fix: use dts-bundle-generator for rollup ts files

dts-config.js

@@ -0,0 +1,42 @@
+const path = require('path')
+const fs = require('fs')
+
+const NGX_META_DIR = path.join('.', 'projects', 'ngx-meta')
+const NGX_META_SRC_DIR = path.join(NGX_META_DIR, 'src')
+
+const getDirectories = (source) =>
+  fs
+    .readdirSync(source, { withFileTypes: true })
+    .filter((dirent) => dirent.isDirectory())
+    .map((dirent) => dirent.name)
+const getFiles = (source) => fs.readdirSync(source)
+
+console.info('ℹ️ Looking for entry points')
+const NG_PACKAGE_JSON_FILENAME = 'ng-package.json'
+const ngxMetaSrcSubdirectories = getDirectories(NGX_META_SRC_DIR)
+const ngxMetaEntrypoints = ngxMetaSrcSubdirectories.filter((subDirectory) => {
+  const ngxMetaSrcSubdirectory = path.join(NGX_META_SRC_DIR, subDirectory)
+  const files = getFiles(ngxMetaSrcSubdirectory)
+  return files.includes(NG_PACKAGE_JSON_FILENAME)
+})
+ngxMetaEntrypoints.forEach((entrypoint) => {
+  console.info('- ', entrypoint)
+})
+
+const NGX_META_DIST_DIR = path.join(NGX_META_DIR, 'dist')
+const entries = ngxMetaEntrypoints.map((entrypoint) => ({
+  filePath: path.join(NGX_META_DIST_DIR, entrypoint, 'index.d.ts'),
+  outFile: path.join(NGX_META_DIST_DIR, entrypoint, 'bundled.d.ts'),
+  output: {
+    exportReferencedTypes: false,
+  },
+}))
+
+const config = {
+  compilationOptions: {
+    preferredConfigPath: path.join(NGX_META_SRC_DIR, 'tsconfig.lib.prod.json'),
+  },
+  entries,
+}
+
+module.exports = config

package.json

@@ -4,11 +4,10 @@
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
-    "build": "ng build",
+    "build": "ng build && ./postbuild.sh",
     "watch": "ng build --watch --configuration development",
     "test": "ng test",
     "lint": "ng lint",
-    "ngx-meta:build": "ng build ngx-meta",
     "ngx-meta:test": "ng test ngx-meta",
     "ngx-meta:lint": "ng lint ngx-meta",
     "ngx-meta:tsc": "pnpm run '/ngx-meta:tsc:.*/'",
@@ -63,6 +62,7 @@
     "@typescript-eslint/eslint-plugin": "7.1.1",
     "@typescript-eslint/parser": "7.1.1",
     "conventional-changelog-conventionalcommits": "7.0.2",
+    "dts-bundle-generator": "9.3.1",
     "eslint": "8.57.0",
     "eslint-config-prettier": "9.1.0",
     "husky": "9.0.11",

postbuild.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env sh
+# Commands to run after building
+set -eu
+
+# ngx-meta Typescript definitions rollup
+echo "ℹ️ Bundling Typescript definitions"
+dts-bundle-generator --config dts-config.js
+
+# Replace `index.d.ts` with bundled definitions
+echo "ℹ️ Replacing Typescript index files with bundled definitions"
+NGX_META_DIST_DIR="projects/ngx-meta/dist"
+for dist_file_entry in "$NGX_META_DIST_DIR"/*; do
+  BUNDLED_DEFINITIONS_FILENAME="bundled.d.ts"
+  INDEX_DEFINITIONS_FILENAME="index.d.ts"
+  bundled_definitions_file="$dist_file_entry/$BUNDLED_DEFINITIONS_FILENAME"
+  index_definitions_file="$dist_file_entry/$INDEX_DEFINITIONS_FILENAME"
+  if [ -f "$bundled_definitions_file" ]; then
+    echo "- $bundled_definitions_file -> $index_definitions_file"
+    mv "$bundled_definitions_file" "$index_definitions_file"
+  fi
+done
+
+# Remove Typescript source directories
+echo "ℹ️ Removing Typescript source directories"
+for dist_file_entry in "$NGX_META_DIST_DIR"/*; do
+  entrypoint_src_dir="$dist_file_entry/src"
+  if [ -d "$entrypoint_src_dir" ]; then
+    echo "- $entrypoint_src_dir"
+    rm -rf "$entrypoint_src_dir"
+  fi
+done