[{"_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","5ecfaa2fe5bda239b33f09076a49792d4cc04dec","path","packages/editor/src/provider.test.ts","oid","bca47cf6e371901b546ceb51e2e31501e949ebbf","size",8965,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","/**\n * Opening the document, when something beside it is broken.\n *\n * A plan is the point of the room; anchors decorate it. Resolving them used to\n * happen between applying the document and declaring it synced, so anything\n * that threw while working out where a decision pointed skipped the emit — and\n * because `connect` is started and forgotten, the editor stayed locked for the\n * rest of the session with nothing said about it anywhere.\n *\n * These pin the ordering and the guard. Painting is not tested: it needs real\n * layout, and happy-dom returns zero for every measurement.\n */\n\nimport { describe, expect, it } from \"bun:test\";\nimport * as Y from \"yjs\";\n\nimport { PlanProvider } from \"./provider\";\n\nimport type { Plan } from \"@chopin/protocol\";\nimport type { Transport, Unsubscribe } from \"./transport\";\n\n/** base64 of an empty Yjs update, which is what an empty plan opens with. */\nfunction emptyUpdate(): string {\n\tlet update = Y.encodeStateAsUpdate(new Y.Doc());\n\tlet binary = \"\";\n\tfor (let byte of update) binary += String.fromCharCode(byte);\n\treturn btoa(binary);\n}\n\nfunction reply(): Plan.Open.Reply {\n\treturn {\n\t\tkind: \"plan:open\",\n\t\tts: 0,\n\t\tepoch: \"01K0N4TR8K7JGM4R1J7PW4R8YJ\",\n\t\tseq: 1,\n\t\tupdate: emptyUpdate(),\n\t\trevision: 1,\n\t\tanchors: [],\n\t\tthreads: [],\n\t\tprose: [],\n\t\tlimits: { source: 1_000, update: 1_000, depth: 10 },\n\t};\n}\n\n/**\n * A transport that answers `plan:open` and records what was asked of it.\n *\n * `connected` is settable, because the thing being tested is what happens when\n * a socket has not finished its handshake by the time something mounts against\n * it — and refuses the request the way the real one does.\n */\nfunction wire(open = true): Transport & {\n\tsent: string[];\n\tasked: object[];\n\tup: boolean;\n\temit: (kind: string, frame: unknown) => void;\n} {\n\tlet sent: string[] = [];\n\tlet asked: object[] = [];\n\tlet handlers = new Map void>>();\n\n\treturn {\n\t\tsent,\n\t\tasked,\n\t\tup: open,\n\t\tget connected(): boolean {\n\t\t\treturn this.up;\n\t\t},\n\t\ton(kind: string, handler: (frame: T) => void): Unsubscribe {\n\t\t\tlet set = handlers.get(kind);\n\t\t\tif (!set) handlers.set(kind, set = new Set());\n\t\t\tset.add(handler as (frame: never) => void);\n\t\t\treturn () => set!.delete(handler as (frame: never) => void);\n\t\t},\n\t\temit(kind: string, frame: unknown) {\n\t\t\tfor (let handler of handlers.get(kind) ?? []) handler(frame as never);\n\t\t},\n\t\tsend(kind: string) {\n\t\t\tsent.push(kind);\n\t\t},\n\t\task(kind: string, payload: Record = {}): Promise {\n\t\t\tif (!this.up) return Promise.reject(new Error(\"not connected\"));\n\t\t\tsent.push(kind);\n\t\t\tasked.push(payload);\n\t\t\tif (kind === \"plan:open\") return Promise.resolve(reply() as T);\n\t\t\treturn Promise.resolve(undefined as T);\n\t\t},\n\t};\n}\n\nfunction quietly(run: () => T): T {\n\tlet complain = console.error;\n\tconsole.error = () => {};\n\ttry {\n\t\treturn run();\n\t} finally {\n\t\tconsole.error = complain;\n\t}\n}\n\ndescribe(\"opening the plan\", () => {\n\tit(\"declares the document synced\", async () => {\n\t\tlet synced: boolean[] = [];\n\t\tlet provider = new PlanProvider({ wire: wire(), doc: new Y.Doc() });\n\t\tprovider.on(\"sync\", value => synced.push(value));\n\n\t\tawait provider.connect();\n\n\t\texpect(synced).toContain(true);\n\t});\n\n\t/**\n\t * The ordering that matters: a throw from anchors resolution must arrive\n\t * after the document is usable, not instead of it.\n\t */\n\tit(\"stays usable when working out where decisions point throws\", async () => {\n\t\tlet synced: boolean[] = [];\n\t\tlet provider = new PlanProvider({\n\t\t\twire: wire(),\n\t\t\tdoc: new Y.Doc(),\n\t\t\tonAnchors() {\n\t\t\t\tthrow new Error(\"could not resolve\");\n\t\t\t},\n\t\t});\n\t\tprovider.on(\"sync\", value => synced.push(value));\n\n\t\tawait quietly(async () => {\n\t\t\tawait expect(provider.connect()).resolves.toBeUndefined();\n\t\t});\n\n\t\texpect(synced).toContain(true);\n\t});\n\n\tit(\"hands over the anchors it was given\", async () => {\n\t\tlet seen: Array<{ widgets: unknown[]; threads: unknown[]; prose: unknown[] }> = [];\n\t\tlet provider = new PlanProvider({\n\t\t\twire: wire(),\n\t\t\tdoc: new Y.Doc(),\n\t\t\tonAnchors: snapshot => seen.push(snapshot),\n\t\t});\n\n\t\tawait provider.connect();\n\n\t\texpect(seen).toHaveLength(1);\n\t\texpect(seen[0]).toEqual({ widgets: [], threads: [], prose: [] });\n\t});\n\n\tit(\"passes current-epoch prose snapshots through and drops stale ones\", async () => {\n\t\tlet transport = wire();\n\t\tlet seen: Array<{ widgets: unknown[]; threads: unknown[]; prose: unknown[] }> = [];\n\t\tlet provider = new PlanProvider({\n\t\t\twire: transport,\n\t\t\tdoc: new Y.Doc(),\n\t\t\tonAnchors: snapshot => seen.push(snapshot),\n\t\t});\n\t\tawait provider.connect();\n\t\tlet prose: Plan.ProseAnchors = {\n\t\t\twidget: \"card-a\",\n\t\t\tanchors: [],\n\t\t\torphaned: true,\n\t\t};\n\t\ttransport.emit(\n\t\t\t\"plan:anchors\",\n\t\t\t{\n\t\t\t\tkind: \"plan:anchors\",\n\t\t\t\tts: 0,\n\t\t\t\tepoch: \"old-epoch\",\n\t\t\t\twidgets: [],\n\t\t\t\tthreads: [],\n\t\t\t\tprose: [prose],\n\t\t\t} satisfies Plan.Anchors,\n\t\t);\n\t\texpect(seen).toHaveLength(1);\n\t\ttransport.emit(\n\t\t\t\"plan:anchors\",\n\t\t\t{\n\t\t\t\tkind: \"plan:anchors\",\n\t\t\t\tts: 0,\n\t\t\t\tepoch: reply().epoch,\n\t\t\t\twidgets: [],\n\t\t\t\tthreads: [],\n\t\t\t\tprose: [prose],\n\t\t\t} satisfies Plan.Anchors,\n\t\t);\n\t\texpect(seen.at(-1)?.prose).toEqual([prose]);\n\t});\n\n\tit(\"treats a pre-prose anchors frame as an empty prose snapshot\", async () => {\n\t\tlet transport = wire();\n\t\tlet seen: Array<{ prose: Plan.ProseAnchors[] }> = [];\n\t\tlet provider = new PlanProvider({\n\t\t\twire: transport,\n\t\t\tdoc: new Y.Doc(),\n\t\t\tonAnchors: snapshot => seen.push(snapshot),\n\t\t});\n\t\tawait provider.connect();\n\n\t\ttransport.emit(\"plan:anchors\", {\n\t\t\tkind: \"plan:anchors\",\n\t\t\tts: 0,\n\t\t\tepoch: reply().epoch,\n\t\t\twidgets: [],\n\t\t\tthreads: [],\n\t\t} as unknown as Plan.Anchors);\n\n\t\texpect(seen.at(-1)?.prose).toEqual([]);\n\t});\n\n\t/**\n\t * `connect` is started and forgotten, so a rejection has nowhere to go.\n\t * Whoever started it says so instead, and the chrome stops claiming the\n\t * plan is still loading.\n\t */\n\t/**\n\t * The bug this exists for.\n\t *\n\t * A socket comes up on its own schedule and the editor mounts on React's;\n\t * nothing makes the two coincide. Opening against a handshake that has not\n\t * finished used to reject once and never be tried again, leaving the editor\n\t * locked for the session with the chrome still claiming to be loading.\n\t */\n\tit(\"waits rather than failing when the socket is not up yet\", async () => {\n\t\tlet transport = wire(false);\n\t\tlet synced: boolean[] = [];\n\t\tlet provider = new PlanProvider({ wire: transport, doc: new Y.Doc() });\n\t\tprovider.on(\"sync\", value => synced.push(value));\n\n\t\tawait expect(provider.connect()).resolves.toBeUndefined();\n\n\t\texpect(transport.sent).toEqual([]);\n\t\texpect(synced).not.toContain(true);\n\t});\n\n\tit(\"opens as soon as the socket comes up\", async () => {\n\t\tlet transport = wire(false);\n\t\tlet synced: boolean[] = [];\n\t\tlet provider = new PlanProvider({ wire: transport, doc: new Y.Doc() });\n\t\tprovider.on(\"sync\", value => synced.push(value));\n\t\tawait provider.connect();\n\n\t\ttransport.up = true;\n\t\tawait provider.resume();\n\n\t\texpect(transport.sent).toEqual([\"plan:open\"]);\n\t\texpect(synced).toContain(true);\n\t});\n\n\tit(\"stays quiet on a connection that never comes up\", async () => {\n\t\tlet transport = wire(false);\n\t\tlet provider = new PlanProvider({ wire: transport, doc: new Y.Doc() });\n\t\tawait provider.connect();\n\n\t\tawait provider.resume();\n\t\tawait provider.resume();\n\n\t\texpect(transport.sent).toEqual([]);\n\t});\n\n\t/**\n\t * The second half of the same gap. `#open` is the only thing that asks for\n\t * what was missed and the only thing that replays the outbox, so a\n\t * reconnect that does not re-open leaves the editor unlocked over a\n\t * document quietly short of everybody else's edits.\n\t */\n\tit(\"asks again after a reconnect, for only what it missed\", async () => {\n\t\tlet transport = wire();\n\t\tlet provider = new PlanProvider({ wire: transport, doc: new Y.Doc() });\n\t\tawait provider.connect();\n\n\t\tawait provider.resume();\n\n\t\texpect(transport.sent).toEqual([\"plan:open\", \"plan:open\"]);\n\t\t// The second carries what it already has, so the server replies with\n\t\t// the difference rather than the whole document.\n\t\texpect(transport.asked[1]).toMatchObject({\n\t\t\tepoch: \"01K0N4TR8K7JGM4R1J7PW4R8YJ\",\n\t\t\tvector: expect.any(String),\n\t\t});\n\t});\n\n\tit(\"does not ask twice while an open is already in flight\", async () => {\n\t\tlet transport = wire();\n\t\tlet provider = new PlanProvider({ wire: transport, doc: new Y.Doc() });\n\t\tawait provider.connect();\n\t\ttransport.sent.length = 0;\n\n\t\tawait Promise.all([provider.resume(), provider.resume(), provider.resume()]);\n\n\t\texpect(transport.sent).toEqual([\"plan:open\"]);\n\t});\n\n\tit(\"can be told it failed, so the chrome does not say loading forever\", () => {\n\t\tlet states: Array<{ status: string; message?: string }> = [];\n\t\tlet provider = new PlanProvider({ wire: wire(), doc: new Y.Doc() 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