Hi, sorry for replying late, I've seen this before (I guess I didn't try it), but I'll try to come up with something in the upcoming days ;)
-- edit
In the meantime (and actually all the time) you should have explicit functions modifying such values. Take a look here: codesandbox.io/s/busy-field-2yf01
When you do Formatter.timesRun = 10; you don't assign this value to the variable, but to the property of Formatter. You don't have directly access to variables in module pattern. Look here.
I'm still confused, why is the property different from the variable? Where is it stored if the variable is not used and why does incrementing the property does not increment the variable?
I'm only learning, so take this all with a grain of salt, but I was confused here to and this is what helped increment my understand of this error forward: The variable itself isn't returned because "return { timesRun }" is actually object property: value shorthand for "return { timesRun: timesRun }", so it is only creating the property to be stored in Formatter and setting the initial value, which is only set the first time Formatter is created. If you want to get a counter accessible from outside the function you can either:
a) create a function that gets and returns the current private value, because a function declared within the same scope of the private value will retain access to it when called from outside
b) make the property Formatter.timesRun a getter for timesRun, also declared within the same scope, or
c) use the property itself as the counter within the function.
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Any ideas? Im still struggling to understand it.
Thanks
Hi, sorry for replying late, I've seen this before (I guess I didn't try it), but I'll try to come up with something in the upcoming days ;)
-- edit
In the meantime (and actually all the time) you should have explicit functions modifying such values. Take a look here: codesandbox.io/s/busy-field-2yf01
I actually wanted to understand why it's like this.
Anyway thanks for the reply:)
When you do
Formatter.timesRun = 10;you don't assign this value to thevariable, but to thepropertyof Formatter. You don't have directly access to variables in module pattern. Look here.I hope this is more clear now :)
Hey, I've totally forgot about this. Well, this is what you are getting when you are old :D
Yeah it happens:)
Thanks, it's clear now:)
I'm still confused, why is the property different from the variable? Where is it stored if the variable is not used and why does incrementing the property does not increment the variable?
I'm only learning, so take this all with a grain of salt, but I was confused here to and this is what helped increment my understand of this error forward: The variable itself isn't returned because "return { timesRun }" is actually object property: value shorthand for "return { timesRun: timesRun }", so it is only creating the property to be stored in Formatter and setting the initial value, which is only set the first time Formatter is created. If you want to get a counter accessible from outside the function you can either:
a) create a function that gets and returns the current private value, because a function declared within the same scope of the private value will retain access to it when called from outside
b) make the property Formatter.timesRun a getter for timesRun, also declared within the same scope, or
c) use the property itself as the counter within the function.