build: make stableswap-sdk compatible with modern module resolution

packages/stableswap-sdk/src/calculator/amounts.ts

@@ -1,11 +1,11 @@
 import type { Token } from "@saberhq/token-utils";
 import { Fraction, ONE, TokenAmount, ZERO } from "@saberhq/token-utils";
-import JSBI from "jsbi";
+import { default as JSBI } from "jsbi";
 import mapValues from "lodash.mapvalues";
 
-import type { IExchangeInfo } from "../entities/exchange";
-import type { Fees } from "../state/fees";
-import { computeD, computeY } from "./curve";
+import type { IExchangeInfo } from "../entities/exchange.js";
+import type { Fees } from "../state/fees.js";
+import { computeD, computeY } from "./curve.js";
 
 /**
  * Calculates the current virtual price of the exchange.

packages/stableswap-sdk/src/calculator/amounts.unit.test.ts

@@ -2,19 +2,19 @@ import type { BigintIsh } from "@saberhq/token-utils";
 import { Percent, Token as SToken, TokenAmount } from "@saberhq/token-utils";
 import { PublicKey } from "@solana/web3.js";
 import BN from "bn.js";
-import JSBI from "jsbi";
+import { default as JSBI } from "jsbi";
 import mapValues from "lodash.mapvalues";
 
-import { SWAP_PROGRAM_ID } from "../constants";
-import type { IExchangeInfo } from "../entities/exchange";
-import { RECOMMENDED_FEES, ZERO_FEES } from "../state/fees";
+import { SWAP_PROGRAM_ID } from "../constants.js";
+import type { IExchangeInfo } from "../entities/exchange.js";
+import { RECOMMENDED_FEES, ZERO_FEES } from "../state/fees.js";
 import {
   calculateEstimatedMintAmount,
   calculateEstimatedSwapOutputAmount,
   calculateEstimatedWithdrawAmount,
   calculateEstimatedWithdrawOneAmount,
   calculateVirtualPrice,
-} from "./amounts";
+} from "./amounts.js";
 
 const exchange = {
   swapAccount: new PublicKey("YAkoNb6HKmSxQN9L8hiBE5tPJRsniSSMzND1boHmZxe"),

packages/stableswap-sdk/src/calculator/curve.ts

@@ -1,5 +1,5 @@
 import { ONE, ZERO } from "@saberhq/token-utils";
-import JSBI from "jsbi";
+import { default as JSBI } from "jsbi";
 
 const N_COINS = JSBI.BigInt(2); // n
 

packages/stableswap-sdk/src/calculator/curve.unit.test.ts

@@ -1,7 +1,7 @@
 import type { BigintIsh } from "@saberhq/token-utils";
-import JSBI from "jsbi";
+import { default as JSBI } from "jsbi";
 
-import { computeD, computeY } from "./curve";
+import { computeD, computeY } from "./curve.js";
 
 const assertBN = (actual: BigintIsh, expected: BigintIsh) => {
   expect(actual.toString()).toEqual(expected.toString());

packages/stableswap-sdk/src/calculator/index.ts

@@ -1,3 +1,3 @@
-export * from "./amounts";
-export * from "./curve";
-export * from "./price";
+export * from "./amounts.js";
+export * from "./curve.js";
+export * from "./price.js";

packages/stableswap-sdk/src/calculator/price.ts

@@ -1,8 +1,8 @@
 import { Price, TokenAmount } from "@saberhq/token-utils";
 import BN from "bn.js";
 
-import type { IExchangeInfo } from "..";
-import { calculateEstimatedSwapOutputAmount } from "..";
+import type { IExchangeInfo } from "../index.js";
+import { calculateEstimatedSwapOutputAmount } from "../index.js";
 
 /**
  * Gets the price of the second token in the swap, i.e. "Token 1", with respect to "Token 0".

packages/stableswap-sdk/src/entities/exchange.ts

@@ -8,14 +8,14 @@ import {
 } from "@saberhq/token-utils";
 import type { Connection, PublicKey } from "@solana/web3.js";
 import BN from "bn.js";
-import type JSBI from "jsbi";
-import invariant from "tiny-invariant";
+import type { default as JSBI } from "jsbi";
+import { default as invariant } from "tiny-invariant";
 
-import { SWAP_PROGRAM_ID } from "../constants";
-import { StableSwap } from "../stable-swap";
-import type { StableSwapState } from "../state";
-import type { Fees } from "../state/fees";
-import { loadProgramAccount } from "../util/account";
+import { SWAP_PROGRAM_ID } from "../constants.js";
+import { StableSwap } from "../stable-swap.js";
+import type { Fees } from "../state/fees.js";
+import type { StableSwapState } from "../state/index.js";
+import { loadProgramAccount } from "../util/account.js";
 
 /**
  * Reserve information.

packages/stableswap-sdk/src/entities/index.ts

@@ -1 +1 @@
-export * from "./exchange";
+export * from "./exchange.js";

packages/stableswap-sdk/src/index.ts

@@ -1,8 +1,8 @@
-export * from "./calculator";
-export * from "./constants";
-export * from "./entities";
-export * from "./events";
-export * from "./instructions";
-export * from "./stable-swap";
-export * from "./state";
-export * from "./util";
+export * from "./calculator/index.js";
+export * from "./constants.js";
+export * from "./entities/index.js";
+export * from "./events.js";
+export * from "./instructions/index.js";
+export * from "./stable-swap.js";
+export * from "./state/index.js";
+export * from "./util/index.js";

packages/stableswap-sdk/src/instructions/admin.ts

@@ -2,9 +2,11 @@ import type { u64 } from "@saberhq/token-utils";
 import * as BufferLayout from "@solana/buffer-layout";
 import type { PublicKey, TransactionInstruction } from "@solana/web3.js";
 
-import type { StableSwapState } from "../state";
-import type { Fees } from "../state/fees";
-import { encodeFees, ZERO_FEES } from "../state/fees";
+import type { Fees } from "../state/fees.js";
+import { encodeFees, ZERO_FEES } from "../state/fees.js";
+import type { StableSwapState } from "../state/index.js";
+import type { StableSwapConfig } from "./common.js";
+import { buildInstruction } from "./common.js";
 import {
   ApplyNewAdminIXLayout,
   PauseIXLayout,
@@ -13,9 +15,7 @@ import {
   SetNewFeesIXLayout,
   StopRampAIXLayout,
   UnpauseIXLayout,
-} from ".";
-import type { StableSwapConfig } from "./common";
-import { buildInstruction } from "./common";
+} from "./layouts.js";
 
 /**
  * Admin instruction.

packages/stableswap-sdk/src/instructions/index.ts

@@ -1,4 +1,4 @@
-export * from "./admin";
-export type { StableSwapConfig } from "./common";
-export * from "./layouts";
-export * from "./swap";
+export * from "./admin.js";
+export type { StableSwapConfig } from "./common.js";
+export * from "./layouts.js";
+export * from "./swap.js";

packages/stableswap-sdk/src/instructions/layouts.ts

@@ -1,10 +1,10 @@
 import { Uint64Layout } from "@saberhq/token-utils";
 import * as BufferLayout from "@solana/buffer-layout";
 
-import type { RawFees } from "../state/layout";
-import { FeesLayout } from "../state/layout";
-import type { AdminInstruction } from ".";
-import type { StableSwapInstruction } from "./swap";
+import type { RawFees } from "../state/layout.js";
+import { FeesLayout } from "../state/layout.js";
+import type { AdminInstruction } from "./admin.js";
+import type { StableSwapInstruction } from "./swap.js";
 
 export const InitializeSwapIXLayout = BufferLayout.struct<{
   instruction: StableSwapInstruction.INITIALIZE;

packages/stableswap-sdk/src/instructions/swap.ts

@@ -1,17 +1,17 @@
 import type { u64 } from "@saberhq/token-utils";
 import type { PublicKey, TransactionInstruction } from "@solana/web3.js";
 
-import type { Fees, RawFees } from "../state";
-import { encodeFees, ZERO_FEES } from "../state";
-import type { StableSwapConfig } from "./common";
-import { buildInstruction } from "./common";
+import type { Fees, RawFees } from "../state/index.js";
+import { encodeFees, ZERO_FEES } from "../state/index.js";
+import type { StableSwapConfig } from "./common.js";
+import { buildInstruction } from "./common.js";
 import {
   DepositIXLayout,
   InitializeSwapIXLayout,
   SwapIXLayout,
   WithdrawIXLayout,
   WithdrawOneIXLayout,
-} from "./layouts";
+} from "./layouts.js";
 
 /**
  * Instruction enum.

packages/stableswap-sdk/src/stable-swap.ts

@@ -4,14 +4,14 @@ import { TOKEN_PROGRAM_ID } from "@saberhq/token-utils";
 import type { Connection, TransactionInstruction } from "@solana/web3.js";
 import { PublicKey } from "@solana/web3.js";
 
-import { SWAP_PROGRAM_ID } from "./constants";
-import type { IExchange } from "./entities/exchange";
-import type { StableSwapConfig } from "./instructions";
-import * as instructions from "./instructions";
-import type { StableSwapState } from "./state";
-import { decodeSwap } from "./state";
-import { StableSwapLayout } from "./state/layout";
-import { loadProgramAccount } from "./util/account";
+import { SWAP_PROGRAM_ID } from "./constants.js";
+import type { IExchange } from "./entities/exchange.js";
+import type { StableSwapConfig } from "./instructions/index.js";
+import * as instructions from "./instructions/index.js";
+import type { StableSwapState } from "./state/index.js";
+import { decodeSwap } from "./state/index.js";
+import { StableSwapLayout } from "./state/layout.js";
+import { loadProgramAccount } from "./util/account.js";
 
 export interface StableSwapInfo {
   config: StableSwapConfig;

packages/stableswap-sdk/src/state/fees.ts

@@ -1,6 +1,6 @@
 import { Percent, u64 } from "@saberhq/token-utils";
 
-import type { RawFees } from "./layout";
+import type { RawFees } from "./layout.js";
 
 export type Fees = {
   trade: Percent;

packages/stableswap-sdk/src/state/index.ts

@@ -1,13 +1,13 @@
 import { u64 } from "@saberhq/token-utils";
 import { PublicKey } from "@solana/web3.js";
 
-import type { SwapTokenInfo } from "../instructions/swap";
-import type { Fees } from "./fees";
-import { decodeFees } from "./fees";
-import { StableSwapLayout } from "./layout";
+import type { SwapTokenInfo } from "../instructions/swap.js";
+import type { Fees } from "./fees.js";
+import { decodeFees } from "./fees.js";
+import { StableSwapLayout } from "./layout.js";
 
-export * from "./fees";
-export * from "./layout";
+export * from "./fees.js";
+export * from "./layout.js";
 
 /**
  * State of a StableSwap, read from the swap account.

packages/stableswap-sdk/src/util/index.ts

@@ -1,2 +1,2 @@
-export * from "./account";
-export * from "./initialize";
+export * from "./account.js";
+export * from "./initialize.js";

packages/stableswap-sdk/src/util/initialize.ts

@@ -15,20 +15,20 @@ import type {
 } from "@solana/web3.js";
 import { Keypair, PublicKey, SystemProgram } from "@solana/web3.js";
 
-import { SWAP_PROGRAM_ID, ZERO_TS } from "../constants";
+import { SWAP_PROGRAM_ID, ZERO_TS } from "../constants.js";
 import type {
   InitializeSwapInstruction,
   SwapTokenInfo,
-} from "../instructions/swap";
-import { initializeSwapInstruction as createInitializeStableSwapInstruction } from "../instructions/swap";
-import { findSwapAuthorityKey, StableSwap } from "../stable-swap";
-import { ZERO_FEES } from "../state/fees";
-import { StableSwapLayout } from "../state/layout";
-import type { TransactionInstructions } from "./instructions";
+} from "../instructions/swap.js";
+import { initializeSwapInstruction as createInitializeStableSwapInstruction } from "../instructions/swap.js";
+import { findSwapAuthorityKey, StableSwap } from "../stable-swap.js";
+import { ZERO_FEES } from "../state/fees.js";
+import { StableSwapLayout } from "../state/layout.js";
+import type { TransactionInstructions } from "./instructions.js";
 import {
   createMutableTransactionInstructions,
   mergeInstructions,
-} from "./instructions";
+} from "./instructions.js";
 
 export type ISeedPoolAccountsFn = (args: {
   tokenAAccount: PublicKey;

tsconfig.json

@@ -4,5 +4,6 @@
     "noEmit": true,
     "jsxImportSource": "react",
     "types": ["jest"]
-  }
+  },
+  "include": ["packages/"]
 }