| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @flow |
| 8 | */ |
| 9 | |
| 10 | import { |
| 11 | ElementTypeClass, |
| 12 | ElementTypeFunction, |
| 13 | ElementTypeRoot, |
| 14 | ElementTypeHostComponent, |
| 15 | ElementTypeOtherOrUnknown, |
| 16 | } from 'react-devtools-shared/src/frontend/types'; |
| 17 | import {getUID, utfEncodeString, printOperationsArray} from '../../utils'; |
| 18 | import { |
| 19 | cleanForBridge, |
| 20 | copyWithDelete, |
| 21 | copyWithRename, |
| 22 | copyWithSet, |
| 23 | serializeToString, |
| 24 | } from '../utils'; |
| 25 | import { |
| 26 | deletePathInObject, |
| 27 | getDisplayName, |
| 28 | getInObject, |
| 29 | renamePathInObject, |
| 30 | setInObject, |
| 31 | } from 'react-devtools-shared/src/utils'; |
| 32 | import { |
| 33 | __DEBUG__, |
| 34 | TREE_OPERATION_ADD, |
| 35 | TREE_OPERATION_REMOVE, |
| 36 | TREE_OPERATION_REORDER_CHILDREN, |
| 37 | SUSPENSE_TREE_OPERATION_ADD, |
| 38 | SUSPENSE_TREE_OPERATION_REMOVE, |
| 39 | UNKNOWN_SUSPENDERS_NONE, |
| 40 | } from '../../constants'; |
| 41 | import {decorateMany, forceUpdate, restoreMany} from './utils'; |
| 42 | |
| 43 | import type { |
| 44 | DevToolsHook, |
| 45 | GetElementIDForHostInstance, |
| 46 | InspectedElementPayload, |
| 47 | InstanceAndStyle, |
| 48 | HostInstance, |
| 49 | PathFrame, |
| 50 | PathMatch, |
| 51 | RendererInterface, |
| 52 | } from '../types'; |
| 53 | import type { |
| 54 | ComponentFilter, |
| 55 | ElementType, |
| 56 | } from 'react-devtools-shared/src/frontend/types'; |
| 57 | import type {InspectedElement, SerializedElement} from '../types'; |
| 58 | |
| 59 | export type InternalInstance = Object; |
| 60 | type LegacyRenderer = Object; |
| 61 | |
| 62 | function getData(internalInstance: InternalInstance) { |
| 63 | let displayName = null; |
| 64 | let key = null; |
| 65 | |
| 66 | // != used deliberately here to catch undefined and null |
| 67 | if (internalInstance._currentElement != null) { |
| 68 | if (internalInstance._currentElement.key) { |
| 69 | key = String(internalInstance._currentElement.key); |
| 70 | } |
| 71 | |
| 72 | const elementType = internalInstance._currentElement.type; |
| 73 | if (typeof elementType === 'string') { |
| 74 | displayName = elementType; |
| 75 | } else if (typeof elementType === 'function') { |
| 76 | displayName = getDisplayName(elementType); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | return { |
| 81 | displayName, |
| 82 | key, |
| 83 | }; |
| 84 | } |
| 85 | |
| 86 | function getElementType(internalInstance: InternalInstance): ElementType { |
| 87 | // != used deliberately here to catch undefined and null |
| 88 | if (internalInstance._currentElement != null) { |
| 89 | const elementType = internalInstance._currentElement.type; |
| 90 | if (typeof elementType === 'function') { |
| 91 | const publicInstance = internalInstance.getPublicInstance(); |
| 92 | if (publicInstance !== null) { |
| 93 | return ElementTypeClass; |
| 94 | } else { |
| 95 | return ElementTypeFunction; |
| 96 | } |
| 97 | } else if (typeof elementType === 'string') { |
| 98 | return ElementTypeHostComponent; |
| 99 | } |
| 100 | } |
| 101 | return ElementTypeOtherOrUnknown; |
| 102 | } |
| 103 | |
| 104 | function getChildren(internalInstance: Object): Array<any> { |
| 105 | const children = []; |
| 106 | |
| 107 | // If the parent is a native node without rendered children, but with |
| 108 | // multiple string children, then the `element` that gets passed in here is |
| 109 | // a plain value -- a string or number. |
| 110 | if (typeof internalInstance !== 'object') { |
| 111 | // No children |
| 112 | } else if ( |
| 113 | internalInstance._currentElement === null || |
| 114 | internalInstance._currentElement === false |
| 115 | ) { |
| 116 | // No children |
| 117 | } else if (internalInstance._renderedComponent) { |
| 118 | const child = internalInstance._renderedComponent; |
| 119 | if (getElementType(child) !== ElementTypeOtherOrUnknown) { |
| 120 | children.push(child); |
| 121 | } |
| 122 | } else if (internalInstance._renderedChildren) { |
| 123 | const renderedChildren = internalInstance._renderedChildren; |
| 124 | for (const name in renderedChildren) { |
| 125 | const child = renderedChildren[name]; |
| 126 | if (getElementType(child) !== ElementTypeOtherOrUnknown) { |
| 127 | children.push(child); |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | // Note: we skip the case where children are just strings or numbers |
| 132 | // because the new DevTools skips over host text nodes anyway. |
| 133 | return children; |
| 134 | } |
| 135 | |
| 136 | export function attach( |
| 137 | hook: DevToolsHook, |
| 138 | rendererID: number, |
| 139 | renderer: LegacyRenderer, |
| 140 | global: Object, |
| 141 | ): RendererInterface { |
| 142 | const idToInternalInstanceMap: Map<number, InternalInstance> = new Map(); |
| 143 | const internalInstanceToIDMap: WeakMap<InternalInstance, number> = |
| 144 | new WeakMap(); |
| 145 | const internalInstanceToRootIDMap: WeakMap<InternalInstance, number> = |
| 146 | new WeakMap(); |
| 147 | |
| 148 | let getElementIDForHostInstance: GetElementIDForHostInstance = |
| 149 | null as any as GetElementIDForHostInstance; |
| 150 | let findHostInstanceForInternalID: (id: number) => ?HostInstance; |
| 151 | let getNearestMountedDOMNode = (node: Element): null | Element => { |
| 152 | // Not implemented. |
| 153 | return null; |
| 154 | }; |
| 155 | |
| 156 | if (renderer.ComponentTree) { |
| 157 | getElementIDForHostInstance = node => { |
| 158 | const internalInstance = |
| 159 | renderer.ComponentTree.getClosestInstanceFromNode(node); |
| 160 | return internalInstanceToIDMap.get(internalInstance) || null; |
| 161 | }; |
| 162 | findHostInstanceForInternalID = (id: number) => { |
| 163 | const internalInstance = idToInternalInstanceMap.get(id); |
| 164 | return renderer.ComponentTree.getNodeFromInstance(internalInstance); |
| 165 | }; |
| 166 | getNearestMountedDOMNode = (node: Element): null | Element => { |
| 167 | const internalInstance = |
| 168 | renderer.ComponentTree.getClosestInstanceFromNode(node); |
| 169 | if (internalInstance != null) { |
| 170 | return renderer.ComponentTree.getNodeFromInstance(internalInstance); |
| 171 | } |
| 172 | return null; |
| 173 | }; |
| 174 | } else if (renderer.Mount.getID && renderer.Mount.getNode) { |
| 175 | getElementIDForHostInstance = node => { |
| 176 | // Not implemented. |
| 177 | return null; |
| 178 | }; |
| 179 | findHostInstanceForInternalID = (id: number) => { |
| 180 | // Not implemented. |
| 181 | return null; |
| 182 | }; |
| 183 | } |
| 184 | |
| 185 | const supportsTogglingSuspense = false; |
| 186 | |
| 187 | function getDisplayNameForElementID(id: number): string | null { |
| 188 | const internalInstance = idToInternalInstanceMap.get(id); |
| 189 | return internalInstance ? getData(internalInstance).displayName : null; |
| 190 | } |
| 191 | |
| 192 | function getID(internalInstance: InternalInstance): number { |
| 193 | if (typeof internalInstance !== 'object' || internalInstance === null) { |
| 194 | throw new Error('Invalid internal instance: ' + internalInstance); |
| 195 | } |
| 196 | if (!internalInstanceToIDMap.has(internalInstance)) { |
| 197 | const id = getUID(); |
| 198 | internalInstanceToIDMap.set(internalInstance, id); |
| 199 | idToInternalInstanceMap.set(id, internalInstance); |
| 200 | } |
| 201 | return internalInstanceToIDMap.get(internalInstance) as any as number; |
| 202 | } |
| 203 | |
| 204 | function areEqualArrays(a: Array<any>, b: Array<any>) { |
| 205 | if (a.length !== b.length) { |
| 206 | return false; |
| 207 | } |
| 208 | for (let i = 0; i < a.length; i++) { |
| 209 | if (a[i] !== b[i]) { |
| 210 | return false; |
| 211 | } |
| 212 | } |
| 213 | return true; |
| 214 | } |
| 215 | |
| 216 | // This is shared mutable state that lets us keep track of where we are. |
| 217 | let parentIDStack = []; |
| 218 | |
| 219 | let oldReconcilerMethods = null; |
| 220 | if (renderer.Reconciler) { |
| 221 | // React 15 |
| 222 | oldReconcilerMethods = decorateMany(renderer.Reconciler, { |
| 223 | mountComponent(fn, args) { |
| 224 | const internalInstance = args[0]; |
| 225 | const hostContainerInfo = args[3]; |
| 226 | if (getElementType(internalInstance) === ElementTypeOtherOrUnknown) { |
| 227 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 228 | return fn.apply(this, args); |
| 229 | } |
| 230 | if (hostContainerInfo._topLevelWrapper === undefined) { |
| 231 | // SSR |
| 232 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 233 | return fn.apply(this, args); |
| 234 | } |
| 235 | |
| 236 | const id = getID(internalInstance); |
| 237 | // Push the operation. |
| 238 | const parentID = |
| 239 | parentIDStack.length > 0 |
| 240 | ? parentIDStack[parentIDStack.length - 1] |
| 241 | : 0; |
| 242 | recordMount(internalInstance, id, parentID); |
| 243 | parentIDStack.push(id); |
| 244 | |
| 245 | // Remember the root. |
| 246 | internalInstanceToRootIDMap.set( |
| 247 | internalInstance, |
| 248 | getID(hostContainerInfo._topLevelWrapper), |
| 249 | ); |
| 250 | |
| 251 | try { |
| 252 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 253 | const result = fn.apply(this, args); |
| 254 | parentIDStack.pop(); |
| 255 | return result; |
| 256 | } catch (err) { |
| 257 | parentIDStack = []; |
| 258 | throw err; |
| 259 | } finally { |
| 260 | if (parentIDStack.length === 0) { |
| 261 | const rootID = internalInstanceToRootIDMap.get(internalInstance); |
| 262 | if (rootID === undefined) { |
| 263 | throw new Error('Expected to find root ID.'); |
| 264 | } |
| 265 | flushPendingEvents(rootID); |
| 266 | } |
| 267 | } |
| 268 | }, |
| 269 | performUpdateIfNecessary(fn, args) { |
| 270 | const internalInstance = args[0]; |
| 271 | if (getElementType(internalInstance) === ElementTypeOtherOrUnknown) { |
| 272 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 273 | return fn.apply(this, args); |
| 274 | } |
| 275 | |
| 276 | const id = getID(internalInstance); |
| 277 | parentIDStack.push(id); |
| 278 | |
| 279 | const prevChildren = getChildren(internalInstance); |
| 280 | try { |
| 281 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 282 | const result = fn.apply(this, args); |
| 283 | |
| 284 | const nextChildren = getChildren(internalInstance); |
| 285 | if (!areEqualArrays(prevChildren, nextChildren)) { |
| 286 | // Push the operation |
| 287 | recordReorder(internalInstance, id, nextChildren); |
| 288 | } |
| 289 | |
| 290 | parentIDStack.pop(); |
| 291 | return result; |
| 292 | } catch (err) { |
| 293 | parentIDStack = []; |
| 294 | throw err; |
| 295 | } finally { |
| 296 | if (parentIDStack.length === 0) { |
| 297 | const rootID = internalInstanceToRootIDMap.get(internalInstance); |
| 298 | if (rootID === undefined) { |
| 299 | throw new Error('Expected to find root ID.'); |
| 300 | } |
| 301 | flushPendingEvents(rootID); |
| 302 | } |
| 303 | } |
| 304 | }, |
| 305 | receiveComponent(fn, args) { |
| 306 | const internalInstance = args[0]; |
| 307 | if (getElementType(internalInstance) === ElementTypeOtherOrUnknown) { |
| 308 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 309 | return fn.apply(this, args); |
| 310 | } |
| 311 | |
| 312 | const id = getID(internalInstance); |
| 313 | parentIDStack.push(id); |
| 314 | |
| 315 | const prevChildren = getChildren(internalInstance); |
| 316 | try { |
| 317 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 318 | const result = fn.apply(this, args); |
| 319 | |
| 320 | const nextChildren = getChildren(internalInstance); |
| 321 | if (!areEqualArrays(prevChildren, nextChildren)) { |
| 322 | // Push the operation |
| 323 | recordReorder(internalInstance, id, nextChildren); |
| 324 | } |
| 325 | |
| 326 | parentIDStack.pop(); |
| 327 | return result; |
| 328 | } catch (err) { |
| 329 | parentIDStack = []; |
| 330 | throw err; |
| 331 | } finally { |
| 332 | if (parentIDStack.length === 0) { |
| 333 | const rootID = internalInstanceToRootIDMap.get(internalInstance); |
| 334 | if (rootID === undefined) { |
| 335 | throw new Error('Expected to find root ID.'); |
| 336 | } |
| 337 | flushPendingEvents(rootID); |
| 338 | } |
| 339 | } |
| 340 | }, |
| 341 | unmountComponent(fn, args) { |
| 342 | const internalInstance = args[0]; |
| 343 | if (getElementType(internalInstance) === ElementTypeOtherOrUnknown) { |
| 344 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 345 | return fn.apply(this, args); |
| 346 | } |
| 347 | |
| 348 | const id = getID(internalInstance); |
| 349 | parentIDStack.push(id); |
| 350 | try { |
| 351 | // $FlowFixMe[object-this-reference] found when upgrading Flow |
| 352 | const result = fn.apply(this, args); |
| 353 | parentIDStack.pop(); |
| 354 | |
| 355 | // Push the operation. |
| 356 | recordUnmount(internalInstance, id); |
| 357 | |
| 358 | return result; |
| 359 | } catch (err) { |
| 360 | parentIDStack = []; |
| 361 | throw err; |
| 362 | } finally { |
| 363 | if (parentIDStack.length === 0) { |
| 364 | const rootID = internalInstanceToRootIDMap.get(internalInstance); |
| 365 | if (rootID === undefined) { |
| 366 | throw new Error('Expected to find root ID.'); |
| 367 | } |
| 368 | flushPendingEvents(rootID); |
| 369 | } |
| 370 | } |
| 371 | }, |
| 372 | }); |
| 373 | } |
| 374 | |
| 375 | function cleanup() { |
| 376 | if (oldReconcilerMethods !== null) { |
| 377 | if (renderer.Component) { |
| 378 | restoreMany(renderer.Component.Mixin, oldReconcilerMethods); |
| 379 | } else { |
| 380 | restoreMany(renderer.Reconciler, oldReconcilerMethods); |
| 381 | } |
| 382 | } |
| 383 | oldReconcilerMethods = null; |
| 384 | } |
| 385 | |
| 386 | function recordMount( |
| 387 | internalInstance: InternalInstance, |
| 388 | id: number, |
| 389 | parentID: number, |
| 390 | ) { |
| 391 | const isRoot = parentID === 0; |
| 392 | |
| 393 | // $FlowFixMe[constant-condition] |
| 394 | if (__DEBUG__) { |
| 395 | console.log( |
| 396 | '%crecordMount()', |
| 397 | 'color: green; font-weight: bold;', |
| 398 | id, |
| 399 | getData(internalInstance).displayName, |
| 400 | ); |
| 401 | } |
| 402 | |
| 403 | if (isRoot) { |
| 404 | // TODO Is this right? For all versions? |
| 405 | const hasOwnerMetadata = |
| 406 | internalInstance._currentElement != null && |
| 407 | internalInstance._currentElement._owner != null; |
| 408 | |
| 409 | pushOperation(TREE_OPERATION_ADD); |
| 410 | pushOperation(id); |
| 411 | pushOperation(ElementTypeRoot); |
| 412 | pushOperation(0); // StrictMode compliant? |
| 413 | pushOperation(0); // Profiling flag |
| 414 | pushOperation(0); // StrictMode supported? |
| 415 | pushOperation(hasOwnerMetadata ? 1 : 0); |
| 416 | |
| 417 | pushOperation(SUSPENSE_TREE_OPERATION_ADD); |
| 418 | pushOperation(id); |
| 419 | pushOperation(parentID); |
| 420 | pushOperation(getStringID(null)); // name |
| 421 | pushOperation(0); // isSuspended |
| 422 | // TODO: Measure rect of root |
| 423 | pushOperation(-1); |
| 424 | } else { |
| 425 | const type = getElementType(internalInstance); |
| 426 | const {displayName, key} = getData(internalInstance); |
| 427 | |
| 428 | const ownerID = |
| 429 | internalInstance._currentElement != null && |
| 430 | internalInstance._currentElement._owner != null |
| 431 | ? getID(internalInstance._currentElement._owner) |
| 432 | : 0; |
| 433 | |
| 434 | const displayNameStringID = getStringID(displayName); |
| 435 | const keyStringID = getStringID(key); |
| 436 | pushOperation(TREE_OPERATION_ADD); |
| 437 | pushOperation(id); |
| 438 | pushOperation(type); |
| 439 | pushOperation(parentID); |
| 440 | pushOperation(ownerID); |
| 441 | pushOperation(displayNameStringID); |
| 442 | pushOperation(keyStringID); |
| 443 | pushOperation(getStringID(null)); // name prop |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | function recordReorder( |
| 448 | internalInstance: InternalInstance, |
| 449 | id: number, |
| 450 | nextChildren: Array<InternalInstance>, |
| 451 | ) { |
| 452 | pushOperation(TREE_OPERATION_REORDER_CHILDREN); |
| 453 | pushOperation(id); |
| 454 | const nextChildIDs = nextChildren.map(getID); |
| 455 | pushOperation(nextChildIDs.length); |
| 456 | for (let i = 0; i < nextChildIDs.length; i++) { |
| 457 | pushOperation(nextChildIDs[i]); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | function recordUnmount(internalInstance: InternalInstance, id: number) { |
| 462 | const isRoot = parentIDStack.length === 0; |
| 463 | if (isRoot) { |
| 464 | pendingUnmountedRootID = id; |
| 465 | } else { |
| 466 | pendingUnmountedIDs.push(id); |
| 467 | } |
| 468 | idToInternalInstanceMap.delete(id); |
| 469 | } |
| 470 | |
| 471 | function crawlAndRecordInitialMounts( |
| 472 | id: number, |
| 473 | parentID: number, |
| 474 | rootID: number, |
| 475 | ) { |
| 476 | // $FlowFixMe[constant-condition] |
| 477 | if (__DEBUG__) { |
| 478 | console.group('crawlAndRecordInitialMounts() id:', id); |
| 479 | } |
| 480 | |
| 481 | const internalInstance = idToInternalInstanceMap.get(id); |
| 482 | if (internalInstance != null) { |
| 483 | internalInstanceToRootIDMap.set(internalInstance, rootID); |
| 484 | recordMount(internalInstance, id, parentID); |
| 485 | getChildren(internalInstance).forEach(child => |
| 486 | crawlAndRecordInitialMounts(getID(child), id, rootID), |
| 487 | ); |
| 488 | } |
| 489 | |
| 490 | // $FlowFixMe[constant-condition] |
| 491 | if (__DEBUG__) { |
| 492 | console.groupEnd(); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | function flushInitialOperations() { |
| 497 | // Crawl roots though and register any nodes that mounted before we were injected. |
| 498 | |
| 499 | const roots = |
| 500 | renderer.Mount._instancesByReactRootID || |
| 501 | renderer.Mount._instancesByContainerID; |
| 502 | |
| 503 | for (const key in roots) { |
| 504 | const internalInstance = roots[key]; |
| 505 | const id = getID(internalInstance); |
| 506 | crawlAndRecordInitialMounts(id, 0, id); |
| 507 | flushPendingEvents(id); |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | const pendingOperations: Array<number> = []; |
| 512 | const pendingStringTable: Map<string, number> = new Map(); |
| 513 | let pendingUnmountedIDs: Array<number> = []; |
| 514 | let pendingStringTableLength: number = 0; |
| 515 | let pendingUnmountedRootID: number | null = null; |
| 516 | |
| 517 | function flushPendingEvents(rootID: number) { |
| 518 | if ( |
| 519 | pendingOperations.length === 0 && |
| 520 | pendingUnmountedIDs.length === 0 && |
| 521 | pendingUnmountedRootID === null |
| 522 | ) { |
| 523 | return; |
| 524 | } |
| 525 | |
| 526 | const numUnmountIDs = |
| 527 | pendingUnmountedIDs.length + (pendingUnmountedRootID === null ? 0 : 1); |
| 528 | |
| 529 | const operations = new Array<number>( |
| 530 | // Identify which renderer this update is coming from. |
| 531 | 2 + // [rendererID, rootFiberID] |
| 532 | // How big is the string table? |
| 533 | 1 + // [stringTableLength] |
| 534 | // Then goes the actual string table. |
| 535 | pendingStringTableLength + |
| 536 | // All unmounts are batched in a single message. |
| 537 | // [TREE_OPERATION_REMOVE, removedIDLength, ...ids] |
| 538 | (numUnmountIDs > 0 ? 2 + numUnmountIDs : 0) + |
| 539 | // [SUSPENSE_TREE_OPERATION_REMOVE, 1, pendingUnmountedRootID] |
| 540 | (pendingUnmountedRootID === null ? 0 : 3) + |
| 541 | // Mount operations |
| 542 | pendingOperations.length, |
| 543 | ); |
| 544 | |
| 545 | // Identify which renderer this update is coming from. |
| 546 | // This enables roots to be mapped to renderers, |
| 547 | // Which in turn enables fiber properations, states, and hooks to be inspected. |
| 548 | let i = 0; |
| 549 | operations[i++] = rendererID; |
| 550 | operations[i++] = rootID; |
| 551 | |
| 552 | // Now fill in the string table. |
| 553 | // [stringTableLength, str1Length, ...str1, str2Length, ...str2, ...] |
| 554 | operations[i++] = pendingStringTableLength; |
| 555 | pendingStringTable.forEach((value, key) => { |
| 556 | operations[i++] = key.length; |
| 557 | const encodedKey = utfEncodeString(key); |
| 558 | for (let j = 0; j < encodedKey.length; j++) { |
| 559 | operations[i + j] = encodedKey[j]; |
| 560 | } |
| 561 | i += key.length; |
| 562 | }); |
| 563 | |
| 564 | if (numUnmountIDs > 0) { |
| 565 | // All unmounts except roots are batched in a single message. |
| 566 | operations[i++] = TREE_OPERATION_REMOVE; |
| 567 | // The first number is how many unmounted IDs we're gonna send. |
| 568 | operations[i++] = numUnmountIDs; |
| 569 | // Fill in the unmounts |
| 570 | for (let j = 0; j < pendingUnmountedIDs.length; j++) { |
| 571 | operations[i++] = pendingUnmountedIDs[j]; |
| 572 | } |
| 573 | // The root ID should always be unmounted last. |
| 574 | if (pendingUnmountedRootID !== null) { |
| 575 | operations[i] = pendingUnmountedRootID; |
| 576 | i++; |
| 577 | |
| 578 | operations[i++] = SUSPENSE_TREE_OPERATION_REMOVE; |
| 579 | operations[i++] = 1; |
| 580 | operations[i++] = pendingUnmountedRootID; |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | // Fill in the rest of the operations. |
| 585 | for (let j = 0; j < pendingOperations.length; j++) { |
| 586 | operations[i + j] = pendingOperations[j]; |
| 587 | } |
| 588 | i += pendingOperations.length; |
| 589 | |
| 590 | // $FlowFixMe[constant-condition] |
| 591 | if (__DEBUG__) { |
| 592 | printOperationsArray(operations); |
| 593 | } |
| 594 | |
| 595 | // If we've already connected to the frontend, just pass the operations through. |
| 596 | hook.emit('operations', operations); |
| 597 | |
| 598 | pendingOperations.length = 0; |
| 599 | pendingUnmountedIDs = []; |
| 600 | pendingUnmountedRootID = null; |
| 601 | pendingStringTable.clear(); |
| 602 | pendingStringTableLength = 0; |
| 603 | } |
| 604 | |
| 605 | function pushOperation(op: number): void { |
| 606 | if (__DEV__) { |
| 607 | if (!Number.isInteger(op)) { |
| 608 | console.error( |
| 609 | 'pushOperation() was called but the value is not an integer.', |
| 610 | op, |
| 611 | ); |
| 612 | } |
| 613 | } |
| 614 | pendingOperations.push(op); |
| 615 | } |
| 616 | |
| 617 | function getStringID(str: string | null): number { |
| 618 | if (str === null) { |
| 619 | return 0; |
| 620 | } |
| 621 | const existingID = pendingStringTable.get(str); |
| 622 | if (existingID !== undefined) { |
| 623 | return existingID; |
| 624 | } |
| 625 | const stringID = pendingStringTable.size + 1; |
| 626 | pendingStringTable.set(str, stringID); |
| 627 | // The string table total length needs to account |
| 628 | // both for the string length, and for the array item |
| 629 | // that contains the length itself. Hence + 1. |
| 630 | pendingStringTableLength += str.length + 1; |
| 631 | return stringID; |
| 632 | } |
| 633 | |
| 634 | let currentlyInspectedElementID: number | null = null; |
| 635 | let currentlyInspectedPaths: Object = {}; |
| 636 | |
| 637 | // Track the intersection of currently inspected paths, |
| 638 | // so that we can send their data along if the element is re-rendered. |
| 639 | function mergeInspectedPaths(path: Array<string | number>) { |
| 640 | let current = currentlyInspectedPaths; |
| 641 | path.forEach(key => { |
| 642 | if (!current[key]) { |
| 643 | current[key] = {}; |
| 644 | } |
| 645 | current = current[key]; |
| 646 | }); |
| 647 | } |
| 648 | |
| 649 | function createIsPathAllowed(key: string) { |
| 650 | // This function helps prevent previously-inspected paths from being dehydrated in updates. |
| 651 | // This is important to avoid a bad user experience where expanded toggles collapse on update. |
| 652 | return function isPathAllowed(path: Array<string | number>): boolean { |
| 653 | let current = currentlyInspectedPaths[key]; |
| 654 | if (!current) { |
| 655 | return false; |
| 656 | } |
| 657 | for (let i = 0; i < path.length; i++) { |
| 658 | current = current[path[i]]; |
| 659 | if (!current) { |
| 660 | return false; |
| 661 | } |
| 662 | } |
| 663 | return true; |
| 664 | }; |
| 665 | } |
| 666 | |
| 667 | // Fast path props lookup for React Native style editor. |
| 668 | function getInstanceAndStyle(id: number): InstanceAndStyle { |
| 669 | let instance = null; |
| 670 | let style = null; |
| 671 | |
| 672 | const internalInstance = idToInternalInstanceMap.get(id); |
| 673 | if (internalInstance != null) { |
| 674 | instance = internalInstance._instance || null; |
| 675 | |
| 676 | const element = internalInstance._currentElement; |
| 677 | if (element != null && element.props != null) { |
| 678 | style = element.props.style || null; |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | return { |
| 683 | instance, |
| 684 | style, |
| 685 | }; |
| 686 | } |
| 687 | |
| 688 | function updateSelectedElement(id: number): void { |
| 689 | const internalInstance = idToInternalInstanceMap.get(id); |
| 690 | if (internalInstance == null) { |
| 691 | console.warn(`Could not find instance with id "${id}"`); |
| 692 | return; |
| 693 | } |
| 694 | |
| 695 | switch (getElementType(internalInstance)) { |
| 696 | case ElementTypeClass: |
| 697 | global.$r = internalInstance._instance; |
| 698 | break; |
| 699 | case ElementTypeFunction: |
| 700 | const element = internalInstance._currentElement; |
| 701 | if (element == null) { |
| 702 | console.warn(`Could not find element with id "${id}"`); |
| 703 | return; |
| 704 | } |
| 705 | |
| 706 | global.$r = { |
| 707 | props: element.props, |
| 708 | type: element.type, |
| 709 | }; |
| 710 | break; |
| 711 | default: |
| 712 | global.$r = null; |
| 713 | break; |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | function storeAsGlobal( |
| 718 | id: number, |
| 719 | path: Array<string | number>, |
| 720 | count: number, |
| 721 | ): void { |
| 722 | const inspectedElement = inspectElementRaw(id); |
| 723 | if (inspectedElement !== null) { |
| 724 | const value = getInObject(inspectedElement, path); |
| 725 | const key = `$reactTemp${count}`; |
| 726 | |
| 727 | window[key] = value; |
| 728 | |
| 729 | console.log(key); |
| 730 | console.log(value); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | function getSerializedElementValueByPath( |
| 735 | id: number, |
| 736 | path: Array<string | number>, |
| 737 | ): ?string { |
| 738 | const inspectedElement = inspectElementRaw(id); |
| 739 | if (inspectedElement !== null) { |
| 740 | const valueToCopy = getInObject(inspectedElement, path); |
| 741 | |
| 742 | return serializeToString(valueToCopy); |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | function inspectElement( |
| 747 | requestID: number, |
| 748 | id: number, |
| 749 | path: Array<string | number> | null, |
| 750 | forceFullData: boolean, |
| 751 | ): InspectedElementPayload { |
| 752 | if (forceFullData || currentlyInspectedElementID !== id) { |
| 753 | currentlyInspectedElementID = id; |
| 754 | currentlyInspectedPaths = {}; |
| 755 | } |
| 756 | |
| 757 | const inspectedElement = inspectElementRaw(id); |
| 758 | if (inspectedElement === null) { |
| 759 | return { |
| 760 | id, |
| 761 | responseID: requestID, |
| 762 | type: 'not-found', |
| 763 | }; |
| 764 | } |
| 765 | |
| 766 | if (path !== null) { |
| 767 | mergeInspectedPaths(path); |
| 768 | } |
| 769 | |
| 770 | // Any time an inspected element has an update, |
| 771 | // we should update the selected $r value as wel. |
| 772 | // Do this before dehydration (cleanForBridge). |
| 773 | updateSelectedElement(id); |
| 774 | |
| 775 | inspectedElement.context = cleanForBridge( |
| 776 | inspectedElement.context, |
| 777 | createIsPathAllowed('context'), |
| 778 | ); |
| 779 | inspectedElement.props = cleanForBridge( |
| 780 | inspectedElement.props, |
| 781 | createIsPathAllowed('props'), |
| 782 | ); |
| 783 | inspectedElement.state = cleanForBridge( |
| 784 | inspectedElement.state, |
| 785 | createIsPathAllowed('state'), |
| 786 | ); |
| 787 | inspectedElement.suspendedBy = cleanForBridge( |
| 788 | inspectedElement.suspendedBy, |
| 789 | createIsPathAllowed('suspendedBy'), |
| 790 | ); |
| 791 | |
| 792 | return { |
| 793 | id, |
| 794 | responseID: requestID, |
| 795 | type: 'full-data', |
| 796 | value: inspectedElement, |
| 797 | }; |
| 798 | } |
| 799 | |
| 800 | function inspectElementRaw(id: number): InspectedElement | null { |
| 801 | const internalInstance = idToInternalInstanceMap.get(id); |
| 802 | |
| 803 | if (internalInstance == null) { |
| 804 | return null; |
| 805 | } |
| 806 | |
| 807 | const rootID = internalInstanceToRootIDMap.get(internalInstance); |
| 808 | if (rootID === undefined) { |
| 809 | throw new Error('Expected to find root ID.'); |
| 810 | } |
| 811 | const isRoot = rootID === id; |
| 812 | return isRoot |
| 813 | ? inspectRootsRaw(rootID) |
| 814 | : inspectInternalInstanceRaw(id, internalInstance); |
| 815 | } |
| 816 | |
| 817 | function inspectInternalInstanceRaw( |
| 818 | id: number, |
| 819 | internalInstance: InternalInstance, |
| 820 | ): InspectedElement | null { |
| 821 | const {key} = getData(internalInstance); |
| 822 | const type = getElementType(internalInstance); |
| 823 | |
| 824 | let context = null; |
| 825 | let owners = null; |
| 826 | let props = null; |
| 827 | let state = null; |
| 828 | |
| 829 | const element = internalInstance._currentElement; |
| 830 | if (element !== null) { |
| 831 | props = element.props; |
| 832 | |
| 833 | let owner = element._owner; |
| 834 | if (owner) { |
| 835 | owners = [] as Array<SerializedElement>; |
| 836 | while (owner != null) { |
| 837 | owners.push({ |
| 838 | displayName: getData(owner).displayName || 'Unknown', |
| 839 | id: getID(owner), |
| 840 | key: element.key, |
| 841 | env: null, |
| 842 | stack: null, |
| 843 | type: getElementType(owner), |
| 844 | }); |
| 845 | if (owner._currentElement) { |
| 846 | owner = owner._currentElement._owner; |
| 847 | } |
| 848 | } |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | const publicInstance = internalInstance._instance; |
| 853 | if (publicInstance != null) { |
| 854 | context = publicInstance.context || null; |
| 855 | state = publicInstance.state || null; |
| 856 | } |
| 857 | |
| 858 | // Not implemented |
| 859 | const errors: Array<[string, number]> = []; |
| 860 | const warnings: Array<[string, number]> = []; |
| 861 | |
| 862 | return { |
| 863 | id, |
| 864 | |
| 865 | // Does the current renderer support editable hooks and function props? |
| 866 | canEditHooks: false, |
| 867 | canEditFunctionProps: false, |
| 868 | |
| 869 | // Does the current renderer support advanced editing interface? |
| 870 | canEditHooksAndDeletePaths: false, |
| 871 | canEditHooksAndRenamePaths: false, |
| 872 | canEditFunctionPropsDeletePaths: false, |
| 873 | canEditFunctionPropsRenamePaths: false, |
| 874 | |
| 875 | // Toggle error boundary did not exist in legacy versions |
| 876 | canToggleError: false, |
| 877 | isErrored: false, |
| 878 | |
| 879 | // Suspense did not exist in legacy versions |
| 880 | canToggleSuspense: false, |
| 881 | isSuspended: null, |
| 882 | |
| 883 | source: null, |
| 884 | |
| 885 | stack: null, |
| 886 | |
| 887 | // Only legacy context exists in legacy versions. |
| 888 | hasLegacyContext: true, |
| 889 | |
| 890 | type: type, |
| 891 | |
| 892 | key: key != null ? key : null, |
| 893 | |
| 894 | // Inspectable properties. |
| 895 | context, |
| 896 | hooks: null, |
| 897 | props, |
| 898 | state, |
| 899 | errors, |
| 900 | warnings, |
| 901 | |
| 902 | // Not supported in legacy renderers. |
| 903 | suspendedBy: [], |
| 904 | suspendedByRange: null, |
| 905 | unknownSuspenders: UNKNOWN_SUSPENDERS_NONE, |
| 906 | |
| 907 | // List of owners |
| 908 | owners, |
| 909 | |
| 910 | env: null, |
| 911 | |
| 912 | rootType: null, |
| 913 | rendererPackageName: null, |
| 914 | rendererVersion: null, |
| 915 | |
| 916 | plugins: { |
| 917 | stylex: null, |
| 918 | }, |
| 919 | |
| 920 | nativeTag: null, |
| 921 | }; |
| 922 | } |
| 923 | |
| 924 | function inspectRootsRaw(arbitraryRootID: number): InspectedElement | null { |
| 925 | const roots = |
| 926 | renderer.Mount._instancesByReactRootID || |
| 927 | renderer.Mount._instancesByContainerID; |
| 928 | |
| 929 | const inspectedRoots: InspectedElement = { |
| 930 | // invariants |
| 931 | id: arbitraryRootID, |
| 932 | type: ElementTypeRoot, |
| 933 | // Properties we merge |
| 934 | isErrored: false, |
| 935 | errors: [], |
| 936 | warnings: [], |
| 937 | suspendedBy: [], |
| 938 | suspendedByRange: null, |
| 939 | // TODO: How to merge these? |
| 940 | unknownSuspenders: UNKNOWN_SUSPENDERS_NONE, |
| 941 | // Properties where merging doesn't make sense so we ignore them entirely in the UI |
| 942 | rootType: null, |
| 943 | plugins: {stylex: null}, |
| 944 | nativeTag: null, |
| 945 | env: null, |
| 946 | source: null, |
| 947 | stack: null, |
| 948 | // TODO: We could make the Frontend accept an array to display |
| 949 | // a list of unique renderers contributing to this Screen. |
| 950 | rendererPackageName: null, |
| 951 | rendererVersion: null, |
| 952 | // These don't make sense for a Root. They're just bottom values. |
| 953 | key: null, |
| 954 | canEditFunctionProps: false, |
| 955 | canEditHooks: false, |
| 956 | canEditFunctionPropsDeletePaths: false, |
| 957 | canEditFunctionPropsRenamePaths: false, |
| 958 | canEditHooksAndDeletePaths: false, |
| 959 | canEditHooksAndRenamePaths: false, |
| 960 | canToggleError: false, |
| 961 | canToggleSuspense: false, |
| 962 | isSuspended: false, |
| 963 | hasLegacyContext: false, |
| 964 | context: null, |
| 965 | hooks: null, |
| 966 | props: null, |
| 967 | state: null, |
| 968 | owners: null, |
| 969 | }; |
| 970 | |
| 971 | let minSuspendedByRange = Infinity; |
| 972 | let maxSuspendedByRange = -Infinity; |
| 973 | |
| 974 | for (const rootKey in roots) { |
| 975 | const internalInstance = roots[rootKey]; |
| 976 | const id = getID(internalInstance); |
| 977 | const inspectedRoot = inspectInternalInstanceRaw(id, internalInstance); |
| 978 | |
| 979 | if (inspectedRoot === null) { |
| 980 | return null; |
| 981 | } |
| 982 | |
| 983 | if (inspectedRoot.isErrored) { |
| 984 | inspectedRoots.isErrored = true; |
| 985 | } |
| 986 | for (let i = 0; i < inspectedRoot.errors.length; i++) { |
| 987 | inspectedRoots.errors.push(inspectedRoot.errors[i]); |
| 988 | } |
| 989 | for (let i = 0; i < inspectedRoot.warnings.length; i++) { |
| 990 | inspectedRoots.warnings.push(inspectedRoot.warnings[i]); |
| 991 | } |
| 992 | for (let i = 0; i < inspectedRoot.suspendedBy.length; i++) { |
| 993 | inspectedRoots.suspendedBy.push(inspectedRoot.suspendedBy[i]); |
| 994 | } |
| 995 | const suspendedByRange = inspectedRoot.suspendedByRange; |
| 996 | if (suspendedByRange !== null) { |
| 997 | if (suspendedByRange[0] < minSuspendedByRange) { |
| 998 | minSuspendedByRange = suspendedByRange[0]; |
| 999 | } |
| 1000 | if (suspendedByRange[1] > maxSuspendedByRange) { |
| 1001 | maxSuspendedByRange = suspendedByRange[1]; |
| 1002 | } |
| 1003 | } |
| 1004 | } |
| 1005 | |
| 1006 | if (minSuspendedByRange !== Infinity || maxSuspendedByRange !== -Infinity) { |
| 1007 | inspectedRoots.suspendedByRange = [ |
| 1008 | minSuspendedByRange, |
| 1009 | maxSuspendedByRange, |
| 1010 | ]; |
| 1011 | } |
| 1012 | |
| 1013 | return inspectedRoots; |
| 1014 | } |
| 1015 | |
| 1016 | function logElementToConsole(id: number): void { |
| 1017 | const result = inspectElementRaw(id); |
| 1018 | if (result === null) { |
| 1019 | console.warn(`Could not find element with id "${id}"`); |
| 1020 | return; |
| 1021 | } |
| 1022 | |
| 1023 | const displayName = getDisplayNameForElementID(id); |
| 1024 | |
| 1025 | const supportsGroup = typeof console.groupCollapsed === 'function'; |
| 1026 | if (supportsGroup) { |
| 1027 | console.groupCollapsed( |
| 1028 | `[Click to expand] %c<${displayName || 'Component'} />`, |
| 1029 | // --dom-tag-name-color is the CSS variable Chrome styles HTML elements with in the console. |
| 1030 | 'color: var(--dom-tag-name-color); font-weight: normal;', |
| 1031 | ); |
| 1032 | } |
| 1033 | if (result.props !== null) { |
| 1034 | console.log('Props:', result.props); |
| 1035 | } |
| 1036 | if (result.state !== null) { |
| 1037 | console.log('State:', result.state); |
| 1038 | } |
| 1039 | if (result.context !== null) { |
| 1040 | console.log('Context:', result.context); |
| 1041 | } |
| 1042 | const hostInstance = findHostInstanceForInternalID(id); |
| 1043 | if (hostInstance !== null) { |
| 1044 | console.log('Node:', hostInstance); |
| 1045 | } |
| 1046 | if (window.chrome || /firefox/i.test(navigator.userAgent)) { |
| 1047 | console.log( |
| 1048 | 'Right-click any value to save it as a global variable for further inspection.', |
| 1049 | ); |
| 1050 | } |
| 1051 | if (supportsGroup) { |
| 1052 | console.groupEnd(); |
| 1053 | } |
| 1054 | } |
| 1055 | |
| 1056 | function getElementAttributeByPath( |
| 1057 | id: number, |
| 1058 | path: Array<string | number>, |
| 1059 | ): mixed { |
| 1060 | const inspectedElement = inspectElementRaw(id); |
| 1061 | if (inspectedElement !== null) { |
| 1062 | return getInObject(inspectedElement, path); |
| 1063 | } |
| 1064 | return undefined; |
| 1065 | } |
| 1066 | |
| 1067 | function getElementSourceFunctionById(id: number): null | Function { |
| 1068 | const internalInstance = idToInternalInstanceMap.get(id); |
| 1069 | if (internalInstance == null) { |
| 1070 | console.warn(`Could not find instance with id "${id}"`); |
| 1071 | return null; |
| 1072 | } |
| 1073 | |
| 1074 | const element = internalInstance._currentElement; |
| 1075 | if (element == null) { |
| 1076 | console.warn(`Could not find element with id "${id}"`); |
| 1077 | return null; |
| 1078 | } |
| 1079 | |
| 1080 | return element.type; |
| 1081 | } |
| 1082 | |
| 1083 | function deletePath( |
| 1084 | type: 'context' | 'hooks' | 'props' | 'state', |
| 1085 | id: number, |
| 1086 | hookID: ?number, |
| 1087 | path: Array<string | number>, |
| 1088 | ): void { |
| 1089 | const internalInstance = idToInternalInstanceMap.get(id); |
| 1090 | if (internalInstance != null) { |
| 1091 | const publicInstance = internalInstance._instance; |
| 1092 | if (publicInstance != null) { |
| 1093 | switch (type) { |
| 1094 | case 'context': |
| 1095 | deletePathInObject(publicInstance.context, path); |
| 1096 | forceUpdate(publicInstance); |
| 1097 | break; |
| 1098 | case 'hooks': |
| 1099 | throw new Error('Hooks not supported by this renderer'); |
| 1100 | case 'props': |
| 1101 | const element = internalInstance._currentElement; |
| 1102 | internalInstance._currentElement = { |
| 1103 | ...element, |
| 1104 | props: copyWithDelete(element.props, path), |
| 1105 | }; |
| 1106 | forceUpdate(publicInstance); |
| 1107 | break; |
| 1108 | case 'state': |
| 1109 | deletePathInObject(publicInstance.state, path); |
| 1110 | forceUpdate(publicInstance); |
| 1111 | break; |
| 1112 | } |
| 1113 | } |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | function renamePath( |
| 1118 | type: 'context' | 'hooks' | 'props' | 'state', |
| 1119 | id: number, |
| 1120 | hookID: ?number, |
| 1121 | oldPath: Array<string | number>, |
| 1122 | newPath: Array<string | number>, |
| 1123 | ): void { |
| 1124 | const internalInstance = idToInternalInstanceMap.get(id); |
| 1125 | if (internalInstance != null) { |
| 1126 | const publicInstance = internalInstance._instance; |
| 1127 | if (publicInstance != null) { |
| 1128 | switch (type) { |
| 1129 | case 'context': |
| 1130 | renamePathInObject(publicInstance.context, oldPath, newPath); |
| 1131 | forceUpdate(publicInstance); |
| 1132 | break; |
| 1133 | case 'hooks': |
| 1134 | throw new Error('Hooks not supported by this renderer'); |
| 1135 | case 'props': |
| 1136 | const element = internalInstance._currentElement; |
| 1137 | internalInstance._currentElement = { |
| 1138 | ...element, |
| 1139 | props: copyWithRename(element.props, oldPath, newPath), |
| 1140 | }; |
| 1141 | forceUpdate(publicInstance); |
| 1142 | break; |
| 1143 | case 'state': |
| 1144 | renamePathInObject(publicInstance.state, oldPath, newPath); |
| 1145 | forceUpdate(publicInstance); |
| 1146 | break; |
| 1147 | } |
| 1148 | } |
| 1149 | } |
| 1150 | } |
| 1151 | |
| 1152 | function overrideValueAtPath( |
| 1153 | type: 'context' | 'hooks' | 'props' | 'state', |
| 1154 | id: number, |
| 1155 | hookID: ?number, |
| 1156 | path: Array<string | number>, |
| 1157 | value: any, |
| 1158 | ): void { |
| 1159 | const internalInstance = idToInternalInstanceMap.get(id); |
| 1160 | if (internalInstance != null) { |
| 1161 | const publicInstance = internalInstance._instance; |
| 1162 | if (publicInstance != null) { |
| 1163 | switch (type) { |
| 1164 | case 'context': |
| 1165 | setInObject(publicInstance.context, path, value); |
| 1166 | forceUpdate(publicInstance); |
| 1167 | break; |
| 1168 | case 'hooks': |
| 1169 | throw new Error('Hooks not supported by this renderer'); |
| 1170 | case 'props': |
| 1171 | const element = internalInstance._currentElement; |
| 1172 | internalInstance._currentElement = { |
| 1173 | ...element, |
| 1174 | props: copyWithSet(element.props, path, value), |
| 1175 | }; |
| 1176 | forceUpdate(publicInstance); |
| 1177 | break; |
| 1178 | case 'state': |
| 1179 | setInObject(publicInstance.state, path, value); |
| 1180 | forceUpdate(publicInstance); |
| 1181 | break; |
| 1182 | } |
| 1183 | } |
| 1184 | } |
| 1185 | } |
| 1186 | |
| 1187 | // v16+ only features |
| 1188 | const getProfilingData = () => { |
| 1189 | throw new Error('getProfilingData not supported by this renderer'); |
| 1190 | }; |
| 1191 | const handleCommitFiberRoot = () => { |
| 1192 | throw new Error('handleCommitFiberRoot not supported by this renderer'); |
| 1193 | }; |
| 1194 | const handleCommitFiberUnmount = () => { |
| 1195 | throw new Error('handleCommitFiberUnmount not supported by this renderer'); |
| 1196 | }; |
| 1197 | const handlePostCommitFiberRoot = () => { |
| 1198 | throw new Error('handlePostCommitFiberRoot not supported by this renderer'); |
| 1199 | }; |
| 1200 | const overrideError = () => { |
| 1201 | throw new Error('overrideError not supported by this renderer'); |
| 1202 | }; |
| 1203 | const overrideSuspense = () => { |
| 1204 | throw new Error('overrideSuspense not supported by this renderer'); |
| 1205 | }; |
| 1206 | const overrideSuspenseMilestone = () => { |
| 1207 | throw new Error('overrideSuspenseMilestone not supported by this renderer'); |
| 1208 | }; |
| 1209 | const startProfiling = () => { |
| 1210 | // Do not throw, since this would break a multi-root scenario where v15 and v16 were both present. |
| 1211 | }; |
| 1212 | const stopProfiling = () => { |
| 1213 | // Do not throw, since this would break a multi-root scenario where v15 and v16 were both present. |
| 1214 | }; |
| 1215 | |
| 1216 | function getBestMatchForTrackedPath(): PathMatch | null { |
| 1217 | // Not implemented. |
| 1218 | return null; |
| 1219 | } |
| 1220 | |
| 1221 | function getPathForElement(id: number): Array<PathFrame> | null { |
| 1222 | // Not implemented. |
| 1223 | return null; |
| 1224 | } |
| 1225 | |
| 1226 | function updateComponentFilters(componentFilters: Array<ComponentFilter>) { |
| 1227 | // Not implemented. |
| 1228 | } |
| 1229 | |
| 1230 | function getEnvironmentNames(): Array<string> { |
| 1231 | // No RSC support. |
| 1232 | return []; |
| 1233 | } |
| 1234 | |
| 1235 | function setTraceUpdatesEnabled(enabled: boolean) { |
| 1236 | // Not implemented. |
| 1237 | } |
| 1238 | |
| 1239 | function setTrackedPath(path: Array<PathFrame> | null) { |
| 1240 | // Not implemented. |
| 1241 | } |
| 1242 | |
| 1243 | function getOwnersList(id: number): Array<SerializedElement> | null { |
| 1244 | // Not implemented. |
| 1245 | return null; |
| 1246 | } |
| 1247 | |
| 1248 | function clearErrorsAndWarnings() { |
| 1249 | // Not implemented |
| 1250 | } |
| 1251 | |
| 1252 | function clearErrorsForElementID(id: number) { |
| 1253 | // Not implemented |
| 1254 | } |
| 1255 | |
| 1256 | function clearWarningsForElementID(id: number) { |
| 1257 | // Not implemented |
| 1258 | } |
| 1259 | |
| 1260 | function hasElementWithId(id: number): boolean { |
| 1261 | return idToInternalInstanceMap.has(id); |
| 1262 | } |
| 1263 | |
| 1264 | return { |
| 1265 | clearErrorsAndWarnings, |
| 1266 | clearErrorsForElementID, |
| 1267 | clearWarningsForElementID, |
| 1268 | cleanup, |
| 1269 | getSerializedElementValueByPath, |
| 1270 | deletePath, |
| 1271 | flushInitialOperations, |
| 1272 | getBestMatchForTrackedPath, |
| 1273 | getDisplayNameForElementID, |
| 1274 | getNearestMountedDOMNode, |
| 1275 | getElementIDForHostInstance, |
| 1276 | getSuspenseNodeIDForHostInstance(id: number): null { |
| 1277 | return null; |
| 1278 | }, |
| 1279 | getInstanceAndStyle, |
| 1280 | findHostInstancesForElementID: (id: number) => { |
| 1281 | const hostInstance = findHostInstanceForInternalID(id); |
| 1282 | return hostInstance == null ? null : [hostInstance]; |
| 1283 | }, |
| 1284 | findLastKnownRectsForID() { |
| 1285 | return null; |
| 1286 | }, |
| 1287 | getOwnersList, |
| 1288 | getPathForElement, |
| 1289 | getProfilingData, |
| 1290 | handleCommitFiberRoot, |
| 1291 | handleCommitFiberUnmount, |
| 1292 | handlePostCommitFiberRoot, |
| 1293 | hasElementWithId, |
| 1294 | inspectElement, |
| 1295 | logElementToConsole, |
| 1296 | overrideError, |
| 1297 | overrideSuspense, |
| 1298 | overrideSuspenseMilestone, |
| 1299 | overrideValueAtPath, |
| 1300 | renamePath, |
| 1301 | getElementAttributeByPath, |
| 1302 | getElementSourceFunctionById, |
| 1303 | renderer, |
| 1304 | setTraceUpdatesEnabled, |
| 1305 | setTrackedPath, |
| 1306 | startProfiling, |
| 1307 | stopProfiling, |
| 1308 | storeAsGlobal, |
| 1309 | supportsTogglingSuspense, |
| 1310 | updateComponentFilters, |
| 1311 | getEnvironmentNames, |
| 1312 | }; |
| 1313 | } |