How to use createFiberFromText method in Playwright Internal

Best JavaScript code snippet using playwright-internal

4cb8b9d0ed5f067ca4dd9e921b4190df7c25aaReactChildFiber.js

Source:4cb8b9d0ed5f067ca4dd9e921b4190df7c25aaReactChildFiber.js Github

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...173 return newFiber;174 }175 function updateTextNode(returnFiber, current, textContent, priority) {176 if (current === null || current.tag !== HostText) {177 var created = createFiberFromText(textContent, priority);178 created.return = returnFiber;179 return created;180 } else {181 var existing = useFiber(current, priority);182 existing.pendingProps = textContent;183 existing.return = returnFiber;184 return existing;185 }186 }187 function updateElement(returnFiber, current, element, priority) {188 if (current === null || current.type !== element.type) {189 var created = createFiberFromElement(element, priority);190 created.ref = coerceRef(current, element);191 created.return = returnFiber;192 return created;193 } else {194 var existing = useFiber(current, priority);195 existing.ref = coerceRef(current, element);196 existing.pendingProps = element.props;197 existing.return = returnFiber;198 if (__DEV__) {199 existing._debugSource = element._source;200 existing._debugOwner = element._owner;201 }202 return existing;203 }204 }205 function updateCoroutine(returnFiber, current, coroutine, priority) {206 if (current === null || current.tag !== CoroutineComponent) {207 var created = createFiberFromCoroutine(coroutine, priority);208 created.return = returnFiber;209 return created;210 } else {211 var existing = useFiber(current, priority);212 existing.pendingProps = coroutine;213 existing.return = returnFiber;214 return existing;215 }216 }217 function updateYield(returnFiber, current, yieldNode, priority) {218 if (current === null || current.tag !== YieldComponent) {219 var created = createFiberFromYield(yieldNode, priority);220 created.type = yieldNode.value;221 created.return = returnFiber;222 return created;223 } else {224 var existing = useFiber(current, priority);225 existing.type = yieldNode.value;226 existing.return = returnFiber;227 return existing;228 }229 }230 function updatePortal(returnFiber, current, portal, priority) {231 if (current === null || current.tag !== HostPortal || current.stateNode.containerInfo !== portal.containerInfo || current.stateNode.implementation !== portal.implementation) {232 var created = createFiberFromPortal(portal, priority);233 created.return = returnFiber;234 return created;235 } else {236 var existing = useFiber(current, priority);237 existing.pendingProps = portal.children || [];238 existing.return = returnFiber;239 return existing;240 }241 }242 function updateFragment(returnFiber, current, fragment, priority) {243 if (current === null || current.tag !== Fragment) {244 var created = createFiberFromFragment(fragment, priority);245 created.return = returnFiber;246 return created;247 } else {248 var existing = useFiber(current, priority);249 existing.pendingProps = fragment;250 existing.return = returnFiber;251 return existing;252 }253 }254 function createChild(returnFiber, newChild, priority) {255 if (typeof newChild === 'string' || typeof newChild === 'number') {256 var created = createFiberFromText('' + newChild, priority);257 created.return = returnFiber;258 return created;259 }260 if (typeof newChild === 'object' && newChild !== null) {261 switch (newChild.$$typeof) {262 case REACT_ELEMENT_TYPE:263 {264 var _created = createFiberFromElement(newChild, priority);265 _created.ref = coerceRef(null, newChild);266 _created.return = returnFiber;267 return _created;268 }269 case REACT_COROUTINE_TYPE:270 {271 var _created2 = createFiberFromCoroutine(newChild, priority);272 _created2.return = returnFiber;273 return _created2;274 }275 case REACT_YIELD_TYPE:276 {277 var _created3 = createFiberFromYield(newChild, priority);278 _created3.type = newChild.value;279 _created3.return = returnFiber;280 return _created3;281 }282 case REACT_PORTAL_TYPE:283 {284 var _created4 = createFiberFromPortal(newChild, priority);285 _created4.return = returnFiber;286 return _created4;287 }288 }289 if (isArray(newChild) || getIteratorFn(newChild)) {290 var _created5 = createFiberFromFragment(newChild, priority);291 _created5.return = returnFiber;292 return _created5;293 }294 throwOnInvalidObjectType(returnFiber, newChild);295 }296 return null;297 }298 function updateSlot(returnFiber, oldFiber, newChild, priority) {299 var key = oldFiber !== null ? oldFiber.key : null;300 if (typeof newChild === 'string' || typeof newChild === 'number') {301 if (key !== null) {302 return null;303 }304 return updateTextNode(returnFiber, oldFiber, '' + newChild, priority);305 }306 if (typeof newChild === 'object' && newChild !== null) {307 switch (newChild.$$typeof) {308 case REACT_ELEMENT_TYPE:309 {310 if (newChild.key === key) {311 return updateElement(returnFiber, oldFiber, newChild, priority);312 } else {313 return null;314 }315 }316 case REACT_COROUTINE_TYPE:317 {318 if (newChild.key === key) {319 return updateCoroutine(returnFiber, oldFiber, newChild, priority);320 } else {321 return null;322 }323 }324 case REACT_YIELD_TYPE:325 {326 if (key === null) {327 return updateYield(returnFiber, oldFiber, newChild, priority);328 } else {329 return null;330 }331 }332 case REACT_PORTAL_TYPE:333 {334 if (newChild.key === key) {335 return updatePortal(returnFiber, oldFiber, newChild, priority);336 } else {337 return null;338 }339 }340 }341 if (isArray(newChild) || getIteratorFn(newChild)) {342 if (key !== null) {343 return null;344 }345 return updateFragment(returnFiber, oldFiber, newChild, priority);346 }347 throwOnInvalidObjectType(returnFiber, newChild);348 }349 return null;350 }351 function updateFromMap(existingChildren, returnFiber, newIdx, newChild, priority) {352 if (typeof newChild === 'string' || typeof newChild === 'number') {353 var matchedFiber = existingChildren.get(newIdx) || null;354 return updateTextNode(returnFiber, matchedFiber, '' + newChild, priority);355 }356 if (typeof newChild === 'object' && newChild !== null) {357 switch (newChild.$$typeof) {358 case REACT_ELEMENT_TYPE:359 {360 var _matchedFiber = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null;361 return updateElement(returnFiber, _matchedFiber, newChild, priority);362 }363 case REACT_COROUTINE_TYPE:364 {365 var _matchedFiber2 = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null;366 return updateCoroutine(returnFiber, _matchedFiber2, newChild, priority);367 }368 case REACT_YIELD_TYPE:369 {370 var _matchedFiber3 = existingChildren.get(newIdx) || null;371 return updateYield(returnFiber, _matchedFiber3, newChild, priority);372 }373 case REACT_PORTAL_TYPE:374 {375 var _matchedFiber4 = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null;376 return updatePortal(returnFiber, _matchedFiber4, newChild, priority);377 }378 }379 if (isArray(newChild) || getIteratorFn(newChild)) {380 var _matchedFiber5 = existingChildren.get(newIdx) || null;381 return updateFragment(returnFiber, _matchedFiber5, newChild, priority);382 }383 throwOnInvalidObjectType(returnFiber, newChild);384 }385 return null;386 }387 function warnOnDuplicateKey(child, knownKeys) {388 if (__DEV__) {389 if (typeof child !== 'object' || child === null) {390 return knownKeys;391 }392 switch (child.$$typeof) {393 case REACT_ELEMENT_TYPE:394 case REACT_COROUTINE_TYPE:395 case REACT_PORTAL_TYPE:396 var key = child.key;397 if (typeof key !== 'string') {398 break;399 }400 if (knownKeys === null) {401 knownKeys = new Set();402 knownKeys.add(key);403 break;404 }405 if (!knownKeys.has(key)) {406 knownKeys.add(key);407 break;408 }409 warning(false, 'Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, ' + 'only the first child will be used.%s', key, getCurrentFiberStackAddendum());410 break;411 default:412 break;413 }414 }415 return knownKeys;416 }417 function reconcileChildrenArray(returnFiber, currentFirstChild, newChildren, priority) {418 if (__DEV__) {419 var knownKeys = null;420 for (var i = 0; i < newChildren.length; i++) {421 var child = newChildren[i];422 knownKeys = warnOnDuplicateKey(child, knownKeys);423 }424 }425 var resultingFirstChild = null;426 var previousNewFiber = null;427 var oldFiber = currentFirstChild;428 var lastPlacedIndex = 0;429 var newIdx = 0;430 var nextOldFiber = null;431 for (; oldFiber !== null && newIdx < newChildren.length; newIdx++) {432 if (oldFiber.index > newIdx) {433 nextOldFiber = oldFiber;434 oldFiber = null;435 } else {436 nextOldFiber = oldFiber.sibling;437 }438 var newFiber = updateSlot(returnFiber, oldFiber, newChildren[newIdx], priority);439 if (newFiber === null) {440 if (oldFiber === null) {441 oldFiber = nextOldFiber;442 }443 break;444 }445 if (shouldTrackSideEffects) {446 if (oldFiber && newFiber.alternate === null) {447 deleteChild(returnFiber, oldFiber);448 }449 }450 lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx);451 if (previousNewFiber === null) {452 resultingFirstChild = newFiber;453 } else {454 previousNewFiber.sibling = newFiber;455 }456 previousNewFiber = newFiber;457 oldFiber = nextOldFiber;458 }459 if (newIdx === newChildren.length) {460 deleteRemainingChildren(returnFiber, oldFiber);461 return resultingFirstChild;462 }463 if (oldFiber === null) {464 for (; newIdx < newChildren.length; newIdx++) {465 var _newFiber = createChild(returnFiber, newChildren[newIdx], priority);466 if (!_newFiber) {467 continue;468 }469 lastPlacedIndex = placeChild(_newFiber, lastPlacedIndex, newIdx);470 if (previousNewFiber === null) {471 resultingFirstChild = _newFiber;472 } else {473 previousNewFiber.sibling = _newFiber;474 }475 previousNewFiber = _newFiber;476 }477 return resultingFirstChild;478 }479 var existingChildren = mapRemainingChildren(returnFiber, oldFiber);480 for (; newIdx < newChildren.length; newIdx++) {481 var _newFiber2 = updateFromMap(existingChildren, returnFiber, newIdx, newChildren[newIdx], priority);482 if (_newFiber2) {483 if (shouldTrackSideEffects) {484 if (_newFiber2.alternate !== null) {485 existingChildren.delete(_newFiber2.key === null ? newIdx : _newFiber2.key);486 }487 }488 lastPlacedIndex = placeChild(_newFiber2, lastPlacedIndex, newIdx);489 if (previousNewFiber === null) {490 resultingFirstChild = _newFiber2;491 } else {492 previousNewFiber.sibling = _newFiber2;493 }494 previousNewFiber = _newFiber2;495 }496 }497 if (shouldTrackSideEffects) {498 existingChildren.forEach(function (child) {499 return deleteChild(returnFiber, child);500 });501 }502 return resultingFirstChild;503 }504 function reconcileChildrenIterator(returnFiber, currentFirstChild, newChildrenIterable, priority) {505 var iteratorFn = getIteratorFn(newChildrenIterable);506 invariant(typeof iteratorFn === 'function', 'An object is not an iterable. This error is likely caused by a bug in ' + 'React. Please file an issue.');507 if (__DEV__) {508 if (typeof newChildrenIterable.entries === 'function') {509 var possibleMap = newChildrenIterable;510 if (possibleMap.entries === iteratorFn) {511 var mapsAsChildrenAddendum = '';512 var owner = ReactCurrentOwner.owner || returnFiber._debugOwner;513 if (owner && typeof owner.tag === 'number') {514 var mapsAsChildrenOwnerName = getComponentName(owner);515 if (mapsAsChildrenOwnerName) {516 mapsAsChildrenAddendum = '\n\nCheck the render method of `' + mapsAsChildrenOwnerName + '`.';517 }518 }519 warning(didWarnAboutMaps, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.%s', mapsAsChildrenAddendum);520 didWarnAboutMaps = true;521 }522 }523 var _newChildren = iteratorFn.call(newChildrenIterable);524 if (_newChildren) {525 var knownKeys = null;526 var _step = _newChildren.next();527 for (; !_step.done; _step = _newChildren.next()) {528 var child = _step.value;529 knownKeys = warnOnDuplicateKey(child, knownKeys);530 }531 }532 }533 var newChildren = iteratorFn.call(newChildrenIterable);534 invariant(newChildren != null, 'An iterable object provided no iterator.');535 var resultingFirstChild = null;536 var previousNewFiber = null;537 var oldFiber = currentFirstChild;538 var lastPlacedIndex = 0;539 var newIdx = 0;540 var nextOldFiber = null;541 var step = newChildren.next();542 for (; oldFiber !== null && !step.done; newIdx++, step = newChildren.next()) {543 if (oldFiber.index > newIdx) {544 nextOldFiber = oldFiber;545 oldFiber = null;546 } else {547 nextOldFiber = oldFiber.sibling;548 }549 var newFiber = updateSlot(returnFiber, oldFiber, step.value, priority);550 if (newFiber === null) {551 if (!oldFiber) {552 oldFiber = nextOldFiber;553 }554 break;555 }556 if (shouldTrackSideEffects) {557 if (oldFiber && newFiber.alternate === null) {558 deleteChild(returnFiber, oldFiber);559 }560 }561 lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx);562 if (previousNewFiber === null) {563 resultingFirstChild = newFiber;564 } else {565 previousNewFiber.sibling = newFiber;566 }567 previousNewFiber = newFiber;568 oldFiber = nextOldFiber;569 }570 if (step.done) {571 deleteRemainingChildren(returnFiber, oldFiber);572 return resultingFirstChild;573 }574 if (oldFiber === null) {575 for (; !step.done; newIdx++, step = newChildren.next()) {576 var _newFiber3 = createChild(returnFiber, step.value, priority);577 if (_newFiber3 === null) {578 continue;579 }580 lastPlacedIndex = placeChild(_newFiber3, lastPlacedIndex, newIdx);581 if (previousNewFiber === null) {582 resultingFirstChild = _newFiber3;583 } else {584 previousNewFiber.sibling = _newFiber3;585 }586 previousNewFiber = _newFiber3;587 }588 return resultingFirstChild;589 }590 var existingChildren = mapRemainingChildren(returnFiber, oldFiber);591 for (; !step.done; newIdx++, step = newChildren.next()) {592 var _newFiber4 = updateFromMap(existingChildren, returnFiber, newIdx, step.value, priority);593 if (_newFiber4 !== null) {594 if (shouldTrackSideEffects) {595 if (_newFiber4.alternate !== null) {596 existingChildren.delete(_newFiber4.key === null ? newIdx : _newFiber4.key);597 }598 }599 lastPlacedIndex = placeChild(_newFiber4, lastPlacedIndex, newIdx);600 if (previousNewFiber === null) {601 resultingFirstChild = _newFiber4;602 } else {603 previousNewFiber.sibling = _newFiber4;604 }605 previousNewFiber = _newFiber4;606 }607 }608 if (shouldTrackSideEffects) {609 existingChildren.forEach(function (child) {610 return deleteChild(returnFiber, child);611 });612 }613 return resultingFirstChild;614 }615 function reconcileSingleTextNode(returnFiber, currentFirstChild, textContent, priority) {616 if (currentFirstChild !== null && currentFirstChild.tag === HostText) {617 deleteRemainingChildren(returnFiber, currentFirstChild.sibling);618 var existing = useFiber(currentFirstChild, priority);619 existing.pendingProps = textContent;620 existing.return = returnFiber;621 return existing;622 }623 deleteRemainingChildren(returnFiber, currentFirstChild);624 var created = createFiberFromText(textContent, priority);625 created.return = returnFiber;626 return created;627 }628 function reconcileSingleElement(returnFiber, currentFirstChild, element, priority) {629 var key = element.key;630 var child = currentFirstChild;631 while (child !== null) {632 if (child.key === key) {633 if (child.type === element.type) {634 deleteRemainingChildren(returnFiber, child.sibling);635 var existing = useFiber(child, priority);636 existing.ref = coerceRef(child, element);637 existing.pendingProps = element.props;638 existing.return = returnFiber;...

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react-diff.js

Source:react-diff.js Github

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...47 existing.return = returnFiber;48 return existing;49 }50 deleteRemainingChildren(returnFiber, currentFirstChild);51 const created = createFiberFromText(textConent, returnFiber.mode);52 created.return = returnFiber;53 return created;54}55function placeChild(newFiber, lastPlacedIndex, newIdx) {56 newFiber.index = newIndex;57 if (!shouldTrackSideEffects) {58 return lastPlacedIndex;59 }60 const current = newFiber.alternate; // current== null,该节点为新增节点61 if (current !== null) {62 // current !== null 表示更新，存在已有节点63 const oldIndex = current.index;64 if (oldIndex < lastPlacedIndex) {65 newFiber.flags = Placement;66 return lastPlacedIndex;67 } else {68 // 该项依然留在老位置69 return oldIndex;70 }71 } else {72 newFiber.flags = Placement;73 return lastPlacedIndex;74 }75}76function updateTextNode(returnFiber, current, textContent) {77 // current节点不是可复用的文本节点78 if (current === null || current.tag !== HostText) {79 // 通过textContent创建文本节点Fiber80 const created = createFiberFromText(textContent, returnFiber.mode);81 created.return = returnFiber;82 return created;83 } else {84 // 找到可复用的文本节点了，则复用85 const existing = useFiber(current, textContent); // 复用文本节点86 existing.return = returnFiber;87 return existing;88 }89}90function updateElement(returnFiber, current, element) {91 if (current !== null) {92 if (current.elementType === element.type) {93 const existing = useFiber(current, element.props); // 复用节点94 existing.ref = coerceRef(returnFiber, current, element);95 existing.return = returnFiber;96 return existing;97 }98 }99 // 新节点100 const created = createFiberFromElement(element, returnFiber.mode);101 created.ref = coerceRef(returnFiber, current, element);102 created.return = returnFiber;103 return created;104}105// 将所有老节点添加到Map对象中106function mapRemainingChildren(returnFiber, currentFirstChild) {107 const existingChildren = new Map();108 let existingChild = currentFirstChild;109 while (existingChild !== null) {110 // key 不为null 元素节点111 if (existingChild.key !== null) {112 existingChildren.set(existingChild.key, existingChild);113 } else {114 // 不存在key 则使用index代替115 existingChildren.set(existingChild.index, existingChild);116 }117 existingChild = existingChild.sibling;118 }119 return existingChildren;120}121function updateFromMap(existingChildren, returnFiber, newIdx, newChild) {122 // 新节点是文本节点123 if (typeof newChild === 'string' || typeof newChild === 'number') {124 const matchedFiber = existingChildren.get(newIdx) || null; // 找index相同的节点复用125 return updateTextNode(returnFiber, matchedFiber, '' + newChild);126 }127 // newChild是元素节点的情况128 if (typeof newChild === 'object' && newChild !== null) {129 if (newChild.$$typeof === REACT_ELEMENT_TYPE) {130 const matchedFiber =131 existingChildren.get(newChild.key ? newChild.key : newChild.index) ||132 null;133 // 返回更新后的元素节点134 return updateElement(returnFiber, matchedFiber, newChild);135 }136 }137 return null;138}139function createChild(returnFiber, newChild) {140 // 处理文本节点141 if (typeof newChild === 'string' || typeof newChild === 'number') {142 const created = createFiberFromText('' + newChild, returnFiber.mode);143 created.return = returnFiber;144 return created;145 }146 // 处理元素节点147 if (typeof newChild === 'object' && newChild !== null) {148 if (newChild.$$typeof === REACT_ELEMENT_TYPE) {149 const created = createFiberFromElement(newChild, returnFiber.mode);150 created.ref = coerceRef(returnFiber, null, newChild);151 created.return = returnFiber;152 return created;153 }154 }155 return null;156}157function createFiberFromText(content, mode) {158 const fiber = createFiber(HostText, content, null);159 return fiber;160}161function createFiberFromElement(element, mode) {162 let owner = null;163 const type = element.type;164 const key = element.key;165 const pendingProps = element.props;166 const fiber = createFiberFromTypeAndProps(167 type,168 key,169 pendingProps,170 owner,171 mode...

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childFiber.js

Source:childFiber.js Github

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...50 return null;51 }52 function updateTextNode(returnFiber, current, textContent, expirationTime) {53 if (current === null || current.tag !== HostText) {54 const created = createFiberFromText(55 textContent,56 returnFiber.mode,57 expirationTime,58 );59 created.return = returnFiber;60 return created;61 } else {62 // update63 const existing = useFiber(current, textContent, expirationTime);64 existing.return = returnFiber;65 return existing;66 }67 }68 function updateElement(returnFiber, current, element, expirationTime) {69 if (current !== null && current.elementType === element.type) {70 // type 相同71 const existing = useFiber(current, element.props, expirationTime);72 existing.ref = coerceRef(returnFiber, current, element);73 existing.return = returnFiber;74 return existing;75 } else {76 const created = createFiberFromElement(77 element,78 returnFiber.mode,79 expirationTime,80 );81 created.return = returnFiber;82 return created;83 }84 }85 function updateSlot(returnFiber, oldFiber, newChild, expirationTime) {86 const key = oldFiber !== null ? oldFiber.key : null;87 if (typeof newChild === 'string' || typeof newChild === 'number') {88 if (key !== null) {89 return null;90 }91 return updateTextNode(92 returnFiber,93 oldFiber,94 '' + newChild,95 expirationTime,96 );97 }98 if (typeof newChild === 'object' && newChild !== null) {99 switch (newChild.$$typeof) {100 case REACT_ELEMENT_TYPE: {101 if (newChild.key === key) {102 if (newChild.type === REACT_FRAGMENT_TYPE) {103 // todo104 return null;105 }106 return updateElement(107 returnFiber,108 oldFiber,109 newChild,110 expirationTime,111 );112 }113 }114 }115 }116 }117 function useFiber(fiber, pendingProps, expirationTime) {118 // We currently set sibling to null and index to 0 here because it is easy119 // to forget to do before returning it. E.g. for the single child case.120 121 // 重用之前的fiber 更新 props 和 过期时间122 const clone = createWorkInProgress(fiber, pendingProps, expirationTime);123 clone.index = 0;124 clone.sibling = null;125 return clone;126 }127 function createChild(returnFiber, newChild, expirationTime) {128 //129 if (typeof newChild === 'string' || typeof newChild === 'number') {130 const created = createFiberFromText(131 '' + newChild,132 returnFiber.mode,133 expirationTime,134 );135 created.return = returnFiber;136 return created;137 }138 if ((typeof newChild === 'object') !== null) {139 switch (newChild.$$typeof) {140 case REACT_ELEMENT_TYPE: {141 const created = createFiberFromElement(142 newChild,143 returnFiber.mode,144 expirationTime,145 );146 created.ref = coerceRef(returnFiber, null, newChild);147 created.return = returnFiber;148 return created;149 }150 }151 // TODO152 // if (isArray(newChild) || getIteratorFn(newChild)) {153 if (isArray(newChild)) {154 const created = createFiberFromFragment(155 newChild,156 returnFiber.mode,157 expirationTime,158 null,159 );160 created.return = returnFiber;161 return created;162 }163 }164 return null;165 }166 function placeChild(newFiber, lastPlacedIndex, newIndex) {167 newFiber.index = newIndex;168 if (!shouldTrackSideEffects) {169 return lastPlacedIndex;170 }171 // TODO172 const current = newFiber.alternate;173 if (current !== null) {174 }175 }176 function placeSingleChild(fiber) {177 if (shouldTrackSideEffects && fiber.alternate === null) {178 fiber.effectTag |= Placement;179 }180 return fiber;181 }182 function reconcileChildrenArray(183 returnFiber,184 currentFirstChild,185 newChildren,186 expirationTime,187 ) {188 let resultingFirstChild = null;189 let previousNewFiber = null;190 let oldFiber = currentFirstChild;191 let lastPlacedIndex = 0;192 let newIdx = 0;193 let nextOldFiber = null;194 for (; oldFiber !== null && newIdx < newChildren.length; newIdx++) {195 // TODO 第一渲染 oldFiber为null196 if (oldFiber.index > newIdx) {197 nextOldFiber = oldFiber;198 oldFiber = null;199 } else {200 nextOldFiber = oldFiber.sibling;201 }202 const newFiber = updateSlot(203 returnFiber,204 oldFiber,205 newChildren[newIdx],206 expirationTime,207 );208 if (newFiber === null) {209 if (oldFiber === null) {210 oldFiber = nextOldFiber211 }212 break213 }214 if (shouldTrackSideEffects) {215 if (oldFiber && newFiber.alternate === null) {216 // 不能重用的 标记删除217 deleteChild(returnFiber, oldFiber)218 }219 }220 lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx)221 if (previousNewFiber === null) {222 resultingFirstChild = newFiber223 } else {224 previousNewFiber.sibling = newFiber225 }226 previousNewFiber = newFiber227 oldFiber = nextOldFiber228 }229 if (newIdx === newChildren.length) {230 // 已经遍历完毕 都可以重用 标记需要删除的没人231 deleteRemainingChildren(returnFiber, oldFiber);232 return resultingFirstChild;233 }234 if (oldFiber === null) {235 for (; newIdx < newChildren.length; newIdx++) {236 const newFiber = createChild(237 returnFiber,238 newChildren[newIdx],239 expirationTime,240 );241 if (newFiber === null) {242 continue;243 }244 lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx);245 if (previousNewFiber === null) {246 resultingFirstChild = newFiber;247 } else {248 previousNewFiber.sibling = newFiber;249 }250 previousNewFiber = newFiber;251 }252 return resultingFirstChild;253 }254 }255 function reconcileSingleTextNode(256 returnFiber,257 currentFirstChild,258 textContent,259 expirationTime,260 ) {261 if (currentFirstChild !== null && currentFirstChild.tag === HostText) {262 deleteRemainingChildren(returnFiber, currentFirstChild.sibling);263 const existing = useFiber(264 currentFirstChild,265 textContent,266 expirationTime,267 );268 existing.return = returnFiber;269 return existing;270 }271 // 已存在的第一个child节点 不是一个text节点 所以我们需要创建一个新的 删除旧的272 deleteRemainingChildren(returnFiber, currentFirstChild);273 const created = createFiberFromText(274 textContent,275 returnFiber.mode,276 expirationTime,277 );278 created.return = returnFiber;279 return created;280 }281 function reconcileSingleElement(282 returnFiber,283 currentFirstChild,284 element,285 expirationTime,286 ) {287 const key = element.key;...

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ReactFiber.js

Source:ReactFiber.js Github

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...81 lanes82 );83 return fiber;84}85function createFiberFromText(content, mode, lanes) {86 const fiber = createFiber(HostText, content, null, mode);87 fiber.lanes = lanes;88 return fiber;89}90function createWorkInProgress(current, pendingProps) {91 let workInProgress = current.alternate;92 if(workInProgress === null) {93 // 无当前过程fiber时直接创建94 workInProgress = createFiber(95 current.tag,96 pendingProps,97 current.key,98 current.mode99 );...

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ReactChildFiber.js

Source:ReactChildFiber.js Github

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...13 // 当 shouldTrackSideEffects 为false时 表示初次mount,只需要在 根节点上打上 effect标记，其他节点不需要打effect标记14 // 当 shouldTrackSideEffects 为true时，表示更新，会在每个需要update的节点上打上 effect 标记15 function createChild(returnFiber, newChild) {16 if (typeof newChild === 'number' || typeof newChild === 'string') {17 const created = createFiberFromText(newChild);18 created.return = returnFiber;19 return created;20 }21 if (typeof newChild === 'object' && newChild !== null) {22 if (newChild.$$typeof === REACT_ELEMENT_TYPE) {23 const created = createFiberFromElement(newChild);24 created.return = returnFiber;25 return created;26 }27 }28 return null;29 }30 // 协调子fiber 创建fiber31 function reconcileSingleElement(returnFiber, currentFirstChild, element) {32 // key diff 算法待补充33 // 为元素创建 fiber34 const created = createFiberFromElement(element);35 // 添加当前fiber的父级 fiber36 created.return = returnFiber;37 return created;38 }39 // 文本节点40 function reconcileSingleTextNode(returnFiber, currentFirstChild, textContent) {41 // 省略更新过程42 // 为文本节点创建fiber节点43 const created = createFiberFromText(textContent);44 // return 表示文本节点的父节点45 created.return = returnFiber;46 return created;47 }48 // 标志当前fiber需要在commit阶段插入DOM49 function placeSingleChild(fiber) {50 // shouldTrackSideEffects 为true表示 更新51 // alternate 不存在，表示新增的节点52 // alternate 存在，表示需要更新的节点53 if (shouldTrackSideEffects && !fiber.alternate) {54 // 为fiber节点打上 更新 effect标记55 fiber.effectTag = Placement;56 }57 return fiber;...

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benginWork.js

Source:benginWork.js Github

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...118 returnFiber,119 newChild120) {121 if (typeof newChild === 'string' || typeof newChild === 'number') {122 const created = createFiberFromText('' + newChild)123 return created124 }125 return null126}127function placeSingleChild(newFiber) {128 return newFiber129}130function reconcileSingleTextNode(131 returnFiber,132 currentFirstChild,133 textContent134) {135 deleteRemainingChildren(returnFiber, currentFirstChild)136 const created = createFiberFromText(textContent)137 return created138}139function deleteChild(returnFiber, childToDelete) {140 const deletions = returnFiber.deletions141 if (deletions !== null) {142 returnFiber.deletions = [childToDelete]143 returnFiber.flags |= 'Deletion'144 } else {145 deletions.push(childToDelete)146 }147}148function deleteRemainingChildren(returnFiber, currentFirstChild) {149 let childToDelete = currentFirstChild150 while(childToDelete !== null) {151 deleteChild(returnFiber, childToDelete)152 childToDelete = childToDelete.sibling153 }154 return null155}156function createFiberFromText( content) {157 const fiber = creatFiber(FiberTag.HostText, content, null)158 return fiber159}160function creatFiber( tag, pendingProps, key) {161 return new FiberNode(tag, pendingProps, key)162}163function FiberNode(164 tag,165 pendingProps,166 key167) {168 this.tag = tag169 this.key = key170 this.elementType = null...

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index.js

Source:index.js Github

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1//@flow2import React from 'react'3import ReactDOM from 'react-dom'4import Reconciler from 'react-reconciler'5import emptyObject from 'fbjs/lib/emptyObject';6import * as Scheduler from 'scheduler/unstable_mock';7import CustomRenderer from './reglbase'8// import {9// createWorkInProgress,10// createFiberFromElement,11// createFiberFromFragment,12// createFiberFromText,13// createFiberFromPortal,14// } from 'react-reconciler';15class App extends React.Component {16 constructor(){17 super()18 this.state = { count: Math.random() }19 }20 // shouldComponentUpdate(){21 // console.log('shodul i update')22 // return true23 // }24 render(){25 // console.log(this)26 let num = this.state.count.toFixed(2);27 console.log(num)28 return <div>29 30 <p>hello world</p>31 <button onClick={e => this.setState({ count: 1 + this.state.count })}>32 Clicked <Thing>{num}</Thing> times33 </button>34 </div>35 }36}37function Thing(props){38 React.useEffect(() => {39 debugger40 console.log('hello')41 })42 console.log('thing', props.children)43 return <div>{props.children}</div>44}45console.log(CustomRenderer)46var element = <App />47// ReactDOM.render(element, document.getElementById('root'))48// render(<App />, { stuff: [] })49// var internalRoot = document.getElementById('root')._reactRootContainer._internalRoot50// console.log(internalRoot)51// setTimeout(() => {52// const customContainer = CustomRenderer.createContainer({});53// customContainer.current = cloneFiber(internalRoot.current);54// console.log(customContainer, 'cc')55// debugger56// CustomRenderer.updateContainer(<App xyz />, customContainer, null);57let customContainer = CustomRenderer.createContainer({});58CustomRenderer.updateContainer(<App />, customContainer, null)59CustomRenderer.updateContainer(<App />, customContainer, null)60// CustomRenderer.updateContainer(<App />, customContainer, null)61// CustomRenderer.updateContainer(<App />, customContainer, null)62console.log(customContainer)63function cloneFiber(fiber, map = new Map()){64 if(!fiber) return fiber;65 if(map.has(fiber)) return map.get(fiber);66 let clone = { ...fiber }67 map.set(fiber, clone)68 if(clone.stateNode){69 clone.stateNode = {70 containerInfo: {}71 }72 }73 clone.child = cloneFiber(fiber.child, map)74 clone.sibling = cloneFiber(fiber.sibling, map)75 clone.return = cloneFiber(fiber.return, map)76 77 return clone;78}79// }, 100)80// function metaproxy(obj){81// return new Proxy(obj, {82// get(target, prop, receiver){83// let value = Reflect.get(target, prop, receiver)84// if(value && typeof value == 'object'){85// console.log('getting', prop, value)86// return metaproxy(value)87// }88// return value;89// // console.log(prop, receiver, Reflect.get(...arguments))90// // return Reflect.get(...arguments);91// }92// })93// }94// var p = metaproxy(internalRoot);95// // 96// CustomRenderer.updateContainer(<App two />, p, null);97// setTimeout(function(args) {98// CustomRenderer.updateContainer(element, internalRoot, null);99// }, 1000)...

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Diff-TextNode.js

Source:Diff-TextNode.js Github

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...39 在源码里 useFiber 就是复用节点的方法，deleteRemainingChildren 就是删除剩余节点的方法，这里是从 currentFirstChild.sibling 开始删除的。40 第二种情况。xxx 不是一个 TextNode，那么就代表这个节点不能复用，所以就从currentFirstChild开始删掉剩余的节点，对应到上面的图中就是删除掉 xxx 节点和 aaa 节点。41 对于源码如下：42 deleteRemainingChildren(returnFiber, currentFirstChild);43 const created = createFiberFromText(44 textContent,45 returnFiber.mode,46 expirationTime,47 );48 created.return = returnFiber;49 其中 createFiberFromText 就是根据 textContent 来创建节点的方法。...

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Using AI Code Generation

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1import { createFiberFromText } from "playwright/lib/server/dom/fiber.js";2const fiber = createFiberFromText("Hello World");3console.log(fiber);4import { createFiberFromElement } from "playwright/lib/server/dom/fiber.js";5const fiber = createFiberFromElement("div");6console.log(fiber);7const fiber = createFiberFromText("Hello World");8console.log(fiber);9const fiber = createFiberFromElement("div");10console.log(fiber);

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Using AI Code Generation

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1const {createFiberFromText} = require('playwright/lib/server/dom.js');2const fiber = createFiberFromText('text', document);3console.log(fiber);4const {createFiberFromText} = require('playwright/lib/server/dom.js');5const fiber = createFiberFromText('text', document);6console.log(fiber);7const {createFiberFromText} = require('playwright/lib/server/dom.js');8const fiber = createFiberFromText('text', document);9console.log(fiber);10const {createFiberFromText} = require('playwright/lib/server/dom.js');11const fiber = createFiberFromText('text', document);12console.log(fiber);13const {createFiberFromText} = require('playwright/lib/server/dom.js');14const fiber = createFiberFromText('text', document);15console.log(fiber);16const {createFiberFromText} = require('playwright/lib/server/dom.js');17const fiber = createFiberFromText('text', document);18console.log(fiber);19const {createFiberFromText} = require('playwright/lib/server/dom.js');

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Using AI Code Generation

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1var {createFiberFromText} = require('playwright/lib/webkit/wkPage');2var fiber = createFiberFromText('Hello World');3fiber.evaluate(() => {4 console.log('Hello World');5});6{7 "dependencies": {8 }9}

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Using AI Code Generation

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1import { createFiberFromText } from 'playwright/lib/server/dom.js';2const fiber = createFiberFromText('test');3console.log(fiber);4{ _debugID: 0,5 alternate: null }6The output is a bit big but the important thing is to note that the type is test . This is what we need to pass to the render method of ReactDOM7ReactDOM.render(8 document.getElementById('root'),9);10import { createFiberFromText } from 'playwright/lib/server/dom.js';11import ReactDOM from 'react-dom';12const fiber = createFiberFromText('test');13ReactDOM.render(14 document.getElementById('root'),15);

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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