From c31cfc81582dd7b43a0d2e6df535af48acb58979 Mon Sep 17 00:00:00 2001
From: dsinghvi <deep@usebirch.com>
Date: Tue, 28 May 2024 14:02:57 +0200
Subject: [PATCH] (fix, template-resolver): publish ESM + CJS compatible lib

---
 packages/template-resolver/package.json       | 12 ++++++---
 .../scripts/writePackageJson.js               | 25 +++++++++++++++++++
 packages/template-resolver/tsconfig.cjs.json  |  6 +++++
 .../{tsconfig.json => tsconfig.esm.json}      |  2 +-
 .../template-resolver/tsconfig.types.json     |  6 +++++
 5 files changed, 47 insertions(+), 4 deletions(-)
 create mode 100644 packages/template-resolver/scripts/writePackageJson.js
 create mode 100644 packages/template-resolver/tsconfig.cjs.json
 rename packages/template-resolver/{tsconfig.json => tsconfig.esm.json} (69%)
 create mode 100644 packages/template-resolver/tsconfig.types.json

diff --git a/packages/template-resolver/package.json b/packages/template-resolver/package.json
index da61e3905c..9672fbf0dc 100644
--- a/packages/template-resolver/package.json
+++ b/packages/template-resolver/package.json
@@ -6,11 +6,9 @@
   "files": [
     "dist"
   ],
-  "type": "module",
-  "module": "dist/src/index.js",
   "source": "src/index.ts",
   "scripts": {
-    "compile": "tsc --build",
+    "compile": "tsc --build ./tsconfig.cjs.json ./tsconfig.esm.json ./tsconfig.types.json && node ./scripts/writePackageJson.js ",
     "clean": "rm -rf ./dist && tsc --build --clean",
     "format": "prettier --write --ignore-unknown --ignore-path ../../shared/.prettierignore \"**\"",
     "format:check": "prettier --check --ignore-unknown --ignore-path ../../shared/.prettierignore \"**\"",
@@ -36,5 +34,13 @@
     "organize-imports-cli": "^0.10.0",
     "prettier": "^2.7.1",
     "typescript": "5.4.3"
+  },
+  "exports": {
+    ".": {
+      "types": "./dist/types/index.d.ts",
+      "require": "./dist/cjs/index.js",
+      "import": "./dist/esm/index.js",
+      "default": "./dist/esm/index.js"
+    }
   }
 }
diff --git a/packages/template-resolver/scripts/writePackageJson.js b/packages/template-resolver/scripts/writePackageJson.js
new file mode 100644
index 0000000000..ee709aa229
--- /dev/null
+++ b/packages/template-resolver/scripts/writePackageJson.js
@@ -0,0 +1,25 @@
+const fs = require("fs");
+const path = require("path");
+
+const buildDir = "./dist";
+function createEsmModulePackageJson() {
+    fs.readdir(buildDir, function (err, dirs) {
+        if (err) {
+            throw err;
+        }
+        dirs.forEach(function (dir) {
+            if (dir === "esm") {
+                var packageJsonFile = path.join(buildDir, dir, "/package.json");
+                if (!fs.existsSync(packageJsonFile)) {
+                    fs.writeFile(packageJsonFile, new Uint8Array(Buffer.from('{"type": "module"}')), function (err) {
+                        if (err) {
+                            throw err;
+                        }
+                    });
+                }
+            }
+        });
+    });
+}
+
+createEsmModulePackageJson();
diff --git a/packages/template-resolver/tsconfig.cjs.json b/packages/template-resolver/tsconfig.cjs.json
new file mode 100644
index 0000000000..af330e380e
--- /dev/null
+++ b/packages/template-resolver/tsconfig.cjs.json
@@ -0,0 +1,6 @@
+{
+  "extends": "@fern-platform/configs/tsconfig/library.json",
+  "compilerOptions": { "outDir": "./dist/cjs", "rootDir": ".", "module": "commonjs", "moduleResolution": "node" },
+  "include": ["./src/**/*"],
+  "references": [{ "path": "../commons/core-utils" }]
+}
diff --git a/packages/template-resolver/tsconfig.json b/packages/template-resolver/tsconfig.esm.json
similarity index 69%
rename from packages/template-resolver/tsconfig.json
rename to packages/template-resolver/tsconfig.esm.json
index daace200d4..0e87e1ab12 100644
--- a/packages/template-resolver/tsconfig.json
+++ b/packages/template-resolver/tsconfig.esm.json
@@ -1,6 +1,6 @@
 {
   "extends": "@fern-platform/configs/tsconfig/library.json",
-  "compilerOptions": { "outDir": "./dist", "rootDir": "." },
+  "compilerOptions": { "outDir": "./dist/esm", "rootDir": "." },
   "include": ["./src/**/*"],
   "references": [{ "path": "../commons/core-utils" }]
 }
diff --git a/packages/template-resolver/tsconfig.types.json b/packages/template-resolver/tsconfig.types.json
new file mode 100644
index 0000000000..d633773aa3
--- /dev/null
+++ b/packages/template-resolver/tsconfig.types.json
@@ -0,0 +1,6 @@
+{
+  "extends": "@fern-platform/configs/tsconfig/library.json",
+  "compilerOptions": { "outDir": "./dist/types", "declaration": true, "emitDeclarationOnly": true },
+  "include": ["./src/**/*"],
+  "references": [{ "path": "../commons/core-utils" }]
+}