chore(scripts): reuse the swift build folder

.github/actions/setup/action.yml

@@ -187,7 +187,6 @@ runs:
       with:
         path: |
           clients/algoliasearch-client-swift/.build
-          tests/output/swift/.build
         key: swift-build-${{ inputs.version }}-${{ runner.os }}
 
     - name: Set swiftformat version

scripts/buildLanguages.ts

@@ -1,7 +1,7 @@
 import { existsSync } from 'node:fs';
 
 import { createClientName, run, toAbsolutePath } from './common.ts';
-import { getLanguageFolder } from './config.ts';
+import { getLanguageFolder, getSwiftBuildFolder } from './config.ts';
 import { formatter } from './formatter.ts';
 import { createSpinner } from './spinners.ts';
 import type { Generator, Language } from './types.ts';
@@ -91,10 +91,7 @@ async function buildLanguage(language: Language, gens: Generator[], buildType: B
       await run('sbt --batch -Dsbt.server.forcestart=true +compile', { cwd, language });
       break;
     case 'swift':
-      // make this work in the playground
-      if (buildType !== 'playground') {
-        await run('swift build -Xswiftc -suppress-warnings', { cwd, language });
-      }
+      await run(`swift build -Xswiftc -suppress-warnings --build-path ${getSwiftBuildFolder()}`, { cwd, language });
       break;
     default:
   }

scripts/config.ts

@@ -1,6 +1,6 @@
 import clientsConfig from '../config/clients.config.json' with { type: 'json' };
 
-import { CI, createClientName } from './common.ts';
+import { CI, createClientName, toAbsolutePath } from './common.ts';
 import type { Generator, Language, LanguageConfig } from './types.ts';
 
 export function getClientsConfigField(
@@ -57,6 +57,10 @@ export function getDockerImage(language?: Language): string | undefined {
   return getClientsConfigField(language, 'dockerImage', false);
 }
 
+export function getSwiftBuildFolder(): string {
+  return toAbsolutePath(getLanguageFolder('swift') + '/.build');
+}
+
 /**
  * Returns the version of the package from clients.config.json, except for JavaScript where it returns the version of javascript-search.
  */

scripts/cts/runCts.ts

@@ -1,7 +1,7 @@
 import fsp from 'fs/promises';
 
 import { exists, isVerbose, run, runComposerInstall, toAbsolutePath } from '../common.ts';
-import { getTestOutputFolder } from '../config.ts';
+import { getSwiftBuildFolder, getTestOutputFolder } from '../config.ts';
 import { createSpinner } from '../spinners.ts';
 import type { Language } from '../types.ts';
 
@@ -115,10 +115,13 @@ async function runCtsOne(language: Language, suites: Record<CTSType, boolean>):
       });
       break;
     case 'swift':
-      await run(`swift test -Xswiftc -suppress-warnings --parallel ${filter((f) => `--filter "${f}.*"`)}`, {
-        cwd,
-        language,
-      });
+      await run(
+        `swift test -Xswiftc -suppress-warnings --build-path ${getSwiftBuildFolder()} --parallel ${filter((f) => `--filter "${f}.*"`)}`,
+        {
+          cwd,
+          language,
+        },
+      );
       break;
     default:
       spinner.warn(`skipping unknown language '${language}' to run the CTS`);

scripts/playground.ts

@@ -1,5 +1,6 @@
 import type { AllLanguage } from './cli/utils.ts';
 import { createClientName, run, runComposerInstall } from './common.ts';
+import { getSwiftBuildFolder } from './config.ts';
 
 export async function playground({ language, client }: { language: AllLanguage; client: string }): Promise<void> {
   switch (language) {
@@ -56,7 +57,10 @@ export async function playground({ language, client }: { language: AllLanguage;
       await run(`sbt \\"runMain ${createClientName(client, 'scala')}\\"`, { cwd: 'playground/scala', language });
       break;
     case 'swift':
-      await run(`swift run ${client}-playground`, { cwd: 'playground/swift', language });
+      await run(`swift run --build-path ${getSwiftBuildFolder()} ${client}-playground`, {
+        cwd: 'playground/swift',
+        language,
+      });
       break;
     default:
   }