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Fix minor grammatical errors

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Correct minor grammatical mistakes in the `why_owl.md` file
This commit is contained in:
Stephen Mugisha
2020-08-27 13:22:40 +03:00
committed by Simon Genin
parent 323cb61d2c
commit c8a27aa1a3
1 changed files with 12 additions and 12 deletions
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doc/miscellaneous/why_owl.md
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@@ -61,14 +61,14 @@ because a lot of the state is hidden in their internals.
React or Vue have a huge community, and a lot of effort have been made into their React or Vue have a huge community, and a lot of effort have been made into their
tooling. This is wonderful, but at the same time, a pretty big issue for Odoo: tooling. This is wonderful, but at the same time, a pretty big issue for Odoo:
since the assets are totally dynamic (and could change whenever the user install since the assets are totally dynamic (and could change whenever the user installs
or remove an addon), we need to have all that kind of tooling on the production or removes an addon), we need to have all that kind of tooling on the production
servers. This is certainly not ideal. servers. This is certainly not ideal.
Also, this makes it very complicated to setup Vue or React tools: Odoo code is Also, this makes it very complicated to setup Vue or React tools: Odoo code is
not a simple file that import other files. It changes all the time, assets not a simple file that import other files. It changes all the time, assets
are bundled differently in different contexts. This is the reason why Odoo has are bundled differently in different contexts. This is the reason why Odoo has
its own module system, which are resolve at runtime, by the browser. The its own module system, which are resolved at runtime, by the browser. The
dynamic nature of Odoo means that we often need to delay work as late as possible dynamic nature of Odoo means that we often need to delay work as late as possible
(in other word, we want a JIT user interface!) (in other word, we want a JIT user interface!)
@@ -78,12 +78,12 @@ deploy. Using React without JSX, or Vue without vue file is not very appealing.
At the same time, Owl is designed to solve this issue: it compiles templates At the same time, Owl is designed to solve this issue: it compiles templates
by the browser, it doesn't need much code for that, since we use the XML parser by the browser, it doesn't need much code for that, since we use the XML parser
built into each browser. Owl works with or without any additional tooling. It built into each browser. Owl works with or without any additional tooling. It
can use template strings to write single file component, and is easy to integrate can use template strings to write single file components, and is easy to integrate
in any html page, with a simple `<script>` tag. in any html page, with a simple `<script>` tag.
## Template based ## Template based
Odoo stores template as XML document in a database. This is very powerful, since Odoo stores templates as XML documents in a database. This is very powerful, since
this allow the use of xpaths to customize other templates. This is a very this allow the use of xpaths to customize other templates. This is a very
important feature of odoo, and one of the key to Odoo modularity. important feature of odoo, and one of the key to Odoo modularity.
@@ -104,12 +104,12 @@ awkward, and very confusing.
## Developer Experience ## Developer Experience
This brings us to the following point: developer experience. We see this choice This brings us to the following point: developer experience. We see this choice
as an investment for the future, and we want to make onboarding developer as as an investment for the future, and we want to make onboarding developers as
easy as possible. easy as possible.
While many javascript professionals clearly think that react/vue is not difficult While many javascript professionals clearly think that react/vue is not difficult
(which is true to some extent), it is alsy true that many non js specialists are (which is true to some extent), it is alsy true that many non js specialists are
overwhelmed with the frontend world: functional component, hooks, and many other overwhelmed with the frontend world: functional components, hooks, and many other
fancy words. Also, what is available in the compilation context may be difficult, fancy words. Also, what is available in the compilation context may be difficult,
there is a lot of black magic going on in pretty much every framework. Vue there is a lot of black magic going on in pretty much every framework. Vue
somehow join various namespaces into one, under the hood, and add various internal somehow join various namespaces into one, under the hood, and add various internal
@@ -135,7 +135,7 @@ needs: Odoo will fetch templates from the database and need to compile them only
at the last possible moment, so we can apply all necessary xpaths. at the last possible moment, so we can apply all necessary xpaths.
Even more: Odoo needs to be able to generate (and compile) templates at runtime. Even more: Odoo needs to be able to generate (and compile) templates at runtime.
Currently, Odoo form views interpret a xml description. But the form view code Currently, Odoo form views interpret an xml description. But the form view code
then needs to do a lot of complicated operations. With Owl, we will be able to then needs to do a lot of complicated operations. With Owl, we will be able to
transform a view description into a QWeb template, then compile that and use it transform a view description into a QWeb template, then compile that and use it
immediately. immediately.
@@ -147,16 +147,16 @@ For example, the reactivity system. We like the way Vue did it, but it has a
flaw: it is not really optional. There is actually a way to opt out of the reactivity flaw: it is not really optional. There is actually a way to opt out of the reactivity
system by freezing the state, but then, it is freezed. system by freezing the state, but then, it is freezed.
And there certainly are situations where we need a state, which is not readonly, And there certainly are situations where we need a state, which is not read-only,
and not observed. For example, imagine a spreadsheet component. It may have a and not observed. For example, imagine a spreadsheet component. It may have a
very large internal state, and it knows exactly when it needs to be rendered very large internal state, and it knows exactly when it needs to be rendered
(basically, whenever the user perform some action). Then, observing its state (basically, whenever the user performs some action). Then, observing its state
is a net performance loss, both for the CPU and the memory. is a net performance loss, both for the CPU and the memory.
## Concurrency ## Concurrency
Many applications are happy to simply display a spinner whenever a new asynchronous Many applications are happy to simply display a spinner whenever a new asynchronous
action is performed, but Odoo want a different user experience: most asynchronous action is performed, but Odoo wants a different user experience: most asynchronous
state changes are not displayed until ready. This is sometimes called a concurrent state changes are not displayed until ready. This is sometimes called a concurrent
mode: the UI is rendered in memory, and displayed only when it is ready (and mode: the UI is rendered in memory, and displayed only when it is ready (and
only if it has not been cancelled by subsequent user actions). only if it has not been cancelled by subsequent user actions).
@@ -175,6 +175,6 @@ that current standard frameworks are not tailored to our needs. It is perfectly
fine, because they each chose a different set of tradeoffs. fine, because they each chose a different set of tradeoffs.
However, we feel that there is still room in the framework world for something However, we feel that there is still room in the framework world for something
that is different. For a framework that make choices compatible with Odoo. that is different. For a framework that makes choices compatible with Odoo.
And that is why we built Owl 🦉. And that is why we built Owl 🦉.