pomodoro-clock | A pomodoro clock for Pomodoro Technique Timer | Frontend Framework library
kandi X-RAY | pomodoro-clock Summary
kandi X-RAY | pomodoro-clock Summary
A pomodoro clock for Pomodoro Technique Timer.
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Trending Discussions on pomodoro-clock
QUESTION
I am making a Pomodoro Clock project from freeCodeCamp using React.js. I want to change the state conditionally based on the current state. Do I need to use this.state
or the state
argument from the updater
function in setState
?
Here is my code:
Using state
argument:
ANSWER
Answered 2020-Jul-05 at 04:28Anytime you want to make changes to the state that depend on the previous state you should pass a function that receives the previous state as a parameter. If you use this.state
instead, you might get some unexpected behaviour because the setState
method is asynchronous, so you can't actually guarantee that the values stored in this.state
will be the ones from the previous state when the state is actually updated
tldr; Use the first option you mentioned
QUESTION
I am trying to call useQuery() function, innate to react-admin, inside a custom component, the preceding error appears. I am totally confused I and I can't figure out what to do. The error is clear enough I just don't know how to tackle it. I tried to visit the website in the error message and followed the instructions but I still couldn't manage to make it out.
...ANSWER
Answered 2020-May-31 at 16:54useQuery
is meant to be used in functional component and not a function inside class component, which is why you get that error. For a class component you need to use Query
component.
Check the legacy component doc
in react-admin Querying API section
QUESTION
I am in the middle of building a Pomodoro Timer, the counter should start at 25 minutes decrementing until 0, then run a 5-minute decrementing timer. Following the timer and break state should be reset ready to run again, so far so good.
However, I am having an issue with resetting the time whilst it is running on a button click. I have a function resetTimer
which is currently being used to reinitialise the timer and break count at the end of each cycle, but if clicked whilst either timer or break is running (counting down to 0), then resetTimer
does indeed run for a second but then the timer carries on as it did before the button firing the event.
I have tried calling resetTimer
and return
if a condition resetClicked === true
which calls the function and it runs briefly but then carries on with the original timer.
I've also tried setting an initialising function which checks if resetClicked === true
before calling the start()
function and then calling this again in resetTimer
but didn't work either.
Code
...ANSWER
Answered 2020-Mar-18 at 20:03Hi your problem was with the variable used to store the intervals
you should put it outside the class
let countdown;
export default function App() {.....
.....
see code here Reset button works
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