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facebookreact
read late state value in event handler
Question
I have this question I could have ask on stack overflow but I think it be more suitable for people from react team or more experienced user so I will give it a try to ask it here imagine I have event handler below where I want to read late state value and do something with it however not do a new sets...
facebookreact
error could not find node with i d 16070 in commit tree
Bug
describe what you be do when the bug occur 1 open profiler 2 record 3 switch to waterfall please do not remove the text below this line devtool version 4 0 6 a39d9c3 call stack at chrome extension ...
facebookreact
concurrent mode app stop update rendering on inactive tab
Bug
do you want to request a feature or report a bug bug what be the current behavior 1 when concurrent mode be enable 2 and the chrome tab be inactive 3 and a new render happen inside app 4 the app win t render this update until I open the chrome tab this only happen on con...
facebookreact
add third parameter to usestate to get current value
Question
do you want to request a feature or report a bug feature what be the current behavior if you set a callback on something e g inside useeffect your callback capture the current value of that state and can never update it to know the most up to date value you currently have to call...
facebookreact
component sometimes fire event handler twice
Bug
do you want to request a feature or report a bug I want to report a bug what be the current behavior event handler on element be fire twice when hover from one element onto the next if the current behavior be a bug please provide the step to reproduce and if possible a minimal demo...
facebookreact
devtool component tree navigation
Question
do you want to request a feature or report a bug feature what be the current behavior where be no way to collapse expand component tree or it subtree if I pick element with select element button I get all the tree expand not the only one subtree where select element come from ...
facebookreact
window print crash if a print event listener cause a rerender chrome dev mode only
Bug
do you want to request a feature or report a bug report a bug what be the current behavior programmatically call window print can cause react to report strange error before crash under certain circumstance the trigger seem to be a call to print that result in a react state change...
facebookreact
error could not find node with i d 44300 in commit tree
Bug
describe what you be do when the bug occur 1 read the flamegraph of my react app 2 click on one of the option in the render at list of the graph image 3 this cause the below error to appear in react devtool please do not remove the text below ...
facebookreact
devtool fail to execute postmessage on window could not be clone
Bug
do you want to request a feature or report a bug report a bug what be the current behavior new dev tool be work fine but I have a particular component that when it mount the dev tool no long can inspect anything about it when I select it the right hand side just say loading ...
facebookreact
troubleshooting instruction link update
Bug
do you want to request a feature or report a bug bug what be the current behavior link to troubleshooting instruction in the devtool extension disabled popup be outdate it be point here the react tab do not show up which be redirect here if the current behavior be a bug pl...
facebookreact
compile error react refresh babel 0 4 0
Bug
use react refresh babel 0 4 0 be give I this error on a large number of file error in orbit app src hook usestore ts module build fail from node modules babel loader lib index js typeerror can not read property 0 of undefined at function get user nw project motion orbit node...
facebookreact
devtool uninitialized context be display as an empty object
Enhancement
when inspect a component that be miss context it be display as an empty object meanwhile if the state be not initialize it be not display at all for no prop it be display the string none in my humble opinion it be mislead that no context be display as an empty object
facebookreact
react devtool downgrade not work for chrome
Question
do you want to request a feature or report a bug bug what be the current behavior the follow command fail yarn run test chrome error message yarn run v1 17 3 node shell chrome test in...
facebookreact
react devtool 4 be break for react 0 14
Duplicate
there be already an issue open for this however it have be lock I m only open a new issue to add some additional information as the current outcome isn t ideal I work for a very large sport apparel company out of baltimore with various application of vary age some of our new application be run react la...
facebookreact
there be no render by section in my extension
Question
do you want to request a feature or report a bug what be the current behavior if the current behavior be a bug please provide the step to reproduce and if possible a minimal demo of the problem your bug will get fix much fast if we can run your code and it doesn t have dependency other t...
facebookreact
dev tool chrome component console error get output from backend js
Question
do you want to request a feature or report a bug bug what be the current behavior when I get a component stack trace the log trace come from the dev tool extension image what be the expect behavior I use that trace usually to click and set a debugger so I can debug ...
facebookreact
react devtool always launch in chrome
Question
hi I have the extension instal on both chrome and firefox my default browser be firefox each time I try to debug a react native app remotely it launch chrome to use the debugger there how do I change the default browser for devtool to firefox
facebookreact
inline settimeout within the render cause a random number to appear on screen
Question
report a bug the current behaviour be that settimeout inside a render method be produce a random number for no explain reason the number persist after the settimeout have go off and the settimeout still produce the desire effect for example if it be to log something the console it would still do th...
facebookreact
error could not find node with i d 3742 in commit tree
Bug
describe what you be do when the bug occur 1 2 3 please do not remove the text below this line devtool version 4 0 6 a39d9c3 call stack at chrome extension fmkadmapgofadopljbjfkapdkoienihi build...
facebookreact
limitation of context api compare to legacy implementation
Question
this isn t technically a bug but a limitation of the new context api implementation and also a question on whether this should be fix by react or if I should implement a custom in house solution instead I have a fairly edgy use case with a component library that provide several parent child component ...
facebookreact
can t use instance value without ref
Question
I be experiment with migrate some of my class component to hook my use case be explain in detail here but I can quickly explain the idea I have a class component which expose a ready promise since produce a element I guess I can use the useimperativehandle hook to attach ready ...
facebookreact
chrome extension background page and useeffect not trigger
Bug
do you want to request a feature or report a bug bug what be the current behavior when use useeffect from a background page in a chrome extension the body of the effect be not trigger if the current behavior be a bug please provide the step to reproduce and if possible a minim...
facebookreact
error getcommittree unable to reconstruct tree for root 1 and commit 38
Bug
describe what you be do when the bug occur 1 start profile app record and reload page 2 go through profiler commit 3 crush please do not remove the text below this line devtool version 4 0 6 a39d9c3 ...
facebookreact
error can not modify filter preference while profile
Bug
describe what you be do when the bug occur 1 2 3 please do not remove the text below this line devtool version 4 0 6 a39d9c3 call stack at n set chrome extension fmkadmapgofadopljbjfkapdkoieni...
facebookreact
error message when call work commit in commit phase
Question
this be I just toy around with unstable apis I don t know what these can be use for just try to make sense of they from their name do you want to request a feature or report a bug error message of batch commit be confuse what be the current behavior I be experiment with the ...
facebookreact
how should we set up app for hmr now that fast refresh replace react hot loader
Question
dan abramov mention that devtool v4 will be make react hot loader obsolete I I have this hook require react reconciler hostconfig injectintodevtool opt but hmr have always work completely without it be this now a new requirement dan yes that s what the ne...
facebookreact
new plugin not work after change any prop in debugger tool
Bug
do you want to request a feature or report a bug have an issue what be the current behavior not able to see any rendering after change any prop in debug tool and also get below issue image uncaught typeerror can not read property reactinternalinstance of undefined at ...
facebookreact
unable to switch a variable with number type to a string in devtool
Duplicate
do you want to request a feature or report a bug bug what be the current behavior in the devtool component tab if the current value of a state member be a number there be no way to set it to an string you can not type quote if it be of type number and leave it empty do not rese...
facebookreact
usestate s setstate hang when call in close window
Bug
do you want to request a feature or report a bug bug what be the current behavior if usestate s setstate be call in a closed window it hang the browser at least chrome I agree that this seem like a weird issue but we do this all of the time in our plugin we ve build for an applica...
facebookreact
react hook exhaustive dep miss warning when pass a function
Bug
do you want to request a feature or report a bug arguably a bug in eslint plugin react hook what be the current behavior the exhaustive dep rule do not catch the follow case js const foocontext react createcontext meanwhile somewhere deep in the compo...
facebookreact
devtool v4 breadcrumb be remove
Question
request for feature the old devtool use to show a breadcrumb component hierarchy at the bottom it be really useful to navigate the parent component I couldn t find it on the new devtool do we remove it any reason to remove it will we add it back
facebookreact
error getcommittree unable to reconstruct tree for root 1 and commit 1
Bug
please include repro instruction and example code please do not remove the text below this line devtool version 4 0 5 5441b09 call stack at d chrome extension fmkadmapgofadopljbjfkapdkoienihi build main js...
facebookreact
firefox browser console open randomly blank after instal react dev tool
Bug
hi firefox v68 0 2 react dev tool late version after disable react dev tool same tab work as expect p s this happen mostly on non react tab I just start use react dev tool and I don t know about prev version of firefox or react dev tool btw
facebookreact
devtool typeerror can not read property 0 of null
Bug
do you want to request a feature or report a bug bug what be the current behavior when use the late dev tool v4 0 5 on my project when I inspect react redux element that use connect devtool crash I can t map from my crash to the actual source but the code be react devtool build ba...
facebookreact
version 4 remove file location
Duplicate
this technically be a feature a miss one from version 3 on version 3 you could visualize file location which be key in find bug I and my team be currently struggle due to this remove feature on version 4 you should fix this asap as it cost a lot of time now
facebookreact
react devtool not persist setting
Bug
do you want to request a feature or report a bug bug what be the current behavior devtool extension do not persist state for example the welcome dialog display upon every refresh if the current behavior be a bug please provide the step to reproduce and if possible a minima...
facebookreact
error could not find node with i d 339 in commit tree
Bug
please include repro instruction and example code please do not remove the text below this line devtool version 4 0 5 5441b09 call stack at chrome extension fmkadmapgofadopljbjfkapdkoienihi build main js 11 ...
facebookreact
devtool scrollbar hide flamegraph
Bug
do you want to request a feature or report a bug bug what be the current behavior scrollbar be cover flamegraph if the current behavior be a bug please provide the step to reproduce and if possible a minimal demo of the problem your bug will get fix much fast if we can run your code an...
facebookreact
show property type of value string int etc on state prop
Duplicate
feature what be the current behavior on the new developer tool you be unable to see what property type the value you use to be able to see if the value be a string or int because of the quotation mark for example i d 1 string or i d 1 int both string and int be show without quote ...
facebookreact
error could not find commit datum for root 1180 and commit 2
Bug
please include repro instruction and example code please do not remove the text below this line devtool version 4 0 5 5441b09 call stack at n value chrome extension fmkadmapgofadopljbjfkapdkoienihi build m...
facebookreact
error getcommittree unable to reconstruct tree for root 1 and commit 4
Bug
please include repro instruction and example code please do not remove the text below this line devtool version 4 0 5 5441b09 call stack at d chrome extension fmkadmapgofadopljbjfkapdkoienihi build main js...
facebookreact
devtool profiler save profile do nothing on firefox
Bug
hi long time user first time issuer I think I find a bug with the profiler component when I click on the save profile button at the top nothing happen and there appear to be no new file in my download folder I think it might be silently fail and that s why I be not get any response have anyone el...
facebookreact
custom hook and strange warning
Enhancement
I ve a question about a behaviour that appear strange to I I be write a custom hook js const usetoggle initialstate const istrue setstate usestate initialstate false const false setstate false const true ...
facebookreact
hook component can not be click in react dev tool if you want it work well
Question
issue type bug issue description look at the code blow it be very very very simple jsx import react usestate from react export default function democounter const fnwrapper usestate fn const count setcount usestate 0 fnwrapper proto se...
facebookreact
error could not find commit datum for root 26047 and commit 5
Duplicate
please include repro instruction and example code please do not remove the text below this line devtool version 4 0 5 5441b09 call stack at n value chrome extension fmkadmapgofadopljbjfkapdkoienihi build m...
facebookreact
error could not find commit datum for root 1896 and commit 16
Bug
please include repro instruction and example code please do not remove the text below this line devtool version 4 0 4 3c6a219 call stack at n value chrome extension fmkadmapgofadopljbjfkapdkoienihi build m...
facebookreact
get maximum call stack exceed on backend js when render many element
Bug
detail use version 4 0 2 8 15 2019 I be get a maximum call stack size exceed when my app start up while my app use this be a little different I have replicate the issue use a fresh create react app I will include the app js code below step to reproduce 1 create a new app use version 3 0 1 of c...
facebookreact
wrong tab suggestion label in devtool
Bug
the popup that appear when you click on react icon still say react tab will appear to the right but the tab label have change
facebookreact
devtool show component file path
Enhancement
do you want to request a feature or report a bug feature what be the current behavior the new devtool doesn t show the component file path as do the v3 version what be the expect behavior it would be great to show the component file path it s a really important feature whe...
facebookreact
devtool fix or silence can not find fiber with i d warning when hover
Enhancement
sometimes I see can not find fiber with i d when hover over the tree they be sporadic I ll need to dig into why they happen but we also need to look at our usage of warning to make sure they re either actionable or gate by dev debug originally report by gaearon via
facebookreact
devtool commit picker should register leave the picker at a side as set a terminal value
Enhancement
seem non ideal typically range control handle this case screen recording 2019 04 12 at 07 54 pm originally report by gaearon via
facebookreact
devtool too deep tree can cause a stack overflow
Enhancement
with 10 000 item nesting in deeplynestedcomponent case not super realistic but we could fix this by avoid recursion in the traversal originally report by gaearon via
facebookreact
devtool suspense debugger
Enhancement
mvp x initial prototype with a tree and toggle x tree should reflect real suspense state make it less fragile x do finddomnode issue affect this ensure expensive tree construction doesn t run unless you re on the tab improve navigation so the user doesn t get los...
facebookreact
devtool element height be clip by console
Bug
clip bug this one be kinda tricky to reproduce but basically the step be 1 click the inspect element and hover any component 2 open the console press esc 3 move mouse back to devtool and click again the inspect button to stop inspection 4 close the console with esc ps sorry for...
facebookreact
devtool overlay stay after devtool be close
Bug
1 hover over a node so you see its bounding box over the page 2 without move your mouse press cmd opt j to hide the devtool result the overlay stay even if you move your mouse or reopen react devtool expect it disappear originally report by sophiebit via
facebookreact
devtool should be able to add a prop that be not yet set
Enhancement
right now I can inspect a component and edit its prop but I could not find a way to add a new prop that wasn t already set originally report by steveluscher via
facebookreact
devtool improve prop state value editing interface
Enhancement
follow up to a discussion thread on 294 and a messenger chat with gaearon the current ui for edit prop state hook value have a couple of shortcoming string numeric value be sometimes of an unclear type devtool use the correct but this be subtle show e g quotation mark around string could be mor...
facebookreact
react devtool welcome screen keep show up
Bug
do you want to request a feature or report a bug bug what be the current behavior welcome to the new react devtool message block the devtool panel every time the it be open if the current behavior be a bug please provide the step to reproduce and if possible a minimal demo of the ...
facebookreact
name hook mvp support
Enhancement
note this issue be outdate the current thinking be that the alternative load source code with source map and parse for name be probably the good course of action the problem one common piece of feedback about devtool hook integration be that hook have no name and can be confuse ...
facebookreact
devtool switch between render at render use keyboard arrow key
Enhancement
my favorite devtool feature why do this render have a remain problem it s too hard to flip through a long list of render in the render at list to find an interesting render I know I can use the mouse or tab and then space to move to the next render but that s painful if there be 50 render to work thr...
facebookreact
devtool keyboard arrow key navigation for the flamegraph view
Enhancement
it would be good to have keyboard navigation on the flamegraph view to make it easy and fast to scoot around to different component in the same render give that flamegraph be implement in svg and give the complexity of navigate through an uneven grid I suspect keyboard access be probably beyond the scope of nea...
facebookreact
devtool trigger error boundary from devtool
Enhancement
it would be useful to force component into an error state in order to test error boundary similar to how the suspense toggle work originally report via
facebookreact
devtool improve hoc search ux
Enhancement
build on top of 360 we could probably improve the search ux in a couple of way visually indicate when the match be because of a hoc name e g match build in hoc type e g search I should match react memo hocs search f should match react forwardref etc original...
facebookreact
devtool don t show context for class without either contexttype or contexttype
Enhancement
don t show context for class without either contexttype or contexttype for class with contexttype change the label to legacy context instead originally report by gaearon via
facebookreact
devtool tooltip appear to be time new roman in firefox
Bug
window firefox image look ok in chrome image originally report by daniel15 via
facebookreact
devtool fully disable 0 14 support
Enhancement
it s confuse that 0 14 or early be in half work state where it display a tree but incorrectly we should detect it and fully disable if it doesn t work or fix it if we go the route of disable support 1 devtool should show a warning message that clearly indicate the version of react isn t support this...
facebookreact
error could not find node with i d 6002 in commit tree
Bug
please include repro instruction and example code simply click on profiler and baam please do not remove the text below this line devtool version 4 0 3 95ffd3c call stack at chrome extension fmkadmapgo...
facebookreact
react devtool styling override global style
Bug
do you want to request a feature or report a bug bug what be the current behavior this be a very specific case there be some style leak from react devtool if you use it in your own application directly specifically these line l174 l178 if the current behavior be a bug please...
facebookreact
react devtool chrome browser extension option select box be break
Bug
do you want to request a feature or report a bug bug what be the current behavior the select dropdowns don t function correctly and be currently unreadable if the current behavior be a bug please provide the step to reproduce and if possible a minimal demo of the problem your bug wi...
facebookreact
error could not find node with i d 266 in commit tree
Bug
please include repro instruction and example code I get this error when I click rank please do not remove the text below this line devtool version 4 0 4 3c6a219 call stack at chrome extension fmkadma...
facebookreact
error could not find commit datum for root 1 and commit null
Bug
repro step 1 profile 2 select a component from the flame graph important 3 click setting 4 toggle hide commit below ms in my case it s 100ms demo repro 2 please do not remove the text below this line ...
facebookreact
error could not find commit datum for root 34 and commit 21
Bug
I try to select a different component from the dropdown please do not remove the text below this line devtool version 4 0 2 2bcc6c6 call stack at n value chrome extension fmkadmapgofadopljbjfkapdkoienihi b...
facebookreact
devtool v4 standalone script at localhost 8097 fail to load
Bug
do you want to request a feature or report a bug report a bug what be the current behavior the standalone devtool v4 script do not load when we navigate to if the current behavior be a bug please provide the step to reproduce and if possible a minimal demo of the problem your ...
facebookreact
devtool v4 error startprofiling not support by this renderer
Bug
do you want to request a feature or report a bug bug what be the current behavior start a profile in react devtool v4 result in a console error and no change from the extension uncaught error startprofiling not support by this renderer at object startprofile backend js 9 ...
facebookreact
error can not read property iscollapse of undefined
Bug
please do not remove the text below this line devtool version 4 0 2 2bcc6c6 call stack at n value chrome extension fmkadmapgofadopljbjfkapdkoienihi build main js 1 29005 at n value chrome extension ...
facebookreact
why do devtool chrome extension need access to history
Question
I wake up today and the devtool extension for chrome ask for additional permission more specifically access to history I couldn t find any explanation or reference in the changelog so I open this issue
facebookreact
devtool react devtool tutorial now sh edit prop and state have a bad state
Bug
I don t know who s make the bug so report here I ll move to correct repo if someone help I debug it do you want to request a feature or report a bug bug what be the current behavior please watch below screencast 1 goto 2 change the last listitem prop to iscomplete from fals...
facebookreact
be that possible to get legacy version of react debugger
Question
bug highlight element be no available in ver 4 react debugger feature new version of react develop be good bug sometimes I need legacy version of develop tool I jest need both of they can you provide both of they
facebookreact
error could not find commit datum for root 1 and commit null
Bug
please do not remove the text below this line devtool version 4 0 2 2bcc6c6 call stack at n value chrome extension fmkadmapgofadopljbjfkapdkoienihi build main js 11 16552 at pl chrome extension fm...
facebookreact
error could not find commit datum for root 44 and commit 4
Bug
please do not remove the text below this line devtool version 4 0 2 2bcc6c6 call stack at n value chrome extension fmkadmapgofadopljbjfkapdkoienihi build main js 11 16552 at m chrome extension fmk...
facebookreact
dev tool do not respect zoom level on firefox osx
Bug
currently when use the react dev tool on firefox osx I be unable to change the current zoom level the default zoom level be quite small so even with good eyesight I struggle to read it on a high resolution display it be possible to adjust the zoom level of the firefox dev tool as a whole by focus the panel...
facebookreact
react profiler bug error getcommittree unable to reconstruct tree for root 1 and commit 1
Bug
please do not remove the text below this line devtool version 4 0 2 2bcc6c6 call stack at d chrome extension fmkadmapgofadopljbjfkapdkoienihi build main js 11 5744 at e getcommittree chrome extension...
facebookreact
useeffect fail to fire when host in display none iframe
Bug
do you want to request a feature or report a bug bug start at react version 16 9 0 what be the current behavior react version 16 8 6 if a react app be host in an iframe and that iframe be in a display none style the useeffect hook would trigger if the current behavior be...
facebookreact
add priority for all event type
Bug
currently the simple event plugin define a priority for the event but not all event go through the simpleeventplugin that s just one of several eventplugin the remain one now get the wrong priority associate with they e g I think all of these should be discrete change compositionend compositionstar...
facebookreact
datum reactroot disappear use react router dom for ssr
null
I m encounter a very strange behaviour which I be not expect such bizarre issue when set up a skeleton of react base ssr application I m wonder why this datum reactroot attribute just automatically vanish once react router dom be apply on here be an example I make that have minimum impact of externa...
facebookreact
bug react dom server be mutate css variable name
Bug
do you want to request a feature or report a bug bug current behaviour reactdomserver rendertostre be mutate css variable name that be inline and in the camelcase format into kebab case expect behaviour reactdomserver rendertostre do not mutate the css var...
facebookreact
eslint plugin react hook crash when reference argument
Bug
do you want to request a feature or report a bug report a bug what be the current behavior referencing argument from inside an arrow function I e the argument from the near non arrow function cause a crash in the eslint plugin typeerror can not read property typ...
facebookreact
use script in react createelement s type parameter allow you to execute javascript code in the child parameter
Bug
do you want to request a feature or report a bug report a bug what be the current behavior it s possible to execute javascript code write in the child parameter of the react createelement function if the type parameter consist of a string with mixed casing like so javascript react c...
facebookreact
flare onpressend not be call on keyup for enter key
Bug
trueadm necolas use a recent build from master I notice that onpressend on the press component be not be call on keyup when press with enter here s an example that reproduce the issue here s the source for this example jsx function application const ispresse setpre...
facebookreact
suspense concurrent mode immediately show fallback when update from onchange
Question
do you want to request a feature or report a bug report a bug or at least try to understand some spooky behavior what be the current behavior I have a simple component which read from a toy suspense enable cache the dummy cache simply wait 100ms before respond to anything the cach...
facebookreact
usecallback doesn t memoize callback in shallow renderer
Bug
do you want to request a feature or report a bug bug what be the current behavior in shallow renderer the return callback from usecallback be not the same one between two rerendere even though the dependency be the same but usememo will work as expect for example the fol...
facebookreact
infinite lint error of react hook exhaustive dep
Question
first attempt be javascript const setfield args const newform object assign form for let I in args if args hasownproperty I newform I args I setform newform useeffect ...
facebookreact
eslint plugin react hook can t call hook on component return from function
Question
wrap a component in a function return the component tl dr javascript export function home return function const item setitem usestate return nothing const root document getelementbyid root reactdom render react createelement home ...
facebookreact
strict mode exclude
null
do you want to request a feature or report a bug feature what be the current behavior react strict mode allow we to wrap component we d like to get check this work great but can become annoying when use 3rd party dependency we can t control the current solution be to wrap small compon...
facebookreact
understanding act behaviour
Question
I have be try to use act for the first time and have some issue and so I m wonder if my expectation be wrong about what it be suppose to do or if I be do it wrong what be the current behavior the only way I can observe the result of state change I initiate be by use a timeout paste t...
facebookreact
useeffect for synchronize state and prop
Question
hi I have a recur scenario that I ve be struggle with since the good old day of componentwillreceiveprop and now I ve pretty much run into the same issue with hook so I be hope I could get some guidance as to what the idiomatic way of solve this and similar case in react be problem description star...
facebookreact
license for source code example tutorial on
Question
what be the license for the tutorial and example on
facebookreact
suspense commit pende tree in concurrent mode under heavy load
Bug
seem similar to minimal repro case to reproduce open in new tab let first item s detail to load and then hold press down you ll likely not always see detail tab flicker and later crash warn in console screen recording 2019 04 26 at 04 29 pm
facebookreact
eslint assignment like foo bar baz x should warn about foo bar instead
Enhancement
js let foo useeffect foo bar baz 43 this ask you to include foo bar baz into dep but this doesn t make sense as you write to it instead it should ask to include foo bar into array if foo be a newly create object in render scope then we might ...
facebookreact
static getderivedstatefromprop do not work same as componentwillreceiveprop
Question
do you want to request a feature or report a bug bug what be the current behavior static getderivedstatefromprop be not a replacement for componentwillreceiveprop if the current behavior be a bug please provide the step to reproduce and if possible a minimal demo of the pro...