feat: add-ts-declaration-files (#6)

* feat: add declaration file

* chore: update repo url

.changeset/strong-wombats-cross.md

@@ -0,0 +1,5 @@
+---
+'rollup-plugin-sourcemaps2': minor
+---
+
+chore: add declaration files

package.json

@@ -16,7 +16,7 @@
   "sideEffects": false,
   "repository": {
     "type": "git",
-    "url": "https://github.com/2wce/rollup-plugin-sourcemaps"
+    "url": "https://github.com/2wce/rollup-plugin-sourcemaps2"
   },
   "engines": {
     "node": ">=18.0.0"
@@ -28,7 +28,7 @@
     "prebuild": "npm run lint && npm run format && npm run typecheck",
     "lint": "eslint .",
     "format": "prettier --write .",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsc",
     "prepublishOnly": "npm run build",
     "preversion": "npm run test"
   },

src/__tests__/index.test.ts

@@ -6,7 +6,8 @@ import { rollup } from 'rollup';
 import ts from 'typescript';
 import util from 'util';
 
-import sourcemaps, { SourcemapsPluginOptions } from '..';
+import sourcemaps from '..';
+import { SourcemapsPluginOptions } from '../types';
 
 const inputPath = path.join(__dirname, '../index.ts');
 const inputText = fs.readFileSync(inputPath, 'utf8');

src/index.ts

@@ -1,17 +1,12 @@
-import pluginUtils, { CreateFilter } from '@rollup/pluginutils';
+import pluginUtils from '@rollup/pluginutils';
 import fs from 'fs';
 import { ExistingRawSourceMap, Plugin } from 'rollup';
 import { promisify } from 'util';
 import { resolveSourceMap, resolveSources } from './source-map-resolve';
+import { SourcemapsPluginOptions } from './types';
 
 const { createFilter } = pluginUtils;
 
-export interface SourcemapsPluginOptions {
-  include?: Parameters<CreateFilter>[0];
-  exclude?: Parameters<CreateFilter>[1];
-  readFile?(path: string, callback: (error: Error | null, data: Buffer | string) => void): void;
-}
-
 export default function sourcemaps({
   include,
   exclude,

src/source-map-resolve.ts

@@ -1,13 +1,7 @@
 import { ExistingRawSourceMap } from 'rollup';
 import * as urlLib from 'url';
 import decodeUriComponent from './decode-uri-component';
-
-interface ResolvedSourceMap {
-  map: ExistingRawSourceMap;
-  url: string | null;
-  sourcesRelativeTo: string;
-  sourceMappingURL: string;
-}
+import { ResolvedSourceMap, ResolvedSources } from './types';
 
 function resolveUrl(...args: string[]): string {
   return args.reduce((resolved, nextUrl) => urlLib.resolve(resolved, nextUrl), '');
@@ -54,11 +48,6 @@ export async function resolveSourceMap(
   return { sourceMappingURL, url, sourcesRelativeTo: url, map };
 }
 
-interface ResolvedSources {
-  sourcesResolved: string[];
-  sourcesContent: (string | Error)[];
-}
-
 export async function resolveSources(
   map: ExistingRawSourceMap,
   mapUrl: string,

src/types.ts

@@ -0,0 +1,20 @@
+import { CreateFilter } from '@rollup/pluginutils';
+import { ExistingRawSourceMap } from 'rollup';
+
+export interface ResolvedSources {
+  sourcesResolved: string[];
+  sourcesContent: (string | Error)[];
+}
+
+export interface ResolvedSourceMap {
+  map: ExistingRawSourceMap;
+  url: string | null;
+  sourcesRelativeTo: string;
+  sourceMappingURL: string;
+}
+
+export interface SourcemapsPluginOptions {
+  include?: Parameters<CreateFilter>[0];
+  exclude?: Parameters<CreateFilter>[1];
+  readFile?(path: string, callback: (error: Error | null, data: Buffer | string) => void): void;
+}

tsconfig.json

@@ -2,8 +2,9 @@
   "compilerOptions": {
     "target": "es2020",
     "declarationDir": "dist",
-    "rootDir": "src",
     "declaration": true,
+    "emitDeclarationOnly": true,
+    "rootDir": "src",
     "sourceMap": true,
     "inlineSources": true,
     "strict": true,
@@ -12,7 +13,8 @@
     "skipLibCheck": true,
     "module": "ESNext",
     "moduleResolution": "bundler",
-    "allowSyntheticDefaultImports": true
+    "allowSyntheticDefaultImports": true,
+    "types": ["node", "jest"]
   },
   "include": ["src"],
   "exclude": ["node_modules"]