[{"_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","cf5be46785a9f6a748cc19f83165ac5c19340a2c","path","apps/web/src/chat/reference-picker.tsx","oid","cb5df0c6d5490189ef07c85483ad7dd57204971d","size",10671,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","import { useEffect, useRef, useState } from \"react\";\n\nimport * as Api from \"../api\";\nimport { MAX_REFERENCES, referenceTriggerKey } from \"./references\";\n\nimport type { ReferenceTarget, ReferenceTrigger } from \"./references\";\n\nconst SEARCH_DELAY = 160;\n\nexport type ReferenceSearchApi = Pick<\n\ttypeof Api,\n\t\"channelResearchWorkspaces\" | \"channels\"\n>;\n\nexport type ReferencePickerRequest = {\n\tid: number;\n\tkey: string;\n\tcontroller: AbortController;\n};\n\nexport type ReferencePickerState =\n\t| { status: \"idle\" | \"loading\" | \"limit\"; options: ReferenceTarget[] }\n\t| { status: \"ready\"; options: ReferenceTarget[]; truncated?: boolean }\n\t| { status: \"error\"; options: ReferenceTarget[]; error: unknown };\n\nexport type ReferenceSearchResult = { options: ReferenceTarget[]; truncated: boolean };\n\ntype LoadedPickerState = ReferencePickerState & { key: string };\n\nexport function currentReferencePickerRequest(\n\tcurrent: ReferencePickerRequest | undefined,\n\tcandidate: ReferencePickerRequest,\n): boolean {\n\treturn current === candidate && !candidate.controller.signal.aborted;\n}\n\nexport function referencePickerRequestKey(\n\ttrigger: ReferenceTrigger,\n\trepository: Pick,\n\troom: string,\n): string {\n\treturn JSON.stringify([\n\t\trepository.id,\n\t\trepository.owner,\n\t\trepository.name,\n\t\troom,\n\t\treferenceTriggerKey(trigger),\n\t]);\n}\n\nexport type ReferencePickerKeyAction = \"dismiss\" | \"next\" | \"previous\" | \"select\";\n\nexport function referencePickerKeyAction(\n\tevent: { key: string; keyCode?: number; isComposing?: boolean; shiftKey?: boolean },\n\tselectable: boolean,\n): ReferencePickerKeyAction | undefined {\n\tif (event.isComposing || event.keyCode === 229) return undefined;\n\tif (event.key === \"Escape\") return \"dismiss\";\n\tif (!selectable) return undefined;\n\tif (event.key === \"ArrowDown\") return \"next\";\n\tif (event.key === \"ArrowUp\") return \"previous\";\n\tif (event.key === \"Enter\" && !event.shiftKey) return \"select\";\n\treturn undefined;\n}\n\nexport async function searchReferenceTargets(\n\ttrigger: ReferenceTrigger,\n\trepository: Pick,\n\troom: string,\n\tsignal: AbortSignal,\n\tapi: ReferenceSearchApi = Api,\n): Promise {\n\tif (trigger.kind === \"document\") {\n\t\tlet channels = new Map();\n\t\tlet cursor: string | undefined;\n\t\tlet pages = 0;\n\t\tlet omitted = false;\n\t\tdo {\n\t\t\tlet page = await api.channels(\n\t\t\t\trepository.owner,\n\t\t\t\trepository.name,\n\t\t\t\t{\n\t\t\t\t\tcursor,\n\t\t\t\t\tincludeArchived: false,\n\t\t\t\t\tquery: trigger.query || undefined,\n\t\t\t\t\tsignal,\n\t\t\t\t},\n\t\t\t);\n\t\t\tfor (let [index, channel] of page.channels.entries()) {\n\t\t\t\tif (channel.id !== room) channels.set(channel.id, channel);\n\t\t\t\tif (channels.size >= MAX_REFERENCES) {\n\t\t\t\t\tomitted = index < page.channels.length - 1;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tcursor = page.nextCursor;\n\t\t\tpages++;\n\t\t} while (channels.size < MAX_REFERENCES && cursor && pages < 5);\n\t\treturn {\n\t\t\toptions: [...channels.values()].slice(0, MAX_REFERENCES).map(channel => ({\n\t\t\t\tkind: \"document\" as const,\n\t\t\t\tchannelId: channel.id,\n\t\t\t\ttitle: channel.title,\n\t\t\t\tslug: channel.slug,\n\t\t\t\t...(channel.description ? { description: channel.description } : {}),\n\t\t\t})),\n\t\t\ttruncated: omitted || !!cursor,\n\t\t};\n\t}\n\n\tlet page = await api.channelResearchWorkspaces(room, signal);\n\tlet query = trigger.query.toLowerCase();\n\treturn {\n\t\toptions: page.workspaces\n\t\t\t.filter(workspace => !query || workspace.title.toLowerCase().includes(query))\n\t\t\t.slice(0, MAX_REFERENCES)\n\t\t\t.map(workspace => ({\n\t\t\t\tkind: \"research\" as const,\n\t\t\t\tworkspaceId: workspace.id,\n\t\t\t\ttitle: workspace.title,\n\t\t\t\tdiscriminator: workspace.id.slice(-8),\n\t\t\t})),\n\t\ttruncated: page.truncated,\n\t};\n}\n\nexport function useReferencePicker(\n\ttrigger: ReferenceTrigger | undefined,\n\trepository: Pick,\n\troom: string,\n): ReferencePickerState & {\n\tactive: number;\n\tsetActive: (active: number | ((current: number) => number)) => void;\n} {\n\tlet sequence = useRef(0);\n\tlet request = useRef(undefined);\n\tlet [active, setActive] = useState(0);\n\tlet [loaded, setLoaded] = useState({\n\t\tkey: \"\",\n\t\tstatus: \"idle\",\n\t\toptions: [],\n\t});\n\tlet key = trigger ? referencePickerRequestKey(trigger, repository, room) : \"\";\n\tlet triggerKind = trigger?.kind;\n\tlet triggerMarker = trigger?.marker;\n\tlet triggerQuery = trigger?.query;\n\tlet triggerStart = trigger?.start;\n\tlet triggerEnd = trigger?.end;\n\n\tuseEffect(() => {\n\t\tif (\n\t\t\ttriggerKind === undefined\n\t\t\t|| triggerMarker === undefined\n\t\t\t|| triggerQuery === undefined\n\t\t\t|| triggerStart === undefined\n\t\t\t|| triggerEnd === undefined\n\t\t) return;\n\t\tlet selected: ReferenceTrigger = {\n\t\t\tkind: triggerKind,\n\t\t\tmarker: triggerMarker,\n\t\t\tquery: triggerQuery,\n\t\t\tstart: triggerStart,\n\t\t\tend: triggerEnd,\n\t\t};\n\t\tlet candidate = {\n\t\t\tid: ++sequence.current,\n\t\t\tkey,\n\t\t\tcontroller: new AbortController(),\n\t\t};\n\t\trequest.current = candidate;\n\t\tsetActive(0);\n\t\tsetLoaded({ key, status: \"loading\", options: [] });\n\t\tlet timer = window.setTimeout(() => {\n\t\t\tvoid searchReferenceTargets(\n\t\t\t\tselected,\n\t\t\t\trepository,\n\t\t\t\troom,\n\t\t\t\tcandidate.controller.signal,\n\t\t\t).then(result => {\n\t\t\t\tif (!currentReferencePickerRequest(request.current, candidate)) return;\n\t\t\t\tsetLoaded({ key, status: \"ready\", ...result });\n\t\t\t}, error => {\n\t\t\t\tif (!currentReferencePickerRequest(request.current, candidate)) return;\n\t\t\t\tsetLoaded({ key, status: \"error\", options: [], error });\n\t\t\t});\n\t\t}, SEARCH_DELAY);\n\t\treturn () => {\n\t\t\twindow.clearTimeout(timer);\n\t\t\tcandidate.controller.abort();\n\t\t\tif (request.current === candidate) request.current = undefined;\n\t\t};\n\t}, [\n\t\tkey,\n\t\trepository.id,\n\t\trepository.name,\n\t\trepository.owner,\n\t\troom,\n\t\ttriggerEnd,\n\t\ttriggerKind,\n\t\ttriggerMarker,\n\t\ttriggerQuery,\n\t\ttriggerStart,\n\t]);\n\n\tif (!trigger) return { status: \"idle\", options: [], active, setActive };\n\tif (request.current?.key !== key || loaded.key !== key) {\n\t\treturn { status: \"loading\", options: [], active: 0, setActive };\n\t}\n\treturn { ...loaded, active, setActive };\n}\n\nexport function referenceOptionId(listId: string, index: number): string {\n\treturn `${listId}-option-${index}`;\n}\n\nfunction failureMessage(error: unknown): string {\n\treturn error instanceof Error ? error.message : \"Could not load references.\";\n}\n\nexport function ReferencePicker(\n\t{\n\t\tactive,\n\t\tid,\n\t\tkind,\n\t\tonActive,\n\t\tonSelect,\n\t\tstate,\n\t}: {\n\t\tactive: number;\n\t\tid: string;\n\t\tkind: ReferenceTrigger[\"kind\"];\n\t\tonActive: (index: number) => void;\n\t\tonSelect: (target: ReferenceTarget) => void;\n\t\tstate: ReferencePickerState;\n\t},\n) {\n\tlet documentReference = kind === \"document\";\n\tlet label = documentReference ? \"Document references\" : \"Research Workspace references\";\n\tlet marker = documentReference ? \"#\" : \"%\";\n\tlet empty = state.status === \"ready\" && state.truncated\n\t\t? `No matches in the available ${documentReference ? \"documents\" : \"Research Workspaces\"}.`\n\t\t: documentReference\n\t\t? \"No matching documents.\"\n\t\t: \"No matching Research Workspaces.\";\n\n\tuseEffect(() => {\n\t\tif (state.options.length === 0) return;\n\t\tlet frame = requestAnimationFrame(() => {\n\t\t\tdocument.getElementById(referenceOptionId(id, active))?.scrollIntoView({ block: \"nearest\" });\n\t\t});\n\t\treturn () => cancelAnimationFrame(frame);\n\t}, [active, id, state.options.length]);\n\n\treturn (\n\t\t\n\t\t\t

\n\t\t\t\t{state.status === \"loading\" && (\n\t\t\t\t\t

\n\t\t\t\t\t\tLoading {documentReference ? \"documents\" : \"Research Workspaces\"}...\n\t\t\t\t\t

\n\t\t\t\t)}\n\t\t\t\t{state.status === \"limit\" && (\n\t\t\t\t\t

\n\t\t\t\t\t\tA message can include up to 10 references.\n\t\t\t\t\t

\n\t\t\t\t)}\n\t\t\t\t{state.status === \"error\" && (\n\t\t\t\t\t

\n\t\t\t\t\t\t{failureMessage(state.error)}\n\t\t\t\t\t

\n\t\t\t\t)}\n\t\t\t\t{state.status === \"ready\" && state.options.length === 0 && (\n\t\t\t\t\t

{empty}

\n\t\t\t\t)}\n\t\t\t\t{state.status === \"ready\" && state.truncated && (\n\t\t\t\t\t

\n\t\t\t\t\t\tSome {documentReference ? \"documents\" : \"Research Workspaces\"} are not shown.\n\t\t\t\t\t

\n\t\t\t\t)}\n\t\t\t\t{state.options.map((option, index) => {\n\t\t\t\t\tlet generatedDescription = option.kind === \"document\" && option.description\n\t\t\t\t\t\t? `${referenceOptionId(id, index)}-description`\n\t\t\t\t\t\t: undefined;\n\t\t\t\t\tlet slugDescription = option.kind === \"document\" && option.slug\n\t\t\t\t\t\t? `${referenceOptionId(id, index)}-slug`\n\t\t\t\t\t\t: undefined;\n\t\t\t\t\tlet describedBy = [generatedDescription, slugDescription].filter(Boolean).join(\" \")\n\t\t\t\t\t\t|| undefined;\n\t\t\t\t\treturn (\n\t\t\t\t\t\t onSelect(option)}\n\t\t\t\t\t\t\tonMouseDown={event => event.preventDefault()}\n\t\t\t\t\t\t\tonMouseEnter={() => onActive(index)}\n\t\t\t\t\t\t\trole=\"option\"\n\t\t\t\t\t\t\ttabIndex={-1}\n\t\t\t\t\t\t\ttype=\"button\"\n\t\t\t\t\t\t>\n\t\t\t\t\t\t\t{marker}\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t{option.title}\n\t\t\t\t\t\t\t\t{option.kind === \"document\" && option.description && (\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t{option.description}\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t)}\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t{option.kind === \"research\" && (\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t...{option.discriminator}\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t)}\n\t\t\t\t\t\t\t{option.kind === \"document\" && option.slug && (\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t{option.slug}\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t)}\n\t\t\t\t\t\t\n\t\t\t\t\t);\n\t\t\t\t})}\n\t\t\t

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