Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 | 187x 187x 4x 4x 4x 4x 187x 1140x 202x 202x 202x 866x 96x 96x 3x 2x 2x 4x 1x 1140x 1140x 1140x 1140x 186x 186x 118x 1140x 1140x 1140x 1140x 202x 202x 202x 202x 202x 98x 98x 1140x 866x 18x 15x 11x 15x 866x 866x 646x 646x 646x 646x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 646x 646x 646x 646x 1x 1x 1x 1x 1x 11x 1x 646x 1x 1x 224x 224x 224x 224x 224x 224x 224x 224x 160x 160x 160x 160x 160x 160x 160x 160x 160x 160x 661x 160x 160x 160x 31x 31x 31x 31x 31x 31x 31x 31x 160x 160x 160x 160x 160x 160x 160x 160x 143x 143x 143x 143x 143x 224x 148x 1140x 866x 646x 224x | import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
import { useState, useEffect, useRef } from 'react'
import { apiClient } from '@/lib/axios'
import type {
ApiContract,
EntityHooks,
ListResult,
DetailResult,
MutationHandle,
ISubscriptionHandle,
QueryParams,
ListQueryOptions,
} from '../interfaces'
import {
addPendingDelete,
getPendingDeletes,
normalizeFilters,
removePendingDelete,
} from './mutationQueue'
import { addToOutbox } from '@/lib/mutationOutbox'
export function resolveEndpointTemplate(
I template: string,
E params: QueryParams,
): { url: string; remainingParams: QueryParams } {
const remainingParams: QueryParams = { ...params }
const url = template.replace(/\{(\w+)\}/g, (_match, token) => {
const value = params[token]
if (value === undefined) {
throw new Error(
E `Missing required template parameter "${token}" ` +
`for endpoint "${template}". ` +
`Available params: ${Object.keys(params).join(', ') || '(none)'}`
)
}
delete remainingParams[token]
return String(value)
})
return { url, remainingParams }
}
function extractArray<T extends { id: string }>(cached: unknown): T[] {
if (!cached) return []
if (Array.isArray(cached)) return cached as T[]
if (
cached &&
typeof cached === 'object' &&
'data' in cached &&
Array.isArray((cached as { data: unknown[] }).data)
) {
return (cached as { data: T[] }).data
}
return []
}
function extractSingle<T extends { id: string }>(cached: unknown): T | null {
if (!cached) return null
if (
typeof cached === 'object' &&
cached !== null &&
'id' in cached
) {
I return cached as T
}
if (
cached &&
typeof cached === 'object' &&
E 'data' in cached &&
typeof (cached as { data: unknown }).data === 'object' &&
(cached as { data: unknown }).data !== null
) {
return (cached as { data: T }).data
}
return null
}
function patchEntityInResponse<T extends { id: string }>(
cached: unknown,
updated: T,
): unknown {
if (!cached) return cached
if (Array.isArray(cached))
return cached.map((x) => (x.id === updated.id ? updated : x))
if (
cached &&
typeof cached === 'object' &&
'data' in cached &&
Array.isArray((cached as { data: unknown[] }).data)
)
return {
...(cached as object),
data: (cached as { data: T[] }).data.map((x) =>
x.id === updated.id ? updated : x,
),
E }
iEf (
cached &&
typeof cached === 'object' &&
'id' in cached &&
(cached as T).id === updated.id
)
return updated
return cached
}
function insertEntityInResponse<T extends { id: string }>(
cached: unknown,
entity: T,
): unknown {
if (!cached) return cached
if (Array.isArray(cached))
return cached.some((x: T) => x.id === entity.id)
? cached
: [entity, ...cached]
if (
cached &&
typeof cached === 'object' &&
'data' in cached &&
Array.isArray((cached as { data: unknown[] }).data)
) {
const arr = (cached as { data: T[] }).data
return arr.some((x) => x.id === entity.id)
? cached
: { ...(cached as object), data: [entity, ...arr] }
}
return cached
}
function removeEntityFromResponse<T extends { id: string }>(
cached: unknown,
id: string,
): unknown {
if (!cached) return cached
if (Array.isArray(cached)) return (cached as T[]).filter((x) => x.id !== id)
if (
cached &&
typeof cached === 'object' &&
'data' in cached &&
Array.isArray((cached as { data: unknown[] }).data)
)
return {
...(cached as object),
data: (cached as { data: T[] }).data.filter((x) => x.id !== id),
I }
if (
cached &&
typeof cached === 'object' &&
'id' in cached &&
(cached as { id: string }).id === id
)
return null
return cached
}
function useEntityListImpl<
TEEntity extends { id: string },
TCreateBody,
TUpdateBody,
TListQuery extends QueryParams,
>(
contract: ApiContract<TEntity, TCreateBody, TUpdateBody, TListQuery>,
params: TListQuery,
options?: ListQueryOptions,
): ListResult<TEntity> {
const normalized = normalizeFilters(params)
const entityPath = contract.entityPath
cEonst effectiveParams =
Object.keys(normalized).length === 0 && contract.defaultListQuery
? { ...normalizeFilters(contract.defaultListQuery), ...normalized }
: normalized
const query = useQuery({
queryKey: [entityPath, effectiveParams],
queryFn: async () => {
const { url, remainingParams } = resolveEndpointTemplate(
contract.endpoints.list,
effectiveParams,
)
const { data } = await apiClient.get(url, {
params: remainingParams,
})
return data
},
staleTime: options?.queryMode === 'live' ? 0 : undefined,
})
const pendingIds = getPendingDeletes(entityPath)
const rawData = extractArray<TEntity>(query.data)
const filteredData =
pendingIds.size > 0
? rawData.filter((item) => !pendingIds.has(contract.idOf(item)))
: rawData
let total: number | undefined
let hasMore: boolean | undefined
let totalEstimate: number | undefined
if (
query.data &&
typeof query.data === 'object' &&
'meta' in query.data
) {
const meta = (query.data as { meta?: Record<string, unknown> }).meta
if (meta) {
if (typeof meta.has_more === 'boolean') {
I hasMore = meta.has_more
}
if (typeof meta.total_estimate === 'number') {
totalEstimate = meta.total_estimate
total = totalEstimate -
(pendingIds.size > 0
? rawData.length - filteredData.length
: 0)
}
}
}
return {
data: filteredData,
total,
E hasMore,
totalEstimate,
isLoading: query.isLoading,
isFetching: query.isFetching,
error: query.error,
refetch: () => query.refetch(),
}
}
function useEntityDetailImpl<
TEntity extends { id: string },
TCreateBody,
TUpdateBody,
>(
contract: ApiContract<TEntity, TCreateBody, TUpdateBody>,
id: string,
): DetailResult<TEntity> {
const query = useQuery({
queryKey: [contract.entityPath, id],
queryFn: async () => {
const { data } = await apiClient.get(contract.endpoints.detail(id))
if (data && typeof data === 'object' && !('id' in data)) {
;(data as Record<string, unknown>).id = contract.idOf(data as TEntity)
}
return data
},
enabled: !!id,
})
const data = extractSingle<TEntity>(query.data)
return {
data,
isLoading: query.isLoading,
isFetching: query.isFetching,
error: query.error,
refetch: () => query.refetch(),
}
}
function useMutationImpl<
TEntity extends { id: string },
TCreateBody,
TUpdateBody,
TListQuery extends QueryParams,
>(
contract: ApiContract<TEntity, TCreateBody, TUpdateBody, TListQuery>,
): IMutationHandle<TEntity, TCreateBody, TUpdateBody> {
const qc = useQueryClient()
const entityPath = contract.entityPath
E
let createPendingKey: string | null = null
const createMutation = useMutation({
mutationFn: async ({ input, context }: { input: TCreateBody; context?: QueryParams }) => {
if (!navigator.onLine) {
if (!createPendingKey) createPendingKey = crypto.randomUUID()
await addToOutbox({
id: crypto.randomUUID(),
entityPath,
op: 'CREATE',
I payload: input,
idempotencyKey: createPendingKey,
I createdAt: Date.now(),
})
return null
}
if (!createPendingKey) createPendingKey = crypto.randomUUID()
const key = createPendingKey
const body = contract.request?.create
? contract.request.create(input)
: input
const pathParams = contract.createPathParams
? contract.createPathParams(body, context)
: (context ?? {})
const { url, remainingParams } = resolveEndpointTemplate(
contract.endpoints.create,
pathParams,
)
const { data } = await apiClient.post(url, body, {
headers: { 'Idempotency-Key': key },
params: Object.keys(remainingParams).length > 0 ? remainingParams : undefined,
})
return data
},
onSuccess: (data) => {
if (data) {
qc.invalidateQueries({ queryKey: [entityPath] })
}
},
onSettled: () => {
createPendingKey = null
},
})
let updatePendingKey: string | null = null
const updateMutation = useMutation({
mutationFn: async (variables: { id: string; input: TUpdateBody }) => {
if (!navigator.onLine) {
if (!updatePendingKey) updatePendingKey = crypto.randomUUID()
await addToOutbox({
id: crypto.randomUUID(),
entityPath,
op: 'UPDATE',
payload: { id: variables.id, ...variables.input },
idempotencyKey: updatePendingKey,
createdAt: Date.now(),
})
return null
}
if (!updatePendingKey) updatePendingKey = crypto.randomUUID()
const key = updatePendingKey
const body = contract.request?.update
? contract.request.update(variables.input)
: variables.input
const { data } = await apiClient.put(
contract.endpoints.update(variables.id),
body,
{
headers: { 'Idempotency-Key': key },
},
)
return data
},
onSettled: () => {
updatePendingKey = null
},
})
let removePendingKey: string | null = null
const removeMutation = useMutation({
mutationFn: async (id: string) => {
if (!navigator.onLine) {
if (!removePendingKey) removePendingKey = crypto.randomUUID()
const key = removePendingKey
addPendingDelete(entityPath, id)
qc.getQueryCache()
.getAll()
.filter((q) => q.queryKey[0] === entityPath)
.forEach((q) =>
qc.setQueryData(
q.queryKey,
removeEntityFromResponse(q.state.data, id),
),
)
await addToOutbox({
id: crypto.randomUUID(),
entityPath,
op: 'DELETE',
payload: { id },
idempotencyKey: key,
createdAt: Date.now(),
})
return
}
if (!removePendingKey) removePendingKey = crypto.randomUUID()
const key = removePendingKey
await apiClient.delete(contract.endpoints.remove(id), {
headers: { 'Idempotency-Key': key },
})
},
onSuccess: (_data, id) => {
addPendingDelete(entityPath, id)
qc.getQueryCache()
.getAll()
.filter((q) => q.queryKey[0] === entityPath)
.forEach((q) =>
qc.setQueryData(
q.queryKey,
removeEntityFromResponse(q.state.data, id),
),
)
},
onSettled: () => {
removePendingKey = null
},
})
return {
create: (input, context?) => {
createMutation.mutate({ input, context })
},
update: (id, input) => updateMutation.mutate({ id, input }),
remove: (id) => removeMutation.mutate(id),
isPending:
createMutation.isPending ||
updateMutation.isPending ||
removeMutation.isPending,
isError:
createMutation.isError ||
updateMutation.isError ||
removeMutation.isError,
error:
createMutation.error ||
updateMutation.error ||
removeMutation.error,
lastMutationData: (createMutation.data ?? updateMutation.data ?? null) as TEntity | null,
}
}
function useSubscriptionImpl<
TEntity extends { id: string },
TCreateBody,
TUpdateBody,
TListQuery extends QueryParams,
>(
contract: ApiContract<TEntity, TCreateBody, TUpdateBody, TListQuery>,
params: TListQuery,
): SubscriptionHandle {
const queryClient = useQueryClient()
const normalized = normalizeFilters(params)
const normalizedKey = JSON.stringify(normalized)
const { entityPath } = contract
const { ssePath, entityName } = contract.subscription
const [isConnectionLost, setIsConnectionLost] = useState(false)
const openRef = useRef<() => void>(() => {})
useEffect(() => {
let source: EventSource | null = null
let backoffMs = 1_000
let failureCount = 0
const MAX_FAILURES = 5
const pendingTimeouts = new Set<ReturnType<typeof setTimeout>>()
function open() {
source?.close()
source = null
if (!navigator.onLine) return
const qs = new URLSearchParams()
for (const [k, v] of Object.entries(normalized)) {
if (v !== undefined) qs.set(k, String(v))
}
source = new EventSource(`${ssePath}?${qs}`, {
withCredentials: true,
})
source.onopen = () => {
setIsConnectionLost(false)
backoffMs = 1_000
failureCount = 0
}
source.onerror = () => {
source?.close()
source = null
if (!navigator.onLine) return
failureCount++
if (failureCount >= MAX_FAILURES) {
setIsConnectionLost(true)
return
}
const id = setTimeout(open, backoffMs)
pendingTimeouts.add(id)
backoffMs = Math.min(backoffMs * 2, 30_000)
}
source.addEventListener(`${entityName}.created`, (e) => {
const entity = JSON.parse((e as MessageEvent).data) as TEntity
const sortKey = normalized.sort as string | undefined
const sortOrder = normalized.order as string | undefined
const isNewestFirst =
(!sortKey || sortKey === 'created_at') && sortOrder !== 'asc'
if (!isNewestFirst) return
queryClient
.getQueryCache()
.getAll()
.filter((q) => q.queryKey[0] === entityPath)
.forEach((q) =>
queryClient.setQueryData(
q.queryKey,
insertEntityInResponse(q.state.data, entity),
),
)
})
source.addEventListener(`${entityName}.updated`, (e) => {
const updated = JSON.parse((e as MessageEvent).data) as TEntity
if (getPendingDeletes(entityPath).has(contract.idOf(updated))) return
queryClient
.getQueryCache()
.getAll()
.filter((q) => q.queryKey[0] === entityPath)
.forEach((q) =>
queryClient.setQueryData(
q.queryKey,
patchEntityInResponse(q.state.data, updated),
),
)
})
source.addEventListener(`${entityName}.deleted`, (e) => {
const { id } = JSON.parse((e as MessageEvent).data) as { id: string }
removePendingDelete(entityPath, id)
queryClient
.getQueryCache()
.getAll()
.filter((q) => q.queryKey[0] === entityPath)
.forEach((q) =>
queryClient.setQueryData(
q.queryKey,
removeEntityFromResponse(q.state.data, id),
),
)
})
}
openRef.current = open
function handleOffline() {
source?.close()
source = null
pendingTimeouts.forEach(clearTimeout)
pendingTimeouts.clear()
backoffMs = 1_000
failureCount = 0
}
function handleOnline() {
backoffMs = 1_000
failureCount = 0
setIsConnectionLost(false)
open()
}
window.addEventListener('offline', handleOffline)
window.addEventListener('online', handleOnline)
open()
return () => {
source?.close()
pendingTimeouts.forEach(clearTimeout)
pendingTimeouts.clear()
window.removeEventListener('offline', handleOffline)
window.removeEventListener('online', handleOnline)
}
}, [
queryClient,
entityPath,
ssePath,
entityName,
contract,
normalizedKey,
normalized,
normalized.sort,
normalized.order,
])
return {
isConnectionLost,
reconnect: () => {
openRef.current()
},
}
}
export function createEntityHooks<
TEntity extends { id: string },
TCreateBody = Partial<TEntity>,
TUpdateBody = Partial<TEntity>,
TListQuery extends QueryParams = QueryParams,
>(
contract: ApiContract<TEntity, TCreateBody, TUpdateBody, TListQuery>,
): EntityHooks<TEntity, TCreateBody, TUpdateBody, TListQuery> {
return {
apiContract: contract,
useEntityList(params, options?) {
return useEntityListImpl(contract, params, options)
},
useEntityDetail(id) {
return useEntityDetailImpl(contract, id)
},
useMutation() {
return useMutationImpl(contract)
},
useSubscription(params) {
return useSubscriptionImpl(contract, params)
},
}
} |