docs: account for this context #28720
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liamdebeasi
requested review from
averyjohnston,
sean-perkins and
a team
as code owners
thetaPC
reviewed
Dec 18, 2023
| @@ -341,6 +341,10 @@ export class Datetime implements ComponentInterface { | |||
| * dates are selected. Only used if there are 0 or more than 1 | |||
| * selected (i.e. unused for exactly 1). By default, the header | |||
| * text is set to "numberOfDates days". | |||
| * | |||
| * Developers who wish to access "this" inside of the function | |||
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| * Developers who wish to access "this" inside of the function | |
| * Angular developers who wish to access "this" inside of the function |
Should it specify the framework? My concern is that other framework users might get confused with the comment.
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I question if this is the best way to document this tip, for a few reasons:
- It creates a lot of duplicate text, which is annoying to maintain.
- I can see us easily forgetting to add the same tip to any future function props.
- It seems to be Angular-specific -- I was unable to access the right
thisin React (using an arrow function) or Vue (using.bind(this)). If it does actually apply to React or Vue, but my example is just subtly wrong, that only speaks to the need for example code somewhere.
Maybe we could put it in Development Tips instead? Or a page in the Angular-specific docs if it really is only relevant to Angular? I know that's not as discoverable, but my understanding is that this isn't an Ionic-specific issue, so I'm unsure if we need to give it much priority in the docs.
averyjohnston
approved these changes
Dec 19, 2023
Co-authored-by: Amanda Johnston <[email protected]>
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Issue number: N/A
What is the current behavior?
In #28694 there was some confusion around how to access
thisinside of a callback function passed to a property on Ionic components. The root issue was due to how thethiscontext is determined with developers being responsible for setting the appropriatethiscontext.What is the new behavior?
Does this introduce a breaking change?
Other information
Note: The link in the docs will not work until ionic-team/ionic-docs#3333 is merged.