codama-idl · lorisleiva · Dec 3, 2025 · Dec 3, 2025
diff --git a/.changeset/frank-stamps-bathe.md b/.changeset/frank-stamps-bathe.md
@@ -0,0 +1,5 @@
+---
+'@codama/renderers-js': patch
+---
+
+Use standalone format function from Prettier and remove opinionated defaults
diff --git a/src/utils/formatCode.ts b/src/utils/formatCode.ts
@@ -1,23 +1,17 @@
 import { joinPath, mapRenderMapContentAsync, RenderMap } from '@codama/renderers-core';
-import { format, Plugin, resolveConfig } from 'prettier';
+import { Plugin, resolveConfig } from 'prettier';
 import * as estreePlugin from 'prettier/plugins/estree';
 import * as typeScriptPlugin from 'prettier/plugins/typescript';
+import { format } from 'prettier/standalone';
 
 import { Fragment } from './fragment';
 import { RenderOptions } from './options';
 
 export type PrettierOptions = Parameters<typeof format>[1];
 
 const DEFAULT_PRETTIER_OPTIONS: PrettierOptions = {
-    arrowParens: 'always',
     parser: 'typescript',
     plugins: [estreePlugin as Plugin<unknown>, typeScriptPlugin],
-    printWidth: 80,
-    semi: true,
-    singleQuote: true,
-    tabWidth: 2,
-    trailingComma: 'es5',
-    useTabs: false,
 };
 
 export async function formatCode(

diff --git a/src/utils/packageJson.ts b/src/utils/packageJson.ts
@@ -2,9 +2,9 @@ import { CODAMA_ERROR__RENDERERS__MISSING_DEPENDENCY_VERSIONS, CodamaError, logW
 import { fileExists, joinPath, readJson, RenderMap, writeFile } from '@codama/renderers-core';
 import { lt as ltVersion, minVersion, subset } from 'semver';
 
-import { RenderOptions } from '.';
 import { Fragment, mergeFragments } from './fragment';
 import { getExternalDependencies } from './importMap';
+import { RenderOptions } from './options';
 
 type DependencyVersions = Record<string, string>;
 

diff --git a/test/e2e/anchor/src/generated/accounts/guardV1.ts b/test/e2e/anchor/src/generated/accounts/guardV1.ts
@@ -101,7 +101,7 @@ export function getGuardV1Encoder(): Encoder<GuardV1Args> {
             ['transferAmountRule', getOptionEncoder(getTransferAmountRuleEncoder())],
             ['additionalFieldsRule', getArrayEncoder(getMetadataAdditionalFieldRuleEncoder())],
         ]),
-        value => ({ ...value, discriminator: GUARD_V1_DISCRIMINATOR })
+        value => ({ ...value, discriminator: GUARD_V1_DISCRIMINATOR }),
     );
 }
 
@@ -123,21 +123,21 @@ export function getGuardV1Codec(): Codec<GuardV1Args, GuardV1> {
 }
 
 export function decodeGuardV1<TAddress extends string = string>(
-    encodedAccount: EncodedAccount<TAddress>
+    encodedAccount: EncodedAccount<TAddress>,
 ): Account<GuardV1, TAddress>;
 export function decodeGuardV1<TAddress extends string = string>(
-    encodedAccount: MaybeEncodedAccount<TAddress>
+    encodedAccount: MaybeEncodedAccount<TAddress>,
 ): MaybeAccount<GuardV1, TAddress>;
 export function decodeGuardV1<TAddress extends string = string>(
-    encodedAccount: EncodedAccount<TAddress> | MaybeEncodedAccount<TAddress>
+    encodedAccount: EncodedAccount<TAddress> | MaybeEncodedAccount<TAddress>,
 ): Account<GuardV1, TAddress> | MaybeAccount<GuardV1, TAddress> {
     return decodeAccount(encodedAccount as MaybeEncodedAccount<TAddress>, getGuardV1Decoder());
 }
 
 export async function fetchGuardV1<TAddress extends string = string>(
     rpc: Parameters<typeof fetchEncodedAccount>[0],
     address: Address<TAddress>,
-    config?: FetchAccountConfig
+    config?: FetchAccountConfig,
 ): Promise<Account<GuardV1, TAddress>> {
     const maybeAccount = await fetchMaybeGuardV1(rpc, address, config);
     assertAccountExists(maybeAccount);
@@ -147,7 +147,7 @@ export async function fetchGuardV1<TAddress extends string = string>(
 export async function fetchMaybeGuardV1<TAddress extends string = string>(
     rpc: Parameters<typeof fetchEncodedAccount>[0],
     address: Address<TAddress>,
-    config?: FetchAccountConfig
+    config?: FetchAccountConfig,
 ): Promise<MaybeAccount<GuardV1, TAddress>> {
     const maybeAccount = await fetchEncodedAccount(rpc, address, config);
     return decodeGuardV1(maybeAccount);
@@ -156,7 +156,7 @@ export async function fetchMaybeGuardV1<TAddress extends string = string>(
 export async function fetchAllGuardV1(
     rpc: Parameters<typeof fetchEncodedAccounts>[0],
     addresses: Array<Address>,
-    config?: FetchAccountsConfig
+    config?: FetchAccountsConfig,
 ): Promise<Account<GuardV1>[]> {
     const maybeAccounts = await fetchAllMaybeGuardV1(rpc, addresses, config);
     assertAccountsExist(maybeAccounts);
@@ -166,7 +166,7 @@ export async function fetchAllGuardV1(
 export async function fetchAllMaybeGuardV1(
     rpc: Parameters<typeof fetchEncodedAccounts>[0],
     addresses: Array<Address>,
-    config?: FetchAccountsConfig
+    config?: FetchAccountsConfig,
 ): Promise<MaybeAccount<GuardV1>[]> {
     const maybeAccounts = await fetchEncodedAccounts(rpc, addresses, config);
     return maybeAccounts.map(maybeAccount => decodeGuardV1(maybeAccount));

diff --git a/test/e2e/anchor/src/generated/errors/wenTransferGuard.ts b/test/e2e/anchor/src/generated/errors/wenTransferGuard.ts
@@ -66,7 +66,7 @@ export function getWenTransferGuardErrorMessage(code: WenTransferGuardError): st
 export function isWenTransferGuardError<TProgramErrorCode extends WenTransferGuardError>(
     error: unknown,
     transactionMessage: { instructions: Record<number, { programAddress: Address }> },
-    code?: TProgramErrorCode
+    code?: TProgramErrorCode,
 ): error is SolanaError<typeof SOLANA_ERROR__INSTRUCTION_ERROR__CUSTOM> &
     Readonly<{ context: Readonly<{ code: TProgramErrorCode }> }> {
     return isProgramError<TProgramErrorCode>(error, transactionMessage, WEN_TRANSFER_GUARD_PROGRAM_ADDRESS, code);

diff --git a/test/e2e/anchor/src/generated/instructions/createGuard.ts b/test/e2e/anchor/src/generated/instructions/createGuard.ts
@@ -136,7 +136,7 @@ export function getCreateGuardInstructionDataEncoder(): Encoder<CreateGuardInstr
             ['transferAmountRule', getOptionEncoder(getTransferAmountRuleEncoder())],
             ['additionalFieldsRule', getArrayEncoder(getMetadataAdditionalFieldRuleEncoder())],
         ]),
-        value => ({ ...value, discriminator: CREATE_GUARD_DISCRIMINATOR })
+        value => ({ ...value, discriminator: CREATE_GUARD_DISCRIMINATOR }),
     );
 }
 
@@ -206,7 +206,7 @@ export async function getCreateGuardInstructionAsync<
         TAccountTokenProgram,
         TAccountSystemProgram
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): Promise<
     CreateGuardInstruction<
         TProgramAddress,
@@ -248,7 +248,7 @@ export async function getCreateGuardInstructionAsync<
                     new Uint8Array([
                         119, 101, 110, 95, 116, 111, 107, 101, 110, 95, 116, 114, 97, 110, 115, 102, 101, 114, 95, 103,
                         117, 97, 114, 100,
-                    ])
+                    ]),
                 ),
                 getBytesEncoder().encode(new Uint8Array([103, 117, 97, 114, 100, 95, 118, 49])),
                 getAddressEncoder().encode(expectAddress(accounts.mint.value)),
@@ -353,7 +353,7 @@ export function getCreateGuardInstruction<
         TAccountTokenProgram,
         TAccountSystemProgram
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): CreateGuardInstruction<
     TProgramAddress,
     TAccountGuard,
@@ -446,7 +446,7 @@ export type ParsedCreateGuardInstruction<
 export function parseCreateGuardInstruction<TProgram extends string, TAccountMetas extends readonly AccountMeta[]>(
     instruction: Instruction<TProgram> &
         InstructionWithAccounts<TAccountMetas> &
-        InstructionWithData<ReadonlyUint8Array>
+        InstructionWithData<ReadonlyUint8Array>,
 ): ParsedCreateGuardInstruction<TProgram, TAccountMetas> {
     if (instruction.accounts.length < 8) {
         // TODO: Coded error.

diff --git a/test/e2e/anchor/src/generated/instructions/execute.ts b/test/e2e/anchor/src/generated/instructions/execute.ts
@@ -81,7 +81,7 @@ export function getExecuteInstructionDataEncoder(): FixedSizeEncoder<ExecuteInst
             ['discriminator', fixEncoderSize(getBytesEncoder(), 8)],
             ['amount', getU64Encoder()],
         ]),
-        value => ({ ...value, discriminator: EXECUTE_DISCRIMINATOR })
+        value => ({ ...value, discriminator: EXECUTE_DISCRIMINATOR }),
     );
 }
 
@@ -134,7 +134,7 @@ export async function getExecuteInstructionAsync<
         TAccountGuard,
         TAccountInstructionSysvarAccount
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): Promise<
     ExecuteInstruction<
         TProgramAddress,
@@ -173,7 +173,7 @@ export async function getExecuteInstructionAsync<
                 getBytesEncoder().encode(
                     new Uint8Array([
                         101, 120, 116, 114, 97, 45, 97, 99, 99, 111, 117, 110, 116, 45, 109, 101, 116, 97, 115,
-                    ])
+                    ]),
                 ),
                 getAddressEncoder().encode(expectAddress(accounts.mint.value)),
             ],
@@ -247,7 +247,7 @@ export function getExecuteInstruction<
         TAccountGuard,
         TAccountInstructionSysvarAccount
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): ExecuteInstruction<
     TProgramAddress,
     TAccountSourceAccount,
@@ -327,7 +327,7 @@ export type ParsedExecuteInstruction<
 export function parseExecuteInstruction<TProgram extends string, TAccountMetas extends readonly AccountMeta[]>(
     instruction: Instruction<TProgram> &
         InstructionWithAccounts<TAccountMetas> &
-        InstructionWithData<ReadonlyUint8Array>
+        InstructionWithData<ReadonlyUint8Array>,
 ): ParsedExecuteInstruction<TProgram, TAccountMetas> {
     if (instruction.accounts.length < 7) {
         // TODO: Coded error.

diff --git a/test/e2e/anchor/src/generated/instructions/initialize.ts b/test/e2e/anchor/src/generated/instructions/initialize.ts
@@ -126,7 +126,7 @@ export async function getInitializeInstructionAsync<
         TAccountSystemProgram,
         TAccountPayer
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): Promise<
     InitializeInstruction<
         TProgramAddress,
@@ -160,7 +160,7 @@ export async function getInitializeInstructionAsync<
                 getBytesEncoder().encode(
                     new Uint8Array([
                         101, 120, 116, 114, 97, 45, 97, 99, 99, 111, 117, 110, 116, 45, 109, 101, 116, 97, 115,
-                    ])
+                    ]),
                 ),
                 getAddressEncoder().encode(expectAddress(accounts.mint.value)),
             ],
@@ -227,7 +227,7 @@ export function getInitializeInstruction<
         TAccountSystemProgram,
         TAccountPayer
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): InitializeInstruction<
     TProgramAddress,
     TAccountExtraMetasAccount,
@@ -299,7 +299,7 @@ export type ParsedInitializeInstruction<
 export function parseInitializeInstruction<TProgram extends string, TAccountMetas extends readonly AccountMeta[]>(
     instruction: Instruction<TProgram> &
         InstructionWithAccounts<TAccountMetas> &
-        InstructionWithData<ReadonlyUint8Array>
+        InstructionWithData<ReadonlyUint8Array>,
 ): ParsedInitializeInstruction<TProgram, TAccountMetas> {
     if (instruction.accounts.length < 6) {
         // TODO: Coded error.

diff --git a/test/e2e/anchor/src/generated/instructions/updateGuard.ts b/test/e2e/anchor/src/generated/instructions/updateGuard.ts
@@ -107,7 +107,7 @@ export function getUpdateGuardInstructionDataEncoder(): Encoder<UpdateGuardInstr
             ['transferAmountRule', getOptionEncoder(getTransferAmountRuleEncoder())],
             ['additionalFieldsRule', getArrayEncoder(getMetadataAdditionalFieldRuleEncoder())],
         ]),
-        value => ({ ...value, discriminator: UPDATE_GUARD_DISCRIMINATOR })
+        value => ({ ...value, discriminator: UPDATE_GUARD_DISCRIMINATOR }),
     );
 }
 
@@ -163,7 +163,7 @@ export async function getUpdateGuardInstructionAsync<
         TAccountTokenProgram,
         TAccountSystemProgram
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): Promise<
     UpdateGuardInstruction<
         TProgramAddress,
@@ -201,7 +201,7 @@ export async function getUpdateGuardInstructionAsync<
                     new Uint8Array([
                         119, 101, 110, 95, 116, 111, 107, 101, 110, 95, 116, 114, 97, 110, 115, 102, 101, 114, 95, 103,
                         117, 97, 114, 100,
-                    ])
+                    ]),
                 ),
                 getBytesEncoder().encode(new Uint8Array([103, 117, 97, 114, 100, 95, 118, 49])),
                 getAddressEncoder().encode(expectAddress(accounts.mint.value)),
@@ -287,7 +287,7 @@ export function getUpdateGuardInstruction<
         TAccountTokenProgram,
         TAccountSystemProgram
     >,
-    config?: { programAddress?: TProgramAddress }
+    config?: { programAddress?: TProgramAddress },
 ): UpdateGuardInstruction<
     TProgramAddress,
     TAccountGuard,
@@ -366,7 +366,7 @@ export type ParsedUpdateGuardInstruction<
 export function parseUpdateGuardInstruction<TProgram extends string, TAccountMetas extends readonly AccountMeta[]>(
     instruction: Instruction<TProgram> &
         InstructionWithAccounts<TAccountMetas> &
-        InstructionWithData<ReadonlyUint8Array>
+        InstructionWithData<ReadonlyUint8Array>,
 ): ParsedUpdateGuardInstruction<TProgram, TAccountMetas> {
     if (instruction.accounts.length < 6) {
         // TODO: Coded error.

diff --git a/test/e2e/anchor/src/generated/programs/wenTransferGuard.ts b/test/e2e/anchor/src/generated/programs/wenTransferGuard.ts
@@ -22,14 +22,14 @@ export enum WenTransferGuardAccount {
 }
 
 export function identifyWenTransferGuardAccount(
-    account: { data: ReadonlyUint8Array } | ReadonlyUint8Array
+    account: { data: ReadonlyUint8Array } | ReadonlyUint8Array,
 ): WenTransferGuardAccount {
     const data = 'data' in account ? account.data : account;
     if (
         containsBytes(
             data,
             fixEncoderSize(getBytesEncoder(), 8).encode(new Uint8Array([185, 149, 156, 78, 245, 108, 172, 68])),
-            0
+            0,
         )
     ) {
         return WenTransferGuardAccount.GuardV1;
@@ -45,14 +45,14 @@ export enum WenTransferGuardInstruction {
 }
 
 export function identifyWenTransferGuardInstruction(
-    instruction: { data: ReadonlyUint8Array } | ReadonlyUint8Array
+    instruction: { data: ReadonlyUint8Array } | ReadonlyUint8Array,
 ): WenTransferGuardInstruction {
     const data = 'data' in instruction ? instruction.data : instruction;
     if (
         containsBytes(
             data,
             fixEncoderSize(getBytesEncoder(), 8).encode(new Uint8Array([251, 254, 17, 198, 219, 218, 154, 99])),
-            0
+            0,
         )
     ) {
         return WenTransferGuardInstruction.CreateGuard;
@@ -61,7 +61,7 @@ export function identifyWenTransferGuardInstruction(
         containsBytes(
             data,
             fixEncoderSize(getBytesEncoder(), 8).encode(new Uint8Array([105, 37, 101, 197, 75, 251, 102, 26])),
-            0
+            0,
         )
     ) {
         return WenTransferGuardInstruction.Execute;
@@ -70,7 +70,7 @@ export function identifyWenTransferGuardInstruction(
         containsBytes(
             data,
             fixEncoderSize(getBytesEncoder(), 8).encode(new Uint8Array([43, 34, 13, 49, 167, 88, 235, 235])),
-            0
+            0,
         )
     ) {
         return WenTransferGuardInstruction.Initialize;
@@ -79,7 +79,7 @@ export function identifyWenTransferGuardInstruction(
         containsBytes(
             data,
             fixEncoderSize(getBytesEncoder(), 8).encode(new Uint8Array([51, 38, 175, 180, 25, 249, 39, 24])),
-            0
+            0,
         )
     ) {
         return WenTransferGuardInstruction.UpdateGuard;

diff --git a/test/e2e/anchor/src/generated/shared/index.ts b/test/e2e/anchor/src/generated/shared/index.ts
@@ -34,7 +34,7 @@ export function expectSome<T>(value: T | null | undefined): T {
  * @internal
  */
 export function expectAddress<T extends string = string>(
-    value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined
+    value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined,
 ): Address<T> {
     if (!value) {
         throw new Error('Expected a Address.');
@@ -53,7 +53,7 @@ export function expectAddress<T extends string = string>(
  * @internal
  */
 export function expectProgramDerivedAddress<T extends string = string>(
-    value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined
+    value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined,
 ): ProgramDerivedAddress<T> {
     if (!value || !Array.isArray(value) || !isProgramDerivedAddress(value)) {
         throw new Error('Expected a ProgramDerivedAddress.');
@@ -66,7 +66,7 @@ export function expectProgramDerivedAddress<T extends string = string>(
  * @internal
  */
 export function expectTransactionSigner<T extends string = string>(
-    value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined
+    value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined,
 ): TransactionSigner<T> {
     if (!value || !isTransactionSigner(value)) {
         throw new Error('Expected a TransactionSigner.');
@@ -119,7 +119,7 @@ export function getAccountMetaFactory(programAddress: Address, optionalAccountSt
 }
 
 export function isTransactionSigner<TAddress extends string = string>(
-    value: Address<TAddress> | ProgramDerivedAddress<TAddress> | TransactionSigner<TAddress>
+    value: Address<TAddress> | ProgramDerivedAddress<TAddress> | TransactionSigner<TAddress>,
 ): value is TransactionSigner<TAddress> {
     return !!value && typeof value === 'object' && 'address' in value && kitIsTransactionSigner(value);
 }
diff --git a/test/e2e/anchor/src/generated/types/cpiRule.ts b/test/e2e/anchor/src/generated/types/cpiRule.ts
@@ -57,11 +57,11 @@ export function getCpiRuleCodec(): Codec<CpiRuleArgs, CpiRule> {
 // Data Enum Helpers.
 export function cpiRule(
     kind: 'Allow',
-    data: GetDiscriminatedUnionVariantContent<CpiRuleArgs, '__kind', 'Allow'>['fields']
+    data: GetDiscriminatedUnionVariantContent<CpiRuleArgs, '__kind', 'Allow'>['fields'],
 ): GetDiscriminatedUnionVariant<CpiRuleArgs, '__kind', 'Allow'>;
 export function cpiRule(
     kind: 'Deny',
-    data: GetDiscriminatedUnionVariantContent<CpiRuleArgs, '__kind', 'Deny'>['fields']
+    data: GetDiscriminatedUnionVariantContent<CpiRuleArgs, '__kind', 'Deny'>['fields'],
 ): GetDiscriminatedUnionVariant<CpiRuleArgs, '__kind', 'Deny'>;
 export function cpiRule<K extends CpiRuleArgs['__kind'], Data>(kind: K, data?: Data) {
     return Array.isArray(data) ? { __kind: kind, fields: data } : { __kind: kind, ...(data ?? {}) };