fix: use import type where possible (#91)

Author: fubhy

src/endpoint.ts

@@ -1,5 +1,5 @@
 import { fetchData, insertParams, stringifyQuery } from './utils'
-import { paths } from './types/api'
+import type { paths } from './types/api'
 
 type Primitive = string | number | boolean | null
 

src/index.ts

@@ -1,25 +1,25 @@
 import { callEndpoint } from './endpoint'
-import { operations } from './types/api'
-import {
+import type { operations } from './types/api'
+import type {
   SafeTransactionEstimation,
   TransactionDetails,
   TransactionListPage,
   SafeIncomingTransfersResponse,
   SafeModuleTransactionsResponse,
   SafeMultisigTransactionsResponse,
 } from './types/transactions'
-import {
+import type {
   FiatCurrencies,
   OwnedSafes,
   SafeBalanceResponse,
   SafeCollectibleResponse,
   SafeCollectiblesPage,
 } from './types/common'
-import { SafeInfo } from './types/safe-info'
-import { ChainListResponse, ChainInfo } from './types/chains'
-import { SafeAppsResponse } from './types/safe-apps'
-import { MasterCopyReponse } from './types/master-copies'
-import { DecodedDataResponse } from './types/decoded-data'
+import type { SafeInfo } from './types/safe-info'
+import type { ChainListResponse, ChainInfo } from './types/chains'
+import type { SafeAppsResponse } from './types/safe-apps'
+import type { MasterCopyReponse } from './types/master-copies'
+import type { DecodedDataResponse } from './types/decoded-data'
 import { DEFAULT_BASE_URL } from './config'
 
 export * from './types/safe-info'

src/types/api.ts

@@ -1,11 +1,11 @@
-import {
+import type {
   FiatCurrencies,
   OwnedSafes,
   SafeBalanceResponse,
   SafeCollectibleResponse,
   SafeCollectiblesPage,
 } from './common'
-import {
+import type {
   MultisigTransactionRequest,
   TransactionDetails,
   SafeTransactionEstimation,
@@ -15,11 +15,11 @@ import {
   SafeModuleTransactionsResponse,
   SafeMultisigTransactionsResponse,
 } from './transactions'
-import { SafeInfo } from './safe-info'
-import { ChainListResponse, ChainInfo } from './chains'
-import { SafeAppsResponse } from './safe-apps'
-import { DecodedDataRequest, DecodedDataResponse } from './decoded-data'
-import { MasterCopyReponse } from './master-copies'
+import type { SafeInfo } from './safe-info'
+import type { ChainListResponse, ChainInfo } from './chains'
+import type { SafeAppsResponse } from './safe-apps'
+import type { DecodedDataRequest, DecodedDataResponse } from './decoded-data'
+import type { MasterCopyReponse } from './master-copies'
 
 export interface paths {
   '/v1/chains/{chainId}/safes/{address}': {

src/types/chains.ts

@@ -1,4 +1,4 @@
-import { Page } from './common'
+import type { Page } from './common'
 
 export enum RPC_AUTHENTICATION {
   API_KEY_PATH = 'API_KEY_PATH',

src/types/safe-info.ts

@@ -1,4 +1,4 @@
-import { AddressEx } from './common'
+import type { AddressEx } from './common'
 
 export enum ImplementationVersionState {
   UP_TO_DATE = 'UP_TO_DATE',

src/types/transactions.ts

@@ -1,4 +1,4 @@
-import { AddressEx, Page, TokenInfo } from './common'
+import type { AddressEx, Page, TokenInfo } from './common'
 
 export type ParamValue = string | ParamValue[]
 

tsconfig.json

@@ -14,7 +14,8 @@
     "forceConsistentCasingInFileNames": true,
     "moduleResolution": "node",
     "resolveJsonModule": true,
-    "isolatedModules": true
+    "isolatedModules": true,
+    "importsNotUsedAsValues": "error",
   },
   "include": ["src"]
 }