise((resolve, reject) => {\n\t\tsocket.addEventListener(\"open\", () => resolve());\n\t\tsocket.addEventListener(\"error\", () => reject(new Error(\"refused\")));\n\t});\n\treturn { socket, frames };\n}\n\nasync function until(read: () => T | undefined, label: string): Promise {\n\tfor (let i = 0; i < 300; i++) {\n\t\tlet value = read();\n\t\tif (value !== undefined) return value;\n\t\tawait Bun.sleep(10);\n\t}\n\tthrow new Error(`timed out waiting for ${label}`);\n}\n\nfunction seen(frames: Frames, kind: string) {\n\treturn () => frames.find(item => item.kind === kind);\n}\n\n/** A browser's half of the document. */\nfunction client(): { editor: LexicalEditor; doc: Y.Doc; binding: Binding } {\n\tlet editor = createHeadlessEditor({\n\t\tnodes: REGISTRY.nodes,\n\t\tonError(err) {\n\t\t\tthrow err;\n\t\t},\n\t});\n\tlet doc = new Y.Doc();\n\tlet binding = createYjsBinding({ editor, id: \"plan\", doc, docMap: new Map([[\"plan\", doc]]) });\n\n\teditor.registerUpdateListener(\n\t\t({ dirtyElements, dirtyLeaves, editorState, normalizedNodes, prevEditorState, tags }) => {\n\t\t\tif (tags.has(\"skip-collab\")) return;\n\t\t\tsyncLexicalUpdateToYjs(\n\t\t\t\tbinding,\n\t\t\t\tPROVIDER,\n\t\t\t\tprevEditorState,\n\t\t\t\teditorState,\n\t\t\t\tdirtyElements,\n\t\t\t\tdirtyLeaves,\n\t\t\t\tnormalizedNodes,\n\t\t\t\ttags,\n\t\t\t);\n\t\t},\n\t);\n\tbinding.root.getSharedType().observeDeep((events, transaction) => {\n\t\tif (transaction.origin !== binding) syncYjsChangesToLexical(binding, PROVIDER, events, false);\n\t});\n\n\treturn { editor, doc, binding };\n}\n\nasync function open(socket: WebSocket, frames: Frames, rid: string) {\n\tsocket.send(JSON.stringify({ kind: \"plan:open\", ts: 0, rid }));\n\treturn until(\n\t\t() => frames.find(item => item.kind === \"plan:open\" && item.rid === rid),\n\t\t\"plan:open reply\",\n\t);\n}\n\nfunction scratch(): string {\n\tlet dir = join(tmpdir(), `chopin-test-${crypto.randomUUID().slice(0, 8)}`);\n\tdirs.push(dir);\n\treturn dir;\n}\n\n/** Write `source` into a peer's document and return the update to send. */\nasync function edit(peer: ReturnType, source: string): Promise {\n\tlet before = Y.encodeStateVector(peer.doc);\n\tpeer.editor.update(() => {\n\t\t$importPlan(source, { registry: REGISTRY, validate: false });\n\t}, { discrete: true });\n\tawait Bun.sleep(10);\n\treturn Buffer.from(Y.encodeStateAsUpdate(peer.doc, before)).toString(\"base64\");\n}\n\ndescribe(\"opening\", () => {\n\tit(\"hands back an epoch, a revision and the limits it will enforce\", async () => {\n\t\tlet port = 8910;\n\t\tawait serve(port, scratch());\n\n\t\tlet { socket, frames } = await connect(port, \"open\", \"octocat\");\n\t\tlet reply = await open(socket, frames, \"r1\");\n\n\t\texpect(typeof reply.epoch).toBe(\"string\");\n\t\texpect(reply.seq).toBe(0);\n\t\texpect(reply.revision).toBe(0);\n\t\texpect(reply.limits).toMatchObject({ source: 262144, depth: 20 });\n\n\t\tsocket.close();\n\t});\n\n\tit(\"gives two members the same epoch\", async () => {\n\t\tlet port = 8911;\n\t\tawait serve(port, scratch());\n\n\t\tlet first = await connect(port, \"shared\", \"octocat\");\n\t\tlet second = await connect(port, \"shared\", \"hubot\");\n\n\t\tlet one = await open(first.socket, first.frames, \"a\");\n\t\tlet two = await open(second.socket, second.frames, \"b\");\n\n\t\texpect(two.epoch).toBe(one.epoch);\n\n\t\tfirst.socket.close();\n\t\tsecond.socket.close();\n\t});\n});\n\ndescribe(\"updates\", () => {\n\tit(\"acknowledges the sender and relays to everyone else\", async () => {\n\t\tlet port = 8912;\n\t\tawait serve(port, scratch());\n\n\t\tlet author = await connect(port, \"edits\", \"octocat\");\n\t\tlet reader = await connect(port, \"edits\", \"hubot\");\n\t\tlet hello = await open(author.socket, author.frames, \"a\");\n\t\tawait open(reader.socket, reader.frames, \"b\");\n\n\t\tlet peer = client();\n\t\tY.applyUpdate(peer.doc, new Uint8Array(Buffer.from(String(hello.update), \"base64\")), \"remote\");\n\t\tawait Bun.sleep(20);\n\n\t\tlet update = await edit(peer, \"# Written by a test\\n\");\n\t\tauthor.socket.send(JSON.stringify({\n\t\t\tkind: \"plan:update\",\n\t\t\tts: 0,\n\t\t\trid: \"u1\",\n\t\t\tepoch: hello.epoch,\n\t\t\tid: \"update-1\",\n\t\t\tupdate,\n\t\t}));\n\n\t\tlet ack = await until(seen(author.frames, \"plan:ack\"), \"ack\");\n\t\texpect(ack.id).toBe(\"update-1\");\n\t\texpect(ack.epoch).toBe(hello.epoch);\n\n\t\tlet relayed = await until(seen(reader.frames, \"plan:update\"), \"relay\");\n\t\texpect(relayed.update).toBe(update);\n\t\t// The sender applied it locally already; echoing wastes a round trip.\n\t\texpect(author.frames.find(item => item.kind === \"plan:update\")).toBeUndefined();\n\n\t\tauthor.socket.close();\n\t\treader.socket.close();\n\t});\n\n\tit(\"ignores an update aimed at an epoch that no longer exists\", async () => {\n\t\tlet port = 8913;\n\t\tawait serve(port, scratch());\n\n\t\tlet { socket, frames } = await connect(port, \"stale\", \"octocat\");\n\t\tlet hello = await open(socket, frames, \"a\");\n\n\t\tlet peer = client();\n\t\tY.applyUpdate(peer.doc, new Uint8Array(Buffer.from(String(hello.update), \"base64\")), \"remote\");\n\t\tawait Bun.sleep(20);\n\n\t\tsocket.send(JSON.stringify({\n\t\t\tkind: \"plan:update\",\n\t\t\tts: 0,\n\t\t\trid: \"u1\",\n\t\t\tepoch: \"01JQQQQQQQQQQQQQQQQQQQQQQQ\",\n\t\t\tid: \"update-1\",\n\t\t\tupdate: await edit(peer, \"# Ignored\\n\"),\n\t\t}));\n\n\t\tawait Bun.sleep(200);\n\t\texpect(frames.find(item => item.kind === \"plan:ack\")).toBeUndefined();\n\n\t\tsocket.close();\n\t});\n});\n\ndescribe(\"durability\", () => {\n\tit(\"writes canonical MDX and reports itself saved\", async () => {\n\t\tlet port = 8914;\n\t\tlet dir = scratch();\n\t\tawait serve(port, dir);\n\n\t\tlet { socket, frames } = await connect(port, \"saved\", \"octocat\");\n\t\tlet hello = await open(socket, frames, \"a\");\n\n\t\tlet peer = client();\n\t\tY.applyUpdate(peer.doc, new Uint8Array(Buffer.from(String(hello.update), \"base64\")), \"remote\");\n\t\tawait Bun.sleep(20);\n\n\t\tsocket.send(JSON.stringify({\n\t\t\tkind: \"plan:update\",\n\t\t\tts: 0,\n\t\t\trid: \"u1\",\n\t\t\tepoch: hello.epoch,\n\t\t\tid: \"update-1\",\n\t\t\tupdate: await edit(peer, \"# Durable\\n\\nStill here.\\n\"),\n\t\t}));\n\n\t\tawait until(\n\t\t\t() => frames.find(item => item.kind === \"plan:status\" && item.state === \"saved\"),\n\t\t\t\"saved\",\n\t\t);\n\n\t\tlet written = await Bun.file(join(dir, \"saved\", \"plan.mdx\")).text();\n\t\texpect(written).toBe(\"# Durable\\n\\nStill here.\\n\");\n\n\t\tsocket.close();\n\t});\n\n\t/**\n\t * The point of snapshotting at all. Yjs history is not persisted, so this\n\t * comes back under a new epoch — which is a boundary clients already know\n\t * how to handle.\n\t */\n\tit(\"still has the plan after a restart\", async () => {\n\t\tlet dir = scratch();\n\n\t\tawait serve(8915, dir);\n\t\tlet first = await connect(8915, \"restart\", \"octocat\");\n\t\tlet hello = await open(first.socket, first.frames, \"a\");\n\n\t\tlet peer = client();\n\t\tY.applyUpdate(peer.doc, new Uint8Array(Buffer.from(String(hello.update), \"base64\")), \"remote\");\n\t\tawait Bun.sleep(20);\n\n\t\tfirst.socket.send(JSON.stringify({\n\t\t\tkind: \"plan:update\",\n\t\t\tts: 0,\n\t\t\trid: \"u1\",\n\t\t\tepoch: hello.epoch,\n\t\t\tid: \"update-1\",\n\t\t\tupdate: await edit(peer, \"# Survives\\n\"),\n\t\t}));\n\t\tawait until(\n\t\t\t() => first.frames.find(item => item.kind === \"plan:status\" && item.state === \"saved\"),\n\t\t\t\"saved\",\n\t\t);\n\t\tfirst.socket.close();\n\t\tfor (let server of running) server.kill();\n\t\trunning = [];\n\n\t\tawait serve(8916, dir);\n\t\tlet second = await connect(8916, \"restart\", \"octocat\");\n\t\tlet resumed = await open(second.socket, second.frames, \"b\");\n\n\t\tlet reader = client();\n\t\tY.applyUpdate(\n\t\t\treader.doc,\n\t\t\tnew Uint8Array(Buffer.from(String(resumed.update), \"base64\")),\n\t\t\t\"remote\",\n\t\t);\n\t\tawait Bun.sleep(50);\n\n\t\tlet text = \"\";\n\t\treader.editor.getEditorState().read(() => {\n\t\t\ttext = $getRoot().getTextContent();\n\t\t});\n\t\texpect(text).toContain(\"Survives\");\n\t\texpect(resumed.epoch).not.toBe(hello.epoch);\n\n\t\tsecond.socket.close();\n\t});\n\n\tit(\"leaves no directory behind for a room nobody wrote in\", async () => {\n\t\tlet port = 8917;\n\t\tlet dir = scratch();\n\t\tawait serve(port, dir);\n\n\t\tlet { socket, frames } = await connect(port, \"untouched\", \"octocat\");\n\t\tawait open(socket, frames, \"a\");\n\t\tawait Bun.sleep(300);\n\n\t\texpect(await Bun.file(join(dir, \"untouched\", 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