feat(core): Deprecate arrayify (#14405)

Author: Luca Forstner

docs/migration/draft-v9-migration-guide.md

@@ -8,6 +8,7 @@
   be removed in v9.
 - Deprecated `TransactionNamingScheme` type.
 - Deprecated `urlEncode`. No replacements.
+- Deprecated `arrayify`. No replacements.
 
 ## `@sentry/core`
 

packages/core/src/utils-hoist/index.ts

@@ -40,6 +40,7 @@ export {
   addContextToFrame,
   addExceptionMechanism,
   addExceptionTypeValue,
+  // eslint-disable-next-line deprecation/deprecation
   arrayify,
   checkOrSetAlreadyCaught,
   getEventDescription,

packages/core/src/utils-hoist/misc.ts

@@ -232,6 +232,8 @@ export function checkOrSetAlreadyCaught(exception: unknown): boolean {
  *
  * @param maybeArray Input to turn into an array, if necessary
  * @returns The input, if already an array, or an array with the input as the only element, if not
+ *
+ * @deprecated This function has been deprecated and will not be replaced.
  */
 export function arrayify<T = unknown>(maybeArray: T | T[]): T[] {
   return Array.isArray(maybeArray) ? maybeArray : [maybeArray];

packages/core/test/utils-hoist/misc.test.ts

@@ -366,16 +366,24 @@ describe('uuid4 generation', () => {
 
 describe('arrayify()', () => {
   it('returns arrays untouched', () => {
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify([])).toEqual([]);
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify(['dogs', 'are', 'great'])).toEqual(['dogs', 'are', 'great']);
   });
 
   it('wraps non-arrays with an array', () => {
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify(1231)).toEqual([1231]);
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify('dogs are great')).toEqual(['dogs are great']);
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify(true)).toEqual([true]);
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify({})).toEqual([{}]);
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify(null)).toEqual([null]);
+    // eslint-disable-next-line deprecation/deprecation
     expect(arrayify(undefined)).toEqual([undefined]);
   });
 });

packages/nextjs/src/config/webpack.ts

@@ -3,7 +3,7 @@
 
 import * as fs from 'fs';
 import * as path from 'path';
-import { arrayify, escapeStringForRegex, loadModule, logger } from '@sentry/core';
+import { escapeStringForRegex, loadModule, logger } from '@sentry/core';
 import { getSentryRelease } from '@sentry/node';
 import * as chalk from 'chalk';
 import { sync as resolveSync } from 'resolve';
@@ -491,7 +491,7 @@ function addFilesToWebpackEntryPoint(
   let newEntryPoint = currentEntryPoint;
 
   if (typeof currentEntryPoint === 'string' || Array.isArray(currentEntryPoint)) {
-    newEntryPoint = arrayify(currentEntryPoint);
+    newEntryPoint = Array.isArray(currentEntryPoint) ? currentEntryPoint : [currentEntryPoint];
     if (newEntryPoint.some(entry => filesToInsert.includes(entry))) {
       return;
     }
@@ -507,7 +507,7 @@ function addFilesToWebpackEntryPoint(
   // descriptor object (webpack 5+)
   else if (typeof currentEntryPoint === 'object' && 'import' in currentEntryPoint) {
     const currentImportValue = currentEntryPoint.import;
-    const newImportValue = arrayify(currentImportValue);
+    const newImportValue = Array.isArray(currentImportValue) ? currentImportValue : [currentImportValue];
     if (newImportValue.some(entry => filesToInsert.includes(entry))) {
       return;
     }

packages/utils/src/index.ts

@@ -147,6 +147,7 @@ export {
   loadModule,
   flatten,
   memoBuilder,
+  // eslint-disable-next-line deprecation/deprecation
   arrayify,
   normalizeUrlToBase,
   // eslint-disable-next-line deprecation/deprecation

packages/vue/src/integration.ts

@@ -1,5 +1,5 @@
 import { defineIntegration, hasTracingEnabled } from '@sentry/core';
-import { GLOBAL_OBJ, arrayify, consoleSandbox } from '@sentry/core';
+import { GLOBAL_OBJ, consoleSandbox } from '@sentry/core';
 import type { Client, IntegrationFn } from '@sentry/types';
 
 import { DEFAULT_HOOKS } from './constants';
@@ -48,7 +48,7 @@ Update your \`Sentry.init\` call with an appropriate config option:
   }
 
   if (options.app) {
-    const apps = arrayify(options.app);
+    const apps = Array.isArray(options.app) ? options.app : [options.app];
     apps.forEach(app => vueInit(app, options));
   } else if (options.Vue) {
     vueInit(options.Vue, options);