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ui: Bump our browser support (#11505) 

Bumps our browser support to a "rough ~2 years back" approach.
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John Cowen 2021-11-11 13:37:49 +00:00 committed by GitHub
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3
.changelog/11505.txt Normal file
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@ -0,0 +1,3 @@
```release-note:improvement
ui: Update UI browser support to 'roughly ~2 years back'
```

24
ui/packages/consul-ui/config/targets.js
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@ -1,13 +1,29 @@
'use strict';
// async/await support came with the below specified versions for Chrome,
// Technically this file configures babel transpilation support but we also
// use this file as a reference for our current browser support matrix and is
// therefore used by humans also. Therefore please feel free to be liberal
// with comments.
// We are moving to a rough ~2 years back support rather than a 2 versions
// back support. This strikes a balance between folks who need to get a job
// done in the Consul UI and keeping the codebase modern and being able to use
// modern Web Platform features. This is not set in stone but please consult
// with the rest of the team before bumping forwards (or backwards)
// We pin specific versions rather than use a relative value so we can choose
// to bump and it's clear what is supported.
///
// async/await support came before the below specified versions for Chrome,
// Firefox and Edge. Async/await is is the newest ES6 feature we are not
// transpiling. Safari's template literal support is a little problematic during
// v12 in that it has a GC bug for tagged template literals. We don't currently
// rely on this functionality so the bug wouldn't effect us, but in order to use
// browser versions as a measure for ES6 features we need to specify Safari 13
// for native, non-transpiled template literals. In reality template literals
// came in Safari 9.1. Safari's async/await support came in Safari 10, so thats
// the earliest Safari we cover in reality here.
// came in Safari 9.1. Safari's async/await support came in Safari 10.
module.exports = {
browsers: ['Chrome 55', 'Firefox 53', 'Safari 13', 'Edge 15'],
browsers: ['Chrome 79', 'Firefox 72', 'Safari 13', 'Edge 79'],
};

14
ui/packages/consul-ui/docs/testing.mdx
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@ -24,6 +24,20 @@ filter field in QUnit's HTML test runner to run a subset of tests (see below).
If you have started the tests with a filter, you don't have to quit everything
and start again in order to filter by something different.
## Browser support
Please check our current browser support when adding features or fixing bugs.
At the time of writing we use a rough ~2 years back support matrix for our
browser support. As most of our targetted browsers are 'evergreen' and
auto-update this feels like it strikes a balance between the folks that are
likely to be using the Consul UI and the desire to maintain a modern
codebase/feature set. This is a balance that should always be revisited and is
not set in stone. i.e. if you need to use something check-in with the team
first, it might be the time to bump again.
Please see [../config/targets.js](../config/targets.js) for our current support.
### Running a single or a range of tests
Please use the same `make test-oss-view` command to get the tests up and