How to use rerenderDeferredValue method in Playwright Internal

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ReactFiberHooks.new.js

Source:ReactFiberHooks.new.js

...2154    },2155    useDeferredValue   (value   )    {2156      currentHookNameInDev = 'useDeferredValue';2157      updateHookTypesDev();2158      return rerenderDeferredValue(value);2159    },2160    useTransition()                                  {2161      currentHookNameInDev = 'useTransition';2162      updateHookTypesDev();2163      return rerenderTransition();2164    },2165    useMutableSource                  (2166      source                       ,2167      getSnapshot                                              ,2168      subscribe                                            ,2169    )           {2170      currentHookNameInDev = 'useMutableSource';2171      updateHookTypesDev();2172      return updateMutableSource(source, getSnapshot, subscribe);2173    },2174    useOpaqueIdentifier()                      {2175      currentHookNameInDev = 'useOpaqueIdentifier';2176      updateHookTypesDev();2177      return rerenderOpaqueIdentifier();2178    },2179    unstable_isNewReconciler: enableNewReconciler,2180  };2181  InvalidNestedHooksDispatcherOnMountInDEV = {2182    readContext   (2183      context                 ,2184      observedBits                         ,2185    )    {2186      warnInvalidContextAccess();2187      return readContext(context, observedBits);2188    },2189    useCallback   (callback   , deps                            )    {2190      currentHookNameInDev = 'useCallback';2191      warnInvalidHookAccess();2192      mountHookTypesDev();2193      return mountCallback(callback, deps);2194    },2195    useContext   (2196      context                 ,2197      observedBits                         ,2198    )    {2199      currentHookNameInDev = 'useContext';2200      warnInvalidHookAccess();2201      mountHookTypesDev();2202      return readContext(context, observedBits);2203    },2204    useEffect(2205      create                           ,2206      deps                            ,2207    )       {2208      currentHookNameInDev = 'useEffect';2209      warnInvalidHookAccess();2210      mountHookTypesDev();2211      return mountEffect(create, deps);2212    },2213    useImperativeHandle   (2214      ref                                                                   ,2215      create         ,2216      deps                            ,2217    )       {2218      currentHookNameInDev = 'useImperativeHandle';2219      warnInvalidHookAccess();2220      mountHookTypesDev();2221      return mountImperativeHandle(ref, create, deps);2222    },2223    useLayoutEffect(2224      create                           ,2225      deps                            ,2226    )       {2227      currentHookNameInDev = 'useLayoutEffect';2228      warnInvalidHookAccess();2229      mountHookTypesDev();2230      return mountLayoutEffect(create, deps);2231    },2232    useMemo   (create         , deps                            )    {2233      currentHookNameInDev = 'useMemo';2234      warnInvalidHookAccess();2235      mountHookTypesDev();2236      const prevDispatcher = ReactCurrentDispatcher.current;2237      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;2238      try {2239        return mountMemo(create, deps);2240      } finally {2241        ReactCurrentDispatcher.current = prevDispatcher;2242      }2243    },2244    useReducer         (2245      reducer             ,2246      initialArg   ,2247      init         ,2248    )                   {2249      currentHookNameInDev = 'useReducer';2250      warnInvalidHookAccess();2251      mountHookTypesDev();2252      const prevDispatcher = ReactCurrentDispatcher.current;2253      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;2254      try {2255        return mountReducer(reducer, initialArg, init);2256      } finally {2257        ReactCurrentDispatcher.current = prevDispatcher;2258      }2259    },2260    useRef   (initialValue   )                 {2261      currentHookNameInDev = 'useRef';2262      warnInvalidHookAccess();2263      mountHookTypesDev();2264      return mountRef(initialValue);2265    },2266    useState   (2267      initialState               ,2268    )                                     {2269      currentHookNameInDev = 'useState';2270      warnInvalidHookAccess();2271      mountHookTypesDev();2272      const prevDispatcher = ReactCurrentDispatcher.current;2273      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;2274      try {2275        return mountState(initialState);2276      } finally {2277        ReactCurrentDispatcher.current = prevDispatcher;2278      }2279    },2280    useDebugValue   (value   , formatterFn                      )       {2281      currentHookNameInDev = 'useDebugValue';2282      warnInvalidHookAccess();2283      mountHookTypesDev();2284      return mountDebugValue(value, formatterFn);2285    },2286    useDeferredValue   (value   )    {2287      currentHookNameInDev = 'useDeferredValue';2288      warnInvalidHookAccess();2289      mountHookTypesDev();2290      return mountDeferredValue(value);2291    },2292    useTransition()                                  {2293      currentHookNameInDev = 'useTransition';2294      warnInvalidHookAccess();2295      mountHookTypesDev();2296      return mountTransition();2297    },2298    useMutableSource                  (2299      source                       ,2300      getSnapshot                                              ,2301      subscribe                                            ,2302    )           {2303      currentHookNameInDev = 'useMutableSource';2304      warnInvalidHookAccess();2305      mountHookTypesDev();2306      return mountMutableSource(source, getSnapshot, subscribe);2307    },2308    useOpaqueIdentifier()                      {2309      currentHookNameInDev = 'useOpaqueIdentifier';2310      warnInvalidHookAccess();2311      mountHookTypesDev();2312      return mountOpaqueIdentifier();2313    },2314    unstable_isNewReconciler: enableNewReconciler,2315  };2316  InvalidNestedHooksDispatcherOnUpdateInDEV = {2317    readContext   (2318      context                 ,2319      observedBits                         ,2320    )    {2321      warnInvalidContextAccess();2322      return readContext(context, observedBits);2323    },2324    useCallback   (callback   , deps                            )    {2325      currentHookNameInDev = 'useCallback';2326      warnInvalidHookAccess();2327      updateHookTypesDev();2328      return updateCallback(callback, deps);2329    },2330    useContext   (2331      context                 ,2332      observedBits                         ,2333    )    {2334      currentHookNameInDev = 'useContext';2335      warnInvalidHookAccess();2336      updateHookTypesDev();2337      return readContext(context, observedBits);2338    },2339    useEffect(2340      create                           ,2341      deps                            ,2342    )       {2343      currentHookNameInDev = 'useEffect';2344      warnInvalidHookAccess();2345      updateHookTypesDev();2346      return updateEffect(create, deps);2347    },2348    useImperativeHandle   (2349      ref                                                                   ,2350      create         ,2351      deps                            ,2352    )       {2353      currentHookNameInDev = 'useImperativeHandle';2354      warnInvalidHookAccess();2355      updateHookTypesDev();2356      return updateImperativeHandle(ref, create, deps);2357    },2358    useLayoutEffect(2359      create                           ,2360      deps                            ,2361    )       {2362      currentHookNameInDev = 'useLayoutEffect';2363      warnInvalidHookAccess();2364      updateHookTypesDev();2365      return updateLayoutEffect(create, deps);2366    },2367    useMemo   (create         , deps                            )    {2368      currentHookNameInDev = 'useMemo';2369      warnInvalidHookAccess();2370      updateHookTypesDev();2371      const prevDispatcher = ReactCurrentDispatcher.current;2372      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2373      try {2374        return updateMemo(create, deps);2375      } finally {2376        ReactCurrentDispatcher.current = prevDispatcher;2377      }2378    },2379    useReducer         (2380      reducer             ,2381      initialArg   ,2382      init         ,2383    )                   {2384      currentHookNameInDev = 'useReducer';2385      warnInvalidHookAccess();2386      updateHookTypesDev();2387      const prevDispatcher = ReactCurrentDispatcher.current;2388      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2389      try {2390        return updateReducer(reducer, initialArg, init);2391      } finally {2392        ReactCurrentDispatcher.current = prevDispatcher;2393      }2394    },2395    useRef   (initialValue   )                 {2396      currentHookNameInDev = 'useRef';2397      warnInvalidHookAccess();2398      updateHookTypesDev();2399      return updateRef(initialValue);2400    },2401    useState   (2402      initialState               ,2403    )                                     {2404      currentHookNameInDev = 'useState';2405      warnInvalidHookAccess();2406      updateHookTypesDev();2407      const prevDispatcher = ReactCurrentDispatcher.current;2408      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2409      try {2410        return updateState(initialState);2411      } finally {2412        ReactCurrentDispatcher.current = prevDispatcher;2413      }2414    },2415    useDebugValue   (value   , formatterFn                      )       {2416      currentHookNameInDev = 'useDebugValue';2417      warnInvalidHookAccess();2418      updateHookTypesDev();2419      return updateDebugValue(value, formatterFn);2420    },2421    useDeferredValue   (value   )    {2422      currentHookNameInDev = 'useDeferredValue';2423      warnInvalidHookAccess();2424      updateHookTypesDev();2425      return updateDeferredValue(value);2426    },2427    useTransition()                                  {2428      currentHookNameInDev = 'useTransition';2429      warnInvalidHookAccess();2430      updateHookTypesDev();2431      return updateTransition();2432    },2433    useMutableSource                  (2434      source                       ,2435      getSnapshot                                              ,2436      subscribe                                            ,2437    )           {2438      currentHookNameInDev = 'useMutableSource';2439      warnInvalidHookAccess();2440      updateHookTypesDev();2441      return updateMutableSource(source, getSnapshot, subscribe);2442    },2443    useOpaqueIdentifier()                      {2444      currentHookNameInDev = 'useOpaqueIdentifier';2445      warnInvalidHookAccess();2446      updateHookTypesDev();2447      return updateOpaqueIdentifier();2448    },2449    unstable_isNewReconciler: enableNewReconciler,2450  };2451  InvalidNestedHooksDispatcherOnRerenderInDEV = {2452    readContext   (2453      context                 ,2454      observedBits                         ,2455    )    {2456      warnInvalidContextAccess();2457      return readContext(context, observedBits);2458    },2459    useCallback   (callback   , deps                            )    {2460      currentHookNameInDev = 'useCallback';2461      warnInvalidHookAccess();2462      updateHookTypesDev();2463      return updateCallback(callback, deps);2464    },2465    useContext   (2466      context                 ,2467      observedBits                         ,2468    )    {2469      currentHookNameInDev = 'useContext';2470      warnInvalidHookAccess();2471      updateHookTypesDev();2472      return readContext(context, observedBits);2473    },2474    useEffect(2475      create                           ,2476      deps                            ,2477    )       {2478      currentHookNameInDev = 'useEffect';2479      warnInvalidHookAccess();2480      updateHookTypesDev();2481      return updateEffect(create, deps);2482    },2483    useImperativeHandle   (2484      ref                                                                   ,2485      create         ,2486      deps                            ,2487    )       {2488      currentHookNameInDev = 'useImperativeHandle';2489      warnInvalidHookAccess();2490      updateHookTypesDev();2491      return updateImperativeHandle(ref, create, deps);2492    },2493    useLayoutEffect(2494      create                           ,2495      deps                            ,2496    )       {2497      currentHookNameInDev = 'useLayoutEffect';2498      warnInvalidHookAccess();2499      updateHookTypesDev();2500      return updateLayoutEffect(create, deps);2501    },2502    useMemo   (create         , deps                            )    {2503      currentHookNameInDev = 'useMemo';2504      warnInvalidHookAccess();2505      updateHookTypesDev();2506      const prevDispatcher = ReactCurrentDispatcher.current;2507      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2508      try {2509        return updateMemo(create, deps);2510      } finally {2511        ReactCurrentDispatcher.current = prevDispatcher;2512      }2513    },2514    useReducer         (2515      reducer             ,2516      initialArg   ,2517      init         ,2518    )                   {2519      currentHookNameInDev = 'useReducer';2520      warnInvalidHookAccess();2521      updateHookTypesDev();2522      const prevDispatcher = ReactCurrentDispatcher.current;2523      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2524      try {2525        return rerenderReducer(reducer, initialArg, init);2526      } finally {2527        ReactCurrentDispatcher.current = prevDispatcher;2528      }2529    },2530    useRef   (initialValue   )                 {2531      currentHookNameInDev = 'useRef';2532      warnInvalidHookAccess();2533      updateHookTypesDev();2534      return updateRef(initialValue);2535    },2536    useState   (2537      initialState               ,2538    )                                     {2539      currentHookNameInDev = 'useState';2540      warnInvalidHookAccess();2541      updateHookTypesDev();2542      const prevDispatcher = ReactCurrentDispatcher.current;2543      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2544      try {2545        return rerenderState(initialState);2546      } finally {2547        ReactCurrentDispatcher.current = prevDispatcher;2548      }2549    },2550    useDebugValue   (value   , formatterFn                      )       {2551      currentHookNameInDev = 'useDebugValue';2552      warnInvalidHookAccess();2553      updateHookTypesDev();2554      return updateDebugValue(value, formatterFn);2555    },2556    useDeferredValue   (value   )    {2557      currentHookNameInDev = 'useDeferredValue';2558      warnInvalidHookAccess();2559      updateHookTypesDev();2560      return rerenderDeferredValue(value);2561    },2562    useTransition()                                  {2563      currentHookNameInDev = 'useTransition';2564      warnInvalidHookAccess();2565      updateHookTypesDev();2566      return rerenderTransition();2567    },2568    useMutableSource                  (2569      source                       ,2570      getSnapshot                                              ,2571      subscribe                                            ,2572    )           {2573      currentHookNameInDev = 'useMutableSource';2574      warnInvalidHookAccess();...

ReactFiberHooks.old.js

Source:ReactFiberHooks.old.js

...2114    },2115    useDeferredValue   (value   )    {2116      currentHookNameInDev = 'useDeferredValue';2117      updateHookTypesDev();2118      return rerenderDeferredValue(value);2119    },2120    useTransition()                                  {2121      currentHookNameInDev = 'useTransition';2122      updateHookTypesDev();2123      return rerenderTransition();2124    },2125    useMutableSource                  (2126      source                       ,2127      getSnapshot                                              ,2128      subscribe                                            ,2129    )           {2130      currentHookNameInDev = 'useMutableSource';2131      updateHookTypesDev();2132      return updateMutableSource(source, getSnapshot, subscribe);2133    },2134    useOpaqueIdentifier()                      {2135      currentHookNameInDev = 'useOpaqueIdentifier';2136      updateHookTypesDev();2137      return rerenderOpaqueIdentifier();2138    },2139    unstable_isNewReconciler: enableNewReconciler,2140  };2141  InvalidNestedHooksDispatcherOnMountInDEV = {2142    readContext   (2143      context                 ,2144      observedBits                         ,2145    )    {2146      warnInvalidContextAccess();2147      return readContext(context, observedBits);2148    },2149    useCallback   (callback   , deps                            )    {2150      currentHookNameInDev = 'useCallback';2151      warnInvalidHookAccess();2152      mountHookTypesDev();2153      return mountCallback(callback, deps);2154    },2155    useContext   (2156      context                 ,2157      observedBits                         ,2158    )    {2159      currentHookNameInDev = 'useContext';2160      warnInvalidHookAccess();2161      mountHookTypesDev();2162      return readContext(context, observedBits);2163    },2164    useEffect(2165      create                           ,2166      deps                            ,2167    )       {2168      currentHookNameInDev = 'useEffect';2169      warnInvalidHookAccess();2170      mountHookTypesDev();2171      return mountEffect(create, deps);2172    },2173    useImperativeHandle   (2174      ref                                                                   ,2175      create         ,2176      deps                            ,2177    )       {2178      currentHookNameInDev = 'useImperativeHandle';2179      warnInvalidHookAccess();2180      mountHookTypesDev();2181      return mountImperativeHandle(ref, create, deps);2182    },2183    useLayoutEffect(2184      create                           ,2185      deps                            ,2186    )       {2187      currentHookNameInDev = 'useLayoutEffect';2188      warnInvalidHookAccess();2189      mountHookTypesDev();2190      return mountLayoutEffect(create, deps);2191    },2192    useMemo   (create         , deps                            )    {2193      currentHookNameInDev = 'useMemo';2194      warnInvalidHookAccess();2195      mountHookTypesDev();2196      const prevDispatcher = ReactCurrentDispatcher.current;2197      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;2198      try {2199        return mountMemo(create, deps);2200      } finally {2201        ReactCurrentDispatcher.current = prevDispatcher;2202      }2203    },2204    useReducer         (2205      reducer             ,2206      initialArg   ,2207      init         ,2208    )                   {2209      currentHookNameInDev = 'useReducer';2210      warnInvalidHookAccess();2211      mountHookTypesDev();2212      const prevDispatcher = ReactCurrentDispatcher.current;2213      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;2214      try {2215        return mountReducer(reducer, initialArg, init);2216      } finally {2217        ReactCurrentDispatcher.current = prevDispatcher;2218      }2219    },2220    useRef   (initialValue   )                 {2221      currentHookNameInDev = 'useRef';2222      warnInvalidHookAccess();2223      mountHookTypesDev();2224      return mountRef(initialValue);2225    },2226    useState   (2227      initialState               ,2228    )                                     {2229      currentHookNameInDev = 'useState';2230      warnInvalidHookAccess();2231      mountHookTypesDev();2232      const prevDispatcher = ReactCurrentDispatcher.current;2233      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;2234      try {2235        return mountState(initialState);2236      } finally {2237        ReactCurrentDispatcher.current = prevDispatcher;2238      }2239    },2240    useDebugValue   (value   , formatterFn                      )       {2241      currentHookNameInDev = 'useDebugValue';2242      warnInvalidHookAccess();2243      mountHookTypesDev();2244      return mountDebugValue(value, formatterFn);2245    },2246    useDeferredValue   (value   )    {2247      currentHookNameInDev = 'useDeferredValue';2248      warnInvalidHookAccess();2249      mountHookTypesDev();2250      return mountDeferredValue(value);2251    },2252    useTransition()                                  {2253      currentHookNameInDev = 'useTransition';2254      warnInvalidHookAccess();2255      mountHookTypesDev();2256      return mountTransition();2257    },2258    useMutableSource                  (2259      source                       ,2260      getSnapshot                                              ,2261      subscribe                                            ,2262    )           {2263      currentHookNameInDev = 'useMutableSource';2264      warnInvalidHookAccess();2265      mountHookTypesDev();2266      return mountMutableSource(source, getSnapshot, subscribe);2267    },2268    useOpaqueIdentifier()                      {2269      currentHookNameInDev = 'useOpaqueIdentifier';2270      warnInvalidHookAccess();2271      mountHookTypesDev();2272      return mountOpaqueIdentifier();2273    },2274    unstable_isNewReconciler: enableNewReconciler,2275  };2276  InvalidNestedHooksDispatcherOnUpdateInDEV = {2277    readContext   (2278      context                 ,2279      observedBits                         ,2280    )    {2281      warnInvalidContextAccess();2282      return readContext(context, observedBits);2283    },2284    useCallback   (callback   , deps                            )    {2285      currentHookNameInDev = 'useCallback';2286      warnInvalidHookAccess();2287      updateHookTypesDev();2288      return updateCallback(callback, deps);2289    },2290    useContext   (2291      context                 ,2292      observedBits                         ,2293    )    {2294      currentHookNameInDev = 'useContext';2295      warnInvalidHookAccess();2296      updateHookTypesDev();2297      return readContext(context, observedBits);2298    },2299    useEffect(2300      create                           ,2301      deps                            ,2302    )       {2303      currentHookNameInDev = 'useEffect';2304      warnInvalidHookAccess();2305      updateHookTypesDev();2306      return updateEffect(create, deps);2307    },2308    useImperativeHandle   (2309      ref                                                                   ,2310      create         ,2311      deps                            ,2312    )       {2313      currentHookNameInDev = 'useImperativeHandle';2314      warnInvalidHookAccess();2315      updateHookTypesDev();2316      return updateImperativeHandle(ref, create, deps);2317    },2318    useLayoutEffect(2319      create                           ,2320      deps                            ,2321    )       {2322      currentHookNameInDev = 'useLayoutEffect';2323      warnInvalidHookAccess();2324      updateHookTypesDev();2325      return updateLayoutEffect(create, deps);2326    },2327    useMemo   (create         , deps                            )    {2328      currentHookNameInDev = 'useMemo';2329      warnInvalidHookAccess();2330      updateHookTypesDev();2331      const prevDispatcher = ReactCurrentDispatcher.current;2332      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2333      try {2334        return updateMemo(create, deps);2335      } finally {2336        ReactCurrentDispatcher.current = prevDispatcher;2337      }2338    },2339    useReducer         (2340      reducer             ,2341      initialArg   ,2342      init         ,2343    )                   {2344      currentHookNameInDev = 'useReducer';2345      warnInvalidHookAccess();2346      updateHookTypesDev();2347      const prevDispatcher = ReactCurrentDispatcher.current;2348      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2349      try {2350        return updateReducer(reducer, initialArg, init);2351      } finally {2352        ReactCurrentDispatcher.current = prevDispatcher;2353      }2354    },2355    useRef   (initialValue   )                 {2356      currentHookNameInDev = 'useRef';2357      warnInvalidHookAccess();2358      updateHookTypesDev();2359      return updateRef(initialValue);2360    },2361    useState   (2362      initialState               ,2363    )                                     {2364      currentHookNameInDev = 'useState';2365      warnInvalidHookAccess();2366      updateHookTypesDev();2367      const prevDispatcher = ReactCurrentDispatcher.current;2368      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2369      try {2370        return updateState(initialState);2371      } finally {2372        ReactCurrentDispatcher.current = prevDispatcher;2373      }2374    },2375    useDebugValue   (value   , formatterFn                      )       {2376      currentHookNameInDev = 'useDebugValue';2377      warnInvalidHookAccess();2378      updateHookTypesDev();2379      return updateDebugValue(value, formatterFn);2380    },2381    useDeferredValue   (value   )    {2382      currentHookNameInDev = 'useDeferredValue';2383      warnInvalidHookAccess();2384      updateHookTypesDev();2385      return updateDeferredValue(value);2386    },2387    useTransition()                                  {2388      currentHookNameInDev = 'useTransition';2389      warnInvalidHookAccess();2390      updateHookTypesDev();2391      return updateTransition();2392    },2393    useMutableSource                  (2394      source                       ,2395      getSnapshot                                              ,2396      subscribe                                            ,2397    )           {2398      currentHookNameInDev = 'useMutableSource';2399      warnInvalidHookAccess();2400      updateHookTypesDev();2401      return updateMutableSource(source, getSnapshot, subscribe);2402    },2403    useOpaqueIdentifier()                      {2404      currentHookNameInDev = 'useOpaqueIdentifier';2405      warnInvalidHookAccess();2406      updateHookTypesDev();2407      return updateOpaqueIdentifier();2408    },2409    unstable_isNewReconciler: enableNewReconciler,2410  };2411  InvalidNestedHooksDispatcherOnRerenderInDEV = {2412    readContext   (2413      context                 ,2414      observedBits                         ,2415    )    {2416      warnInvalidContextAccess();2417      return readContext(context, observedBits);2418    },2419    useCallback   (callback   , deps                            )    {2420      currentHookNameInDev = 'useCallback';2421      warnInvalidHookAccess();2422      updateHookTypesDev();2423      return updateCallback(callback, deps);2424    },2425    useContext   (2426      context                 ,2427      observedBits                         ,2428    )    {2429      currentHookNameInDev = 'useContext';2430      warnInvalidHookAccess();2431      updateHookTypesDev();2432      return readContext(context, observedBits);2433    },2434    useEffect(2435      create                           ,2436      deps                            ,2437    )       {2438      currentHookNameInDev = 'useEffect';2439      warnInvalidHookAccess();2440      updateHookTypesDev();2441      return updateEffect(create, deps);2442    },2443    useImperativeHandle   (2444      ref                                                                   ,2445      create         ,2446      deps                            ,2447    )       {2448      currentHookNameInDev = 'useImperativeHandle';2449      warnInvalidHookAccess();2450      updateHookTypesDev();2451      return updateImperativeHandle(ref, create, deps);2452    },2453    useLayoutEffect(2454      create                           ,2455      deps                            ,2456    )       {2457      currentHookNameInDev = 'useLayoutEffect';2458      warnInvalidHookAccess();2459      updateHookTypesDev();2460      return updateLayoutEffect(create, deps);2461    },2462    useMemo   (create         , deps                            )    {2463      currentHookNameInDev = 'useMemo';2464      warnInvalidHookAccess();2465      updateHookTypesDev();2466      const prevDispatcher = ReactCurrentDispatcher.current;2467      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2468      try {2469        return updateMemo(create, deps);2470      } finally {2471        ReactCurrentDispatcher.current = prevDispatcher;2472      }2473    },2474    useReducer         (2475      reducer             ,2476      initialArg   ,2477      init         ,2478    )                   {2479      currentHookNameInDev = 'useReducer';2480      warnInvalidHookAccess();2481      updateHookTypesDev();2482      const prevDispatcher = ReactCurrentDispatcher.current;2483      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2484      try {2485        return rerenderReducer(reducer, initialArg, init);2486      } finally {2487        ReactCurrentDispatcher.current = prevDispatcher;2488      }2489    },2490    useRef   (initialValue   )                 {2491      currentHookNameInDev = 'useRef';2492      warnInvalidHookAccess();2493      updateHookTypesDev();2494      return updateRef(initialValue);2495    },2496    useState   (2497      initialState               ,2498    )                                     {2499      currentHookNameInDev = 'useState';2500      warnInvalidHookAccess();2501      updateHookTypesDev();2502      const prevDispatcher = ReactCurrentDispatcher.current;2503      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2504      try {2505        return rerenderState(initialState);2506      } finally {2507        ReactCurrentDispatcher.current = prevDispatcher;2508      }2509    },2510    useDebugValue   (value   , formatterFn                      )       {2511      currentHookNameInDev = 'useDebugValue';2512      warnInvalidHookAccess();2513      updateHookTypesDev();2514      return updateDebugValue(value, formatterFn);2515    },2516    useDeferredValue   (value   )    {2517      currentHookNameInDev = 'useDeferredValue';2518      warnInvalidHookAccess();2519      updateHookTypesDev();2520      return rerenderDeferredValue(value);2521    },2522    useTransition()                                  {2523      currentHookNameInDev = 'useTransition';2524      warnInvalidHookAccess();2525      updateHookTypesDev();2526      return rerenderTransition();2527    },2528    useMutableSource                  (2529      source                       ,2530      getSnapshot                                              ,2531      subscribe                                            ,2532    )           {2533      currentHookNameInDev = 'useMutableSource';2534      warnInvalidHookAccess();...

ReactFiberHooks.js

Source:ReactFiberHooks.js

...1757    },1758    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {1759      currentHookNameInDev = 'useDeferredValue';1760      updateHookTypesDev();1761      return rerenderDeferredValue(value, config);1762    },1763    useTransition(1764      config: SuspenseConfig | void | null,1765    ): [(() => void) => void, boolean] {1766      currentHookNameInDev = 'useTransition';1767      updateHookTypesDev();1768      return rerenderTransition(config);1769    },1770  };1771  InvalidNestedHooksDispatcherOnMountInDEV = {1772    readContext<T>(1773      context: ReactContext<T>,1774      observedBits: void | number | boolean,1775    ): T {1776      warnInvalidContextAccess();1777      return readContext(context, observedBits);1778    },1779    useCallback<T>(callback: T, deps: Array<mixed> | void | null): T {1780      currentHookNameInDev = 'useCallback';1781      warnInvalidHookAccess();1782      mountHookTypesDev();1783      return mountCallback(callback, deps);1784    },1785    useContext<T>(1786      context: ReactContext<T>,1787      observedBits: void | number | boolean,1788    ): T {1789      currentHookNameInDev = 'useContext';1790      warnInvalidHookAccess();1791      mountHookTypesDev();1792      return readContext(context, observedBits);1793    },1794    useEffect(1795      create: () => (() => void) | void,1796      deps: Array<mixed> | void | null,1797    ): void {1798      currentHookNameInDev = 'useEffect';1799      warnInvalidHookAccess();1800      mountHookTypesDev();1801      return mountEffect(create, deps);1802    },1803    useImperativeHandle<T>(1804      ref: {|current: T | null|} | ((inst: T | null) => mixed) | null | void,1805      create: () => T,1806      deps: Array<mixed> | void | null,1807    ): void {1808      currentHookNameInDev = 'useImperativeHandle';1809      warnInvalidHookAccess();1810      mountHookTypesDev();1811      return mountImperativeHandle(ref, create, deps);1812    },1813    useLayoutEffect(1814      create: () => (() => void) | void,1815      deps: Array<mixed> | void | null,1816    ): void {1817      currentHookNameInDev = 'useLayoutEffect';1818      warnInvalidHookAccess();1819      mountHookTypesDev();1820      return mountLayoutEffect(create, deps);1821    },1822    useMemo<T>(create: () => T, deps: Array<mixed> | void | null): T {1823      currentHookNameInDev = 'useMemo';1824      warnInvalidHookAccess();1825      mountHookTypesDev();1826      const prevDispatcher = ReactCurrentDispatcher.current;1827      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;1828      try {1829        return mountMemo(create, deps);1830      } finally {1831        ReactCurrentDispatcher.current = prevDispatcher;1832      }1833    },1834    useReducer<S, I, A>(1835      reducer: (S, A) => S,1836      initialArg: I,1837      init?: I => S,1838    ): [S, Dispatch<A>] {1839      currentHookNameInDev = 'useReducer';1840      warnInvalidHookAccess();1841      mountHookTypesDev();1842      const prevDispatcher = ReactCurrentDispatcher.current;1843      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;1844      try {1845        return mountReducer(reducer, initialArg, init);1846      } finally {1847        ReactCurrentDispatcher.current = prevDispatcher;1848      }1849    },1850    useRef<T>(initialValue: T): {|current: T|} {1851      currentHookNameInDev = 'useRef';1852      warnInvalidHookAccess();1853      mountHookTypesDev();1854      return mountRef(initialValue);1855    },1856    useState<S>(1857      initialState: (() => S) | S,1858    ): [S, Dispatch<BasicStateAction<S>>] {1859      currentHookNameInDev = 'useState';1860      warnInvalidHookAccess();1861      mountHookTypesDev();1862      const prevDispatcher = ReactCurrentDispatcher.current;1863      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnMountInDEV;1864      try {1865        return mountState(initialState);1866      } finally {1867        ReactCurrentDispatcher.current = prevDispatcher;1868      }1869    },1870    useDebugValue<T>(value: T, formatterFn: ?(value: T) => mixed): void {1871      currentHookNameInDev = 'useDebugValue';1872      warnInvalidHookAccess();1873      mountHookTypesDev();1874      return mountDebugValue(value, formatterFn);1875    },1876    useResponder<E, C>(1877      responder: ReactEventResponder<E, C>,1878      props,1879    ): ReactEventResponderListener<E, C> {1880      currentHookNameInDev = 'useResponder';1881      warnInvalidHookAccess();1882      mountHookTypesDev();1883      return createDeprecatedResponderListener(responder, props);1884    },1885    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {1886      currentHookNameInDev = 'useDeferredValue';1887      warnInvalidHookAccess();1888      mountHookTypesDev();1889      return mountDeferredValue(value, config);1890    },1891    useTransition(1892      config: SuspenseConfig | void | null,1893    ): [(() => void) => void, boolean] {1894      currentHookNameInDev = 'useTransition';1895      warnInvalidHookAccess();1896      mountHookTypesDev();1897      return mountTransition(config);1898    },1899  };1900  InvalidNestedHooksDispatcherOnUpdateInDEV = {1901    readContext<T>(1902      context: ReactContext<T>,1903      observedBits: void | number | boolean,1904    ): T {1905      warnInvalidContextAccess();1906      return readContext(context, observedBits);1907    },1908    useCallback<T>(callback: T, deps: Array<mixed> | void | null): T {1909      currentHookNameInDev = 'useCallback';1910      warnInvalidHookAccess();1911      updateHookTypesDev();1912      return updateCallback(callback, deps);1913    },1914    useContext<T>(1915      context: ReactContext<T>,1916      observedBits: void | number | boolean,1917    ): T {1918      currentHookNameInDev = 'useContext';1919      warnInvalidHookAccess();1920      updateHookTypesDev();1921      return readContext(context, observedBits);1922    },1923    useEffect(1924      create: () => (() => void) | void,1925      deps: Array<mixed> | void | null,1926    ): void {1927      currentHookNameInDev = 'useEffect';1928      warnInvalidHookAccess();1929      updateHookTypesDev();1930      return updateEffect(create, deps);1931    },1932    useImperativeHandle<T>(1933      ref: {|current: T | null|} | ((inst: T | null) => mixed) | null | void,1934      create: () => T,1935      deps: Array<mixed> | void | null,1936    ): void {1937      currentHookNameInDev = 'useImperativeHandle';1938      warnInvalidHookAccess();1939      updateHookTypesDev();1940      return updateImperativeHandle(ref, create, deps);1941    },1942    useLayoutEffect(1943      create: () => (() => void) | void,1944      deps: Array<mixed> | void | null,1945    ): void {1946      currentHookNameInDev = 'useLayoutEffect';1947      warnInvalidHookAccess();1948      updateHookTypesDev();1949      return updateLayoutEffect(create, deps);1950    },1951    useMemo<T>(create: () => T, deps: Array<mixed> | void | null): T {1952      currentHookNameInDev = 'useMemo';1953      warnInvalidHookAccess();1954      updateHookTypesDev();1955      const prevDispatcher = ReactCurrentDispatcher.current;1956      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;1957      try {1958        return updateMemo(create, deps);1959      } finally {1960        ReactCurrentDispatcher.current = prevDispatcher;1961      }1962    },1963    useReducer<S, I, A>(1964      reducer: (S, A) => S,1965      initialArg: I,1966      init?: I => S,1967    ): [S, Dispatch<A>] {1968      currentHookNameInDev = 'useReducer';1969      warnInvalidHookAccess();1970      updateHookTypesDev();1971      const prevDispatcher = ReactCurrentDispatcher.current;1972      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;1973      try {1974        return updateReducer(reducer, initialArg, init);1975      } finally {1976        ReactCurrentDispatcher.current = prevDispatcher;1977      }1978    },1979    useRef<T>(initialValue: T): {|current: T|} {1980      currentHookNameInDev = 'useRef';1981      warnInvalidHookAccess();1982      updateHookTypesDev();1983      return updateRef(initialValue);1984    },1985    useState<S>(1986      initialState: (() => S) | S,1987    ): [S, Dispatch<BasicStateAction<S>>] {1988      currentHookNameInDev = 'useState';1989      warnInvalidHookAccess();1990      updateHookTypesDev();1991      const prevDispatcher = ReactCurrentDispatcher.current;1992      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;1993      try {1994        return updateState(initialState);1995      } finally {1996        ReactCurrentDispatcher.current = prevDispatcher;1997      }1998    },1999    useDebugValue<T>(value: T, formatterFn: ?(value: T) => mixed): void {2000      currentHookNameInDev = 'useDebugValue';2001      warnInvalidHookAccess();2002      updateHookTypesDev();2003      return updateDebugValue(value, formatterFn);2004    },2005    useResponder<E, C>(2006      responder: ReactEventResponder<E, C>,2007      props,2008    ): ReactEventResponderListener<E, C> {2009      currentHookNameInDev = 'useResponder';2010      warnInvalidHookAccess();2011      updateHookTypesDev();2012      return createDeprecatedResponderListener(responder, props);2013    },2014    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {2015      currentHookNameInDev = 'useDeferredValue';2016      warnInvalidHookAccess();2017      updateHookTypesDev();2018      return updateDeferredValue(value, config);2019    },2020    useTransition(2021      config: SuspenseConfig | void | null,2022    ): [(() => void) => void, boolean] {2023      currentHookNameInDev = 'useTransition';2024      warnInvalidHookAccess();2025      updateHookTypesDev();2026      return updateTransition(config);2027    },2028  };2029  InvalidNestedHooksDispatcherOnRerenderInDEV = {2030    readContext<T>(2031      context: ReactContext<T>,2032      observedBits: void | number | boolean,2033    ): T {2034      warnInvalidContextAccess();2035      return readContext(context, observedBits);2036    },2037    useCallback<T>(callback: T, deps: Array<mixed> | void | null): T {2038      currentHookNameInDev = 'useCallback';2039      warnInvalidHookAccess();2040      updateHookTypesDev();2041      return updateCallback(callback, deps);2042    },2043    useContext<T>(2044      context: ReactContext<T>,2045      observedBits: void | number | boolean,2046    ): T {2047      currentHookNameInDev = 'useContext';2048      warnInvalidHookAccess();2049      updateHookTypesDev();2050      return readContext(context, observedBits);2051    },2052    useEffect(2053      create: () => (() => void) | void,2054      deps: Array<mixed> | void | null,2055    ): void {2056      currentHookNameInDev = 'useEffect';2057      warnInvalidHookAccess();2058      updateHookTypesDev();2059      return updateEffect(create, deps);2060    },2061    useImperativeHandle<T>(2062      ref: {|current: T | null|} | ((inst: T | null) => mixed) | null | void,2063      create: () => T,2064      deps: Array<mixed> | void | null,2065    ): void {2066      currentHookNameInDev = 'useImperativeHandle';2067      warnInvalidHookAccess();2068      updateHookTypesDev();2069      return updateImperativeHandle(ref, create, deps);2070    },2071    useLayoutEffect(2072      create: () => (() => void) | void,2073      deps: Array<mixed> | void | null,2074    ): void {2075      currentHookNameInDev = 'useLayoutEffect';2076      warnInvalidHookAccess();2077      updateHookTypesDev();2078      return updateLayoutEffect(create, deps);2079    },2080    useMemo<T>(create: () => T, deps: Array<mixed> | void | null): T {2081      currentHookNameInDev = 'useMemo';2082      warnInvalidHookAccess();2083      updateHookTypesDev();2084      const prevDispatcher = ReactCurrentDispatcher.current;2085      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2086      try {2087        return updateMemo(create, deps);2088      } finally {2089        ReactCurrentDispatcher.current = prevDispatcher;2090      }2091    },2092    useReducer<S, I, A>(2093      reducer: (S, A) => S,2094      initialArg: I,2095      init?: I => S,2096    ): [S, Dispatch<A>] {2097      currentHookNameInDev = 'useReducer';2098      warnInvalidHookAccess();2099      updateHookTypesDev();2100      const prevDispatcher = ReactCurrentDispatcher.current;2101      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2102      try {2103        return rerenderReducer(reducer, initialArg, init);2104      } finally {2105        ReactCurrentDispatcher.current = prevDispatcher;2106      }2107    },2108    useRef<T>(initialValue: T): {|current: T|} {2109      currentHookNameInDev = 'useRef';2110      warnInvalidHookAccess();2111      updateHookTypesDev();2112      return updateRef(initialValue);2113    },2114    useState<S>(2115      initialState: (() => S) | S,2116    ): [S, Dispatch<BasicStateAction<S>>] {2117      currentHookNameInDev = 'useState';2118      warnInvalidHookAccess();2119      updateHookTypesDev();2120      const prevDispatcher = ReactCurrentDispatcher.current;2121      ReactCurrentDispatcher.current = InvalidNestedHooksDispatcherOnUpdateInDEV;2122      try {2123        return rerenderState(initialState);2124      } finally {2125        ReactCurrentDispatcher.current = prevDispatcher;2126      }2127    },2128    useDebugValue<T>(value: T, formatterFn: ?(value: T) => mixed): void {2129      currentHookNameInDev = 'useDebugValue';2130      warnInvalidHookAccess();2131      updateHookTypesDev();2132      return updateDebugValue(value, formatterFn);2133    },2134    useResponder<E, C>(2135      responder: ReactEventResponder<E, C>,2136      props,2137    ): ReactEventResponderListener<E, C> {2138      currentHookNameInDev = 'useResponder';2139      warnInvalidHookAccess();2140      updateHookTypesDev();2141      return createDeprecatedResponderListener(responder, props);2142    },2143    useDeferredValue<T>(value: T, config: TimeoutConfig | void | null): T {2144      currentHookNameInDev = 'useDeferredValue';2145      warnInvalidHookAccess();2146      updateHookTypesDev();2147      return rerenderDeferredValue(value, config);2148    },2149    useTransition(2150      config: SuspenseConfig | void | null,2151    ): [(() => void) => void, boolean] {2152      currentHookNameInDev = 'useTransition';2153      warnInvalidHookAccess();2154      updateHookTypesDev();2155      return rerenderTransition(config);2156    },2157  };...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3    const browser = await chromium.launch();4    const context = await browser.newContext();5    const page = await context.newPage();6    await page.click('input[name="q"]');7    await page.keyboard.type('Hello World!');8    await page.keyboard.press('Enter');9    await page.waitForNavigation();10    await page.rerenderDeferredValue('Hello World!');11    await page.screenshot({ path: `example.png` });12    await browser.close();13})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.type('input[name="q"]', 'Playwright');6  await page.keyboard.press('Enter');7  await page.waitForSelector('text=Playwright');8  await page.click('text=Playwright');9  await page.waitForSelector('h1:has-text("Playwright")');10  await page.click('text=Docs');11  await page.waitForSelector('text=Introduction');12  await page.click('text=Introduction');13  await page.waitForSelector('text=What is Playwright?');14  await page.click('text=What is Playwright?');15  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');16  await page.click('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.');17  await page.waitForSelector('text=Installation');18  await page.click('text=Installation');19  await page.waitForSelector('text=Playwright can be installed via npm:');20  await page.click('text=Playwright can be installed via npm:');21  await page.waitForSelector('text=Playwright is bundled with all its browsers. To reduce npm install time, you can install Playwright without browsers.');22  await page.click('text=Playwright is bundled with all its browsers. To reduce npm install time, you can install Playwright without browsers.');23  await page.waitForSelector('text=Skip Browsers');24  await page.click('text=Skip Browsers');25  await page.waitForSelector('text=Playwright can be installed via npm:');26  await page.click('text=Playwright can be installed via npm:');27  await page.waitForSelector('text=Playwright is bundled with all its browsers. To reduce npm install time, you can install Playwright without browsers.');28  await page.click('text=Playwright is bundled with all its browsers. To reduce npm install time, you can install Playwright without browsers.');29  await page.waitForSelector('text=Skip Browsers');30  await page.click('text=Skip Browsers');31  await page.waitForSelector('text=Playwright can be installed via npm:');32  await page.click('text=Playwright can be installed via npm:');

Using AI Code Generation

1const { rerenderDeferredValue } = require('playwright/lib/server/dom.js');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.evaluate(() => {8    const deferredValue = document.querySelector('.navbar__inner .navbar__title').textContent;9    document.querySelector('.navbar__inner .navbar__title').textContent = 'Loading...';10    rerenderDeferredValue(deferredValue, 'Playwright');11  });12  await page.screenshot({ path: `test.png` });13  await browser.close();14})();

Using AI Code Generation

1const { rerenderDeferredValue } = require('playwright/lib/server/dom');2const { test, expect } = require('@playwright/test');3test('rerender deferred value', async ({ page }) => {4  await page.setContent('<div id="container"></div>');5  const container = page.locator('#container');6  const deferred = rerenderDeferredValue(container, () => 'Hello world');7  await container.waitForSelector(':text("Hello world")');8  rerenderDeferredValue(container, () => 'Hello world 2', deferred);9  await container.waitForSelector(':text("Hello world 2")');10});11  ✓ rerender deferred value (4s)12  1 passed (4s)

Using AI Code Generation

1const { chromium } = require('playwright');2const fs = require('fs');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const deferredValue = await page.evaluateHandle(() => {7    const script = document.createElement('script');8    script.textContent = 'window.deferredValue = 42';9    document.body.appendChild(script);10    return window.deferredValue;11  });12  fs.writeFileSync('deferredValue.txt', deferredValue.toString());13  await deferredValue.evaluateHandle((d) => d);14  fs.writeFileSync('deferredValue.txt', deferredValue.toString());15  await browser.close();16})();17page = await browser.newPage()18const { chromium } = require('playwright');19(async () => {20  const browser = await chromium.launch();21  const page = await browser.newPage();22  await browser.close();23})();

Using AI Code Generation

1const { rerenderDeferredValue } = require('@playwright/test');2rerenderDeferredValue('test', { delay: 2000 });3rerenderDeferredValue('test', { delay: 2000, timeout: 1000 });4rerenderDeferredValue('test', { timeout: 1000 });5rerenderDeferredValue('test', { timeout: 1000, delay: 2000 });6rerenderDeferredValue('test', { timeout: 1000, delay: 2000, name: 'test' });7rerenderDeferredValue('test', { timeout: 1000, name: 'test' });8rerenderDeferredValue('test', { delay: 2000, name: 'test' });9rerenderDeferredValue('test', { name: 'test' });10### rerenderDeferredValue(value, options)

Using AI Code Generation

1const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');2const deferredValue = rerenderDeferredValue('foo');3const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');4const deferredValue = rerenderDeferredValue('foo');5const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');6const deferredValue = rerenderDeferredValue('foo');7const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');8const deferredValue = rerenderDeferredValue('foo');9const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');10const deferredValue = rerenderDeferredValue('foo');11const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');12const deferredValue = rerenderDeferredValue('foo');13const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');14const deferredValue = rerenderDeferredValue('foo');15const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');16const deferredValue = rerenderDeferredValue('foo');17const { rerenderDeferredValue } = require('playwright/lib/internal/inspectorInstrumentation');18const deferredValue = rerenderDeferredValue('foo');19const { rerenderDeferredValue } = require('play

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:

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.
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.
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.
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.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
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.
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.
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.
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.
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.
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.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.