fix(typescript): prepare for Rollup 3

BREAKING CHANGES: Requires Node 14

packages/typescript/README.md

@@ -13,7 +13,7 @@
 
 ## Requirements
 
-This plugin requires an [LTS](https://github.com/nodejs/Release) Node version (v8.0.0+) and Rollup v1.20.0+. This plugin also requires at least [TypeScript 3.7](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html).
+This plugin requires an [LTS](https://github.com/nodejs/Release) Node version (v14.0.0+) and Rollup v2.14.0+. This plugin also requires at least [TypeScript 3.7](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html).
 
 ## Install
 

packages/typescript/ava.config.mjs

@@ -0,0 +1 @@
+../../shared/ava.config.mjs

packages/typescript/package.json

@@ -13,10 +13,14 @@
   "author": "Oskar Segersvärd",
   "homepage": "https://github.com/rollup/plugins/tree/master/packages/typescript/#readme",
   "bugs": "https://github.com/rollup/plugins/issues",
-  "main": "dist/index.js",
-  "module": "dist/index.es.js",
+  "main": "./dist/cjs/index.js",
+  "module": "./dist/es/index.js",
+  "exports": {
+    "require": "./dist/cjs/index.js",
+    "import": "./dist/es/index.js"
+  },
   "engines": {
-    "node": ">=8.0.0"
+    "node": ">=14.0.0"
   },
   "scripts": {
     "build": "rollup -c",
@@ -33,7 +37,7 @@
     "test:ts": "tsc --noEmit"
   },
   "files": [
-    "dist",
+    "dist/**/*.{js,json}",
     "types",
     "README.md",
     "LICENSE"
@@ -45,27 +49,29 @@
     "es2015"
   ],
   "peerDependencies": {
-    "rollup": "^2.14.0",
+    "rollup": "^2.14.0||^3.0.0",
     "tslib": "*",
     "typescript": ">=3.7.0"
   },
   "peerDependenciesMeta": {
+    "rollup": {
+      "optional": true
+    },
     "tslib": {
       "optional": true
     }
   },
   "dependencies": {
-    "@rollup/pluginutils": "^3.1.0",
-    "resolve": "^1.17.0"
+    "@rollup/pluginutils": "^4.2.1",
+    "resolve": "^1.22.1"
   },
   "devDependencies": {
     "@rollup/plugin-buble": "^0.21.3",
-    "@rollup/plugin-commonjs": "^11.1.0",
-    "@rollup/plugin-typescript": "^5.0.2",
-    "@types/node": "^10.0.0",
+    "@rollup/plugin-commonjs": "^22.0.2",
+    "@types/node": "^14.18.30",
     "buble": "^0.20.0",
     "rollup": "^2.67.3",
-    "typescript": "^4.7.3"
+    "typescript": "^4.8.3"
   },
   "types": "types/index.d.ts"
 }

packages/typescript/rollup.config.mjs

@@ -0,0 +1,7 @@
+import { readFileSync } from 'fs';
+
+import { createConfig } from '../../shared/rollup.config.mjs';
+
+export default createConfig({
+  pkg: JSON.parse(readFileSync(new URL('./package.json', import.meta.url), 'utf8'))
+});

packages/typescript/src/customTransformers.ts

@@ -1,6 +1,6 @@
 import { BuilderProgram, CustomTransformers, Program, TypeChecker } from 'typescript';
 
-import { CustomTransformerFactories, TransformerStage, TransformerFactory } from '../types';
+import type { CustomTransformerFactories, TransformerStage, TransformerFactory } from '../types';
 
 /**
  * Merges all received custom transformer definitions into a single CustomTransformers object

packages/typescript/src/diagnostics/toWarning.ts

@@ -1,4 +1,4 @@
-import { RollupLogProps } from 'rollup';
+import { RollupWarning } from 'rollup';
 import type { Diagnostic, FormatDiagnosticsHost } from 'typescript';
 
 /**
@@ -13,7 +13,7 @@ export default function diagnosticToWarning(
   const message = ts.flattenDiagnosticMessageText(diagnostic.messageText, '\n');
 
   // Build a Rollup warning object from the diagnostics object.
-  const warning: RollupLogProps = {
+  const warning: RollupWarning = {
     pluginCode,
     message: `@rollup/plugin-typescript ${pluginCode}: ${message}`
   };

packages/typescript/src/index.ts

@@ -5,7 +5,7 @@ import { createFilter } from '@rollup/pluginutils';
 import { Plugin, RollupOptions, SourceDescription } from 'rollup';
 import type { Watch } from 'typescript';
 
-import { RollupTypescriptOptions } from '../types';
+import type { RollupTypescriptOptions } from '../types';
 
 import createFormattingHost from './diagnostics/host';
 import createModuleResolver from './moduleResolution';

packages/typescript/src/options/interfaces.ts

@@ -1,8 +1,8 @@
 import type { CompilerOptions } from 'typescript';
 
-import { PartialCompilerOptions } from '../../types';
+import type { PartialCompilerOptions } from '../../types';
 
-export { EnumCompilerOptions, JsonCompilerOptions } from '../../types';
+export type { EnumCompilerOptions, JsonCompilerOptions } from '../../types';
 export { PartialCompilerOptions };
 
 /** Typescript compiler options */

packages/typescript/src/options/plugin.ts

@@ -1,6 +1,6 @@
 import * as defaultTs from 'typescript';
 
-import { RollupTypescriptOptions, PartialCompilerOptions } from '../../types';
+import type { RollupTypescriptOptions, PartialCompilerOptions } from '../../types';
 import { getTsLibPath } from '../tslib';
 
 /**

packages/typescript/src/options/tsconfig.ts

@@ -15,7 +15,7 @@ import {
   WatchOptions
 } from 'typescript';
 
-import { RollupTypescriptOptions } from '../../types';
+import type { RollupTypescriptOptions } from '../../types';
 import diagnosticToWarning from '../diagnostics/toWarning';
 
 import {

packages/typescript/src/watchProgram.ts

@@ -10,7 +10,7 @@ import type {
   WriteFileCallback
 } from 'typescript';
 
-import { CustomTransformerFactories } from '../types';
+import type { CustomTransformerFactories } from '../types';
 
 import { buildDiagnosticReporter } from './diagnostics/emit';
 import { DiagnosticsHost } from './diagnostics/host';

packages/typescript/test/declarations.ts

@@ -1,4 +1,5 @@
-import test, { ExecutionContext } from 'ava';
+import test from 'ava';
+import type { ExecutionContext } from 'ava';
 import { rollup } from 'rollup';
 
 import typescript from '..';
@@ -22,7 +23,7 @@ test.serial('supports creating declaration files', async (t) => {
     ],
     onwarn
   });
-  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
+  const output = await getCode(bundle, { format: 'es', dir: 'fixtures/basic/dist' }, true);
   const declaration = output[1].source as string;
 
   t.deepEqual(
@@ -46,7 +47,7 @@ test.serial('supports creating declaration files in subfolder', async (t) => {
     ],
     onwarn
   });
-  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
+  const output = await getCode(bundle, { format: 'es', dir: 'fixtures/basic/dist' }, true);
   const declaration = output[1].source as string;
 
   t.deepEqual(
@@ -70,7 +71,7 @@ test.serial('supports creating declarations with non-default rootDir', async (t)
   });
   const output = await getCode(
     bundle,
-    { format: 'esm', dir: 'fixtures/declaration-root-dir/lib' },
+    { format: 'es', dir: 'fixtures/declaration-root-dir/lib' },
     true
   );
 
@@ -96,7 +97,7 @@ test.serial('supports creating declaration files for interface only source file'
 
   const output = await getCode(
     bundle,
-    { format: 'esm', dir: 'fixtures/export-interface-only/dist' },
+    { format: 'es', dir: 'fixtures/export-interface-only/dist' },
     true
   );
   const declaration = output[1].source as string;
@@ -128,7 +129,7 @@ test.serial('supports creating declaration files in declarationDir', async (t) =
     ],
     onwarn
   });
-  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
+  const output = await getCode(bundle, { format: 'es', dir: 'fixtures/basic/dist' }, true);
   const declaration = output[1].source as string;
 
   t.deepEqual(
@@ -154,14 +155,14 @@ async function ensureOutDirWhenCreatingDeclarationFiles(
     onwarn
   });
   const caughtError = await t.throwsAsync(() =>
-    getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true)
+    getCode(bundle, { format: 'es', dir: 'fixtures/basic/dist' }, true)
   );
 
   t.true(
-    caughtError.message.includes(
+    caughtError!.message.includes(
       `'outDir' or 'declarationDir' must be specified to generate declaration files`
     ),
-    `Unexpected error message: ${caughtError.message}`
+    `Unexpected error message: ${caughtError!.message}`
   );
 }