harmony 鸿蒙ArkCompiler Subsystem Changelog

2025-06-12
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ArkCompiler Subsystem Changelog

cl.ArkCompiler.1 ArkTS Linter Rules Changed

Access Level

Others

Reason for Change

For ease of use, the linter rules arkts-no-generic-lambdas and arkts-no-import-default-as are deleted from ArkTS.

Change Impact

This change is a compatibility change.

Start API Level

10

Change Since

OpenHarmony SDK 5.0.0.25

Key API/Component Changes

Before the change, a linter error is reported for the following two rules. After the change, no linter error is reported for the two rules.

(Deleted) Rule 1: Use Generic Functions Instead of Generic Arrow Functions

Rule: arkts-no-generic-lambdas

Severity: error

Rule description: ArkTS does not support generic arrow functions.

TypeScript syntax:
```
let generic_arrow_func = <T extends String> (x: T) => { return x; };


generic_arrow_func('string');
```
ArkTS syntax:
```
function generic_func<T extends String>(x: T): T {
return x;
}


generic_func<String>('string');
```
(Deleted) Rule 2: Import default as… Is Not Supported

Rule: arkts-no-import-default-as

Severity: error

Rule description: ArkTS does not support the import default as… syntax. Use explicit import… from… instead.

TypeScript syntax:
```
import { default as d } from 'mod'
```
ArkTS syntax:
```
import d from 'mod'
```

Adaptation Guide

No adaptation is required.

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