- added two triggering examples that are a common style, to make it immediately obvious that they trigger the rules
- also fixed a spelling mistake throughout the examples for the multiline_literal_brackets rule ("Gryffindor" is now correctly spelt)
And only warn once if it's disabled.
This check is expensive and as more rules move away from SourceKit to
SwiftSyntax, it's increasingly common for rules to not use SourceKit at
all.
In addition, SourceKit crashes used to be a lot more common but I
haven't seen one myself in quite a while.
Prints out something like this on macOS:
```
Version: 0.49.0-rc.1
Build ID: B43931F3-D096-3704-B41C-FC40673A3F96
```
This can be used to determine if two `swiftlint` executables are
identical.
Making it about 10x faster, finding some previously missed cases and
fixing some previously wrong corrections.
This pulls in the `Collection.windows(ofCount:)` function from Swift
Algorithms.
This change makes it possible to add native custom rules when building
SwiftLint via Bazel (possible as of
https://github.com/realm/SwiftLint/pull/4038).
First, add a local bazel repository where custom rules will be defined
to your project's `WORKSPACE`:
```python
local_repository(
name = "swiftlint_extra_rules",
path = "swiftlint_extra_rules",
)
```
Then in the extra rules directory, add an empty `WORKSPACE` and a
`BUILD` file with the following contents:
```python
filegroup(
name = "extra_rules",
srcs = glob(["*.swift"]),
visibility = ["//visibility:public"],
)
```
To add a rule (for example, `MyPrivateRule`) add the following two
files:
```swift
// ExtraRules.swift
func extraRules() -> [Rule.Type] {
[
MyPrivateRule.self,
]
}
```
```swift
// MyPrivateRule.swift
import SourceKittenFramework
import SwiftSyntax
struct MyPrivateRule: ConfigurationProviderRule {
var configuration = SeverityConfiguration(.error)
init() {}
static let description = RuleDescription(
identifier: "my_private_rule",
name: "My Private Rule",
description: "This is my private rule.",
kind: .idiomatic
)
func validate(file: SwiftLintFile) -> [StyleViolation] {
// Perform validation here...
}
}
```
Then you can reference the rule in your configuration or source files as
though they were built in to the official SwiftLint repo.
This means that you have access to SwiftLintFramework's internal API.
We make no guarantees as to the stability of these internal APIs,
although if you end up using something that gets removed please reach
out and we'll make a best effort to maintain some level of support.
This PR also improves the linter cache on macOS to make it correctly
invalidate previous results when custom native rules are edited. This
even works when doing local development of SwiftLint, where previous it
was necessary to use `--no-cache` when working on SwiftLint, now the
cache should always work.
Co-authored-by: Keith Smiley <keithbsmiley@gmail.com>
This will unblock using Swift Concurrency features and updating to the
latest versions of Swift Argument Parser.
This won't drop support for linting projects with an older toolchain /
Xcode selected, as long as SwiftLint was _built_ with 5.6+ and is
_running_ on macOS 12+. So the main breaking change for end users here
is requiring macOS 12 to run.
However, the upside to using Swift Concurrency features is worth the
breaking change in my opinion. Also being able to stay on recent Swift
Argument Parser releases.
This makes the added test cases work in Xcode 13.2 where the wrapping does not happen.
The call expression is the first substructure in the dictionary, while in Xcode 13.3
it's an argument containing the call expression.
Warns if a SwiftUI Image does not have an accessibility label and is not hidden from accessibility. When this is the case, the image's accessibility label defaults to the name of the image file causing a poor UX.
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