Generate exports script

scripts/generate-exports.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+# Usage: ./generate_exports.sh /path/to/package.json
+
+# Get the path to package.json from the first argument
+PACKAGE_JSON_PATH="$1"
+
+if [ -z "$PACKAGE_JSON_PATH" ]; then
+  echo "Error: No package.json path provided."
+  exit 1
+fi
+
+# Determine the root directory of the package.json file
+ROOT_DIR="$(dirname "$PACKAGE_JSON_PATH")"
+DIST_ESM="$ROOT_DIR/dist/esm"
+DIST_CJS="$ROOT_DIR/dist/cjs"
+
+# Check that esm and cjs directories exist
+if [ ! -d "$DIST_ESM" ] || [ ! -d "$DIST_CJS" ]; then
+  echo "Error: Missing dist/esm or dist/cjs directories."
+  exit 1
+fi
+
+# Start the exports structure as a JSON object
+EXPORTS_JSON=$(jq -n '{".": {"import": "./dist/esm/index.js", "require": "./dist/cjs/index.cjs"}}')
+
+# Iterate over subdirectories in esm and add entries to the exports JSON object
+for DIR in "$DIST_ESM"/*/; do
+  DIR_NAME=$(basename "$DIR")
+
+  # Add both "./subdir" and "./subdir/*" entries
+  EXPORTS_JSON=$(echo "$EXPORTS_JSON" | jq \
+    --arg name "./$DIR_NAME" \
+    --arg importPath "./dist/esm/$DIR_NAME/index.js" \
+    --arg requirePath "./dist/cjs/$DIR_NAME/index.cjs" \
+    '.[$name] = {"import": $importPath, "require": $requirePath}')
+
+  EXPORTS_JSON=$(echo "$EXPORTS_JSON" | jq \
+    --arg name "./$DIR_NAME/*" \
+    --arg importPath "./dist/esm/$DIR_NAME/*.js" \
+    --arg requirePath "./dist/cjs/$DIR_NAME/*.cjs" \
+    '.[$name] = {"import": $importPath, "require": $requirePath}')
+done
+
+# Add the catch-all rule at the end
+EXPORTS_JSON=$(echo "$EXPORTS_JSON" | jq \
+  '.["./*"] = {"import": "./dist/esm/*.js", "require": "./dist/cjs/*.cjs"}')
+
+# Remove existing exports field, if any, and add the new exports field
+jq "del(.exports) | .exports = $EXPORTS_JSON" "$PACKAGE_JSON_PATH" > "$PACKAGE_JSON_PATH.tmp" && mv "$PACKAGE_JSON_PATH.tmp" "$PACKAGE_JSON_PATH"
+
+echo "Exports field generated and updated in $PACKAGE_JSON_PATH."