diff --git a/.gitignore b/.gitignore
index 1a47d196..d4864ebb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,5 +4,6 @@ node_modules
 coverage
 projs.js
 .DS_STORE
-dist
+dist/*
+!dist/index.d.ts
 .nyc_output/
diff --git a/README.md b/README.md
index 903ffd67..eab84fa3 100644
--- a/README.md
+++ b/README.md
@@ -176,14 +176,6 @@ await proj4.nadgrid('ca_nrc_NA83SCRS.tif', tiff).ready;
 
 Then use the given key in your definition, e.g. `proj4.defs("EPSG:32188","+proj=tmerc +lat_0=0 +lon_0=-73.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=GRS80 +nadgrids=ca_nrc_NA83SCRS.tif +units=m +no_defs +type=crs");` noting the `+nadgrids=ca_nrc_NA83SCRS.tif` parameter.
 
-## TypeScript
-
-TypeScript implementation was added to the [DefinitelyTyped repository](https://github.com/DefinitelyTyped/DefinitelyTyped).
-
-```bash
-$ npm install --save @types/proj4
-```
-
 ## Developing
 To set up build tools make sure you have node and grunt-cli installed and then run `npm install`.
 
diff --git a/bower.json b/bower.json
index a377e69b..1b889b7b 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "proj4",
-  "version": "2.19.6-alpha",
+  "version": "2.19.11-alpha",
   "description": "Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.",
   "homepage": "https://github.com/proj4js/proj4js",
   "main": "dist/proj4.js",
diff --git a/changelog.md b/changelog.md
index 7901d495..c501b379 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,7 @@
 Change log
 ===
+- 2.19.0: TypeScript type definitions are now included. When upgrading, please uninstall the `@types/proj4` package.
+
 - 2.2.1: Documentation fixes and added proj4.defs('name') as an alias for proj4.defs['name'];
 
 - 2.1.4: dist folder is added back in after accidentally omitting it in 2.1.1
diff --git a/component.json b/component.json
index 2e19e022..885f8295 100644
--- a/component.json
+++ b/component.json
@@ -1,6 +1,6 @@
 {
   "name": "proj4",
-  "version": "2.19.6-alpha",
+  "version": "2.19.11-alpha",
   "description": "Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.",
   "repo": "proj4js/proj4js",
   "keywords": [
diff --git a/dist/.gitignore b/dist/.gitignore
deleted file mode 100644
index e69de29b..00000000
diff --git a/dist/index.d.ts b/dist/index.d.ts
new file mode 100644
index 00000000..af8e7bed
--- /dev/null
+++ b/dist/index.d.ts
@@ -0,0 +1,6 @@
+// Legacy type definitions for CommonJS support
+import proj4 from './lib/';
+export type { ProjectionDefinition, TemplateCoordinates, InterfaceCoordinates, Converter, DatumDefinition } from './lib/';
+//@ts-ignore
+export = proj4;
+export as namespace proj4;
diff --git a/index.d.ts b/index.d.ts
index 5b92ff9e..9dea239a 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -2,5 +2,5 @@ import proj4 from "./lib/index";
 export type { ProjectionDefinition } from "./lib/defs";
 export type { Converter, InterfaceCoordinates, TemplateCoordinates } from "./lib/core";
 export type { DatumDefinition } from "./lib/Proj";
-export = proj4;
+export default proj4;
 export as namespace proj4;
\ No newline at end of file
diff --git a/lib/index.js b/lib/index.js
index 8e7c6b11..4de9922a 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -15,6 +15,14 @@ import includedProjections from '../projs';
  * @property {(mgrsString: string) => [number, number]} toPoint
  */
 
+/**
+ * @typedef {import('./defs').ProjectionDefinition} ProjectionDefinition
+ * @typedef {import('./core').TemplateCoordinates} TemplateCoordinates
+ * @typedef {import('./core').InterfaceCoordinates} InterfaceCoordinates
+ * @typedef {import('./core').Converter} Converter
+ * @typedef {import('./Proj').DatumDefinition} DatumDefinition
+ */
+
 /**
  * @template {import('./core').TemplateCoordinates} T
  * @type {core<T> & {defaultDatum: string, Proj: typeof Proj, WGS84: Proj, Point: typeof Point, toPoint: typeof common, defs: typeof defs, nadgrid: typeof nadgrid, transform: typeof transform, mgrs: Mgrs, version: string}}
diff --git a/package-lock.json b/package-lock.json
index 8faa1e51..e425d593 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "proj4",
-  "version": "2.19.6-alpha",
+  "version": "2.19.11-alpha",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "proj4",
-      "version": "2.19.6-alpha",
+      "version": "2.19.11-alpha",
       "license": "MIT",
       "dependencies": {
         "mgrs": "1.0.0",
@@ -28,7 +28,6 @@
         "nyc": "^17.1.0",
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         "rollup": "^4.9.6",
-        "shx": "^0.4.0",
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@@ -4312,16 +4196,6 @@
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     "node_modules/mitt": {
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@@ -4477,13 +4351,6 @@
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@@ -4525,29 +4392,6 @@
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@@ -9238,12 +8933,6 @@
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-    },
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@@ -9637,12 +9303,6 @@
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@@ -10151,39 +9811,6 @@
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-        "interpret": "^1.0.0",
-        "rechoir": "^0.6.2"
-      },
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-        "rechoir": {
-          "version": "0.6.2",
-          "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.6.2.tgz",
-          "integrity": "sha512-HFM8rkZ+i3zrV+4LQjwQ0W+ez98pApMGM3HUrN04j3CqzPOzl9nmP15Y8YXNm8QHGv/eacOVEjqhmWpkRV0NAw==",
-          "dev": true,
-          "requires": {
-            "resolve": "^1.1.6"
-          }
-        }
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-    "shx": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/shx/-/shx-0.4.0.tgz",
-      "integrity": "sha512-Z0KixSIlGPpijKgcH6oCMCbltPImvaKy0sGH8AkLRXw1KyzpKtaCTizP2xen+hNDqVF4xxgvA0KXSb9o4Q6hnA==",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.8",
-        "shelljs": "^0.9.2"
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     "signal-exit": {
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@@ -10308,12 +9935,6 @@
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-    "strip-eof": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
-      "integrity": "sha512-7FCwGGmx8mD5xQd3RPUvnSpUXHM3BWuzjtpD4TXsfcZ9EL4azvVVUscFYwD9nx8Kh+uCBC00XBtAykoMHwTh8Q==",
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diff --git a/package.json b/package.json
index e9d554d2..02b8f9aa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "proj4",
-  "version": "2.19.6-alpha",
+  "version": "2.19.11-alpha",
   "description": "Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.",
   "homepage": "https://proj4js.github.io/proj4js/",
   "main": "dist/proj4-src.js",
@@ -9,7 +9,7 @@
   "funding": "https://github.com/sponsors/ahocevar",
   "scripts": {
     "prepare": "npm run test",
-    "build": "grunt && npm run rollup && shx cp index.d.ts dist/",
+    "build": "grunt && npm run rollup",
     "build:tmerc": "grunt build:tmerc && npm run rollup",
     "rollup": "rollup -c",
     "pretest": "npm run lint && npm run types",
@@ -44,7 +44,6 @@
     "nyc": "^17.1.0",
     "puppeteer": "^24.2.0",
     "rollup": "^4.9.6",
-    "shx": "^0.4.0",
     "typescript": "^5.8.3"
   },
   "dependencies": {

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