fix(client): use explicit file extensions in _shims imports

build

@@ -12,6 +12,7 @@ rm -rf dist; mkdir dist
 # Copy src to dist/src and build from dist/src into dist, so that
 # the source map for index.js.map will refer to ./src/index.ts etc
 cp -rp src README.md dist
+rm dist/src/_shims/*-deno.*
 for file in LICENSE CHANGELOG.md; do
   if [ -e "${file}" ]; then cp "${file}" dist; fi
 done

jest.config.js

@@ -4,7 +4,7 @@ module.exports = {
   testEnvironment: 'node',
   moduleNameMapper: {
     '^@anthropic-ai/sdk$': '<rootDir>/src/index.ts',
-    '^@anthropic-ai/sdk/_shims/(.*)$': '<rootDir>/src/_shims/$1.node',
+    '^@anthropic-ai/sdk/_shims/(.*)$': '<rootDir>/src/_shims/$1-node',
     '^@anthropic-ai/sdk/(.*)$': '<rootDir>/src/$1',
   },
   modulePathIgnorePatterns: ['<rootDir>/ecosystem-tests/', '<rootDir>/dist/', '<rootDir>/deno_tests/'],

package.json

@@ -10,10 +10,9 @@
   "license": "MIT",
   "private": false,
   "exports": {
-    "./_shims/*": {
+    "./_shims/*.mjs": {
       "deno": {
         "types": "./dist/_shims/*.d.ts",
-        "require": "./dist/_shims/*.js",
         "default": "./dist/_shims/*.mjs"
       },
       "bun": {
@@ -23,28 +22,47 @@
       },
       "browser": {
         "types": "./dist/_shims/*.d.ts",
-        "require": "./dist/_shims/*.js",
         "default": "./dist/_shims/*.mjs"
       },
       "worker": {
         "types": "./dist/_shims/*.d.ts",
-        "require": "./dist/_shims/*.js",
         "default": "./dist/_shims/*.mjs"
       },
       "workerd": {
         "types": "./dist/_shims/*.d.ts",
-        "require": "./dist/_shims/*.js",
         "default": "./dist/_shims/*.mjs"
       },
       "node": {
-        "types": "./dist/_shims/*.node.d.ts",
-        "require": "./dist/_shims/*.node.js",
-        "default": "./dist/_shims/*.node.mjs"
+        "types": "./dist/_shims/*-node.d.ts",
+        "default": "./dist/_shims/*-node.mjs"
       },
       "types": "./dist/_shims/*.d.ts",
-      "require": "./dist/_shims/*.js",
       "default": "./dist/_shims/*.mjs"
     },
+    "./_shims/*.js": {
+      "deno": {
+        "types": "./dist/_shims/*.d.ts",
+        "default": "./dist/_shims/*.js"
+      },
+      "browser": {
+        "types": "./dist/_shims/*.d.ts",
+        "default": "./dist/_shims/*.js"
+      },
+      "worker": {
+        "types": "./dist/_shims/*.d.ts",
+        "default": "./dist/_shims/*.js"
+      },
+      "workerd": {
+        "types": "./dist/_shims/*.d.ts",
+        "default": "./dist/_shims/*.js"
+      },
+      "node": {
+        "types": "./dist/_shims/*-node.d.ts",
+        "default": "./dist/_shims/*-node.js"
+      },
+      "types": "./dist/_shims/*.d.ts",
+      "default": "./dist/_shims/*.js"
+    },
     ".": {
       "require": {
         "types": "./dist/index.d.ts",

scripts/replace-self-referencing-imports.js

@@ -2,14 +2,21 @@
 Object.defineProperty(exports, '__esModule', { value: true });
 
 const path = require('path');
-const distSrcDir = path.resolve(__dirname, '..', 'dist', 'src');
+const distDir = path.resolve(__dirname, '..', 'dist');
+const distSrcDir = path.join(distDir, 'src');
 
 function replaceSelfReferencingImports({ orig, file, config }) {
   // replace self-referencing imports in source files to reduce errors users will
   // see if they go to definition
-  if (!file.startsWith(distSrcDir)) return orig;
+  if (!file.startsWith(distDir)) return orig;
+
   return orig.replace(/['"]([^"'\r\n]+)['"]/, (match, importPath) => {
     if (!importPath.startsWith('@anthropic-ai/sdk/')) return match;
+    if (!file.startsWith(distSrcDir)) {
+      const ext = file.endsWith('.d.ts') ? '' : path.extname(file);
+      const { dir, base } = path.parse(importPath);
+      return JSON.stringify(`${dir}/${base}${ext}`);
+    }
     let relativePath = path.relative(
       path.dirname(file),
       path.join(distSrcDir, importPath.substring('@anthropic-ai/sdk/'.length)),

scripts/resolve-full-paths.js

@@ -0,0 +1,16 @@
+'use strict';
+Object.defineProperty(exports, '__esModule', { value: true });
+
+const path = require('path');
+
+// tsc-alias --resolveFullPaths is buggy, it replaces 'formdata-node'
+// with 'formdata-node.js' because we have a file with that name
+function resolveFullPaths({ orig, file, config }) {
+  return orig.replace(/['"]([^"'\r\n]+)['"]/, (match, importPath) => {
+    if (!importPath.startsWith('.')) return match;
+    const { dir, name } = path.parse(importPath);
+    const ext = /\.mjs$/.test(file) ? '.mjs' : '.js';
+    return JSON.stringify(`${dir}/${name}${ext}`);
+  });
+}
+exports.default = resolveFullPaths;

src/_shims/agent.ts

@@ -2,7 +2,7 @@
  * Disclaimer: modules in _shims aren't intended to be imported by SDK users.
  *
  * This is a stub for non-node environments.
- * In node environments, it gets replaced agent.node.ts by the package export map
+ * In node environments, it gets replaced agent-node.ts by the package export map
  */
 
 export type Agent = any;

src/_shims/fileFromPath.node.ts → src/_shims/fileFromPath-node.ts

@@ -3,7 +3,7 @@
  */
 
 import { fileFromPath as _fileFromPath } from 'formdata-node/file-from-path';
-import type { File, FilePropertyBag } from './formdata.node';
+import type { File, FilePropertyBag } from './form-data-node';
 
 export type FileFromPathOptions = Omit<FilePropertyBag, 'lastModified'>;
 

src/_shims/fileFromPath.ts

@@ -1,11 +1,11 @@
 /**
  * Disclaimer: modules in _shims aren't intended to be imported by SDK users.
  *
- * This is a stub that gets replaced by fileFromPath.node.js for node environments
+ * This is a stub that gets replaced by fileFromPath-node.js for node environments
  * in the package export map
  */
 
-import type { FilePropertyBag, File } from './formdata';
+import type { FilePropertyBag, File } from './form-data';
 
 export type FileFromPathOptions = Omit<FilePropertyBag, 'lastModified'>;
 

src/_shims/getMultipartRequestOptions.node.ts → src/_shims/getMultipartRequestOptions-node.ts

@@ -2,7 +2,7 @@
  * Disclaimer: modules in _shims aren't intended to be imported by SDK users.
  */
 
-import { FormData } from './formdata.node';
+import { FormData } from './form-data-node';
 import type { RequestOptions } from '../core';
 import { Readable } from 'node:stream';
 import { FormDataEncoder } from 'form-data-encoder';

src/_shims/getMultipartRequestOptions.ts

@@ -2,7 +2,7 @@
  * Disclaimer: modules in _shims aren't intended to be imported by SDK users.
  */
 
-import { FormData } from './formdata';
+import { FormData } from './form-data';
 import type { RequestOptions } from '../core';
 import { MultipartBody } from '../uploads';
 

src/uploads.ts

@@ -1,7 +1,7 @@
 import { type RequestOptions } from './core';
 import { type Readable } from '@anthropic-ai/sdk/_shims/node-readable';
 import { type BodyInit } from '@anthropic-ai/sdk/_shims/fetch';
-import { FormData, File, type Blob, type FilePropertyBag } from '@anthropic-ai/sdk/_shims/formdata';
+import { FormData, File, type Blob, type FilePropertyBag } from '@anthropic-ai/sdk/_shims/form-data';
 import { getMultipartRequestOptions } from '@anthropic-ai/sdk/_shims/getMultipartRequestOptions';
 import { fileFromPath } from '@anthropic-ai/sdk/_shims/fileFromPath';
 import { type FsReadStream, isFsReadStream } from '@anthropic-ai/sdk/_shims/node-readable';

tests/form.test.ts

@@ -1,5 +1,5 @@
 import { multipartFormRequestOptions, createForm } from '@anthropic-ai/sdk/core';
-import { Blob } from '@anthropic-ai/sdk/_shims/formdata';
+import { Blob } from '@anthropic-ai/sdk/_shims/form-data';
 import { toFile } from '@anthropic-ai/sdk';
 
 describe('form data validation', () => {

tests/uploads.test.ts

@@ -1,6 +1,6 @@
 import fs from 'fs';
 import { toFile, type ResponseLike } from '@anthropic-ai/sdk/uploads';
-import { File } from '@anthropic-ai/sdk/_shims/formdata';
+import { File } from '@anthropic-ai/sdk/_shims/form-data';
 
 class MyClass {
   name: string = 'foo';

tsconfig.build.json

@@ -5,7 +5,7 @@
   "compilerOptions": {
     "rootDir": "./dist/src",
     "paths": {
-      "@anthropic-ai/sdk/_shims/*": ["dist/src/_shims/*.node"],
+      "@anthropic-ai/sdk/_shims/*": ["dist/src/_shims/*-node"],
       "@anthropic-ai/sdk": ["dist/src/index.ts"],
       "@anthropic-ai/sdk/*": ["dist/src/*"],
       "digest-fetch": ["./typings/digest-fetch"]
@@ -18,14 +18,17 @@
     "sourceMap": true
   },
   "tsc-alias": {
-    "resolveFullPaths": true,
     "fileExtensions": {
       "inputGlob": "{mjs,cjs,js,jsx,mts,cts,ts,tsx}"
     },
     "replacers": {
-      "replace-absolute-imports": {
+      "replace-self-referencing-imports": {
         "enabled": true,
         "file": "./scripts/replace-self-referencing-imports.js"
+      },
+      "resolve-full-paths": {
+        "enabled": true,
+        "file": "./scripts/resolve-full-paths.js"
       }
     }
   }

tsconfig.json

@@ -9,7 +9,7 @@
     "esModuleInterop": true,
     "baseUrl": "./",
     "paths": {
-      "@anthropic-ai/sdk/_shims/*": ["src/_shims/*.node"],
+      "@anthropic-ai/sdk/_shims/*": ["src/_shims/*-node"],
       "@anthropic-ai/sdk": ["src/index.ts"],
       "@anthropic-ai/sdk/*": ["src/*"],
       "digest-fetch": ["./typings/digest-fetch"]