build(pkg): bundle dts files with rollup only

- https://github.com/Swatinem/rollup-plugin-dts
- dtsroll is not configurable, does not allow externalizing with `package.json`, and does not properly externalize `@types/*`

Signed-off-by: Lexus Drumgold <unicornware@flexdevelopment.llc>

Author: unicornware

package.json

@@ -122,7 +122,7 @@
   },
   "scripts": {
     "build": "yarn clean:build && tsc -p tsconfig.build.json --noEmit false && yarn bundle:dts && yarn minify:build",
-    "bundle:dts": "dtsroll --conditions=mlly && trash ./dist/{interfaces,types} && trash ./dist/{internal,lib}/index.d.mts || exit 0",
+    "bundle:dts": "rollup --config=rollup.config.mts && trash dist/{interfaces,types} && trash dist/{internal,lib}/*.d.mts",
     "check:ci": "yarn dedupe --check && yarn check:format && yarn check:lint && yarn check:spelling && yarn typecheck && yarn check:types && yarn test:cov && yarn pack && yarn check:types:build && attw package.tgz && yarn clean:pack",
     "check:format": "dprint check --incremental=false",
     "check:lint": "eslint --exit-on-fatal-error --max-warnings 0 .",
@@ -179,6 +179,7 @@
     "@flex-development/remark-preset": "1.0.0",
     "@flex-development/tsconfig-types": "5.1.0",
     "@flex-development/tutils": "6.0.0-alpha.25",
+    "@rollup/plugin-node-resolve": "16.0.3",
     "@tsconfig/strictest": "2.0.8",
     "@types/chai": "5.2.3",
     "@types/chai-string": "1.4.5",
@@ -195,7 +196,6 @@
     "cross-env": "10.1.0",
     "cspell": "9.6.4",
     "dprint": "0.51.1",
-    "dtsroll": "1.7.6",
     "editorconfig": "3.0.1",
     "esbuild": "0.27.3",
     "eslint": "9.39.2",
@@ -209,6 +209,8 @@
     "remark": "15.0.1",
     "remark-cli": "12.0.1",
     "remark-lint-maximum-heading-length": "4.1.1",
+    "rollup": "4.57.1",
+    "rollup-plugin-dts": "6.3.0",
     "sh-syntax": "0.5.8",
     "trash-cli": "7.2.0",
     "typescript": "5.9.3",

rollup.config.mts

@@ -0,0 +1,70 @@
+/**
+ * @file rollup
+ * @module config/rollup
+ */
+
+import nodeResolve from '@rollup/plugin-node-resolve'
+import type {
+  NormalizedOutputOptions,
+  OutputBundle,
+  PluginContext,
+  RollupOptions
+} from 'rollup'
+import { dts } from 'rollup-plugin-dts'
+import pkg from './package.json' with { type: 'json' }
+
+/**
+ * The target file.
+ *
+ * @const {string} file
+ */
+const file: string = './dist/index.d.mts'
+
+/**
+ * The rollup configuration.
+ *
+ * @see {@linkcode RollupOptions}
+ *
+ * @type {RollupOptions}
+ */
+export default {
+  external: Object.keys(pkg.dependencies),
+  input: file,
+  output: [{ file, format: 'esm' }],
+  plugins: [
+    nodeResolve({ extensions: ['.d.mts', '.mts'] }),
+    dts(),
+    {
+      /**
+       * Re-add lost `type` modifiers.
+       *
+       * The {@linkcode dts} plugin loses `type` modifiers during bundling.
+       *
+       * @see https://github.com/Swatinem/rollup-plugin-dts/issues/354
+       *
+       * @this {PluginContext}
+       *
+       * @param {NormalizedOutputOptions} options
+       *  The normalized output options
+       * @param {OutputBundle} bundle
+       *  The output bundle object
+       * @return {undefined}
+       */
+      generateBundle(
+        this: PluginContext,
+        options: NormalizedOutputOptions,
+        bundle: OutputBundle
+      ): undefined {
+        for (const output of Object.values(bundle)) {
+          if (output.type === 'chunk') {
+            output.code = output.code
+              .replaceAll('import *', 'import type *')
+              .replaceAll('import {', 'import type {')
+          }
+        }
+
+        return void this
+      }
+    }
+  ]
+}

yarn.lock

@@ -45,7 +45,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.21.4, @babel/code-frame@npm:^7.26.2":
+"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.21.4, @babel/code-frame@npm:^7.26.2, @babel/code-frame@npm:^7.27.1":
   version: 7.29.0
   resolution: "@babel/code-frame@npm:7.29.0"
   dependencies:
@@ -1853,6 +1853,7 @@ __metadata:
     "@flex-development/remark-preset": "npm:1.0.0"
     "@flex-development/tsconfig-types": "npm:5.1.0"
     "@flex-development/tutils": "npm:6.0.0-alpha.25"
+    "@rollup/plugin-node-resolve": "npm:16.0.3"
     "@tsconfig/strictest": "npm:2.0.8"
     "@types/chai": "npm:5.2.3"
     "@types/chai-string": "npm:1.4.5"
@@ -1870,7 +1871,6 @@ __metadata:
     cspell: "npm:9.6.4"
     devlop: "npm:1.1.0"
     dprint: "npm:0.51.1"
-    dtsroll: "npm:1.7.6"
     editorconfig: "npm:3.0.1"
     esbuild: "npm:0.27.3"
     eslint: "npm:9.39.2"
@@ -1884,6 +1884,8 @@ __metadata:
     remark: "npm:15.0.1"
     remark-cli: "npm:12.0.1"
     remark-lint-maximum-heading-length: "npm:4.1.1"
+    rollup: "npm:4.57.1"
+    rollup-plugin-dts: "npm:6.3.0"
     sh-syntax: "npm:0.5.8"
     trash-cli: "npm:7.2.0"
     typescript: "npm:5.9.3"
@@ -2645,7 +2647,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@rollup/plugin-node-resolve@npm:^16.0.3":
+"@rollup/plugin-node-resolve@npm:16.0.3":
   version: 16.0.3
   resolution: "@rollup/plugin-node-resolve@npm:16.0.3"
   dependencies:
@@ -4050,18 +4052,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"byte-size@npm:^9.0.1":
-  version: 9.0.1
-  resolution: "byte-size@npm:9.0.1"
-  peerDependencies:
-    "@75lb/nature": "*"
-  peerDependenciesMeta:
-    "@75lb/nature":
-      optional: true
-  checksum: 10/9554cb40e65480c88fc2568682132e67baa55a174441ad7c21c074d5f59f48c8a7bbee0086618debe08ca17b914bc4d9247ab05778d4d69a495e9ef196b95774
-  languageName: node
-  linkType: hard
-
 "cacache@npm:^20.0.1":
   version: 20.0.3
   resolution: "cacache@npm:20.0.3"
@@ -4302,16 +4292,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cleye@npm:^2.2.1":
-  version: 2.2.1
-  resolution: "cleye@npm:2.2.1"
-  dependencies:
-    terminal-columns: "npm:^2.0.0"
-    type-flag: "npm:^4.0.3"
-  checksum: 10/4d24a7e4863d38b9a40c01ca332baa7526b320c14fc488e7fb2d3f54b0ad5baa8c5defa6fc6adc079f50f629409056d9da74be6611f6394b709c9062d39b2216
-  languageName: node
-  linkType: hard
-
 "cli-highlight@npm:^2.1.11":
   version: 2.1.11
   resolution: "cli-highlight@npm:2.1.11"
@@ -4506,13 +4486,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"convert-source-map@npm:^2.0.0":
-  version: 2.0.0
-  resolution: "convert-source-map@npm:2.0.0"
-  checksum: 10/c987be3ec061348cdb3c2bfb924bec86dea1eacad10550a85ca23edb0fe3556c3a61c7399114f3331ccb3499d7fd0285ab24566e5745929412983494c3926e15
-  languageName: node
-  linkType: hard
-
 "cookie@npm:^1.0.2":
   version: 1.1.1
   resolution: "cookie@npm:1.1.1"
@@ -4955,30 +4928,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"dtsroll@npm:1.7.6":
-  version: 1.7.6
-  resolution: "dtsroll@npm:1.7.6"
-  dependencies:
-    "@rollup/plugin-node-resolve": "npm:^16.0.3"
-    byte-size: "npm:^9.0.1"
-    cleye: "npm:^2.2.1"
-    convert-source-map: "npm:^2.0.0"
-    empathic: "npm:^2.0.0"
-    resolve-pkg-maps: "npm:^1.0.0"
-    rollup: "npm:^4.55.3"
-    rollup-plugin-import-trace: "npm:^1.0.0"
-  peerDependencies:
-    typescript: ^4.5 || ^5.0
-    vite: 5 || 6 || 7
-  peerDependenciesMeta:
-    vite:
-      optional: true
-  bin:
-    dtsroll: dist/cli.mjs
-  checksum: 10/8e025ef2a2c6fcb0fd642d972de2d0b1db367c2f383155c79f5dfcc798e01e7e4dbb3729b38a8a2d9cdfc54d0fdeb515945ec61dd63a7a5f70518015eb216704
-  languageName: node
-  linkType: hard
-
 "dunder-proto@npm:^1.0.0, dunder-proto@npm:^1.0.1":
   version: 1.0.1
   resolution: "dunder-proto@npm:1.0.1"
@@ -5046,13 +4995,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"empathic@npm:^2.0.0":
-  version: 2.0.0
-  resolution: "empathic@npm:2.0.0"
-  checksum: 10/90f47d93f8d1db3aa00ce1bfae2940bf76379dbb34bd562edbd92c3564a173cb1d6bd3cadb645fad0224839c25886abde801155d9b972dda6add7a5cc8b35d48
-  languageName: node
-  linkType: hard
-
 "encoding@npm:^0.1.13":
   version: 0.1.13
   resolution: "encoding@npm:0.1.13"
@@ -10624,22 +10566,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rollup-plugin-import-trace@npm:^1.0.0":
-  version: 1.0.0
-  resolution: "rollup-plugin-import-trace@npm:1.0.0"
+"rollup-plugin-dts@npm:6.3.0":
+  version: 6.3.0
+  resolution: "rollup-plugin-dts@npm:6.3.0"
+  dependencies:
+    "@babel/code-frame": "npm:^7.27.1"
+    magic-string: "npm:^0.30.21"
   peerDependencies:
-    rollup: ^3.0.0 || ^4.0.0
-    vite: ^5.0.0 || ^6.0.0 || ^7.0.0
-  peerDependenciesMeta:
-    rollup:
-      optional: true
-    vite:
+    rollup: ^3.29.4 || ^4
+    typescript: ^4.5 || ^5.0
+  dependenciesMeta:
+    "@babel/code-frame":
       optional: true
-  checksum: 10/5555c4b1c32a710cfc869d5bf8910af88060b8afbdae9c7c282a9c490104eee47004a651f33bcdf44ebb99bee76c6f487d2ca168fb90c883e18a4a35b43b7b15
+  checksum: 10/1b2b25126eee0c4e7f59d82ee5850b0c5779a1a0bb77d677798e20a3d29dba76d1a19a73300ed5b20aab02f6888ecc4209a95b07f6cc9c1b80af14bdcbeda5b9
   languageName: node
   linkType: hard
 
-"rollup@npm:*, rollup@npm:^4.43.0, rollup@npm:^4.55.3":
+"rollup@npm:*, rollup@npm:4.57.1, rollup@npm:^4.43.0":
   version: 4.57.1
   resolution: "rollup@npm:4.57.1"
   dependencies:
@@ -11413,13 +11356,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"terminal-columns@npm:^2.0.0":
-  version: 2.0.0
-  resolution: "terminal-columns@npm:2.0.0"
-  checksum: 10/f958993886e09d7c0780f47833316532a0c7dd7db2fb43da9d34a88c821633408a6e7084af59f99c20b045776814748f14a8e33573886186be7a30174092964f
-  languageName: node
-  linkType: hard
-
 "text-table@npm:^0.2.0":
   version: 0.2.0
   resolution: "text-table@npm:0.2.0"
@@ -11660,13 +11596,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"type-flag@npm:^4.0.3":
-  version: 4.0.3
-  resolution: "type-flag@npm:4.0.3"
-  checksum: 10/ffa9e56e50ed73ed802aa45b8d47eeba7677d2d66785e9153bfbc758c2613b6ba78b621d7766b713a287dbbe6758a61000f57d2ce8afc94e1876a37de914c73c
-  languageName: node
-  linkType: hard
-
 "typed-array-buffer@npm:^1.0.3":
   version: 1.0.3
   resolution: "typed-array-buffer@npm:1.0.3"