fix: incorrect typescript declarations

- Fixes data files declarations
- Renames all emitted .d.ts declarations to .d.mts
- Removes forced types conditional export
- Uses pathe in build configuration
- Includes build/*.ts to build tsconfig

build.config.ts

@@ -1,8 +1,18 @@
-import * as path from 'node:path'
+import * as fs from 'node:fs/promises'
+import * as path from 'pathe'
 import { defineBuildConfig } from 'unbuild'
 import chalk from 'chalk'
 import { generateLocaleData } from './build/localeData'
 
+async function fileExists(fp: string) {
+  try {
+    await fs.stat(fp)
+    return true
+  } catch {
+    return false
+  }
+}
+
 export default defineBuildConfig({
   entries: [
     {
@@ -19,21 +29,37 @@ export default defineBuildConfig({
         (entry) => entry.declaration,
       )
     },
-    'rollup:done'(ctx) {
+    async 'rollup:done'(ctx) {
       const isCI = process.env.ci || process.env.test
       // eslint-disable-next-line no-console
       console.info(
         `${isCI ? '[task]' : chalk.yellow('↯')} Generating locale data`,
       )
 
-      const outDir = path.join(process.cwd(), 'dist', 'locale-data')
+      const outDir = path.join(ctx.options.outDir, 'locale-data')
 
       const writtenFiles = generateLocaleData({ outDir })
 
       ctx.buildEntries.push({
-        path: outDir,
+        path: path.relative(ctx.options.outDir, outDir),
         bytes: writtenFiles.reduce((total, emit) => total + emit[1], 0),
       })
+
+      // fix incorrect .d.ts extension for .mjs files
+      for (const entry of ctx.buildEntries) {
+        if (path.extname(entry.path) !== '.mjs') continue
+
+        const dtsPath = path.resolve(
+          ctx.options.outDir,
+          entry.path.replace(/\.mjs$/, '.d.ts'),
+        )
+
+        if (!(await fileExists(dtsPath))) continue
+
+        const mdtsPath = dtsPath.replace(/\.d\.ts$/, '.d.mts')
+
+        await fs.rename(dtsPath, mdtsPath)
+      }
     },
   },
 })

build/localeData.ts

@@ -180,9 +180,8 @@ import { addLocaleData } from '../index.mjs';
 addLocaleData(${JSON.stringify(locale)}, data);`
 }
 
-const dataFileDTS = `declare const _default: Parameters<
-  typeof import('../index')['addLocaleData']
->[1]
+const dataFileDTS = `import type { addLocaleData } from '../index.mjs'
+declare const _default: Parameters<typeof addLocaleData>[1]
 export default _default`
 
 const exporterFileDTS = 'export {};'
@@ -220,10 +219,10 @@ export function generateLocaleData({
     const numbers = readJSONSync(path.join(localesDir, locale, 'numbers.json'))
 
     output(`${locale}.data.mjs`, generateDataFile(locale, numbers))
-    output(`${locale}.data.d.ts`, dataFileDTS)
+    output(`${locale}.data.d.mts`, dataFileDTS)
 
     output(`${locale}.mjs`, generateESMExporter(locale))
-    output(`${locale}.d.ts`, exporterFileDTS)
+    output(`${locale}.d.mts`, exporterFileDTS)
   }
 
   return writtenFiles

package.json

@@ -24,17 +24,13 @@
   "type": "module",
   "exports": {
     ".": {
-      "types": "./dist/index.d.ts",
       "import": "./dist/index.mjs"
     },
     "./locale-data/*": {
-      "types": "./dist/locale-data/*.d.ts",
       "import": "./dist/locale-data/*.mjs"
     },
     "./package.json": "./package.json"
   },
-  "module": "./dist/index.mjs",
-  "types": "./dist/index.d.ts",
   "files": [
     "dist"
   ],
@@ -59,6 +55,7 @@
     "cldr-numbers-modern": "^42.0.0",
     "eslint": "^8.36.0",
     "fs-extra": "^11.1.0",
+    "pathe": "^1.1.0",
     "prettier": "^2.8.4",
     "prettier-plugin-jsdoc": "^0.4.2",
     "semantic-release": "^20.1.1",

tsconfig.build.json

@@ -12,6 +12,7 @@
     "types": ["node"]
   },
   "include": [
+    "./build/*.ts",
     "./build.config.ts",
     "./vitest.config.ts",
     "./test/*.test.ts",